CN110633808B - Wind farm operation and maintenance task scheduling system and method - Google Patents

Abstract

A wind farm operation maintenance task arrangement system and method are provided, the system comprising: a work window evaluation unit that determines a work window of the wind farm equipment based on a task list including operation maintenance tasks of the wind farm equipment; the performance estimation unit is used for performing performance estimation on the wind farm equipment based on the working window of the wind farm equipment and standard operation guidance data of operation maintenance tasks; the resource estimating unit is used for estimating the resources required by the running maintenance of the wind power plant equipment and removing running maintenance tasks with insufficient resources from the task list so as to obtain executable running maintenance tasks; the task priority ordering unit is used for ordering the executable operation maintenance tasks in priority based on performance estimated results of the wind farm equipment and path planning between the wind farm equipment; and the task determining unit is used for determining maintenance personnel capable of performing maintenance in the shortest time based on the prioritized task list and the shortest path planning to the wind farm equipment.

Description

Wind farm operation and maintenance task scheduling system and method

technical field

The present application relates to the field of wind farms, and more specifically, to a wind farm operation and maintenance task scheduling system and method.

Background technique

In the current field of wind farms, the operation and maintenance of wind farm equipment mainly relies on the software system to monitor the operation status of wind farm equipment, and according to the software system prompts and expert operation and maintenance experience to schedule and execute the operation and maintenance work, so as to ensure the wind farm Assets are maintained in a timely manner and run stably. More specifically, the existing wind farm operation and maintenance system mainly triggers the tasks of fault alarm and early warning inspection of wind farm equipment through the cooperation of the central monitoring system, health warning system and production management system, and the operation and maintenance management personnel respond passively to system alarms. Combining weather forecast and operation and maintenance experience to arrange daily operation and maintenance plan.

However, the existing wind farm operation and maintenance system mainly realizes the summary of maintenance requirements and the management of execution progress in the production management system, lacks data integration and feature analysis of various available related systems, and relies on expert experience for maintenance work arrangement, random The stability is large, and the optimization of the results and empirical data cannot be achieved.

More specifically, the existing wind farm operation and maintenance system cannot judge the operating conditions of the wind farm equipment, and cannot determine the working window of the wind farm equipment for a certain period of time in the future (that is, the time interval during which maintenance work can be performed); Automatic assessment of task resources; rely on the personal experience of operation and maintenance managers to arrange work plans for maintenance requirements, and the system cannot automatically schedule operation and maintenance tasks; for operations and maintenance tasks with limited working windows such as offshore, it is impossible to accurately select the most important tasks be processed; the system cannot automatically schedule temporarily dispatched operation and maintenance tasks.

Contents of the invention

According to an aspect of an exemplary embodiment of the present invention, a wind farm operation and maintenance task scheduling system is provided, including: a work window evaluation unit, which determines the work of the wind farm equipment based on the task list including the operation and maintenance tasks of the wind farm equipment Window; performance estimation unit, based on the working window of wind farm equipment and standard operation guidance data of operation and maintenance tasks to predict the performance of wind farm equipment; resource estimation unit, to estimate the resources required for wind farm equipment operation and maintenance , and remove the operation and maintenance tasks with insufficient resources from the task list to obtain the executable operation and maintenance tasks; the task prioritization unit, based on the performance estimation results of the wind farm equipment and the path planning between the wind farm equipment Performing operation and maintenance tasks for prioritization; and a task determination unit, based on the prioritized task list and the shortest path planning to the wind farm equipment, determines the maintenance personnel who can perform maintenance in the shortest time.

The working window evaluation unit may generate the working window of the wind farm equipment based on the task list including the operation and maintenance tasks of the wind farm equipment, using the location of the wind farm equipment, the meteorological data near the wind farm equipment, and the safety management requirement data of the operation and maintenance tasks .

The performance estimation unit can perform performance estimation on the energy availability and time availability of the wind farm equipment.

The resource estimating unit can use the standard operation instruction data of the operation and maintenance tasks and the material management data of the wind farm equipment to estimate the resources for the operation and maintenance of the wind farm equipment.

The task prioritization unit may generate a first prioritization of operation and maintenance tasks according to the greater impact of performance improvement and higher priority, generate a second prioritization of maintenance tasks based on path planning between wind farm equipment, and The first prioritization and the second prioritization based on predetermined weights result in a final prioritization of the maintenance tasks.

The maintenance personnel who can perform maintenance in the shortest time may be the maintenance personnel who are closest to the wind farm equipment and have the fewest tasks.

The wind farm operation and maintenance task arrangement system may also include a central monitoring unit, and the central monitoring unit includes: a meteorological data real-time monitoring unit, which collects meteorological data near the wind farm equipment; a wind farm equipment status monitoring unit, which collects wind farm equipment The operating status data; and the fault alarm unit, which provides a fault alarm when the wind farm equipment fails.

The wind farm operation and maintenance task arrangement system may also include a health warning unit, which includes: a wind farm equipment health feature extraction unit, which performs feature analysis based on the operating status data of the wind farm equipment to determine the standard of the wind farm equipment. The health status is modeled and the features that need to be detected are extracted; the large component failure warning unit triggers the large component failure warning of the wind farm equipment by detecting the extracted features; and the fault diagnosis unit generates based on the fault data of the wind farm equipment Fault diagnosis analysis tree.

The wind farm operation and maintenance task arrangement system may also include a power prediction unit, the power prediction unit includes: a weather forecast providing unit, which provides weather forecast data near the wind farm equipment based on weather data near the wind farm equipment; and a prediction unit , model the power conversion based on the operating state data of the wind farm equipment, and provide wind power prediction data based on the weather forecast data and the power conversion model near the wind farm equipment.

The wind farm operation and maintenance task scheduling system may also include a geographic information unit, the geographic information unit including: a path planning unit, based on the geographical and traffic information around the wind farm equipment and the location information of the maintenance personnel to provide information between wind farm equipment path planning and shortest path planning to wind farm equipment.

The wind farm operation and maintenance task scheduling system may also include a production management unit, the production management unit includes: a maintenance demand management unit, summarizing a task list including the operation and maintenance tasks of the wind farm equipment, wherein the task list includes the wind farm equipment Fault alarm, large component failure warning and planned maintenance; safety management requirement unit, providing safety management requirement data for operation and maintenance tasks; standard operation guidance unit, providing standard operation guidance data for operation and maintenance tasks; material management unit, providing wind farm equipment material management data; equipment ledger unit, which provides geographical and traffic information around the wind farm equipment and wind farm equipment registration information; maintenance plan management unit, which manages the priority of operation and maintenance tasks and maintenance personnel, and sends the operation and maintenance tasks to Go to the work order unit, record the process data of the execution of the operation and maintenance task, and feed back the process data to the performance estimation unit to optimize the performance estimation algorithm, wherein the task determination unit sends the operation and maintenance task to the maintenance plan management unit; And the work order unit, which matches the operation and maintenance tasks with the maintenance task requirements, maintenance task ledger, and standard work instructions, and dispatches the matched operation and maintenance tasks to the mobile terminals of the maintenance personnel who can perform maintenance in the shortest time, and Record actual process data for maintenance performed by maintenance personnel.

The wind farm operation and maintenance task arrangement system may also include a mobile terminal for maintenance personnel, and the mobile terminal includes: a mobile work order unit, which provides actual process data for maintenance personnel to perform maintenance; and a location unit, which obtains the location information of the maintenance personnel .

According to another aspect of the exemplary embodiment of the present invention, a wind farm operation and maintenance task arrangement method is provided, including: determining the working window of the wind farm equipment based on the task list including the operation and maintenance tasks of the wind farm equipment; Estimate the performance of wind farm equipment based on the working window of the farm equipment and the standard operation guidance data of operation and maintenance tasks; estimate the resources required for the operation and maintenance of wind farm equipment, and remove the operation and maintenance tasks with insufficient resources from the task list, obtaining executable operation and maintenance tasks; prioritizing the executable operation and maintenance tasks based on performance estimation of wind farm equipment and path planning between wind farm equipment; and The shortest path planning of equipment determines the maintenance personnel who can perform maintenance in the shortest time.

The step of determining the working window of the wind farm equipment may include: based on the task list including the operation and maintenance tasks of the wind farm equipment, using the location of the wind farm equipment, meteorological data near the wind farm equipment, and safety management requirement data for the operation and maintenance tasks Generates operating windows for wind farm equipment.

The step of estimating the performance of the wind farm equipment may include: estimating the performance of the energy availability and time availability of the wind farm equipment.

The step of estimating the resources required for the operation and maintenance of the wind farm equipment may include: estimating the resources required for the operation and maintenance of the wind farm equipment using the standard operation guidance data of the operation and maintenance tasks and the material management data of the wind farm equipment .

The step of prioritizing the executable operation and maintenance tasks may include: generating a first priority order for the operation and maintenance tasks according to the greater the impact of performance improvement and the higher the priority, generating maintenance tasks based on the path planning between wind farm equipment A second prioritization of tasks, and generating a final prioritization of maintenance tasks based on the first prioritization and the second prioritization of predetermined weights.

The maintenance personnel who can perform maintenance in the shortest time may be the maintenance personnel who are closest to the wind farm equipment and have the fewest tasks.

According to another aspect of the exemplary embodiments of the present invention, a computer readable storage medium is provided. The computer-readable storage medium stores program instructions that, when executed by a processor, cause the processor to execute the above-mentioned wind farm operation and maintenance task scheduling method.

According to another aspect of the exemplary embodiments of the present invention, a computing device is provided. The computing device may include: a processor; and a memory storing program instructions that, when executed by the processor, cause the processor to execute the above-mentioned wind farm operation and maintenance task scheduling method.

According to the exemplary embodiment of the present invention, it is possible to provide a wind farm operation and maintenance task arrangement system and method based on multi-factor fusion, which can effectively integrate various related data and services in the field of operation and maintenance, and based on the comprehensive analysis of operation and maintenance tasks Comprehensive analysis to realize automatic prioritization of operation and maintenance tasks. In addition, the operation and maintenance tasks realize the closed-loop feedback of the execution process data, the process experience can be accumulated, and the more accurate the system is, the more it is used. More specifically, through the integrated analysis of meteorological environment forecast data and the feature data extraction required by static safety management, it is possible to analyze and determine the work window of the maintenance object in the future; combined with the work window, through performance prediction and resource evaluation, thus The system can automatically schedule operation and maintenance tasks; collect the location information of maintenance personnel through mobile terminals, so that the automatic dispatch of operation and maintenance tasks can be carried out; for the selection of operation and maintenance tasks in limited working windows such as at sea, it can be accurately sorted by task priority Select the most important tasks to deal with.

Description of drawings

The above-mentioned and other objects and features of the present invention will become clearer through the following detailed description in conjunction with the accompanying drawings, wherein:

Fig. 1 is a block diagram showing a wind farm operation and maintenance task scheduling system according to an exemplary embodiment of the present invention;

2 is a block diagram illustrating a central monitoring unit according to an exemplary embodiment of the present invention;

3 is a block diagram illustrating a health warning unit according to an exemplary embodiment of the present invention;

4 is a block diagram illustrating a power prediction unit according to an exemplary embodiment of the present invention;

5 is a block diagram illustrating a geographic information unit according to an exemplary embodiment of the present invention;

6 is a block diagram illustrating a production management unit according to an exemplary embodiment of the present invention;

7 is a block diagram illustrating a mobile terminal according to an exemplary embodiment of the present invention;

Fig. 8 is a block diagram showing the system workflow of the wind farm operation and maintenance task scheduling system according to an exemplary embodiment of the present invention;

Fig. 9 is a topological structure diagram showing a wind farm operation and maintenance task arrangement system according to an exemplary embodiment of the present invention;

Fig. 10 is a flowchart illustrating a method for arranging operation and maintenance tasks of a wind farm according to an exemplary embodiment of the present invention.

Detailed ways

Exemplary embodiments of the present invention will now be described in detail, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like parts throughout.

Fig. 1 is a block diagram illustrating a wind farm operation and maintenance task scheduling system according to an exemplary embodiment of the present invention.

As shown in FIG. 1 , a system 100 for arranging tasks for wind farm operation and maintenance according to an exemplary embodiment of the present invention may include a work window evaluation unit 110 , a performance estimation unit 120 , a resource estimation unit 130 , a task prioritization unit 140 and Task determining unit 150 .

The working window evaluation unit 110 can determine a working window of the wind farm installation based on a task list including operation and maintenance tasks of the wind farm installation, wherein the wind farm installation can be a wind power generating set. More specifically, the work window evaluation unit 110 may generate wind farm equipment using the location of the wind farm equipment, meteorological data near the wind farm equipment, and safety management requirement data for the operation and maintenance tasks based on the task list including the operation and maintenance tasks of the wind farm equipment. working window. Here, assuming that the location of the wind farm equipment is w, the task content is d, and the maintenance task is a _i (w _i , d _j ), the maintenance demand matrix A[a ₁ , a ₂ ,..., a _n ]( That is, the operation and maintenance task matrix), wherein, i and j are positive integers less than or equal to n, and n represents the total number of operation and maintenance tasks and is a positive integer. The work window evaluation unit 110 can match the work window matrix T corresponding to the location of the wind farm equipment with respect to the scattered maintenance demand matrix, and finally obtain the maintenance demand matrix A×T matching the work window.

即，K(P_i，t_i)，其中，i为小于等于n的正整数，P_i为PBA指标因子，t_i为TBA指标因子。随后，绩效预估单元120可获得绩效预估后的维护需求矩阵A×T×K。The performance estimation unit 120 may perform performance estimation on the wind farm equipment based on the working window of the wind farm equipment and standard work instruction data of operation and maintenance tasks. More specifically, the performance estimation unit 120 can use the wind power prediction data to perform performance prediction on the energy availability (PBA) and time availability (TBA) of the wind farm equipment, wherein, PBA=actual power generation/(actual Power generation + lost power generation), TBA = actual power generation time / (total power generation time - non-assessment time). The performance estimation unit 120 can obtain the maintenance man-hour matrix t _i from the standard maintenance man-hours of the standard work instruction data matched with the maintenance demand matrix, and calculate the PBA and TBA to obtain the index assignment matrix

That is, K(P _i , t _i ), wherein, i is a positive integer less than or equal to n, P _i is the PBA index factor, and t _i is the TBA index factor. Subsequently, the performance estimation unit 120 may obtain a maintenance demand matrix A×T×K after performance estimation.

The resource estimation unit 130 can estimate the resources required for the operation and maintenance of wind farm equipment, and remove the operation and maintenance tasks with insufficient resources from the task list, so as to obtain executable operation and maintenance tasks. More specifically, the resource estimating unit 130 can use the standard work guidance data of the operation and maintenance tasks and the material management data (such as inventory data) of the wind farm equipment to estimate the resources for the operation and maintenance of the wind farm equipment, from the task list Delete the operation and maintenance tasks with insufficient material inventory, and purchase materials. Here, assuming that the resource matrix is R, the resource estimation unit 130 can use pre-sorting to prioritize the maintenance requirements that have a greater impact on performance estimation, and obtain the maintenance requirements that can perform the operation and maintenance tasks after removing the operation and maintenance tasks with insufficient resources matrix

其中，

表示对/>

进行优先级排序，σ1是第一优先级排序矩阵S1的排序变换特征矩阵，σ2是第二优先级排序矩阵S2的排序变换特征矩阵。The task prioritization unit 140 may prioritize executable operation and maintenance tasks based on the performance estimation results of the wind farm equipment and the route planning between the wind farm equipment. More specifically, the task prioritization unit 140 can generate the first priority of the operation and maintenance tasks according to the greater the impact of performance improvement, the higher the priority, and generate the second priority of the maintenance tasks based on the path planning between wind farm equipment sorting, and generate a final prioritization of the maintenance tasks based on the first prioritization and the second prioritization of predetermined weights. That is to say, the task prioritization unit 140 can sort the operation and maintenance tasks based on the performance estimation to obtain the first priority sorting matrix S1, and based on the path planning, according to the principle of one-time execution of the maintenance tasks of the same aircraft position, obtain the first priority matrix S1. Two prioritization matrix S2. Through the weight coefficients of S1 and S2, the final maintenance task priority ranking is obtained through correction

in,

express yes

Perform priority sorting, σ1 is the sorting transformation feature matrix of the first priority sorting matrix S1, and σ2 is the sorting transformation feature matrix of the second priority sorting matrix S2.

The task determination unit 150 may determine maintenance personnel who can perform maintenance in the shortest time based on the prioritized task list and the shortest path planning to the wind farm equipment. Here, the maintenance personnel who can perform maintenance in the shortest time may be the maintenance personnel who are closest to the wind farm equipment and have the fewest tasks.

In addition, the wind farm operation and maintenance task scheduling system 100 according to the exemplary embodiment of the present invention may also include a central monitoring unit 200, a health warning unit 300, a power prediction unit 400, a geographic information unit 500, a production management unit 600, and a mobile terminal 700 , which will be described below with reference to FIGS. 2 to 7 . It should be understood that the central monitoring unit 200, the health warning unit 300, the power prediction unit 400, the geographical information unit 500, the production management unit 600 and the mobile terminal 700 are only examples and not limiting. The task scheduling system 100 may not include these devices, and the central monitoring unit 200, health warning unit 300, power prediction unit 400, geographic information unit 500, production management unit 600 and Mobile terminal 700.

FIG. 2 is a block diagram illustrating a central monitoring unit according to an exemplary embodiment of the present invention.

As shown in FIG. 2 , the central monitoring unit 200 according to an exemplary embodiment of the present invention may include a meteorological data real-time monitoring unit 210 , a wind farm equipment status monitoring unit 220 and a fault alarm unit 230 . The central monitoring system 200 is responsible for collecting and standardizing the real-time production data of wind farm equipment, and for real-time monitoring of the operating status of these equipment.

The meteorological data real-time monitoring unit 210 can collect meteorological data near the wind farm equipment. More specifically, the meteorological data real-time monitoring unit 210 can collect the real-time data of the temperature, wind speed and measuring instruments of the anemometer tower of each wind farm equipment weather station, and standardize the data. In addition, the meteorological data real-time monitoring unit 210 can provide the collected meteorological data near the wind farm equipment to the power prediction unit 400 described below.

The wind farm equipment status monitoring unit 220 can collect the operation status data of the wind farm equipment. More specifically, the wind farm equipment status monitoring unit 220 can collect real-time operating status data of the standard IEC (International Electrotechnical Commission, International Electrotechnical Commission) quantity of the wind farm equipment based on the standard point table, by analyzing the operating status data of different types of wind farm equipment Perform standardized processing to monitor the real-time operating status of wind farm equipment. In addition, the wind farm equipment status monitoring unit 220 may provide the collected operating status data of the wind farm equipment to the health warning unit 300 and the power prediction unit 400 described below.

The failure alarm unit 230 can provide a failure alarm when the wind farm equipment fails. More specifically, when a detected equipment failure is triggered by the main control system of the wind farm equipment, the failure alarm unit 230 may provide a failure alarm. In addition, the failure alarm unit 230 may provide a failure alarm to the production management unit 600 which will be described below.

FIG. 3 is a block diagram illustrating a health warning unit according to an exemplary embodiment of the present invention.

As shown in FIG. 3 , a health warning unit 300 according to an exemplary embodiment of the present invention may include a wind farm equipment health feature extraction unit 310 , a large component failure warning unit 320 and a fault diagnosis unit 330 .

The wind farm equipment health feature extraction unit 310 can perform feature analysis based on the operating state data of the wind farm equipment to model the standard health status of the wind farm equipment and extract features that need to be detected.

The large component failure warning unit 320 can trigger the large component failure warning of the wind farm equipment by detecting the extracted features. In addition, the large component failure early warning unit 320 may provide the large component failure early warning to the production management unit 600 which will be described below.

The fault diagnosis unit 330 can generate a fault diagnosis analysis tree based on the fault data of the wind farm equipment. In addition, the fault diagnosis unit 330 may provide a fault diagnosis analysis tree to the production management unit 600 which will be described below.

In addition, the health warning unit 300 can also obtain the actual process data of maintenance from the work order unit 670 described below, so that the wind farm equipment health feature extraction unit 310 and the fault diagnosis unit 330 can analyze the standard health model and faults of the wind farm equipment respectively. The diagnostic analysis tree is corrected.

FIG. 4 is a block diagram illustrating a power prediction unit according to an exemplary embodiment of the present invention.

As shown in FIG. 4 , the power prediction unit 400 according to an exemplary embodiment of the present invention may include a weather forecast providing unit 410 and a prediction unit 420 .

The weather forecast providing unit 410 may provide weather forecast data near the wind farm equipment based on the weather data near the wind farm equipment. More specifically, the weather forecast providing unit 410 can downscale the CFD (Computational FluidDynamics, Computational Fluid Dynamics) model to provide weather forecast data such as weather and temperature near the wind farm equipment, and can support different periods of hours, days, months, etc. Weather forecast. In addition, the weather forecast providing unit 410 can provide the weather forecast data near the wind farm equipment to the wind farm operation and maintenance task scheduling system 100 .

The prediction unit 420 can model the power conversion based on the operating state data of the wind farm equipment, and provide wind power prediction data based on the weather forecast data and the power conversion model near the wind farm equipment. In addition, the prediction unit 420 can provide the wind power prediction data to the wind farm operation and maintenance task scheduling system 100 .

FIG. 5 is a block diagram illustrating a geographic information unit according to an exemplary embodiment of the present invention.

As shown in FIG. 5 , a geographic information unit 500 according to an exemplary embodiment of the present invention may include a path planning unit 510 . The geographic information unit 500 can obtain geographical and traffic information around the wind farm equipment from the production management unit 600 described below, and obtain location information of maintenance personnel from the mobile terminal 700 described below.

The route planning unit 510 can provide route planning between wind farm devices and information about the location of the wind farm devices based on geographic and traffic information around the wind farm devices (such as terrain around the wind farm devices, landform feature information, and traffic roads, etc.) and location information of maintenance personnel. Shortest path planning for wind farm equipment. In addition, the route planning unit 510 may provide the route planning between wind farm equipment and the shortest route planning to the wind farm equipment to the wind farm operation and maintenance task arrangement system 100 .

FIG. 6 is a block diagram illustrating a production management unit according to an exemplary embodiment of the present invention.

As shown in FIG. 6, the production management unit 600 according to an exemplary embodiment of the present invention may include a maintenance requirement management unit 610, a safety management requirement unit 620, a standard work instruction unit 630, a material management unit 640, an equipment ledger unit 650, a maintenance plan management unit 660 and work order unit 670 .

The maintenance requirement management unit 610 may summarize a task list including operation and maintenance tasks of wind farm equipment, wherein the task list includes wind farm equipment failure alarms, large component failure warnings, and planned maintenance. In addition, the maintenance demand management unit 610 can also perform unified tracking and management of the task list, and can provide the task list to the wind farm operation and maintenance task scheduling system 100 .

The safety management requirement unit 620 can provide the safety management requirement data of the operation and maintenance task, wherein, the safety management requirement data can be, for example, the operating condition of the wind turbine head (hub), the operating condition of climbing the tower (in the engine room), anti-fall protection tools, Box substation opening and closing etc. In addition, the safety management requirement unit 620 can provide the safety management requirement data to the wind farm operation and maintenance task scheduling system 100 .

The standard work guidance unit 630 can provide standard work guidance data for operation and maintenance tasks, wherein the standard work guidance data can be, for example, standard operation instructions for maintenance work for equipment failure/inspection, including standard processes, material requirements, tool requirements, and personnel qualifications request etc. In addition, the standard work guidance unit 630 can provide standard work guidance data to the wind farm operation and maintenance task scheduling system 100 .

The material management unit 640 can provide material management data of wind farm equipment, wherein the material management data can be, for example, spare parts, consumables, tool data, including inventory data, storage data, material demand and allocation management data, tool maintenance data wait. In addition, the material management unit 640 can provide material management data to the wind farm operation and maintenance task scheduling system 100 .

The equipment ledger unit 650 may provide geographical and traffic information around wind farm equipment and wind farm equipment registration information, ie, equipment ledger information. The equipment accounting unit 650 may provide equipment accounting information to the geographic information unit 500 .

The maintenance plan management unit 660 can manage the priority of the operation and maintenance tasks and maintenance personnel, send the operation and maintenance tasks to the work order unit 670, record the process data of the operation and maintenance tasks, and feed back the process data to the performance forecast The unit 130 optimizes the performance prediction algorithm, wherein the operation and maintenance task can be sent by the task determination unit 150 to the maintenance plan management unit 660 .

The work order unit 670 can match the operation and maintenance tasks with maintenance task requirements, maintenance task ledgers, and standard work instructions, and dispatch the matched operation and maintenance tasks to the mobile terminals of the maintenance personnel who can perform maintenance in the shortest time, and Record actual process data for maintenance performed by maintenance personnel. Here, the work order unit 670 may obtain actual process data of the maintenance performed by the maintenance personnel from the mobile terminal 700 which will be described below.

FIG. 7 is a block diagram illustrating a mobile terminal according to an exemplary embodiment of the present invention.

As shown in FIG. 7 , a mobile terminal 700 according to an exemplary embodiment of the present invention includes a mobile ticket unit 710 and a location unit 720 . As a terminal for maintenance plan management, the mobile terminal 700 is responsible for executing and executing the operation and maintenance tasks pushed by the production management system.

The mobile work order unit 710 may provide actual process data (ie, work order execution data) for maintenance performed by maintenance personnel. Here, the mobile work order unit 710 can provide the actual process data maintained by maintenance personnel to the production management unit 600, and can support offline data synchronization in an environment such as WiFi.

The location unit 720 can acquire location information of maintenance personnel. Here, the location unit 720 may provide the location information of the maintenance personnel to the geographic information unit 500 and the wind farm operation and maintenance task arrangement system 100 .

Fig. 8 is a block diagram showing the system workflow of the wind farm operation and maintenance task scheduling system according to an exemplary embodiment of the present invention.

As shown in FIG. 8 , there are three workflows that are summarized and entered into the production management unit 600 respectively.

In the first way, the central monitoring unit 200 triggers a wind farm equipment fault alarm, and the fault diagnosis unit 330 generates a fault diagnosis analysis tree based on the fault data of the wind farm equipment, and sends them to the maintenance demand management unit 610 .

In the second way, the central monitoring unit 200 sends the operating status data of the wind farm equipment to the health warning unit 300 , and the health warning unit 300 generates a large component failure warning through feature analysis and sends it to the maintenance demand management unit 610 .

The third way is to directly create planned maintenance such as technical modification, overhaul, regular inspection, etc. by the maintenance demand management unit 610, or a separate unit for creating planned maintenance can be set in the production management unit 600 and the unit can The created planned maintenance is transmitted to the maintenance requirement management unit 610 .

In addition, there are three data return channels for closed-loop feedback on the actual data of task execution, thereby optimizing the wind farm operation and maintenance task scheduling system.

In the first way, the mobile terminal 700 synchronizes and feeds back the actual process data maintained by maintenance personnel to the production management unit 600 .

In the second way, the work order unit 670 feeds back the actual process data of the maintenance personnel to the health warning unit 300, and accumulates the fault diagnosis analysis tree.

In the third way, the maintenance plan management unit 660 feeds back the actual process data of maintenance performed by maintenance personnel to the wind farm operation and maintenance task arrangement system 100 . Fig. 9 is a topological structure diagram showing a wind farm operation and maintenance task arrangement system according to an exemplary embodiment of the present invention.

The wind farm operation and maintenance task arrangement system can be deployed in safety areas I, II, and III of the power secondary system (hereinafter referred to as areas I, II, and III).

1) The central monitoring unit 200 can be deployed in Zone I to collect real-time production data of wind farm equipment through a front-end gateway (not shown); and transmit data to Zone III through forward isolation through network switches and firewalls.

2) The power prediction unit 400 can be deployed in Zone II for data reporting with the power grid; and data transmission with Zone III through a network switch.

3) A unified data platform can be deployed in Zone III. Based on the unified data platform, power prediction data service, mobile terminal service, health warning unit 300, geographic information unit 500, production management unit 600, and wind farm operation and maintenance task arrangement system 100 can be deployed.

4) The public network environment can deploy weather forecast services and mobile terminal service releases.

5) Data interaction between Zone I and Zone II can be encrypted vertically.

6) Data transfer from Zone II to Zone III can be forward isolated.

7) Data transfer from Zone III to Zone II can be reverse isolated.

8) Zone III can be connected to the public network environment through a firewall. Fig. 10 is a flowchart illustrating a method for arranging operation and maintenance tasks of a wind farm according to an exemplary embodiment of the present invention.

As shown in Fig. 10, in step S1010, the working window of the wind farm equipment is determined based on the task list including the operation and maintenance tasks of the wind farm equipment.

In step S1020, performance estimation of the wind farm equipment is performed based on the working window of the wind farm equipment and the standard work guidance data of the operation and maintenance tasks.

In step S1030, the resources required for the operation and maintenance of the wind farm equipment are estimated, and the operation and maintenance tasks with insufficient resources are removed from the task list, so as to obtain executable operation and maintenance tasks.

In step S1040, the executable operation and maintenance tasks are prioritized based on the performance estimation results of the wind farm equipment and the route planning between the wind farm equipment.

In step S1050, the maintenance personnel who can perform maintenance in the shortest time are determined based on the prioritized task list and the shortest path planning to the wind farm equipment.

According to the exemplary embodiment of the present invention, it is possible to provide a wind farm operation and maintenance task arrangement system and method based on multi-factor fusion, which can effectively integrate various related data and services in the field of operation and maintenance, and based on the comprehensive analysis of operation and maintenance tasks Comprehensive analysis to realize automatic prioritization of operation and maintenance tasks. In addition, the operation and maintenance tasks realize the closed-loop feedback of the execution process data, the process experience can be accumulated, and the more accurate the system is, the more it is used. More specifically, through the integrated analysis of meteorological environment forecast data and the feature data extraction required by static safety management, it is possible to analyze and determine the work window of the maintenance object in the future; combined with the work window, through performance prediction and resource evaluation, thus The system can automatically schedule operation and maintenance tasks; collect the location information of maintenance personnel through mobile terminals, so that the automatic dispatch of operation and maintenance tasks can be carried out; for the selection of operation and maintenance tasks in limited working windows such as at sea, it can be accurately sorted by task priority Select the most important tasks to deal with.

According to example embodiments of the inventive concepts, various steps of the method described in FIG. 10 may be written as a program or software. Programs or software can be written using any programming language based on the block diagrams and flowcharts shown in the drawings and the corresponding descriptions in the specification. In one example, a program or software may include machine code executed directly by one or more processors or computers, such as produced by a compiler. In another example, a program or software includes higher-level code that is executed by one or more processors or computers using an interpreter. The program or software can be recorded, stored or fixed in one or more non-transitory computer readable storage media. In one example, the program or software or one or more non-transitory computer-readable storage media may be distributed over a computer system.

According to example embodiments of the inventive concepts, various steps of the method described in FIG. 10 may be implemented on a computing device including a processor and a memory. The memory stores program instructions for controlling the processor to realize the operations of the respective units as described above.

Although specific example embodiments of the present invention have been described above in detail with reference to FIGS. 1 to 10 , the present invention can be modified in various forms without departing from the spirit and scope of the inventive concept. Implementations may be implemented if the described techniques are performed in a different order, and/or if components in the described system, architecture, or apparatus are combined in a different manner, and/or are replaced or supplemented by other components or their equivalents suitable result. Therefore, the scope of the present disclosure is defined not by the specific embodiments but by the claims and their equivalents, and all changes within the scope of the claims and their equivalents will be construed as being included in the present disclosure. middle.

While the invention has been shown and described with reference to certain exemplary embodiments, it will be understood by those skilled in the art that forms and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the claims and their equivalents. Various changes in details.

Claims (16)

1. A wind farm operation and maintenance task scheduling system, characterized in that it comprises: a working window evaluation unit, which determines the working window of the wind farm equipment based on the task list including the operation and maintenance tasks of the wind farm equipment; The performance estimation unit is used to estimate the performance of wind farm equipment based on the working window of wind farm equipment and the standard operation guidance data of operation and maintenance tasks; The resource estimation unit estimates the resources required for the operation and maintenance of wind farm equipment, and removes the operation and maintenance tasks with insufficient resources from the task list to obtain executable operation and maintenance tasks; A task prioritization unit, which prioritizes the executable operation and maintenance tasks based on the performance estimation results of the wind farm equipment and the path planning between the wind farm equipment; and The task determination unit determines the maintenance personnel who can perform maintenance in the shortest time based on the prioritized task list and the shortest path planning to the wind farm equipment, Wherein, the resource estimation unit estimates the resources required for the operation and maintenance of the wind farm equipment by using the standard operation guidance data of the operation and maintenance tasks and the material management data of the wind farm equipment, and the resources are used for the wind farm equipment Inventory of materials for operation and maintenance; Wherein, the task prioritization unit generates the first prioritization of the operation and maintenance tasks according to the greater the impact of performance improvement, the higher the priority, and based on the path planning between the wind farm equipment, the maintenance tasks of the same machine position are performed at one time. The principle of execution, generating a second prioritization of maintenance tasks, and generating a final prioritization of maintenance tasks based on the first prioritization and the second prioritization of predetermined weights; The performance estimation unit obtains the maintenance man-hour matrix from the standard maintenance man-hours of the standard work instruction data matched with the maintenance demand matrix, and calculates the energy availability and time availability of the wind farm equipment to obtain the index assignment matrix. 2. The wind farm operation and maintenance task scheduling system according to claim 1, wherein the work window evaluation unit uses the location of the wind farm equipment, wind farm The safety management of meteorological data and O&M tasks in the vicinity of the equipment requires the data to generate working windows of the wind farm equipment. 3. The wind farm operation and maintenance task scheduling system according to claim 1, wherein the performance estimation unit performs performance estimation on the energy availability and time availability of wind farm equipment. 4. The wind farm operation and maintenance task scheduling system according to claim 1, wherein the maintenance personnel who can perform maintenance in the shortest time are the maintenance personnel who are closest to the wind farm equipment and have the fewest tasks. 5. The wind farm operation and maintenance task scheduling system according to claim 1, further comprising a central monitoring unit, the central monitoring unit comprising: The meteorological data real-time monitoring unit collects the meteorological data near the wind farm equipment; The wind farm equipment status monitoring unit collects the operation status data of the wind farm equipment; and The fault alarm unit provides a fault alarm when the wind farm equipment fails. 6. The wind farm operation and maintenance task scheduling system according to claim 5, further comprising a health warning unit, the health warning unit comprising: The wind farm equipment health feature extraction unit performs feature analysis based on the operating status data of the wind farm equipment to model the standard health status of the wind farm equipment and extract features that need to be detected; The large component failure warning unit triggers the large component failure warning of the wind farm equipment by detecting the extracted features; and The fault diagnosis unit generates a fault diagnosis analysis tree based on the fault data of the wind farm equipment. 7. The wind farm operation and maintenance task scheduling system according to claim 6, further comprising a power prediction unit, the power prediction unit comprising: The weather forecast providing unit provides weather forecast data near the wind farm equipment based on the weather data near the wind farm equipment; and The prediction unit models the power conversion based on the operating status data of the wind farm equipment, and provides wind power prediction data based on the weather forecast data and the power conversion model near the wind farm equipment. 8. The wind farm operation and maintenance task scheduling system according to claim 7, further comprising a geographical information unit, the geographical information unit comprising: The route planning unit provides route planning between wind farm devices and shortest route planning to wind farm devices based on geographic and traffic information around the wind farm devices and location information of maintenance personnel. 9. The wind farm operation and maintenance task scheduling system according to claim 8, further comprising a production management unit, the production management unit comprising: The maintenance demand management unit summarizes the task list including the operation and maintenance tasks of wind farm equipment, wherein the task list includes wind farm equipment failure alarm, large component failure warning and planned maintenance; The safety management requirement unit provides safety management requirement data for operation and maintenance tasks; Standard work guidance unit, providing standard work guidance data for operation and maintenance tasks; The material management unit provides material management data of wind farm equipment; The equipment account unit provides geographical and traffic information around the wind farm equipment and wind farm equipment registration information; The maintenance plan management unit manages the priority of the operation and maintenance tasks and maintenance personnel, sends the operation and maintenance tasks to the work order unit, records the process data of the execution of the operation and maintenance tasks, and feeds the process data back to the performance estimation unit for performing performance estimation algorithm optimization, wherein the task determination unit sends the operation and maintenance tasks to the maintenance plan management unit; and The work order unit matches the operation and maintenance tasks with maintenance task requirements, maintenance task ledgers, and standard work instructions, and dispatches the matched operation and maintenance tasks to the mobile terminals of maintenance personnel who can perform maintenance in the shortest time, and records Actual process data for maintenance performed by maintenance personnel. 10. The wind farm operation and maintenance task scheduling system according to claim 9, further comprising a mobile terminal for maintenance personnel, the mobile terminal comprising: Mobile work order units, providing actual process data for maintenance performed by maintenance personnel; and The location unit is used to obtain location information of maintenance personnel. 11. A method for arranging operation and maintenance tasks of a wind farm, characterized in that it comprises: Determining a working window of the wind farm equipment based on a task list including operation and maintenance tasks of the wind farm equipment; Based on the working window of the wind farm equipment and the standard operation guidance data of the operation and maintenance tasks, the performance prediction of the wind farm equipment is performed; Estimate the resources required for the operation and maintenance of wind farm equipment, and remove the operation and maintenance tasks with insufficient resources from the task list to obtain executable operation and maintenance tasks; Prioritizing the executable O&M tasks based on the performance estimation results of the wind farm equipment and the path planning between the wind farm equipment; and Based on the prioritized task list and the shortest path planning to the wind farm equipment, the maintenance personnel who can perform maintenance in the shortest time are determined, Wherein, the steps of estimating the resources required for the operation and maintenance of the wind farm equipment, and removing the operation and maintenance tasks with insufficient resources from the task list include: Estimate the resources required for the operation and maintenance of the wind farm equipment by using the standard operation guidance data of the operation and maintenance tasks and the material management data of the wind farm equipment, and the resources are the material inventory used for the operation and maintenance of the wind farm equipment; Wherein, the step of prioritizing the executable operation and maintenance tasks includes: The first priority ranking of operation and maintenance tasks is generated according to the greater the impact of performance improvement and the higher the priority. Based on the path planning between wind farm equipment and the principle of one-time execution of maintenance tasks on the same machine position, the first priority of maintenance tasks is generated. Two prioritization, and generating a final prioritization of maintenance tasks based on the first prioritization and the second prioritization of predetermined weights; The performance estimation of wind farm equipment based on the working window of wind farm equipment and the standard work guidance data of operation and maintenance tasks includes: obtaining the maintenance man-hour matrix from the standard maintenance man-hours of the standard work guidance data matching the maintenance demand matrix, and calculating the wind farm The energy availability and time availability of the equipment are calculated to obtain the index assignment matrix. 12. The method for arranging wind farm operation and maintenance tasks according to claim 11, wherein the step of determining the working window of the wind farm equipment comprises: Based on the task list including the operation and maintenance tasks of the wind farm equipment, the working window of the wind farm equipment is generated using the location of the wind farm equipment, meteorological data in the vicinity of the wind farm equipment and safety management requirements data of the operation and maintenance tasks. 13. The method for arranging wind farm operation and maintenance tasks according to claim 11, wherein the step of performing performance estimation on wind farm equipment comprises: Performance prediction of energy availability and time availability of wind farm equipment. 14. The method for arranging tasks for wind farm operation and maintenance according to claim 11, wherein the maintenance personnel who can perform maintenance in the shortest time are the maintenance personnel who are closest to the wind farm equipment and have the fewest tasks. 15. A computer-readable storage medium, characterized in that, when the computer-readable storage medium is executed by a processor, the processor executes the wind farm operation and maintenance described in any one of claims 11 to 14. Program instructions for task scheduling methods. 16. A computing device, comprising: processor; The memory stores program instructions that, when executed by the processor, cause the processor to execute the wind farm operation and maintenance task scheduling method according to any one of claims 11 to 14.

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