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CN112863250A - Multi-platform avionic control system and method - Google Patents

Multi-platform avionic control system and method Download PDF

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CN112863250A
CN112863250A CN202010810480.3A CN202010810480A CN112863250A CN 112863250 A CN112863250 A CN 112863250A CN 202010810480 A CN202010810480 A CN 202010810480A CN 112863250 A CN112863250 A CN 112863250A
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flight
organization
resource
processing module
master node
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CN112863250B (en
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王淼
肖刚
罗悦
董晓旭
王国庆
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Shanghai Jiao Tong University
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    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G5/00Traffic control systems for aircraft
    • G08G5/50Navigation or guidance aids
    • G08G5/56Navigation or guidance aids for two or more aircraft
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G5/00Traffic control systems for aircraft
    • G08G5/30Flight plan management
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

一种多平台航空电子控制系统及方法,包括:飞行环境处理模块、飞行模式处理模块、主节点处理模块和若干个从节点处理模块,本发明针对不同的飞行场景,依据飞行任务组织,构建面向不同飞行模式的多平台航电系统组织架构,完成面向不同飞行单位的系统资源综合、面向不同飞行单位能力的系统功能综合和面向不同飞行模式的飞行任务综合,最终实现飞行单位设备配置的简化,任务、功能、资源载荷和成本的降低并提高系统处理效率,提升处理能力和有效性。

Figure 202010810480

A multi-platform avionics control system and method, comprising: a flight environment processing module, a flight mode processing module, a master node processing module and a plurality of slave node processing modules, the present invention is aimed at different flight scenarios, organized according to flight tasks, and constructs oriented The organizational structure of the multi-platform avionics system for different flight modes completes the system resource integration for different flight units, the system function integration for different flight unit capabilities, and the flight task integration for different flight modes, and finally realizes the simplification of flight unit equipment configuration. The reduction of tasks, functions, resource loads and costs and the improvement of system processing efficiency, increase processing power and effectiveness.

Figure 202010810480

Description

Multi-platform avionic control system and method
Technical Field
The invention relates to a technology in the field of flight control, in particular to a multi-platform avionic control system and a multi-platform avionic control method.
Background
With the increase of hardware devices and increasingly complex functions of airplanes, under the existing avionic system, each airplane needs to be equipped with own resources and interfaces to establish independent operation and input/output processing, so that the system operation becomes more complex, a large amount of unnecessary repeated devices exist in the airplane, the combat cost is increased linearly, and huge pressure is generated on the organization of the whole system.
The airplane functions and hardware resources are increased rapidly, and the airplane functions and the resources are bound, so that the reliability of the system is directly influenced. The independence of the functions of the single aircraft platform makes it impossible for an aircraft to call other equipment and functional modules to replace a faulty piece of equipment once the equipment and functional modules of the aircraft have a fault, which greatly reduces the reliability of the system.
Under the existing combined system architecture, because functions and resource equipment in the airplane can only be scheduled and used by the airplane, other airplanes cannot be scheduled, the same target information collection, comprehensive treatment and fusion processes are repeatedly carried out in different airplane platforms for many times, and the waste of resources and battle time is caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a multi-platform avionic system and a multi-platform avionic system organization method, aiming at different flight scenes, and according to flight task organizations, a multi-platform avionic system organization architecture facing different flight modes is constructed, system resource synthesis facing different flight units, system function synthesis facing different flight unit capabilities and flight task synthesis facing different flight modes are completed, and finally, the simplification of flight unit equipment configuration, the reduction of tasks, functions, resource loads and cost are realized, the system processing efficiency is improved, and the processing capability and effectiveness are improved.
The invention is realized by the following technical scheme:
the invention relates to a multi-platform avionic control system, comprising: flight environment processing module, flight mode processing module, main node processing module and a plurality of follow node processing module, wherein: the flight environment processing module is connected with the flight mode processing module and transmits different flight scene information, the flight mode processing module completes flight task synthesis facing different flight scenes, is connected with each main node processing module and transmits top layer flight task information, and each slave node processing module is connected with the corresponding main node comprehensive processing module and transmits task, function and resource organization information of the slave nodes.
The main node processing module comprises: the system comprises a task organization comprehensive unit, a function organization comprehensive unit and a resource organization comprehensive unit, wherein the task organization comprehensive unit, the function organization comprehensive unit and the resource organization comprehensive unit are used for respectively completing the integration of the flight subtasks, the flight function synthesis and the flight resource synthesis of subordinate slave nodes.
The slave node processing module comprises: the system comprises a flight unit task organization unit, a flight unit function organization unit and a flight unit resource organization unit, and completes the task, function and resource organization of each slave node.
The invention relates to the control method of the above-mentioned system, insert each slave node into correspondent host node and form the subsystem through the data network among the platforms; the task organization and synthesis, the function organization and synthesis, the resource organization and synthesis of the subsystem are completed in the main node, the general process processing of the subsystem is completed, and then the special process processing is completed by each of the sub nodes; the master node performs unified management on each slave node, each master node is accessed into the multi-platform avionic control system through a master node external network, and the ground or air command center performs command control on each master node, so that the control of the whole system is finally completed.
The main node is as follows: and a flight task comprehensive management module, a function information fusion module and a physical resource calculation module reside in the system, and the flight units of subordinate slave nodes are uniformly managed.
The slave node is as follows: a lightweight flying unit equipped with only dedicated processing modules.
The unified management comprises the following steps: centralized management and distributed management, wherein: the centralized management means that all slave nodes send information to the master node, and the master node performs centralized fusion processing; distributed management means that each node can acquire information of other nodes in real time. Aiming at different function definitions, a corresponding appropriate management mode is adopted, for example, for a reconnaissance platform, centralized management can be adopted, and all slave nodes transmit detected information to a master node for centralized fusion processing; distributed management can be adopted for the striking platform, and each slave node can acquire the information of other slave nodes in real time, so that a more appropriate combat aircraft for striking can be autonomously decided.
Technical effects
The invention integrally solves the control problem of the multi-platform avionic system under the systematic combat background.
Compared with the prior art, the invention has the advantages that under the multi-platform avionic control system, modules such as flight task comprehensive management, function information fusion, physical resource calculation and the like reside in the master node, so that the tasks, functions, resource loads and cost of the slave node can be reduced. In addition, the information collected from the nodes is uniformly transmitted to the main node for centralized processing and information fusion, the main node transmits the fused result to each combat aircraft in real time, processing result sharing and processing process multiplexing are achieved, repeated activities of the system are reduced, the phenomenon special for the processing result is reduced, the sharing of the processing result is achieved, the processing efficiency is improved, and the processing capacity and effectiveness are improved.
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FIG. 1 is a schematic view of a multi-platform avionics system of the present invention;
FIG. 2 is a diagram of the multi-platform avionics system architecture of the present invention;
FIG. 3 is a block diagram of the multi-platform avionics system architecture of the present invention;
FIG. 4 is a diagram of a master node information transfer model and a slave node information transfer model according to the present invention;
FIG. 5 is a diagram of the integrated operational mode of the multi-platform avionics system of the present invention;
FIG. 6 is a resource integration diagram of the present invention;
FIG. 7 is a functional overview of the present invention;
FIG. 8 is a task diagram of the present invention.
Detailed Description
As shown in fig. 1, the multi-platform avionics control system according to the embodiment includes: flight environment processing module, flight mode processing module, master node processing module and follow node processing module, wherein: the flight environment processing module is connected with the flight mode processing module and transmits different flight scene information, the flight mode processing module completes flight task synthesis facing different flight scenes, is connected with each main node processing module and transmits top layer flight task information, and each slave node processing module is connected with the corresponding main node comprehensive processing module and transmits task, function and resource organization information of the slave nodes.
The main node processing module comprises: the system comprises a task organization comprehensive unit, a function organization comprehensive unit and a resource organization comprehensive unit, wherein the task organization comprehensive unit, the function organization comprehensive unit and the resource organization comprehensive unit are used for respectively completing the integration of the flight subtasks, the flight function synthesis and the flight resource synthesis of subordinate slave nodes.
The node processing module comprises: the system comprises a flight unit task organization unit, a flight unit function organization unit and a flight unit resource organization unit, and completes the task, function and resource organization of each slave node.
The present embodiment relates to a control method of the above system, and each slave node is accessed to a corresponding master node through an inter-platform data network to form a subsystem. The task organization and synthesis, the function organization and synthesis and the resource organization and synthesis of the subsystem are completed in the main node, the general process processing of the subsystem is completed, and the special process processing of the subsystem is completed by the sub nodes respectively. The master node performs unified management on each slave node; and each main node is accessed into the multi-platform avionic control system through a main node external network, and the ground or air command center commands and controls each main node to finally complete the control of the whole system.
The master node is a general processing module for integrated management of flight tasks, functional information fusion, physical resource calculation and the like, and can uniformly manage the flight units of subordinate slave nodes.
The slave node refers to a light-weight flight unit only provided with a special processing module.
The unified management comprises the following steps: centralized management and distributed management, wherein the centralized management means that all slave nodes send information to a master node, and the master node performs centralized fusion processing; distributed management means that each node can acquire information of other nodes in real time. Aiming at different function definitions, a corresponding appropriate management mode is adopted, for example, for a reconnaissance platform, centralized management can be adopted, and all slave nodes transmit detected information to a master node for centralized fusion processing; distributed management can be adopted for the striking platform, and each slave node can acquire the information of other slave nodes in real time, so that a more appropriate combat aircraft for striking can be autonomously decided.
As shown in fig. 2, in the multi-platform avionics system, according to the flight mission organization process, the function processing capability and the resource device composition, each master node of the whole system, such as a reconnaissance master node, a percussion master node, an electronic war master node and the like, is formed, and the master nodes are connected through the external network of the master node, so that the processing results can be shared, and the cooperative combat is completed.
A scout slave node a, a scout slave node b and a scout slave node c are arranged under the scout master node, and a scout subsystem is formed. The percussion subsystem and the electronic warfare subsystem are similar, wherein: since the scout slave node c has weapon resources, it is also a hit slave node c.
The master node resides in modules such as flight task comprehensive management, function information fusion, physical resource calculation and the like, so that the tasks, functions, resource loads and cost of the slave nodes can be reduced, and the distributed combat idea is realized. Taking the reconnaissance son system as an example, modules of reconnaissance task comprehensive management, function fusion, resource calculation and the like are all resident on the reconnaissance main node, and the reconnaissance son node can be served by a large number of reconnaissance unmanned aerial vehicle bee swarms with single functions, so that the operation cost is greatly reduced.
If a certain device of a certain slave node fails, the slave node can call other devices and functional modules to replace the failed device through the master node, so that the reliability of the system is increased.
If the main node fails, the selected sub-node is used as a new main node according to a preset transfer principle, and unified management of the remaining sub-nodes is completed.
As shown in fig. 3, the multi-platform avionics system organization architecture is configured for a battle scene, and according to a battle mode task organization and a battle unit organization, an organization architecture facing the battle mode organization is configured, so that system resource synthesis facing the battle weaponry, system function synthesis facing the battle unit capability and battle task synthesis facing the battle mode are completed. Specifically, the flight application tasks are organized and operated through top-level task management of a multi-platform avionic system and are distributed to each main node; the task organization and synthesis, the function organization and synthesis and the resource organization and synthesis of the subsystem are completed in the main node, the general process processing of the subsystem is completed, and the special process processing of the subsystem is completed by the respective child nodes. For example, in the existing operational mode, 3 aircrafts are dispatched to perform tasks, each aircraft has reconnaissance early warning, electronic attack and batting operational capabilities, and the aircrafts are communicated with and controlled by an air/ground command center. Under the organization structure of a multi-platform avionic system, the capabilities of reconnaissance, early warning, electronic attack and attack operation are distributed on each unmanned aerial vehicle platform, but the capabilities are not all integrated on one operation platform.
An information transmission model between a master node and a slave node of a multi-platform avionics system is shown in fig. 4, taking a reconnaissance subsystem and a percussion subsystem as examples, reconnaissance monitoring is carried out by the reconnaissance slave node, reconnaissance information is transmitted to a reconnaissance master node by the three slave nodes through an inter-platform data network, the reconnaissance master node carries out fusion processing on the received reconnaissance information, and the result is transmitted to the percussion master node through a master node external network, so that cooperative combat is completed. The attack master node conducts command control according to the received information, three subordinate attack slave nodes are dispatched in a unified mode to conduct attack guidance, the attack slave nodes feed battlefield information back to the attack master node, and the attack master node conducts information fusion processing and makes a next plan.
As shown in fig. 5, the operation modes of the multi-platform avionics system specifically include: the method comprises the following steps:
firstly, general processing, special processing and input/output are classified, then a system general application processing process is extracted, a system general processing mode requirement is established, a system general processing resource platform is established, and a general process processing platform is established, is arranged on a main node, supports multiplexing of the processing process, realizes inheritance of a general processing result, and accordingly improves system processing efficiency.
Secondly, the special processing and the input/output can not be integrated on the main node and are reserved in the sub-nodes, and the sub-nodes collect information through sensors, effectors and the like and transmit the information through I/O interfaces to complete the personalized functions and the application processing process of the sub-nodes.
And thirdly, the child nodes transmit the information to the data concentrator of the main node, the main node performs fusion processing analysis on the received information, completes resource organization and integration, completes function organization and integration on the basis of resource integration, and completes task organization and integration on the basis of function integration.
The multi-platform avionics system is mainly characterized in that the resident function is independent of the operation resources, the resident function and the operation resources are not in a tight coupling mode any more, the main node resources are not statically configured for the determined functions any more, and a dynamic function and resource configuration mode is realized according to the function operation resource requirements and the current resource available state in a system function scheduling mode. In other words, in the multi-platform avionics system, the functions are not bound with fixed hardware resources any longer, but are handed to currently available equipment resources for operation according to the current resource allocation condition of the system. Based on the application general modular method, the method allows the function to be distributed to a plurality of computing resources for realization. And the main node does not only contain some fixed equipment, but also can be formed by combining a plurality of different equipment modules, so that the organization between the functions and the hardware equipment has great flexibility.
The multi-platform avionics system synthesis refers to the synthesis of a flight task system facing the whole airplane cluster based on master and slave nodes, and comprises platform resource synthesis facing a general process, platform function synthesis facing a flight task and platform task synthesis facing a flight application.
The multi-platform avionics system comprehensively comprises: the method comprises the following steps:
firstly, platform resource synthesis facing a general process is formed through resource structure organization of a main node, so that resource sharing is realized, resource idle time is reduced, the resource utilization rate is improved, the resource use efficiency is improved, and the resource configuration requirement is reduced;
secondly, platform function synthesis facing to flight tasks is formed through resident function architecture organization of the main node, function standard organization facing to application tasks is established in a function independent and standard mode, function result sharing and function process multiplexing are achieved, repeated activities of the system are reduced, special phenomena of function processing results are reduced, sharing of the function results is achieved, system processing efficiency is improved, and system processing capacity and effectiveness are improved;
and finally, platform task synthesis facing flight application is formed, the running state and management organization of the avionic system are established, state management of system classification organization is formed through system task construction, function organization and resource allocation according to different task states and capabilities, different function states and capabilities and different resource states and capabilities according to the current task, function and resource requirements, the supporting capability of the current system is provided, and the task, function and resource organic organization based on state monitoring is realized according to task faults, function errors and resource defect states, the system state effectiveness organization is realized, the influence of environment and state changes on the system is reduced, and the system effectiveness is improved.
The resource integration belongs to the range of cross-system physical integration, and is a comprehensive technology for realizing the resource capacity organization integration of the slave nodes and the resource capacity generation of the master node aiming at the requirement of the resource organization optimization of a comprehensive system. As shown in fig. 6, resource integration mainly has the following aspects:
first, a resource organization of the slave nodes is established. The method comprises the steps of establishing a system resource capacity organization comprehensive technology, realizing comprehensive processes of application process operation, functional process operation and resource process operation based on resource capacity, and establishing resource type organization, namely resource types, forms and results; determining resource operation organization, namely a resource mode, operation and process; the resource performance organization, namely, capability, condition and performance, is defined.
Second, resource integration of the master node is established. The resource capacity generation comprehensive process based on resource types, resource capacities and resource management is realized by constructing a system resource capacity generation comprehensive technology, and resource capacity synthesis and time-sharing use sharing of the resource capacities are formed, so that the resource utilization rate is improved; the resource operation synthesis is constructed, the processing result multiplexing of the resource operation is realized, and the resource efficiency is improved; and (3) resource comprehensive state management is constructed, the resource capacity organization of resource fault state management is realized, the resource availability is improved, and the resource comprehensive income of the main node is finally realized.
The function integration belongs to the range of cross-system function integration, and aims at the requirements of function organization and processing process optimization of a comprehensive system to realize the organization and integration of the function capability of the main node and the generation and integration of the resident function processing process. As shown in fig. 7, the function integration mainly has the following aspects:
firstly, a master node function organization comprehensive technology based on slave node functions is constructed, the comprehensive process of function organization based on function requirements, function modes and function capabilities is completed, and function task organization, namely function target requirements, processing modes and professional capabilities, is established; and determining functional process organization, namely functional result requirements, logic modes and process capabilities, and determining functional condition organization, namely functional environment requirements, constraints and processing states.
Secondly, a generation comprehensive technology of a main node resident function based on the slave node function is constructed, a function generation comprehensive process based on function input, function elements and function specialties is completed, and function speciality capability synthesis, namely function speciality, quality and capability based on task situation, is established; determining the function processing capacity integration, namely the element organization, quality and relationship based on the function specialization; and (4) determining function input capability synthesis, namely, finally realizing the main node resident function comprehensive income based on the input, performance and degree of the functional element sensor.
The task synthesis belongs to the scope of system task synthesis, and aims at the requirements of integrated system task organization and operation process optimization to realize the integration of system resident application capability organization and the generation and synthesis of system resident application processing process. As shown in fig. 8, task synthesis mainly has the following aspects:
firstly, an organization comprehensive technology of a cross-platform task is constructed, a synthesis process of task organization based on task requirements, task modes and task capabilities is completed, application, requirements, relationships and environments of task application organization, namely system tasks, are established, the speciality, the logic, the quality and the conditions of the task mode organization, namely the system capabilities are determined, the situation organization, the perception, the identification and the speculation of the task capability organization, namely task response are determined.
Secondly, a generation comprehensive technology of cross-platform tasks is built, a task generation comprehensive process based on task response, task organization and task management is realized, task situation capability synthesis, namely situation organization of task response, perception, recognition and speculation, task mode decision synthesis, namely plan organization of task organization, mode, evaluation and decision, task execution management synthesis, namely organization of task management is determined, monitoring, management and organization are realized, and finally comprehensive benefits of system tasks are realized.
In the embodiment, a master node information transfer model and a slave node information transfer model and a comprehensive operation mode in a system are determined, the integration of a slave resource synthesis layer, a function synthesis layer and a task synthesis layer of a multi-platform avionics system is completed, and the simplification of the configuration of the flight unit equipment and the reduction of tasks, functions, resource loads and cost are realized.
Compared with the prior art, in the embodiment, under the multi-platform avionic control system, modules such as flight task comprehensive management, function information fusion and physical resource calculation reside in the master node, so that tasks, functions, resource loads and cost of the slave nodes can be reduced. In addition, the information collected from the nodes is uniformly transmitted to the main node for centralized processing and information fusion, the main node transmits the fused result to each combat aircraft in real time, processing result sharing and processing process multiplexing are achieved, repeated activities of the system are reduced, the phenomenon special for the processing result is reduced, the sharing of the processing result is achieved, the processing efficiency is improved, and the processing capacity and effectiveness are improved.
The foregoing embodiments may be modified in many different ways by those skilled in the art without departing from the spirit and scope of the invention, which is defined by the appended claims and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (5)

1.一种多平台航空电子控制系统,其特征在于,包括:飞行环境处理模块、飞行模式处理模块、主节点处理模块和若干个从节点处理模块,其中:飞行环境处理模块与飞行模式处理模块相连并传输不同的飞行情景信息,飞行模式处理模块完成面向不同飞行情景的飞行任务综合,与各个主节点处理模块相连并传输顶层飞行任务信息,各从节点处理模块与对应的主节点综合处理模块相连并传输从节点的任务、功能和资源组织信息。1. a multi-platform avionics control system is characterized in that, comprising: flight environment processing module, flight mode processing module, master node processing module and several slave node processing modules, wherein: flight environment processing module and flight mode processing module Connect and transmit different flight scenario information, the flight mode processing module completes the flight task synthesis for different flight scenarios, is connected to each master node processing module and transmits top-level flight task information, and each slave node processing module integrates with the corresponding master node processing module Connect and transmit information about tasks, functions, and resource organization of slave nodes. 2.根据权利要求1所述的多平台航空电子控制系统,其特征是,所述的主节点处理模块包括:任务组织综合单元、功能组织综合单元和资源组织综合单元,分别完成下属从节点的飞行子任务的综合、飞行功能综合和飞行资源综合。2. The multi-platform avionics control system according to claim 1, wherein the master node processing module comprises: a task organization integrated unit, a functional organization integrated unit and a resource organization integrated unit, which respectively complete the Integration of flight subtasks, flight function integration, and flight resource integration. 3.根据权利要求1所述的多平台航空电子控制系统,其特征是,所述的从节点处理模块包括:飞行单元任务组织单元、飞行单元功能组织单元和飞行单元资源组织单元,完成各从节点的任务、功能和资源组织。3. The multi-platform avionics control system according to claim 1, wherein the slave node processing module comprises: a flight unit task organization unit, a flight unit function organization unit and a flight unit resource organization unit, which completes each slave Tasks, functions, and resource organization of nodes. 4.一种基于上述任一权利要求所述系统的控制方法,其特征在于,通过平台间数据网络将各个从节点接入对应的主节点中并形成子体系;在主节点中完成该子体系的任务组织与综合、功能组织与综合、资源组织与综合并完成子体系的通用过程处理,再由子节点各自完成其专用过程处理;主节点对各个从节点进行统一管理,通过主节点外部网络将各个主节点接入到多平台航空电子控制系统中,由地面或空中指挥中心进行指挥控制各个主节点,最终完成整个系统的控制;4. A control method based on the system according to any of the preceding claims, characterized in that each slave node is connected to the corresponding master node through the inter-platform data network and forms a sub-system; the sub-system is completed in the master node Task organization and integration, function organization and integration, resource organization and integration, and complete the general process processing of the subsystem, and then the child nodes complete their own dedicated process processing; the master node manages each slave node uniformly, and the external network Each master node is connected to the multi-platform avionics control system, and the ground or air command center conducts command and control of each master node, and finally completes the control of the entire system; 所述的主节点是指:驻留有飞行任务综合管理、功能信息融合、物理资源计算模块并统一管理下属从节点的飞行单元;The master node refers to: a flight unit that resides in a comprehensive management of flight tasks, functional information fusion, and physical resource calculation modules and manages subordinate slave nodes in a unified manner; 所述的从节点是指:仅配备专用处理模块的轻量型飞行单元。The slave node refers to a lightweight flying unit only equipped with a dedicated processing module. 5.根据权利要求4所述的方法,其特征是,所述的统一管理包括:集中式管理和分布式管理,其中:集中式管理是指从节点都把信息发送给主节点,由主节点进行集中融合处理;分布式管理是指每个节点都可以实时获取到其他节点的信息,针对不同的功能定义,采取相应适合的管理方式。5. The method according to claim 4, wherein the unified management comprises: centralized management and distributed management, wherein: the centralized management means that the slave nodes all send information to the master node, and the master node sends the information to the master node. Perform centralized fusion processing; distributed management means that each node can obtain the information of other nodes in real time, and appropriate management methods are adopted for different function definitions.
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