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WO2018158907A1 - Système de surveillance - Google Patents

Système de surveillance Download PDF

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Publication number
WO2018158907A1
WO2018158907A1 PCT/JP2017/008258 JP2017008258W WO2018158907A1 WO 2018158907 A1 WO2018158907 A1 WO 2018158907A1 JP 2017008258 W JP2017008258 W JP 2017008258W WO 2018158907 A1 WO2018158907 A1 WO 2018158907A1
Authority
WO
WIPO (PCT)
Prior art keywords
monitoring
monitoring data
data
point information
change point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/008258
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English (en)
Japanese (ja)
Inventor
正剛 赤根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to PCT/JP2017/008258 priority Critical patent/WO2018158907A1/fr
Priority to CN201780086261.1A priority patent/CN110337816B/zh
Priority to JP2019502382A priority patent/JP6638857B2/ja
Publication of WO2018158907A1 publication Critical patent/WO2018158907A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom

Definitions

  • the present invention relates to a monitoring system.
  • the monitoring system can include, for example, a monitoring device that records monitoring data at the installation location of the device.
  • the monitoring system may include a monitoring device that records monitoring data via a network at a location different from the installation location of the device, for example.
  • Patent Document 1 below describes an elevator monitoring system.
  • monitoring data may not be recorded correctly due to problems such as monitoring device failure, network failure, or data alteration.
  • problems such as monitoring device failure, network failure, or data alteration.
  • the introduction of technology for detecting these problems complicates the system configuration.
  • An object of the present invention is to provide a monitoring system that can determine the validity of monitoring data with a simple configuration.
  • a monitoring system is capable of communicating with a first monitoring device that records first monitoring data indicating an operation state of a monitoring target device, and the first monitoring device, and is a monitoring target in a format different from the first monitoring data.
  • a second monitoring device that records second monitoring data indicating an operation state of the device.
  • the first monitoring device includes first change point information indicating a time when a change amount of the first monitoring data exceeds a certain value, and second change point information indicating a time when the change amount of the second monitoring data exceeds a certain value.
  • a determination unit that determines the validity of the first monitoring data and the second monitoring data based on the similarity.
  • the determination unit determines the validity of the first monitoring data and the second monitoring data based on the similarity between the first change point information and the second change point information. Therefore, according to the present invention, it is possible to determine the validity of the monitoring data with a simple configuration.
  • FIG. 2 is a functional block diagram of a monitoring system in Embodiment 1.
  • FIG. 3 is a first flowchart illustrating an operation example of the monitoring system according to the first embodiment.
  • 6 is a second flowchart illustrating an operation example of the monitoring system according to the first embodiment.
  • 1 is a schematic diagram illustrating an example of a monitoring system in a first embodiment.
  • 6 is a diagram illustrating an example of change point information according to Embodiment 1.
  • FIG. It is a hardware block diagram of a monitoring apparatus.
  • FIG. 1 is a functional block diagram of the monitoring system according to the first embodiment.
  • the monitoring system monitors the operating state of the monitoring target device 1.
  • the monitoring system includes a plurality of monitoring devices 2.
  • FIG. 1 illustrates a first monitoring device 2 a and a second monitoring device 2 b as the monitoring device 2.
  • the monitoring system may include three or more monitoring devices 2.
  • the monitoring device 2 provided in a building where the monitoring target device 1 is installed may be included.
  • the monitoring apparatus 2 provided in the building different from the building in which the monitoring object apparatus 1 was installed may be included, for example.
  • Each monitoring device 2 can acquire data indicating the operating state of the monitoring target device 1.
  • the monitoring device 2 may be electrically connected to the monitoring target device 1, for example.
  • the monitoring device 2 may communicate with the monitoring target device 1 via a network.
  • the monitoring device 2 may acquire data indicating the operation state of the monitoring target device 1 indirectly through another device (not shown).
  • the monitoring device 2 records the acquired data as monitoring data.
  • Each monitoring device 2 can communicate with at least one other monitoring device 2.
  • the monitoring device 2 may be electrically connected to another monitoring device 2.
  • the monitoring device 2 may communicate with another monitoring device 2 via a network, for example.
  • the first monitoring device 2 a includes a first monitoring unit 3, a first change point information management unit 4, an information acquisition unit 5, and a determination unit 6.
  • the second monitoring device 2 b includes a second monitoring unit 7 and a second change point information management unit 8.
  • the information acquisition part 5 and the determination part 6 may be provided also in the 2nd monitoring apparatus 2b.
  • the first monitoring unit 3 acquires data indicating the operating state of the monitoring target device 1.
  • the first monitoring unit 3 records the acquired data as first monitoring data 9.
  • the first monitoring data 9 is, for example, data over time indicating the operating state of the monitoring target device 1.
  • the first monitoring data 9 is represented by a physical quantity, for example.
  • the second monitoring unit 7 acquires data indicating the operating state of the monitoring target device 1.
  • the second monitoring unit 7 records the acquired data as second monitoring data 11.
  • the second monitoring data 11 is, for example, data with time indicating the operating state of the monitoring target device 1.
  • the format of the second monitoring data 11 is different from the format of the first monitoring data 9.
  • the second monitoring data 11 is represented by a physical quantity different from the first monitoring data 9, for example.
  • the first change point information management unit 4 extracts change point information from the first monitoring data 9.
  • the first change point information management unit 4 stores the change point information as first change point information 10.
  • the first change point information 10 is information indicating, for example, the time when the change amount of the first monitoring data 9 exceeds a predetermined value set in advance.
  • the second change point information management unit 8 extracts change point information from the second monitoring data 11.
  • the second change point information management unit 8 stores the change point information as second change point information 12.
  • the second change point information 12 is information indicating, for example, the time when the change amount of the second monitoring data 11 exceeds a predetermined value set in advance.
  • the information acquisition unit 5 acquires information from the second monitoring device 2b.
  • the information acquisition unit 5 acquires the second change point information 12 from the second monitoring device 2b, for example.
  • the determination unit 6 determines the validity of the first monitoring data 9 and the second monitoring data 11. The determination unit 6 performs determination based on, for example, the similarity between the first change point information 10 extracted by the first change point information management unit 4 and the second change point information 12 acquired by the information acquisition unit 5. .
  • the determination unit 6 validates both the first monitoring data 9 and the second monitoring data 11. Judge that there is. The determination unit 6 determines that at least one of the first monitoring data 9 and the second monitoring data 11 is not valid when the similarity is less than the reference.
  • FIG. 2 is a first flowchart showing an operation example of the monitoring system in the first embodiment.
  • FIG. 2 shows processing that is always performed for each monitoring device 2.
  • the monitoring device 2 records the operation state of the monitoring target device 1 as monitoring data (step S101).
  • the monitoring device 2 determines whether or not the change amount of the monitoring data exceeds a certain value (step S102). If it is determined in step S102 that the change amount of the monitoring data does not exceed a certain value, the process of step S101 is performed.
  • step S102 When it is determined in step S102 that the change amount of the monitoring data exceeds a certain value, the monitoring device 2 stores the time when the change amount of the monitoring data exceeds the certain value as change point information (step S103). After step S103, the process of step S101 is performed.
  • step S101 is performed by the first monitoring unit 3.
  • step S102 and step S103 are performed by the first change point information management unit 4.
  • step S101 is performed by the second monitoring unit 7.
  • steps S102 and S103 are performed by the second change point information management unit 8.
  • FIG. 3 is a second flowchart illustrating an operation example of the monitoring system according to the first embodiment.
  • FIG. 3 shows a process for determining the validity of the monitoring data.
  • the information acquisition unit 5 of the first monitoring device 2a acquires the change point information stored in the second monitoring device 2b (step S201).
  • the determination unit 6 of the first monitoring device 2a evaluates the similarity of the change point information stored in each monitoring device 2 (step S202).
  • the determination unit 6 determines whether the similarity is less than a reference (step S203).
  • step S203 for example, when the time indicated by the first change point information 10 coincides with the time indicated by the second change point information 12, the determination unit 6 determines that the similarity is greater than or equal to the reference. In step S203, for example, the determination unit 6 determines that the similarity is less than the reference when the time indicated by the first change point information 10 and the time indicated by the second change point information 12 do not match.
  • the determination unit 6 when the time difference between the time indicated by the first change point information 10 and the time indicated by the second change point information 12 is within a preset range, the determination unit 6 has a similarity greater than or equal to a reference. May be determined. For example, when the time difference between the time indicated by the first change point information 10 and the time indicated by the second change point information 12 is outside the range, the determination unit 6 determines that the similarity is less than the reference. Good.
  • the range is set, for example, for 1 second.
  • step S203 determines that at least one of the monitoring data of the first monitoring device 2a and the second monitoring device 2b is not valid (step S204). If it is determined in step S203 that the similarity is greater than or equal to the reference, the determination unit 6 ends the processing assuming that there is no problem in the monitoring data of the first monitoring device 2a and the second monitoring device 2b.
  • FIG. 4 is a schematic diagram illustrating an example of a monitoring system according to the first embodiment.
  • FIG. 4 illustrates a monitoring system that monitors the operating state of the elevator.
  • the elevator 13a, the elevator 13b, and the elevator 13c are installed in the same building, for example.
  • a surveillance camera 14 is provided in the building.
  • the surveillance camera 14 is provided in, for example, an elevator car or a landing.
  • the range imaged by the monitoring camera 14 includes, for example, an elevator door.
  • the monitoring camera 14a is provided corresponding to the elevator 13a.
  • the monitoring camera 14b is provided corresponding to the elevator 13b.
  • the surveillance camera 14c is provided corresponding to the elevator 13c.
  • a recorder 15 is provided as the first monitoring device 2a.
  • the recorder 15 is provided, for example, in a building where the elevator 13 is installed.
  • the recorder 15 is electrically connected to the monitoring camera 14.
  • the recorder 15 collects video data captured by the monitoring camera 14a, the monitoring camera 14b, and the monitoring camera 14c.
  • the recorder 15 records the collected video data for each corresponding elevator 13.
  • the recorder 15 functions as a local monitoring device for the elevator 13.
  • the data collection device 16 is provided in the building where the elevator 13 is installed.
  • the data collection device 16 is electrically connected to, for example, a control device for the elevator 13.
  • the data collection device 16 collects operation data of the elevator 13a, the elevator 13b, and the elevator 13c.
  • the operation data includes, for example, car position information, door opening / closing information, call registration information, and an operation mode.
  • a central monitoring center 17 is provided as the second monitoring device 2b.
  • the central monitoring center 17 is provided in a building different from the building where the elevator 13 is installed, for example.
  • the central monitoring center 17 can communicate with the data collection device 16.
  • the central monitoring center 17 receives operation data from the data collection device 16.
  • the central monitoring center 17 records the received operation data for each corresponding elevator 13.
  • the central monitoring center 17 serves as a center side monitoring device for the elevator 13.
  • the recorder 15 records the video data of the elevator 13 acquired via the monitoring camera 14 as the first monitoring data 9.
  • the recorder 15 extracts the door opening time and the door closing time of the door of the elevator 13 as change point information from the video data.
  • the recorder 15 extracts the time when the door shown in the video is in the door open state as the door open time.
  • the recorder 15 extracts the time when the door shown in the video is in the door-closed state as the door-closing time.
  • the recorder 15 stores the extracted door opening time and door closing time as the first change point information 10.
  • the door open state and the door closed state of the door are detected based on, for example, changes in the brightness, brightness, color, or shade of the image.
  • the door is opened and closed more accurately by applying a mask to the image and deleting the image data other than the door. Can be detected.
  • the central monitoring center 17 records the operation data of the elevator 13 acquired via the data collection device 16 as the second monitoring data 11. For example, the central monitoring center 17 extracts the door opening time and the door closing time of the door of the elevator 13 as changing point information from the door opening / closing information included in the operation data. For example, the central monitoring center 17 stores the extracted door opening time and door closing time as the second change point information 12.
  • the recorder 15 can communicate with the central monitoring center 17 via a network 18 such as the Internet.
  • the recorder 15 downloads the second change point information 12 stored in the second monitoring device 2b.
  • the recorder 15 compares the door opening time of the first changing point information 10 with the door opening time of the second changing point information 12.
  • the recorder 15 compares the door closing time of the first change point information 10 with the door closing time of the second change point information 12.
  • FIG. 5 is a diagram illustrating an example of change point information according to the first embodiment.
  • FIG. 5 shows change point information extracted from the monitoring data in the example shown in FIG.
  • the door opening time recorded in the recorder 15 which is the local side monitoring device coincides with the door opening time recorded in the central monitoring center 17 which is the center side monitoring device.
  • the door closing time recorded in the recorder 15 as the local monitoring device does not coincide with the door closing time recorded in the central monitoring center 17 as the center monitoring device.
  • the recorder 15 determines that at least one of the monitoring data of the recorder 15 and the central monitoring center 17 is not valid.
  • the central monitoring center 17 may perform a comparison operation between the first change point information 10 and the second change point information 12.
  • the monitoring system includes a first monitoring device 2a and a second monitoring device 2b.
  • the first monitoring device 2a records first monitoring data 9 indicating the operation state of the monitoring target device 1.
  • the second monitoring device 2b is communicable with the first monitoring device 2a, and records the second monitoring data 11 indicating the operation state of the monitoring target device 1 in a format different from the first monitoring data 9.
  • the first monitoring device 2 a includes a determination unit 6 that determines the validity of the first monitoring data 9 and the second monitoring data 11 based on the similarity between the first change point information 10 and the second change point information 12. . Therefore, according to the first embodiment, it is possible to determine the validity of the monitoring data with a simple configuration.
  • the determination unit 6 validates both the first monitoring data 9 and the second monitoring data 11 when the similarity between the first change point information 10 and the second change point information 12 is equal to or higher than a reference. If the similarity is less than the reference, it is determined that at least one of the first monitoring data 9 and the second monitoring data 11 is not valid. Therefore, according to the first embodiment, it is possible to determine the validity of the monitoring data with a simple configuration.
  • the first monitoring device 2a includes a first change point information management unit 4 and an information acquisition unit 5.
  • the first change point information management unit 4 extracts the first change point information 10 from the first monitoring data 9.
  • the information acquisition unit 5 acquires information from the second monitoring device 2b.
  • the second monitoring device 2b includes a second change point information management unit 8.
  • the second change point information management unit 8 extracts the second change point information 12 from the second monitoring data 11.
  • the determination unit 6 is extracted by the first change point information 10 extracted by the first change point information management unit 4 and the second change point information management unit 8 and acquired by the information acquisition unit 5 from the second monitoring device 2b. Based on the degree of similarity with the second change point information 12, the validity of the first monitoring data 9 and the second monitoring data 11 is determined. For this reason, according to Embodiment 1, the 2nd monitoring apparatus 2b does not need to have the information acquisition part 5 and the determination part 6. FIG. As a result, the validity of the monitoring data can be determined with a simple configuration.
  • one of the first monitoring data 9 and the second monitoring data 11 is, for example, video data.
  • the other of the first monitoring data 9 and the second monitoring data 11 is data obtained electrically from, for example, the monitoring target device 1 or the control device of the monitoring target device 1. Therefore, according to the first embodiment, it is possible to determine the legitimacy of different types of monitoring data.
  • one of the first monitoring data 9 and the second monitoring data 11 is, for example, video data showing a door.
  • the other of the first monitoring data 9 and the second monitoring data 11 is data indicating, for example, an electrically detected door opening / closing state. For this reason, according to the first embodiment, it is possible to determine the validity of the monitoring data indicating the operation state of the door.
  • one of the first monitoring data 9 and the second monitoring data 11 shows, for example, the door of the elevator 13 imaged by the monitoring camera 14 provided in the car of the elevator 13 or at the landing. It is video data.
  • the other of the first monitoring data 9 and the second monitoring data 11 is, for example, data indicating the door opening / closing state of the elevator 13 that is electrically detected. For this reason, according to Embodiment 1, the correctness of the monitoring data which shows the operation state of an elevator can be determined.
  • one of the first monitoring data 9 and the second monitoring data 11 is, for example, the display device of the elevator 13 captured by the monitoring camera 14 provided in the car of the elevator 13 or at the landing. It may be video data.
  • the display device is, for example, various buttons provided with an indicator or a lamp of the elevator 13.
  • the other of the first monitoring data 9 and the second monitoring data 11 may be data indicating the operating state of the elevator 13 that is electrically detected, for example.
  • the data is, for example, operation data of the elevator 13. In this case, for example, the validity of the monitoring data can be determined by comparing the lighting time of the destination floor button extracted from the video data with the call registration time extracted from the operation data.
  • the information acquisition unit 5 may acquire the second monitoring data 11 from the second monitoring device 2b, for example.
  • the first change point information management unit 4 extracts the first change point information 10 from the first monitoring data 9, and the second from the second monitoring data 11 acquired from the second monitoring device 2 b by the information acquisition unit 5.
  • the change point information 12 may be extracted.
  • the determination unit 6 is based on, for example, the similarity between the first change point information 10 extracted by the first change point information management unit 4 and the second change point information 12 extracted by the first change point information management unit 4.
  • the validity of the first monitoring data 9 and the second monitoring data 11 may be determined. In this case, it is not necessary to provide the second change point information management unit 8 in the second monitoring device 2b. As a result, it is possible to determine the validity of the monitoring data with a simpler configuration.
  • the monitoring system may further include a third monitoring device as the monitoring device 2.
  • the third monitoring device can communicate with, for example, the first monitoring device 2a, and indicates the operating state of the monitoring target device 1 in a format different from at least one of the first monitoring data 9 and the second monitoring data 11. Record monitoring data.
  • the third monitoring device stores, for example, third change point information indicating the time when the amount of change in the third monitoring data exceeds a preset constant value. For example, when it is determined that at least one of the first monitoring data 9 and the second monitoring data 11 is not valid, the determination unit 6 determines the similarity between the first change point information 10 and the third change point information. Based on this, the validity of the first monitoring data 9 and the third monitoring data may be determined. In this case, it is possible to identify a monitoring device whose monitoring data is not valid.
  • the monitoring system in the first embodiment can be applied to, for example, monitoring equipment for automatic doors instead of elevator doors.
  • the monitoring system in the first embodiment can be applied to, for example, determining the validity of the detection result obtained by the rotation sensor of the motor.
  • FIG. 6 is a hardware configuration diagram of the monitoring device.
  • the functions of the first monitoring unit 3, the first change point information management unit 4, the information acquisition unit 5, the determination unit 6, the second monitoring unit 7, and the second change point information management unit 8 in the monitoring device 2 are performed by a processing circuit.
  • the processing circuit may be dedicated hardware 50.
  • the processing circuit may include a processor 51 and a memory 52.
  • a part of the processing circuit is formed as dedicated hardware 50, and may further include a processor 51 and a memory 52.
  • FIG. 6 shows an example in which the processing circuit is partly formed as dedicated hardware 50 and includes a processor 51 and a memory 52.
  • the processing circuit may be, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or the like. The combination is applicable.
  • each function of the monitoring device 2 is realized by software, firmware, or a combination of software and firmware.
  • Software and firmware are described as programs and stored in the memory 52.
  • the processor 51 reads out and executes the program stored in the memory 52, thereby realizing the function of each unit.
  • the processor 51 is also referred to as a CPU (Central Processing Unit), a central processing unit, a processing unit, an arithmetic unit, a microprocessor, a microcomputer, and a DSP.
  • the memory 52 corresponds to, for example, a nonvolatile or volatile semiconductor memory such as a RAM, a ROM, a flash memory, an EPROM, and an EEPROM, a magnetic disk, a flexible disk, an optical disk, a compact disk, a mini disk, and a DVD.
  • a nonvolatile or volatile semiconductor memory such as a RAM, a ROM, a flash memory, an EPROM, and an EEPROM, a magnetic disk, a flexible disk, an optical disk, a compact disk, a mini disk, and a DVD.
  • the processing circuit can realize each function of the monitoring device 2 by hardware, software, firmware, or a combination thereof.
  • the present invention can be used for a system for monitoring the operating state of a device.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Selective Calling Equipment (AREA)
  • Alarm Systems (AREA)

Abstract

L'invention concerne un système de surveillance qui est capable de déterminer la validité de données de surveillance comportant une configuration simple. Selon la présente invention, le système de surveillance comprend un premier dispositif de surveillance (2a) qui enregistre de premières données de surveillance (9) indicatives d'un état de fonctionnement d'un équipement surveillé (1), et un second dispositif de surveillance (2b) qui est capable de communiquer avec le premier dispositif de surveillance (2a) et qui enregistre de secondes données de surveillance (11) indicatives de l'état de fonctionnement de l'équipement surveillé (1) sous une forme différente d'une forme des premières données de surveillance (9). Le premier dispositif de surveillance (2a) comprend une unité de détermination (6) qui détermine la validité des premières données de surveillance (9) et des secondes données de surveillance (11), sur la base d'une similarité entre de premières informations de point de changement (10) indicatives d'un moment où la quantité de changement dans les premières données de surveillance (9) dépasse une valeur donnée, et de secondes informations de point de changement (12) indicatives d'un moment où la quantité de changement dans les secondes données de surveillance (11) dépasse une valeur donnée.
PCT/JP2017/008258 2017-03-02 2017-03-02 Système de surveillance Ceased WO2018158907A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2017/008258 WO2018158907A1 (fr) 2017-03-02 2017-03-02 Système de surveillance
CN201780086261.1A CN110337816B (zh) 2017-03-02 2017-03-02 监视系统
JP2019502382A JP6638857B2 (ja) 2017-03-02 2017-03-02 監視システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/008258 WO2018158907A1 (fr) 2017-03-02 2017-03-02 Système de surveillance

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WO2018158907A1 true WO2018158907A1 (fr) 2018-09-07

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JP (1) JP6638857B2 (fr)
CN (1) CN110337816B (fr)
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Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2007235668A (ja) * 2006-03-02 2007-09-13 Toshiba Elevator Co Ltd 映像監視システム
JP2012048689A (ja) * 2010-08-30 2012-03-08 Secom Co Ltd 異常検知装置
JP2012184080A (ja) * 2011-03-04 2012-09-27 Toshiba Elevator Co Ltd エレベータ
WO2015037239A1 (fr) * 2013-09-12 2015-03-19 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Procédé de communication d'informations

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CN101259932A (zh) * 2008-04-14 2008-09-10 张齐 电梯报警召修装置
US8959405B2 (en) * 2009-03-25 2015-02-17 Mitsubishi Electric Corporation Signal transmission device for elevator
CN102730509B (zh) * 2012-04-28 2015-04-01 中山市卓梅尼控制技术有限公司 电梯轿厢灯检测系统
CN105173943B (zh) * 2015-08-10 2017-04-12 沈阳市蓝光自动化技术有限公司 一种电梯体检系统
CN106155867A (zh) * 2016-08-23 2016-11-23 珠海金智维信息科技有限公司 监控性能数据相似性度量的告警方法和系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007235668A (ja) * 2006-03-02 2007-09-13 Toshiba Elevator Co Ltd 映像監視システム
JP2012048689A (ja) * 2010-08-30 2012-03-08 Secom Co Ltd 異常検知装置
JP2012184080A (ja) * 2011-03-04 2012-09-27 Toshiba Elevator Co Ltd エレベータ
WO2015037239A1 (fr) * 2013-09-12 2015-03-19 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Procédé de communication d'informations

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CN110337816B (zh) 2022-02-25
JP6638857B2 (ja) 2020-01-29
JPWO2018158907A1 (ja) 2019-11-07
CN110337816A (zh) 2019-10-15

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