WO2020215753A1 - 一种用于电力系统的无人机巡检方法及系统 - Google Patents
一种用于电力系统的无人机巡检方法及系统 Download PDFInfo
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- WO2020215753A1 WO2020215753A1 PCT/CN2019/126108 CN2019126108W WO2020215753A1 WO 2020215753 A1 WO2020215753 A1 WO 2020215753A1 CN 2019126108 W CN2019126108 W CN 2019126108W WO 2020215753 A1 WO2020215753 A1 WO 2020215753A1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- the present invention relates to the field of unmanned aerial vehicles, and more specifically, to an unmanned aerial vehicle inspection method and system for power systems.
- the reference document CN201510598203X proposes an agricultural work method that maintains a fixed position of a UAV in the regionalization of farmland. It specifically proposes a method of accurately positioning a target through a triangular camera. However, the positioning method has greater limitations In addition, the stability of the drone is highly required, the method is not suitable for other scenarios, and the comparison document does not describe other scenarios.
- the comparative document CN2016102163394 proposes a system and method for autonomous drone inspection of power transmission lines that use control technology to accurately control the angular displacement of the pan/tilt.
- the method still requires auxiliary positioning based on GPS positioning. It is difficult to locate and analyze complex situations.
- the present invention aims to solve the above technical problems at least to a certain extent.
- the embodiment of the present invention provides an unmanned aerial vehicle inspection method and system used in a power system to solve the problem that the unmanned aerial vehicle cannot effectively complete the inspection task.
- the present invention provides an unmanned aerial vehicle inspection method for a power system.
- the method includes:
- the control center classifies the drones controlled by the control center by function, and numbers the drones according to the function classification;
- the control center assigns inspection tasks according to the number of the drone
- the control center judges whether there is a possible accident area based on the information fed back by the drone during the inspection process;
- control center If the control center discovers possible accident areas through UAV A, the control center will make a preliminary classification of the types of possible accidents;
- the control center dispatches the nearest UAV B to the area where the accident may occur according to the preliminary classification of the type of accident that may occur;
- the control center requests UAV A and UAV B to cooperate to re-judge and accurately locate the accident, and obtain the final accident type and accurate accident area based on the feedback information of UAV A and UAV B;
- the control center plans the processing route according to the final accident type and accurate accident area
- the control center requests the processing terminal to handle the accident through the planned processing route
- the control center records the processing process of the processing end.
- the area where an accident may occur is the area where an accident is likely to occur as determined by the control center, the UAV A and UAV B are only used as the identification of the UAV, and the processing end is capable of handling accidents The end of the capability and the number is greater than or equal to one.
- the present invention also provides an unmanned aerial vehicle inspection system for a power system.
- the unmanned aerial vehicle inspection system for an electric power system includes a control center and an unmanned aerial vehicle terminal;
- the control center includes:
- the processing module is used to number the UAV terminal according to the function of the UAV terminal;
- Communication module used to send inspection tasks to the corresponding UAV terminal
- the UAV terminal includes:
- the control module is used to receive and control the drone terminal to complete inspection tasks
- Collection module used to collect information and feed it back to the control module
- the control module also sends the information collected by the collection module to the communication module when performing the inspection task.
- the communication module is also used to receive information collected when the UAV terminal performs inspection tasks
- the processing module is also used for judging whether there is an area where an accident may occur according to the information received by the communication module.
- the processing module is also used to confirm the UAV terminal required for re-judgment and precise positioning of the accident area according to the judgment result of whether there is an accident area, and plan the route of the UAV terminal for re-judgment and precise positioning. ;
- the communication module is also used to send the planned route to the UAV terminal required for re-judging and precise positioning of the accident area;
- the control module is also used to process the information collected by the collection module when the drone terminal moves along the planned route and send the processing result to the communication module;
- the UAV terminal also includes:
- the mobile module is used to control the drone terminal to move along the planned route
- the processing module is also used for the accurate area and the final type of the accident that occurred in the processing result sent by the control module received by the communication module.
- the functions of the drones are classified and numbered in advance to clarify the functions of the drones and drones with similar functions.
- the control center judges the accident based on the information fed back by the drone instead of completely handing it over to the drone itself. Since the control center is connected to multiple databases and stores more information, the control center's judgment is more accurate.
- UAVs have substitute UAVs when performing tasks and receiving scheduling, which ensures the completion of tasks and the reasonable scheduling.
- Fig. 1 is a flowchart of an unmanned aerial vehicle inspection method used in a power system of the present invention.
- Fig. 2 is an architecture diagram of an unmanned aerial vehicle inspection system used in a power system according to the present invention.
- a drone inspection method for a power system includes:
- the control center classifies the drones controlled by the control center by function, and numbers the drones according to the function classification;
- S120 The control center assigns inspection tasks according to the number of the drone
- S130 The control center judges whether there is an area where an accident may occur according to the information fed back by the drone during the inspection process;
- S150 The control center dispatches the nearest UAV B to the area where the accident may occur according to the preliminary classification of the type of accident that may occur;
- the control center requests UAV A and UAV B to cooperate to re-judge and accurately locate the accident, and obtain the final accident type and accurate accident area based on the feedback information from UAV A and UAV B;
- S170 The control center plans the processing route according to the final accident type and accurate accident area
- S180 The control center requests the processing terminal to handle the accident through the planned processing route
- the area where an accident may occur is an area where an accident may occur, the type of accident is only used as an identification of the accident type, and the UAV A and UAV B are only used as an identification of the UAV, the processing
- the terminal is the terminal capable of handling accidents and the number is greater than or equal to one.
- the step of numbering the drones according to the function classification includes: the control center sets the corresponding function number as the prefix number of the drone according to the function of the drone, and the control center according to the prefix
- the number and the stored drone information confirm the sequence of the drone in the system, and the control center generates the suffix number of the drone according to the sequence of the drone in the system, and the prefix of the drone
- the combination of the serial number and the suffix serial number is the serial number of the drone.
- the numbering of drones makes the functions of drones and the number of similar drones more accurate.
- the step of the control center assigning the inspection task according to the number of the drone includes the control center determining the function and prefix number of the drone performing the inspection task according to the functions required by the inspection task, and the control center The drones controlled by the control center are screened according to the prefix number and the drones performing the inspection task are determined according to the order of the suffix numbers. Furthermore, if the number of drones required for the inspection task is greater than or equal to one, then The control center re-executes the step of assigning inspection tasks according to the numbers of the drones until the drone group performing the inspection tasks meets the requirements of the inspection tasks.
- the number assignment task is equivalent to indirectly corresponding to the functions of the drone, which improves the adaptability of the drone to the inspection task.
- the step of the control center judging whether there is a potential accident area based on the information fed back by the drone during the inspection process includes that the information fed back by the drone is monitored by the function of the drone If the control center determines that the information fed back by the drone is greater than the judging accident interval, the control center determines that the area monitored by the drone is an area where an accident may occur.
- the judging accident interval is specifically the lower limit interval at which the control center can judge the accident according to the information corresponding to the information monitored by the function of the drone, the inspection task, and the external environment, for example: The item corresponding to the information is smoke density, and the inspection task is highway inspection.
- the control center judges whether there is a normal smoke density corresponding to the external environment, the smoke density fed back by the drone, and the influence function P of the inspection task on judging the accident interval.
- the influence function P of the inspection task on the judgment of the accident interval is used to adjust the size of the judgment of the accident interval.
- the judgment process is processed by the drone, and the feedback information received by the control center also includes the judgment result of the drone.
- UAV A is a group of UAVs containing more than one UAV, and the control center needs to judge all UAVs in the vicinity of the monitoring area included in UAV A during the judgment process.
- the feedback information is judged. Setting different judgment intervals for different types of feedback information while using the same judgment method is beneficial to control the judgment results of the method and improve the effectiveness of the task.
- the step of the control center to preliminarily classify the types of accidents that may occur includes the control center determining the possibility based on the monitoring data of UAV A and the monitoring area of UAV A or the geographic location of UAV A. Preliminary classification of the type of accident. Further, the preliminary classification is divided into natural category and daily category. Dispatching drones based on preliminary classification makes the scheduling method more reasonable.
- the control center dispatches the nearest UAV B to the area where the accident may occur according to the preliminary classification of the type of accident that may occur.
- the control center confirms the functions required to accurately determine the accident according to the preliminary classification, and selects the corresponding The drone B.
- the specific method of selecting the corresponding UAV B is that the control center selects the one with the corresponding prefix number and the closest geographic location based on the geographic location, geographic coordinates, or latitude and longitude location of the area where the accident may occur, and based on the functions required to accurately determine the accident.
- the human-machine is one of the drones B, and the drone B is a drone group including one or more drones.
- the selection is a cyclic process, and one drone is selected as the drone B.
- the control center judges whether UAV B has all the functions required for the preliminary classification to confirm the accurate judgment of the accident. If not, the control center will select UAV B in the process of cyclically selecting UAV B until it controls The center judges that UAV B has all the functions required for the preliminary classification confirmation to accurately judge the accident.
- the selection process loop allows UAV B to have more functions.
- the steps for the control center to request UAV A and UAV B to cooperate in re-judgment and precise positioning of the accident include the control center planning and monitoring according to the functions of UAV A and UAV B and the areas where accidents may occur.
- Route the method of planning and monitoring the route is specifically that a drone monitoring function or prefix number corresponds to a flight route.
- the control center After the control center plans the route, it sends the planned route and re-judgment request to drone A and drone B.
- the control center will perform re-judgment and precise positioning based on the information monitored by drones A and B moving along the planned route.
- the control center performs re-judgment and precise positioning based on the information monitored by drones A and B moving along the planned route.
- the steps include: drone A and drone B move and divide points along the planned route. Monitor and analyze the data and send it to the control center.
- the control center locates the accident area according to UAV A and UAV B according to the data after monitoring and analysis along the planned route.
- One step further, let the drones with corresponding monitoring functions or prefix numbers be drones a, b, c, d...n, for drone a, drone a sends to the received control center
- the drone a marks the segmentation points as observation points p 1 , p 2 , p 3 , ...
- UAV a when the drone a moves along the planned route a , UAV a collects data at the position marked with observation point p. If there is an abnormal observation point data, correct the geographic location of the abnormal observation point, and adjust the distance between two observation points adjacent to the abnormal observation point. The route of UAV a is re-planned; if there is no abnormal information collected at all observation points, UAV a uses the cross positioning method to analyze the information collected by UAV a at the observation points.
- the specific process for the UAV a to analyze the information collected by UAV a at the observation point is as follows: Suppose UAV a selects three observation points p 1 , p 2 and p 3 among the observation points for analysis.
- the human-machine a selects the geographic locations of the three observation points p 1 , p 2 and p 3 and any suitable base point to establish a solid rectangular coordinate system, according to the geographic locations of the three observation points p 1 , p 2 and p 3
- the monitored data is used to confirm the interactive area through cross positioning.
- the overlapping parts of all the interactive areas are analyzed to obtain the overlapping three-dimensional area a; b, c, d...n get the overlapping three-dimensional area b, c, d...n through the same processing process.
- UAV A and UAV B get the overlapping three-dimensional area, they send the information of the overlapping three-dimensional area to the control center.
- the overlapping three-dimensional areas a, b, c, d...n are processed to obtain a final overlapping area obtained by overlapping the overlapping three-dimensional areas a, b, c, d...n; furthermore, if the volume of the final overlapping area may exist
- the control center analyzes the final overlap area.
- the threshold is a preset value.
- the step of the control center to analyze the final overlap area includes: Obtain the circumscribed ball o in the final overlapping area.
- the control center adjusts the planned route corresponding to UAV A and B according to the center and radius of the circumscribed sphere.
- the adjustment includes translation and zooming.
- the control center controls UAV A, After the planned route corresponding to B is adjusted, the control center will send the planned route and re-judgment request to drones A and B with corresponding monitoring functions or prefix numbers for processing. If the final volume of the overlapping area is Or if there is a line connecting the two ends within the threshold range, the control center marks the final overlap area as the accident area.
- the cross positioning method is used to locate the accident more accurately.
- the control center sends a confirmation application to UAV A and UAV B.
- drone A and drone B receive the confirmation application, drone A and drone B send a record of the last movement of drone A and drone B along the planned route to the control center.
- the recorded information of the last time the human-machine A and UAV B moved along the planned route confirms the final accident type of the accident.
- the final accident type is a specific accident type, such as: circuit failure, fire, or human collision. It is more accurate to make judgments based on the information monitored when the drone moves along the planned route.
- the control center after the control center requests UAV A and UAV B to cooperate in re-judgment and precise positioning of the accident, the control center also includes the step of detecting whether UAV B has unfinished inspection tasks. If B has a patrol task, the control center cancels drone B to cancel the patrol task, and reassigns the patrol task to drone C without patrol task according to the prefix number of drone B.
- the included drones are those with the same prefix as the drone number contained in drone B, and drone C and drone B contain the same number of drones, and drone C contains The UAV of UAV inherits the inspection task according to the completion degree or the remaining distance of the inspection task of the UAV contained in UAV B. Substituting UAV C for UAV B ensures the timely completion of inspection tasks.
- the steps of the control center planning a processing route according to the final accident type and the accurate accident area include: the control center confirms the nearest free processing end in the accurate accident area according to the final accident type, and after the control center confirms the geographic location of the free processing end, The control center plans the processing route of the idle processing end. Planning the processing route in advance is convenient for the control center to deal with and record the accident.
- the step of the control center recording the processing process of the processing end includes the control center recording the processing process of the accident at the processing end through any drone in the accident area.
- an unmanned aerial vehicle inspection system for a power system includes:
- S220 control center
- the control center includes:
- the processing module is used to number the UAV terminal according to the function of the UAV terminal and allocate inspection tasks according to the number;
- S221 Communication module, used to send inspection tasks to the corresponding UAV terminal;
- the UAV terminal includes:
- Control module used to receive and control the UAV terminal to complete inspection tasks
- Collection module used to collect information and feed it back to the control module
- control module also sends the information collected by the collection module to the communication module when performing the inspection task;
- the communication module is also used to receive the information sent by the control module when the drone terminal performs the inspection task
- the processing module is also used to determine whether there is an area where an accident may occur according to the information received by the communication module;
- the processing module is also used to confirm the UAV terminal required for re-judgment and precise positioning of the accident area according to the judgment result of whether there is an accident area, and plan the route of the UAV terminal for re-judgment and precise positioning. ;
- the communication module is also used to send the planned route to the UAV terminal required for re-judging and precise positioning of the accident area;
- the control module is also used to process the information collected by the collection module when the drone terminal moves along the planned route and send the processing result to the communication module;
- the UAV terminal also includes:
- S211 Mobile module, used to control the drone terminal to move along the planned route
- the processing module is also used for the accurate area and the final type of the accident that occurred in the processing result sent by the control module received by the communication module.
- the processing module numbering the drone terminal according to the function of the drone terminal specifically includes the processing module determining the function of the corresponding drone terminal according to the drone terminal information in the storage module and setting the corresponding The function number is used as the prefix number of the corresponding drone terminal, and the order of the drone terminal in the drone terminal information stored in the storage module is confirmed according to the prefix number and the drone terminal information in the storage module, and the processing The module generates the suffix number of the corresponding drone terminal according to the order of the corresponding drone terminal in the storage module. The prefix number and suffix number of the corresponding drone terminal are combined into the number of the corresponding drone terminal. After the number is generated, the processing module Store the number information in the storage module.
- the processing module numbers the drone terminals according to the functions of the drone terminals and assigns inspection tasks according to the numbers. Specifically, the processing module determines whether to perform the inspection tasks according to the functions required by the inspection tasks. The function of the human-machine terminal and the prefix number, the processing module screens the UAV terminal controlled by the control center according to the prefix number and determines the UAV terminal performing the inspection task according to the sequence of the suffix number.
- the collection module continuously collects monitoring data and sends the data to the control module, and the control module will receive the monitoring data sent by the collection module and the drone The current geographic location of the terminal is sent to the communication module of the control center together.
- the processing module judging whether there is a potential accident area according to the information received by the communication module specifically includes the processing module according to the monitoring data sent by the drone terminal A and the geographic location of the drone terminal A received by the communication module Analyze whether an accident occurs in the monitoring area, and if the processing module determines that the information sent by the UAV terminal A is greater than the judging accident interval, the processing module determines that the area monitored by the UAV terminal A is an area where an accident may occur.
- the judging accident interval is specifically the lower limit interval in which the processing module can judge the accident according to the items corresponding to the information monitored by the function of the drone terminal A, the inspection task, and the external environment.
- the processing module determines the possible occurrence of the accident based on the judgment result of whether there is an accident area, the monitoring data of UAV terminal A, the monitoring area of UAV terminal A, and the geographic location of UAV terminal A.
- Preliminary classification of accident types Furthermore, the preliminary classification is divided into natural category and daily category.
- the processing module determines the preliminary classification of the type of accident that may occur, the processing module confirms the functions required to accurately determine the accident according to the preliminary classification, and selects the corresponding UAV terminal B. Furthermore, after the processing module forms a re-judgment request and sends it to the drone terminal A and the drone terminal B, it includes that the drone terminals A and B receive the re-judgment request containing the planned route sent by the processing module.
- the mobile modules of human-machine terminals A and B move along the planned route and send collection instructions to the collection module.
- UAV terminals A and B collection modules collect the accident area information according to the collection instructions and send the collected information to the control module, control module After processing and recording the collected information, it is sent to the communication module of the control center.
- the processing module locates the accurate accident area through the processed collected information received by the communication module. After the processing module confirms the accurate accident area, the communication module sends a confirmation application to no one
- the control modules of drone terminals A and B, and the control modules of drone terminals A and B send the record confirmation of the last movement of drone terminal A and drone terminal B along the planned route to the communication module, and the processing module receives it according to the communication module.
- the recorded information of the UAV terminal A and B that arrived at the last time along the planned route confirms the final accident type of the accident.
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- 一种用于电力系统的无人机巡检方法,其特征在于,所述方法包括:控制中心对控制中心管控的无人机进行功能分类,根据功能分类对无人机进行编号;控制中心根据无人机的编号分配巡检任务;所述控制中心接收无人机执行巡检任务后所反馈的信息;所述控制中心根据无人机在巡检过程中反馈的信息判断是否存在可能发生事故区域。
- 根据权利要求1所述的一种用于电力系统的无人机巡检方法,其特征在于,所述控制中心根据无人机在巡检过程中反馈的信息判断是否存在可能发生事故区域的步骤后还包括:若控制中心通过无人机A发现可能发生事故区域,则控制中心对可能发生事故类型进行初步分类;控制中心根据可能发生事故类型的初步分类调度最近的无人机B至可能发生事故区域;控制中心请求无人机A与无人机B配合对事故进行再判断和精准定位,控制中心根据无人机A和无人机B反馈的信息得出最终事故类型和准确事故区域。
- 根据权利要求2所述的一种用于电力系统的无人机巡检方法,其特征在于,所述根据无人机A和无人机B反馈的信息得出最终事故类型和准确事故区域的步骤后还包括:控制中心根据最终事故类型和准确事故区域规划处理路线;控制中心请求处理端通过规划的处理路线对事故进行处理。
- 根据权利要求2所述的一种用于电力系统的无人机巡检方法,其特征在于,所述控制中心根据可能发生事故类型的初步分类调度最近的无人机B至可能发生事故区域的步骤后还包括:控制中心检测无人机B是否有未完成的巡检任务;若无人机B有巡检任务,则控制中心取消无人机B取消巡检任务,并根据无人机B前缀编号重新分配巡检任务给无巡检任务的无人机C。
- 根据权利要求3所述的一种用于电力系统的无人机巡检方法,其特征在于,所述控制中心请求无人机A与无人机B配合对事故进行再判断和精准定位,根据无人机A和无人机B反馈的信息得出最终事故类型和准确事故区域的步骤包括:控制中心根据无人机A、B沿规划路线移动所监测到的信息进行再判断和精准定位;所述规划路线为控制中心根据无人机A与无人机B具备的功能或编号以及可能发生事故区域规划的路线。
- 一种用于电力系统的无人机巡检系统,其特征在于,所述用于电力系统的无人机巡检 系统包括控制中心和无人机终端;所述控制中心包括:处理模块,用于根据无人机终端的功能对无人机终端进行编号;通信模块,用于发送巡检任务至对应的无人机终端;所述无人机终端包括:控制模块,用于接收并控制无人机终端完成巡检任务;采集模块,用于采集信息并反馈至控制模块;所述控制模块在执行巡检任务时还将采集模块采集的信息发送至通信模块。
- 根据权利要求6所述的一种用于电力系统的无人机巡检系统,其特征在于,所述通信模块还用于接收无人机终端执行巡检任务时控制模块发送的信息;所述处理模块还用于根据通信模块接收到的信息判断是否存在可能发生事故区域。
- 根据权利要求7所述的一种用于电力系统的无人机巡检系统,其特征在于,所述处理模块还用于根据是否存在可能发生事故区域的判断结果确认对发生事故区域再判断和精准定位所需的无人机终端并对无人机终端进行再判断和精准定位的路线进行规划;所述通信模块还用于发送规划路线至对发生事故区域再判断和精准定位所需的无人机终端;所述控制模块还用于处理无人机终端沿规划路线移动时采集模块采集的信息并将处理结果发送至通信模块;其中,所述无人机终端还包括:移动模块,用于控制无人机终端沿规划路线进行移动;所述处理模块还用于通过通信模块接收到的控制模块发送的处理结果发生事故的准确区域和最终事故类型。
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