Low-altitude aircraft safety management system and method

Abstract

The invention provides a low-altitude aircraft safety management system and method, and relates to the technical field of flight safety, and the system comprises the steps: carrying out the flight pre-safety management of a low-altitude aircraft, detecting the equipment state of the low-altitude aircraft, and evaluating the flight plan of the low-altitude aircraft; constructing a flight safety management model of the low-altitude aircraft, performing analysis evaluation and analysis early warning according to the current flight safety influence factors and the flight data of the low-altitude aircraft, obtaining a current flight risk value of the low-altitude aircraft, and performing real-time safety management on the low-altitude aircraft; when the low-altitude aircraft completes the flight plan, flight data is acquired for data archiving analysis, and the future flight plan of the low-altitude aircraft is optimized; and the flight safety management of the low-altitude aircraft is realized.

Description

Technical Field

[0001] The present invention relates to the field of flight safety technology, and in particular to a low-altitude aircraft safety management system and method. Background Art

[0002] With the development of the low-altitude economy, the application scenarios of low-altitude aircraft are becoming increasingly extensive, and they are widely used in various scenarios such as logistics distribution, manned flight, tourism consumption, emergency rescue, etc.; however, traditional low-altitude aircraft supervision solutions have many safety issues, such as insufficient ground network coverage, data transmission delays, insufficient collision avoidance capabilities, etc., which seriously affect the flight safety of low-altitude aircraft.

[0003] Therefore, the present invention provides a low-altitude aircraft safety management system and method. Summary of the invention

[0004] The present invention provides a low-altitude aircraft safety management system and method, which performs pre-flight safety management on low-altitude aircraft, detects the equipment status of low-altitude aircraft and evaluates the flight plan of low-altitude aircraft; constructs a flight safety management model for low-altitude aircraft, performs analysis and evaluation and analysis and early warning based on current flight safety influencing factors and flight data of low-altitude aircraft, obtains the current flight risk value of low-altitude aircraft, and performs real-time safety management on low-altitude aircraft; when the low-altitude aircraft completes the flight plan, obtains flight data for data archiving and analysis, and optimizes the future flight plan of the low-altitude aircraft; thus, flight safety management of low-altitude aircraft is realized.

[0005] The present invention provides a low-altitude aircraft safety management system, comprising: The flight pre-management module is used to perform flight pre-safety management on low-altitude aircraft, detect the equipment status of low-altitude aircraft, and evaluate the flight plan of low-altitude aircraft; The flight management module is used to build a flight safety management model for low-altitude aircraft, analyze and evaluate the current flight safety influencing factors and the flight data of low-altitude aircraft, analyze and warn, obtain the current flight risk value of low-altitude aircraft, and conduct real-time safety management of low-altitude aircraft; The post-flight management module is used to obtain flight data for data archiving and analysis when the low-altitude aircraft completes its flight plan, so as to optimize the future flight plan of the low-altitude aircraft.

[0006] According to a low-altitude aircraft safety management system provided by the present invention, a flight pre-management module comprises: A flight pre-safety management unit is used to mark a low-altitude aircraft as a pre-flight low-altitude aircraft when there is a flight plan at the current moment, and perform flight pre-safety management on the low-altitude aircraft, wherein the flight pre-safety management includes: equipment status detection safety management and flight plan evaluation safety management; The equipment status detection unit is used to detect the equipment status of the pre-flight low-altitude aircraft. When it is determined that the equipment status is in a normal operating state, it is determined that the equipment status detection safety management of the pre-flight low-altitude aircraft has passed, wherein the equipment status includes: normal operating state, abnormal operating state and fault state; The flight plan evaluation unit is used to obtain the flight plan of the pre-flight low-altitude aircraft and perform a flight plan evaluation. When the flight plan evaluation result shows that the flight plan is qualified, the pre-flight low-altitude aircraft is allowed to perform a take-off operation, wherein the flight plan includes: a preset flight route, a preset flight altitude, a preset flight area, and a preset flight permit.

[0007] According to a low-altitude aircraft safety management system provided by the present invention, a flight plan evaluation unit comprises: The flight area evaluation block is used to evaluate the preset flight area of ​​the pre-flight low-altitude aircraft and obtain the historical flight area. If the preset flight area of ​​the pre-flight low-altitude aircraft coincides with the historical flight area, it is determined that the preset flight area of ​​the pre-flight low-altitude aircraft is known and the flight area evaluation is qualified. If the preset flight area of ​​the pre-flight low-altitude aircraft does not overlap with the historical flight area, it is determined that the preset flight area of ​​the pre-flight low-altitude aircraft is unknown, and possible risk factors of the unknown flight area are obtained to perform flight area assessment, wherein the possible risk factors include: flight obstacle risk factors and flight restricted area risk factors; Determine the risk factors of the restricted flight zone based on the preset flight clearance of the pre-flight low-altitude aircraft; Evaluate unknown flight areas based on flight altitude and flight route; The flight altitude evaluation block is used to obtain the current weather data of the preset flight area, obtain the flyable altitude range of the pre-flight low-altitude aircraft, and evaluate the preset flight altitude; When the preset flight altitude is within the flyable altitude range, the flight altitude assessment is determined to be qualified; When the preset flight altitude is not within the flyable altitude range, the flight altitude assessment is determined to be unqualified, and the preset flight altitude is corrected according to the flyable altitude range; The flight route evaluation block is used to evaluate the preset flight route of the pre-flight low-altitude aircraft. When the preset flight route avoids the risk factors of flight obstacles and the risk factors of flight restricted areas, the flight route evaluation is judged to be qualified; When the flight area evaluation is qualified, the flight altitude evaluation is qualified, and the flight route evaluation is qualified, the flight plan evaluation result is judged to show that the flight plan is qualified.

[0008] According to a low-altitude aircraft safety management system provided by the present invention, a flight management module includes: A data monitoring unit is used to monitor the low-altitude aircraft in real time according to the pre-deployed sensors and positioning equipment when the pre-flight low-altitude aircraft performs a take-off operation, and obtain the flight data of the low-altitude aircraft, wherein the flight data of the low-altitude aircraft includes: flight environment data, flight status data and flight plan data; A data processing unit is used to process the flight data of the low-altitude aircraft and remove noise data and abnormal data; Data features are extracted from the flight data after noise data and abnormal data are removed to obtain the flight data features of low-altitude aircraft.

[0009] According to a low-altitude aircraft safety management system provided by the present invention, a flight management module includes: A model building unit, used to build a flight safety management model for low-altitude aircraft based on historical flight data; An influencing factor unit is used to obtain flight safety influencing factors based on historical flight data, select flight safety influencing factors based on flight data characteristics of low-altitude aircraft, and determine current flight safety influencing factors; The flight safety assessment unit is used to construct a flight safety assessment index system based on current flight safety influencing factors and determine the impact weights of flight safety assessment indicators based on historical flight data; Inputting the flight data of the low-altitude aircraft into the flight safety management model of the low-altitude aircraft, and determining the current initial flight safety value of the low-altitude aircraft according to the flight safety evaluation index system and the impact weight; The flight safety value is divided into a range according to historical flight data to obtain a low flight safety range, a medium flight safety range, and a high flight safety range; The flight area is divided according to the flight nodes in the flight route of the low-altitude aircraft to obtain the flight sub-areas; When the current initial flight safety value corresponding to the flight sub-area is monitored to be in the high flight safety range, the low-altitude aircraft is assessed to be in a safe flight state and no flight safety management is required; When the current initial flight safety value corresponding to the flight sub-area is monitored to be in the low flight safety range, the low-altitude aircraft is assessed to be in a dangerous flight state, the flight route in the flight sub-area is immediately changed, and the flight safety management of the low-altitude aircraft is performed; When it is monitored that the current initial flight safety value corresponding to the flight sub-area is in the medium flight safety range, if the flight sub-area is a known flight area, the positioning node of the positioning device in the flight sub-area is obtained, and the nearest positioning node is selected according to the current flight position of the low-altitude aircraft to analyze and evaluate the low-altitude aircraft; If the flight sub-area is an unknown flight area, the positioning nodes of the positioning equipment in the known adjacent flight areas adjacent to the unknown flight area are obtained, and the positioning nodes closest to the current flight position of the low-altitude aircraft are selected from each adjacent known flight area to analyze and evaluate the low-altitude aircraft; Determine the data transmission delay based on the distance between the positioning node and the low-altitude aircraft; The obstacle avoidance range of the low-altitude aircraft is calibrated and divided according to the flight data of the low-altitude aircraft. When an obstacle appears in the obstacle avoidance range, the distribution of the obstacle in the obstacle avoidance range is obtained according to the positioning node. The obstacle avoidance range includes: low-risk obstacle avoidance range, medium-risk obstacle avoidance range and high-risk obstacle avoidance range; The weight of the impact of each obstacle within the obstacle avoidance range on the flight of the low-altitude aircraft is set, and the current initial flight safety value of the low-altitude aircraft is weighted in combination with the data transmission delay to obtain the current flight risk value of the low-altitude aircraft; ;in, Indicates the current flight risk value of low-altitude aircraft; Indicates the current data transmission delay of low-altitude aircraft; Indicates the number of low-altitude aircraft within the obstacle avoidance range. The weight of the impact of obstacles on the flight of low-altitude aircraft; Indicates The impact weight of each flight safety assessment indicator; Indicates The probability of occurrence of the current flight safety influencing factors corresponding to each flight safety assessment indicator; Indicates the current initial flight safety value of the low-altitude aircraft; Indicates the number of flight safety assessment indicators; Indicates the number of obstacles; Conduct flight safety management for low-altitude aircraft according to the flight safety range of the current flight risk value; The flight safety warning unit is used to set the flight risk value warning threshold according to the historical warning data and the flight risk value. If the current flight risk value is not higher than the low flight risk value warning threshold, it is determined that the low-altitude aircraft is currently in a safe flight state, and no flight safety management is required. No flight risk warning data is generated, and the low-altitude aircraft is subjected to flight safety warning judgment according to the preset warning period; If the current flight risk value is not lower than the high flight risk value warning threshold, the low-altitude aircraft is judged to be in a dangerous flight state, and flight safety management is immediately performed and flight risk warning data is generated synchronously; If the current flight risk value is between the low flight risk value warning threshold and the high flight risk value warning threshold, no flight risk warning data is generated, and a real-time flight safety warning judgment is made for low-altitude aircraft; The safety management unit is used to perform real-time safety management of low-altitude aircraft based on the current flight risk value of the low-altitude aircraft and the flight risk warning data.

[0010] According to a low-altitude aircraft safety management system provided by the present invention, the safety management unit comprises: The automatic safety management block is used to generate safety control instructions based on the current flight risk value of the low-altitude aircraft and the flight risk warning data and send them to the low-altitude aircraft to perform real-time safety management of the low-altitude aircraft. The safety control instructions include: flight area adjustment control instructions, flight altitude adjustment control instructions, and flight route adjustment control instructions; The manual safety management block is used to visualize the current flight risk value and flight risk warning data of the low-altitude aircraft, allowing the user to manually control the low-altitude aircraft based on the current flight risk value and flight risk warning data.

[0011] According to a low-altitude aircraft safety management system provided by the present invention, a post-flight management module comprises: A flight completion determination unit is used to determine that the low-altitude aircraft has completed the flight plan when the low-altitude aircraft is at the end of the flight route and it is monitored that the low-altitude aircraft has stopped operating; A data archiving unit is used to obtain flight data and archive the data according to the flight period when the low-altitude aircraft completes the flight plan; The flight optimization unit is used to obtain the deviation flight plan and optimize the future flight plan of the low-altitude aircraft when the data archiving results show that the actual flight plan of the low-altitude aircraft is inconsistent with the preset flight plan.

[0012] The present invention provides a low-altitude aircraft safety management method, comprising: Step 1: Conduct pre-flight safety management for low-altitude aircraft, detect the equipment status of low-altitude aircraft, and evaluate the flight plan of low-altitude aircraft; Step 2: Construct a flight safety management model for low-altitude aircraft, analyze and evaluate the current flight safety influencing factors and the flight data of low-altitude aircraft, and analyze and warn, obtain the current flight risk value of low-altitude aircraft, and conduct real-time safety management of low-altitude aircraft; Step 3: When the low-altitude aircraft completes the flight plan, obtain the flight data for data archiving and analysis to optimize the future flight plan of the low-altitude aircraft.

[0013] Compared with the prior art, the present invention has the following beneficial effects: Through pre-flight safety management of low-altitude aircraft, the equipment status of low-altitude aircraft is detected and the flight plan of low-altitude aircraft is evaluated; a flight safety management model for low-altitude aircraft is constructed, and analysis and evaluation as well as analysis and early warning are performed based on the current flight safety influencing factors and the flight data of low-altitude aircraft, the current flight risk value of the low-altitude aircraft is obtained, and real-time safety management of low-altitude aircraft is performed; when the low-altitude aircraft completes the flight plan, the flight data is obtained for data archiving and analysis, and the future flight plan of the low-altitude aircraft is optimized; flight safety management of low-altitude aircraft is achieved.

[0014] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0015] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a structural schematic diagram of a low-altitude aircraft safety management system provided by an embodiment of the present invention; Figure 2 It is a flow chart of a low-altitude aircraft safety management method provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0017] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0018] Embodiment 1: The embodiment of the present invention provides a low-altitude aircraft safety management system, such as Figure 1 As shown, including: The flight pre-management module is used to perform flight pre-safety management on low-altitude aircraft, detect the equipment status of low-altitude aircraft, and evaluate the flight plan of low-altitude aircraft; The flight management module is used to build a flight safety management model for low-altitude aircraft, analyze and evaluate the current flight safety influencing factors and the flight data of low-altitude aircraft, analyze and warn, obtain the current flight risk value of low-altitude aircraft, and conduct real-time safety management of low-altitude aircraft; The post-flight management module is used to obtain flight data for data archiving and analysis when the low-altitude aircraft completes its flight plan, so as to optimize the future flight plan of the low-altitude aircraft.

[0019] In this embodiment, the low-altitude aircraft refers to an aircraft that flies at low altitudes in various scenarios such as logistics distribution, manned flight, tourism consumption, emergency rescue, etc.

[0020] In this embodiment, pre-flight safety management refers to the safety management of equipment status detection and flight plan evaluation of pre-flight low-altitude aircraft.

[0021] In this embodiment, the device status includes a normal operating status, an abnormal operating status, and a fault status.

[0022] In this embodiment, the flight plan refers to a plan for the low-altitude aircraft to execute a flight.

[0023] In this embodiment, the flight safety management model refers to a model used for analyzing, evaluating, and analyzing and warning low-altitude aircraft.

[0024] In this embodiment, the current flight safety influencing factors refer to the factors that have an impact on the flight safety of the low-altitude aircraft in the current period, which are determined by selecting the flight safety influencing factors according to the flight data characteristics of the low-altitude aircraft.

[0025] In this embodiment, the flight data refers to the data obtained by real-time monitoring of low-altitude aircraft based on pre-deployed sensors and positioning equipment.

[0026] In this embodiment, analysis and evaluation and analysis and warning refer to the evaluation and warning of the low-altitude aircraft based on the current flight safety influencing factors and the flight data of the low-altitude aircraft.

[0027] In this embodiment, the current flight risk value refers to the current actual flight risk value determined by taking obstacles and data transmission delay into consideration.

[0028] In this embodiment, real-time safety management refers to controlling the low-altitude aircraft according to the current flight risk value of the low-altitude aircraft to ensure the flight safety of the low-altitude aircraft.

[0029] In this embodiment, data archiving and analysis refers to storing and recording the flight data in the low-altitude aircraft's flight plan according to the flight period for subsequent flight optimization. The working principle and beneficial effects of the above technical solution are: through pre-flight safety management of low-altitude aircraft, the equipment status of low-altitude aircraft is detected and the flight plan of low-altitude aircraft is evaluated; a flight safety management model for low-altitude aircraft is constructed, and analysis and evaluation as well as analysis and early warning are performed based on current flight safety influencing factors and flight data of low-altitude aircraft, the current flight risk value of low-altitude aircraft is obtained, and real-time safety management of low-altitude aircraft is performed; when the low-altitude aircraft completes the flight plan, the flight data is obtained for data archiving and analysis, and the future flight plan of the low-altitude aircraft is optimized; flight safety management of low-altitude aircraft is realized.

[0030] Embodiment 2: The embodiment of the present invention provides a low-altitude aircraft safety management system, a flight pre-management module, including: A flight pre-safety management unit is used to mark a low-altitude aircraft as a pre-flight low-altitude aircraft when there is a flight plan at the current moment, and perform flight pre-safety management on the low-altitude aircraft, wherein the flight pre-safety management includes: equipment status detection safety management and flight plan evaluation safety management; The equipment status detection unit is used to detect the equipment status of the pre-flight low-altitude aircraft. When it is determined that the equipment status is in a normal operating state, it is determined that the equipment status detection safety management of the pre-flight low-altitude aircraft has passed, wherein the equipment status includes: normal operating state, abnormal operating state and fault state; The flight plan evaluation unit is used to obtain the flight plan of the pre-flight low-altitude aircraft and perform a flight plan evaluation. When the flight plan evaluation result shows that the flight plan is qualified, the pre-flight low-altitude aircraft is allowed to perform a take-off operation, wherein the flight plan includes: a preset flight route, a preset flight altitude, a preset flight area, and a preset flight permit.

[0031] In this embodiment, the pre-flight low-altitude aircraft refers to a low-altitude aircraft that has a flight plan at the current moment.

[0032] In this embodiment, pre-flight safety management refers to the safety management of equipment status detection and flight plan evaluation of the pre-flight low-altitude aircraft, which is used to ensure the safety of the pre-flight low-altitude aircraft before take-off.

[0033] In this embodiment, the normal operating state refers to an operating state in which the pre-flight low-altitude vehicle can fly, flight monitoring is normal, and flight is controllable.

[0034] In this embodiment, the abnormal operating state refers to an operating state in which the pre-flight low-altitude vehicle can fly but flight monitoring or flight control cannot be effectively performed.

[0035] In this embodiment, the fault state refers to a state in which the pre-flight low-altitude vehicle cannot fly.

[0036] In this embodiment, the flight plan refers to a plan for a pre-flight low-altitude aircraft to take off and execute a flight, including: a preset flight route, a preset flight altitude, a preset flight area, and a preset flight permit.

[0037] In this embodiment, the preset flight permission refers to the permission for whether the pre-flight low-altitude aircraft is allowed to fly in certain areas.

[0038] The working principle and beneficial effects of the above technical solution are: to conduct pre-flight safety management of low-altitude aircraft, detect the equipment status of low-altitude aircraft and evaluate the flight plan of low-altitude aircraft, so as to ensure the safe take-off of low-altitude aircraft.

[0039] Embodiment 3: The embodiment of the present invention provides a low-altitude aircraft safety management system, a flight plan evaluation unit, including: The flight area evaluation block is used to evaluate the preset flight area of ​​the pre-flight low-altitude aircraft and obtain the historical flight area. If the preset flight area of ​​the pre-flight low-altitude aircraft coincides with the historical flight area, it is determined that the preset flight area of ​​the pre-flight low-altitude aircraft is known and the flight area evaluation is qualified. If the preset flight area of ​​the pre-flight low-altitude aircraft does not overlap with the historical flight area, it is determined that the preset flight area of ​​the pre-flight low-altitude aircraft is unknown, and possible risk factors of the unknown flight area are obtained to perform flight area assessment, wherein the possible risk factors include: flight obstacle risk factors and flight restricted area risk factors; Determine the risk factors of the restricted flight zone based on the preset flight clearance of the pre-flight low-altitude aircraft; Evaluate unknown flight areas based on flight altitude and flight route; The flight altitude evaluation block is used to obtain the current weather data of the preset flight area, obtain the flyable altitude range of the pre-flight low-altitude aircraft, and evaluate the preset flight altitude; When the preset flight altitude is within the flyable altitude range, the flight altitude assessment is determined to be qualified; When the preset flight altitude is not within the flyable altitude range, the flight altitude assessment is determined to be unqualified, and the preset flight altitude is corrected according to the flyable altitude range; The flight route evaluation block is used to evaluate the preset flight route of the pre-flight low-altitude aircraft. When the preset flight route avoids the risk factors of flight obstacles and the risk factors of flight restricted areas, the flight route evaluation is judged to be qualified; When the flight area evaluation is qualified, the flight altitude evaluation is qualified, and the flight route evaluation is qualified, the flight plan evaluation result is judged to show that the flight plan is qualified.

[0040] In this embodiment, the preset flight area refers to the area where the pre-flight low-altitude aircraft flies.

[0041] In this embodiment, if the preset flight area of ​​the pre-flight low-altitude aircraft coincides with the historical flight area, that is, the preset flight area is a known flight area, the preset flight area can be safely managed based on the flight data in the historical flight area.

[0042] In this embodiment, the unknown flight area refers to an area where the preset flight area does not overlap with the historical flight area, and safety management cannot be performed based on historical flight data, and other unknown risk factors may exist.

[0043] In this embodiment, the possible risk factors refer to factors that affect the flight plan and flight safety of the pre-flight low-altitude aircraft in the unknown flight area.

[0044] In this embodiment, the flight restricted zone refers to a pre-flight low-altitude flight zone where the preset flight permission is insufficient and flight is not allowed in the area.

[0045] In this embodiment, the flyable altitude range refers to the flight altitude range when the pre-flight low-altitude aircraft is in a safe flight under current weather data.

[0046] The working principle and beneficial effect of the above technical solution are: by evaluating the preset flight area, preset flight permission, preset flight altitude and preset flight route of the pre-flight low-altitude aircraft, the flight safety of the low-altitude aircraft is preliminarily ensured.

[0047] Embodiment 4: The embodiment of the present invention provides a low-altitude aircraft safety management system, a flight management module, including: A data monitoring unit is used to monitor the low-altitude aircraft in real time according to the pre-deployed sensors and positioning equipment when the pre-flight low-altitude aircraft performs a take-off operation, and obtain the flight data of the low-altitude aircraft, wherein the flight data of the low-altitude aircraft includes: flight environment data, flight status data and flight plan data; A data processing unit is used to process the flight data of the low-altitude aircraft and remove noise data and abnormal data; Data features are extracted from the flight data after noise data and abnormal data are removed to obtain the flight data features of low-altitude aircraft.

[0048] In this embodiment, the pre-deployed sensors are deployed inside the low-altitude aircraft to perform real-time monitoring of the low-altitude aircraft.

[0049] In this embodiment, the positioning device refers to a satellite positioning device or a base station positioning device.

[0050] In this embodiment, the flight data feature refers to the data feature obtained by extracting the flight data after removing the noise data and the abnormal data, and is used to simplify the representation of the flight data and improve the efficiency of subsequent data analysis and processing.

[0051] The working principle and beneficial effects of the above technical solution are: through real-time monitoring of low-altitude aircraft, obtaining the flight data of low-altitude aircraft and performing data processing and data feature extraction, a data foundation is laid for subsequent safety management of low-altitude aircraft.

[0052] Embodiment 5: The embodiment of the present invention provides a low-altitude aircraft safety management system, a flight management module, including: A model building unit, used to build a flight safety management model for low-altitude aircraft based on historical flight data; An influencing factor unit is used to obtain flight safety influencing factors based on historical flight data, select flight safety influencing factors based on flight data characteristics of low-altitude aircraft, and determine current flight safety influencing factors; The flight safety assessment unit is used to construct a flight safety assessment index system based on current flight safety influencing factors and determine the impact weights of flight safety assessment indicators based on historical flight data; Inputting the flight data of the low-altitude aircraft into the flight safety management model of the low-altitude aircraft, and determining the current initial flight safety value of the low-altitude aircraft according to the flight safety evaluation index system and the impact weight; The flight safety value is divided into a range according to historical flight data to obtain a low flight safety range, a medium flight safety range, and a high flight safety range; The flight area is divided according to the flight nodes in the flight route of the low-altitude aircraft to obtain the flight sub-areas; When the current initial flight safety value corresponding to the flight sub-area is monitored to be in the high flight safety range, the low-altitude aircraft is assessed to be in a safe flight state and no flight safety management is required; When the current initial flight safety value corresponding to the flight sub-area is monitored to be in the low flight safety range, the low-altitude aircraft is assessed to be in a dangerous flight state, the flight route in the flight sub-area is immediately changed, and the flight safety management of the low-altitude aircraft is performed; When it is monitored that the current initial flight safety value corresponding to the flight sub-area is in the medium flight safety range, if the flight sub-area is a known flight area, the positioning node of the positioning device in the flight sub-area is obtained, and the nearest positioning node is selected according to the current flight position of the low-altitude aircraft to analyze and evaluate the low-altitude aircraft; If the flight sub-area is an unknown flight area, the positioning nodes of the positioning equipment in the known adjacent flight areas adjacent to the unknown flight area are obtained, and the positioning nodes closest to the current flight position of the low-altitude aircraft are selected from each adjacent known flight area to analyze and evaluate the low-altitude aircraft; Determine the data transmission delay based on the distance between the positioning node and the low-altitude aircraft; The obstacle avoidance range of the low-altitude aircraft is calibrated and divided according to the flight data of the low-altitude aircraft. When an obstacle appears in the obstacle avoidance range, the distribution of the obstacle in the obstacle avoidance range is obtained according to the positioning node. The obstacle avoidance range includes: low-risk obstacle avoidance range, medium-risk obstacle avoidance range and high-risk obstacle avoidance range; The weight of the impact of each obstacle within the obstacle avoidance range on the flight of the low-altitude aircraft is set, and the current initial flight safety value of the low-altitude aircraft is weighted in combination with the data transmission delay to obtain the current flight risk value of the low-altitude aircraft; ;in, Indicates the current flight risk value of low-altitude aircraft; Indicates the current data transmission delay of low-altitude aircraft; Indicates the number of low-altitude aircraft within the obstacle avoidance range. The weight of the impact of obstacles on the flight of low-altitude aircraft; Indicates The impact weight of each flight safety assessment indicator; Indicates The probability of occurrence of the current flight safety influencing factors corresponding to each flight safety assessment indicator; Indicates the current initial flight safety value of the low-altitude aircraft; Indicates the number of flight safety assessment indicators; Indicates the number of obstacles; Conduct flight safety management for low-altitude aircraft according to the flight safety range of the current flight risk value; The flight safety warning unit is used to set the flight risk value warning threshold according to the historical warning data and the flight risk value. If the current flight risk value is not higher than the low flight risk value warning threshold, it is determined that the low-altitude aircraft is currently in a safe flight state, and no flight safety management is required. No flight risk warning data is generated, and the low-altitude aircraft is subjected to flight safety warning judgment according to the preset warning period; If the current flight risk value is not lower than the high flight risk value warning threshold, the low-altitude aircraft is judged to be in a dangerous flight state, and flight safety management is immediately performed and flight risk warning data is generated synchronously; If the current flight risk value is between the low flight risk value warning threshold and the high flight risk value warning threshold, no flight risk warning data is generated, and a real-time flight safety warning judgment is made for low-altitude aircraft; The safety management unit is used to perform real-time safety management of low-altitude aircraft based on the current flight risk value of the low-altitude aircraft and the flight risk warning data.

[0053] In this embodiment, the flight safety management model refers to a model used for analyzing, evaluating, and analyzing and warning low-altitude aircraft.

[0054] In this embodiment, the flight safety influencing factors refer to factors that affect the flight safety of low-altitude aircraft, such as weather influencing factors, airflow influencing factors, and equipment influencing factors.

[0055] In this embodiment, the current flight safety influencing factors refer to the factors that have an impact on the flight safety of the low-altitude aircraft in the current period, which are determined by selecting the flight safety influencing factors based on the flight data characteristics of the low-altitude aircraft. The factors are selected for subsequent accurate analysis and improved analysis efficiency.

[0056] In this embodiment, the flight safety assessment index system refers to a system constructed based on current flight safety influencing factors and used to accurately determine the impact of current flight safety influencing factors on the flight safety of low-altitude aircraft.

[0057] In this embodiment, the flight safety assessment index refers to an index used to assess flight safety that is determined based on current flight safety influencing factors.

[0058] In this embodiment, the impact weight of the flight safety assessment indicator refers to the impact ratio of the flight safety assessment indicator to flight safety.

[0059] In this embodiment, the current initial flight safety value refers to the value determined by inputting the flight data of the low-altitude aircraft into the flight safety management model of the low-altitude aircraft according to the flight safety evaluation index system and the impact weight. It is a flight safety value determined without considering emergencies that may occur during the flight of the low-altitude aircraft, wherein emergencies include, for example, the impact of other flight obstacles on flight, weather changes, and plan changes.

[0060] In this embodiment, the low flight safety range refers to the flight safety value range in which the low-altitude aircraft is in a dangerous flight; the medium flight safety range refers to the flight safety value range in which the low-altitude aircraft is in a safe flight but requires flight safety management; the high flight safety range refers to the flight safety value range in which the low-altitude aircraft is in a safe flight and does not require flight safety management.

[0061] In this embodiment, the flight node refers to the node position that the low-altitude aircraft needs to pass through in the flight route, including: an initial flight node, an intermediate flight node, and a terminal flight node.

[0062] In this embodiment, the flight sub-area refers to an area obtained by dividing the flight area according to the flight nodes in the flight route of the low-altitude aircraft, and is used to perform area-by-area and node-by-node analysis on the flight route.

[0063] In this embodiment, the positioning node of the positioning device refers to a node used by the positioning device to perform positioning analysis on the low-altitude aircraft.

[0064] In this embodiment, the nearest positioning node is selected according to the current flight position of the low-altitude aircraft to analyze and evaluate the low-altitude aircraft, so as to reduce data transmission delay and improve positioning accuracy and safety management control accuracy.

[0065] In this embodiment, the positioning node closest to the current flight position of the low-altitude aircraft is selected from each adjacent known flight area to analyze and evaluate the low-altitude aircraft to ensure the accuracy of the analysis and evaluation. For example, if the low-altitude aircraft is in an unknown flight area, the positioning node b1 is selected from the adjacent known flight area a1 and the positioning node b2 is selected from the adjacent known flight area a2 to analyze and evaluate the low-altitude aircraft.

[0066] In this embodiment, the distance refers to the real-time distance between the positioning node and the low-altitude aircraft.

[0067] In this embodiment, the data transmission delay refers to the delay in data transmission between the positioning node and the low-altitude aircraft.

[0068] In this embodiment, the obstacle avoidance range of the low-altitude aircraft refers to the range within which the low-altitude aircraft avoids obstacles. The low-altitude aircraft needs to perform obstacle avoidance processing for obstacles within the obstacle avoidance range.

[0069] In this embodiment, a low-risk obstacle avoidance range refers to a range in which obstacles have little impact on the flight safety of low-altitude aircraft; a medium-risk obstacle avoidance range refers to a range in which obstacles have a medium impact on the flight safety of low-altitude aircraft; and a high-risk obstacle avoidance range refers to a range in which obstacles have a serious impact on the flight safety of low-altitude aircraft.

[0070] In this embodiment, the current flight risk value of the low-altitude aircraft refers to the current actual flight risk value determined by taking obstacles and data transmission delay into consideration.

[0071] In this embodiment, the historical warning data refers to the flight warning data generated by low-altitude aircraft in a historical period.

[0072] In this embodiment, the flight risk value warning threshold refers to the value set based on historical warning data and the flight risk value for determining whether a low-altitude aircraft is in a safe flight based on the current flight risk value, including a low flight risk value warning threshold and a high flight risk value warning threshold.

[0073] In this embodiment, the flight risk warning data refers to the warning data generated according to the current flight risk value of the low-altitude aircraft.

[0074] In this embodiment, the flight status of the low-altitude aircraft includes a safe flight status and a dangerous flight status.

[0075] In this embodiment, the preset warning period refers to the period for making a warning judgment on the flight status of the low-altitude aircraft according to the current flight risk value.

[0076] In this embodiment, the flight safety warning determination refers to making a warning determination on the flight status of the low-altitude aircraft according to the current flight risk value.

[0077] In this embodiment, a flight safety warning determination is performed on the low-altitude aircraft according to a preset warning period, that is, a flight safety warning determination is performed on the low-altitude aircraft regularly.

[0078] In this embodiment, real-time safety management refers to controlling the low-altitude aircraft according to the current flight risk value of the low-altitude aircraft to ensure the flight safety of the low-altitude aircraft.

[0079] The working principle and beneficial effects of the above technical solution are: by constructing a flight safety management model for low-altitude aircraft, analyzing and evaluating as well as analyzing and warning based on current flight safety influencing factors and flight data of low-altitude aircraft, the current flight risk value of the low-altitude aircraft is obtained, thereby realizing flight safety management of low-altitude aircraft.

[0080] Embodiment 6: The embodiment of the present invention provides a low-altitude aircraft safety management system, a safety management unit, including: The automatic safety management block is used to generate safety control instructions based on the current flight risk value of the low-altitude aircraft and the flight risk warning data and send them to the low-altitude aircraft to perform real-time safety management of the low-altitude aircraft. The safety control instructions include: flight area adjustment control instructions, flight altitude adjustment control instructions, and flight route adjustment control instructions; The manual safety management block is used to visualize the current flight risk value and flight risk warning data of the low-altitude aircraft, allowing the user to manually control the low-altitude aircraft based on the current flight risk value and flight risk warning data.

[0081] In this embodiment, the safety control instructions refer to instructions for real-time safety management of low-altitude aircraft, including: flight area adjustment control instructions, flight altitude adjustment control instructions, and flight route adjustment control instructions.

[0082] In this embodiment, a safety control instruction is generated based on the current flight risk value of the low-altitude aircraft and the flight risk warning data. For example, if the current flight risk value of the low-altitude aircraft shows that the low-altitude aircraft is in a dangerous flight, a safety control instruction is immediately generated to perform real-time safety management of the low-altitude aircraft.

[0083] The working principle and beneficial effect of the above technical solution are: through automatic safety management and manual control of low-altitude aircraft, it not only ensures the automatic flight safety management of low-altitude aircraft, but also realizes the manual flight safety management of low-altitude aircraft by users.

[0084] Embodiment 7: The embodiment of the present invention provides a low-altitude aircraft safety management system, a post-flight management module, including: A flight completion determination unit is used to determine that the low-altitude aircraft has completed the flight plan when the low-altitude aircraft is at the end of the flight route and it is monitored that the low-altitude aircraft has stopped operating; A data archiving unit is used to obtain flight data and archive the data according to the flight period when the low-altitude aircraft completes the flight plan; The flight optimization unit is used to obtain the deviation flight plan and optimize the future flight plan of the low-altitude aircraft when the data archiving results show that the actual flight plan of the low-altitude aircraft is inconsistent with the preset flight plan.

[0085] In this embodiment, data archiving refers to storing and recording the flight data in the flight plan of the low-altitude aircraft according to the flight period for subsequent flight optimization.

[0086] In this embodiment, the deviation flight plan refers to a flight plan in which the actual flight plan is inconsistent with the preset flight plan.

[0087] In this embodiment, a deviation flight plan is obtained and a future flight plan of the low-altitude aircraft is optimized. For example, the flight altitude in the future flight plan is optimized or the flight route is optimized according to the deviation flight plan.

[0088] The working principle and beneficial effect of the above technical solution are: by obtaining flight data for data archiving and analysis when the low-altitude aircraft completes the flight plan, the future flight plan of the low-altitude aircraft is optimized, thereby further ensuring the flight safety management of the low-altitude aircraft.

[0089] Embodiment 8: like Figure 2As shown, an embodiment of the present invention provides a low-altitude aircraft safety management method, comprising: Step 1: Conduct pre-flight safety management for low-altitude aircraft, detect the equipment status of low-altitude aircraft, and evaluate the flight plan of low-altitude aircraft; Step 2: Construct a flight safety management model for low-altitude aircraft, analyze and evaluate the current flight safety influencing factors and the flight data of low-altitude aircraft, and analyze and warn, obtain the current flight risk value of low-altitude aircraft, and conduct real-time safety management of low-altitude aircraft; Step 3: When the low-altitude aircraft completes the flight plan, obtain the flight data for data archiving and analysis to optimize the future flight plan of the low-altitude aircraft.

[0090] The working principle and beneficial effects of the above technical solution are: through pre-flight safety management of low-altitude aircraft, the equipment status of low-altitude aircraft is detected and the flight plan of low-altitude aircraft is evaluated; a flight safety management model for low-altitude aircraft is constructed, and analysis and evaluation as well as analysis and early warning are performed based on current flight safety influencing factors and flight data of low-altitude aircraft, the current flight risk value of low-altitude aircraft is obtained, and real-time safety management of low-altitude aircraft is performed; when the low-altitude aircraft completes the flight plan, the flight data is obtained for data archiving and analysis, and the future flight plan of the low-altitude aircraft is optimized; flight safety management of low-altitude aircraft is realized.

[0091] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A low-altitude aircraft safety management system, characterized in that: include: The flight pre-management module is used to perform flight pre-safety management on low-altitude aircraft, detect the equipment status of low-altitude aircraft, and evaluate the flight plan of low-altitude aircraft; The flight management module is used to build a flight safety management model for low-altitude aircraft, analyze and evaluate the current flight safety influencing factors and the flight data of low-altitude aircraft, analyze and warn, obtain the current flight risk value of low-altitude aircraft, and conduct real-time safety management of low-altitude aircraft; The post-flight management module is used to obtain flight data for data archiving and analysis when the low-altitude aircraft completes its flight plan, so as to optimize the future flight plan of the low-altitude aircraft.

2. A low-altitude aircraft safety management system according to claim 1, characterized in that: Flight pre-management module, including: A flight pre-safety management unit is used to mark a low-altitude aircraft as a pre-flight low-altitude aircraft when there is a flight plan at the current moment, and perform flight pre-safety management on the low-altitude aircraft, wherein the flight pre-safety management includes: equipment status detection safety management and flight plan evaluation safety management; The equipment status detection unit is used to detect the equipment status of the pre-flight low-altitude aircraft. When it is determined that the equipment status is in a normal operating state, it is determined that the equipment status detection safety management of the pre-flight low-altitude aircraft has passed, wherein the equipment status includes: normal operating state, abnormal operating state and fault state; The flight plan evaluation unit is used to obtain the flight plan of the pre-flight low-altitude aircraft and perform a flight plan evaluation. When the flight plan evaluation result shows that the flight plan is qualified, the pre-flight low-altitude aircraft is allowed to perform a take-off operation, wherein the flight plan includes: a preset flight route, a preset flight altitude, a preset flight area, and a preset flight permit.

3. A low-altitude aircraft safety management system according to claim 1, characterized in that: Flight Plan Evaluation Unit, including: The flight area evaluation block is used to evaluate the preset flight area of ​​the pre-flight low-altitude aircraft and obtain the historical flight area. If the preset flight area of ​​the pre-flight low-altitude aircraft coincides with the historical flight area, it is determined that the preset flight area of ​​the pre-flight low-altitude aircraft is known and the flight area evaluation is qualified. If the preset flight area of ​​the pre-flight low-altitude aircraft does not overlap with the historical flight area, it is determined that the preset flight area of ​​the pre-flight low-altitude aircraft is unknown, and possible risk factors of the unknown flight area are obtained to perform flight area assessment, wherein the possible risk factors include: flight obstacle risk factors and flight restricted area risk factors; Determine the risk factors of the restricted flight zone based on the preset flight clearance of the pre-flight low-altitude aircraft; Evaluate unknown flight areas based on flight altitude and flight route; The flight altitude evaluation block is used to obtain the current weather data of the preset flight area, obtain the flyable altitude range of the pre-flight low-altitude aircraft, and evaluate the preset flight altitude; When the preset flight altitude is within the flyable altitude range, the flight altitude assessment is determined to be qualified; When the preset flight altitude is not within the flyable altitude range, the flight altitude assessment is determined to be unqualified, and the preset flight altitude is corrected according to the flyable altitude range; The flight route evaluation block is used to evaluate the preset flight route of the pre-flight low-altitude aircraft. When the preset flight route avoids the risk factors of flight obstacles and the risk factors of flight restricted areas, the flight route evaluation is judged to be qualified; When the flight area evaluation is qualified, the flight altitude evaluation is qualified, and the flight route evaluation is qualified, the flight plan evaluation result is judged to show that the flight plan is qualified.

4. A low-altitude aircraft safety management system according to claim 1, characterized in that: Flight management module, including: A data monitoring unit is used to monitor the low-altitude aircraft in real time according to the pre-deployed sensors and positioning equipment when the pre-flight low-altitude aircraft performs a take-off operation, and obtain the flight data of the low-altitude aircraft, wherein the flight data of the low-altitude aircraft includes: flight environment data, flight status data and flight plan data; A data processing unit is used to process the flight data of the low-altitude aircraft and remove noise data and abnormal data; Data features are extracted from the flight data after noise data and abnormal data are removed to obtain the flight data features of low-altitude aircraft.

5. A low-altitude aircraft safety management system according to claim 4, characterized in that: Flight management module, including: A model building unit, used to build a flight safety management model for low-altitude aircraft based on historical flight data; An influencing factor unit is used to obtain flight safety influencing factors based on historical flight data, select flight safety influencing factors based on flight data characteristics of low-altitude aircraft, and determine current flight safety influencing factors; The flight safety assessment unit is used to construct a flight safety assessment index system based on current flight safety influencing factors and determine the impact weights of flight safety assessment indicators based on historical flight data; Inputting the flight data of the low-altitude aircraft into the flight safety management model of the low-altitude aircraft, and determining the current initial flight safety value of the low-altitude aircraft according to the flight safety evaluation index system and the impact weight; The flight safety value is divided into a range according to historical flight data to obtain a low flight safety range, a medium flight safety range, and a high flight safety range; The flight area is divided according to the flight nodes in the flight route of the low-altitude aircraft to obtain the flight sub-areas; When the current initial flight safety value corresponding to the flight sub-area is monitored to be in the high flight safety range, the low-altitude aircraft is assessed to be in a safe flight state and no flight safety management is required; When the current initial flight safety value corresponding to the flight sub-area is monitored to be in the low flight safety range, the low-altitude aircraft is assessed to be in a dangerous flight state, the flight route in the flight sub-area is immediately changed, and the flight safety management of the low-altitude aircraft is performed; When it is monitored that the current initial flight safety value corresponding to the flight sub-area is in the medium flight safety range, if the flight sub-area is a known flight area, the positioning node of the positioning device in the flight sub-area is obtained, and the nearest positioning node is selected according to the current flight position of the low-altitude aircraft to analyze and evaluate the low-altitude aircraft; If the flight sub-area is an unknown flight area, the positioning nodes of the positioning equipment in the known adjacent flight areas adjacent to the unknown flight area are obtained, and the positioning nodes closest to the current flight position of the low-altitude aircraft are selected from each adjacent known flight area to analyze and evaluate the low-altitude aircraft; Determine the data transmission delay based on the distance between the positioning node and the low-altitude aircraft; The obstacle avoidance range of the low-altitude aircraft is calibrated and divided according to the flight data of the low-altitude aircraft. When an obstacle appears in the obstacle avoidance range, the distribution of the obstacle in the obstacle avoidance range is obtained according to the positioning node. The obstacle avoidance range includes: low-risk obstacle avoidance range, medium-risk obstacle avoidance range and high-risk obstacle avoidance range; The weight of the impact of each obstacle within the obstacle avoidance range on the flight of the low-altitude aircraft is set, and the current initial flight safety value of the low-altitude aircraft is weighted in combination with the data transmission delay to obtain the current flight risk value of the low-altitude aircraft; ;in, Indicates the current flight risk value of low-altitude aircraft; Indicates the current data transmission delay of low-altitude aircraft; Indicates the number of low-altitude aircraft within the obstacle avoidance range. The weight of the impact of obstacles on the flight of low-altitude aircraft; Indicates The impact weight of each flight safety assessment indicator; Indicates The probability of occurrence of the current flight safety influencing factors corresponding to each flight safety assessment indicator; Indicates the current initial flight safety value of the low-altitude aircraft; Indicates the number of flight safety assessment indicators; Indicates the number of obstacles; Conduct flight safety management for low-altitude aircraft according to the flight safety range of the current flight risk value; The flight safety warning unit is used to set the flight risk value warning threshold according to the historical warning data and the flight risk value. If the current flight risk value is not higher than the low flight risk value warning threshold, it is determined that the low-altitude aircraft is currently in a safe flight state, and no flight safety management is required. No flight risk warning data is generated, and the low-altitude aircraft is subjected to flight safety warning judgment according to the preset warning period; If the current flight risk value is not lower than the high flight risk value warning threshold, the low-altitude aircraft is judged to be in a dangerous flight state, and flight safety management is immediately performed and flight risk warning data is generated synchronously; If the current flight risk value is between the low flight risk value warning threshold and the high flight risk value warning threshold, no flight risk warning data is generated, and a real-time flight safety warning judgment is made for low-altitude aircraft; The safety management unit is used to perform real-time safety management of low-altitude aircraft based on the current flight risk value of the low-altitude aircraft and the flight risk warning data.

6. A low-altitude aircraft safety management system according to claim 5, characterized in that: Security management unit, including: The automatic safety management block is used to generate safety control instructions based on the current flight risk value of the low-altitude aircraft and the flight risk warning data and send them to the low-altitude aircraft to perform real-time safety management of the low-altitude aircraft. The safety control instructions include: flight area adjustment control instructions, flight altitude adjustment control instructions, and flight route adjustment control instructions; The manual safety management block is used to visualize the current flight risk value and flight risk warning data of the low-altitude aircraft, allowing the user to manually control the low-altitude aircraft based on the current flight risk value and flight risk warning data.

7. A low-altitude aircraft safety management system according to claim 1, characterized in that: Post-flight management module, including: A flight completion determination unit is used to determine that the low-altitude aircraft has completed the flight plan when the low-altitude aircraft is at the end of the flight route and it is monitored that the low-altitude aircraft has stopped operating; A data archiving unit is used to obtain flight data and archive the data according to the flight period when the low-altitude aircraft completes the flight plan; The flight optimization unit is used to obtain the deviation flight plan and optimize the future flight plan of the low-altitude aircraft when the data archiving results show that the actual flight plan of the low-altitude aircraft is inconsistent with the preset flight plan.

8. A low-altitude aircraft safety management method, characterized in that: include: Step 1: Conduct pre-flight safety management for low-altitude aircraft, detect the equipment status of low-altitude aircraft, and evaluate the flight plan of low-altitude aircraft; Step 2: Construct a flight safety management model for low-altitude aircraft, analyze and evaluate the current flight safety influencing factors and the flight data of low-altitude aircraft, and analyze and warn, obtain the current flight risk value of low-altitude aircraft, and conduct real-time safety management of low-altitude aircraft; Step 3: When the low-altitude aircraft completes the flight plan, obtain the flight data for data archiving and analysis to optimize the future flight plan of the low-altitude aircraft.

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