CN110673581A - Unmanned aerial vehicle piston engine remote monitoring health management system - Google Patents
Unmanned aerial vehicle piston engine remote monitoring health management system Download PDFInfo
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- CN110673581A CN110673581A CN201910964251.4A CN201910964251A CN110673581A CN 110673581 A CN110673581 A CN 110673581A CN 201910964251 A CN201910964251 A CN 201910964251A CN 110673581 A CN110673581 A CN 110673581A
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
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- G05B2219/24065—Real time diagnostics
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Abstract
An unmanned aerial vehicle piston engine remote monitoring health management system. The engine monitoring health management system comprises an airborne terminal (11) and a ground engine monitoring health management platform (12), and is characterized in that the airborne terminal is connected with an engine monitoring device (13) and an information transmission device (14), the engine monitoring device is connected with a piston engine electronic control system (17), and the ground engine monitoring health management platform is connected with a cloud service end (15) and a health management terminal (16). The invention is used for the remote monitoring and health management of the piston engine of the unmanned aerial vehicle.
Description
The technical field is as follows:
the invention relates to a remote monitoring health management system for an unmanned aerial vehicle piston engine.
Background art:
with the gradual release of low-altitude airspace control, unmanned aerial vehicles are widely applied in various industries, and the number of unmanned aerial vehicles using piston engines as power is further increased. Unmanned aerial vehicle piston engine demonstrates the characteristics that the activity main part is many and the overall arrangement is dispersed. Most unmanned aerial vehicle user is weak to engine maintenance technique strength, runs into the trouble and hardly gets rid of in time, not only influences unmanned aerial vehicle rate of attendance and economic nature, endangers flight safety moreover.
A traditional mechanical passive oil supply scheme cannot accurately measure fuel oil and air, is very easy to cause an oil-rich phenomenon, cannot ensure that an engine obtains a proper air-fuel ratio under various working conditions and various environmental conditions, cannot realize remote monitoring and health management of the engine, and cannot evaluate and predict the state of a piston engine.
The piston engine system using the electronic control injection can overcome some defects of a carburetor mode, can accurately measure fuel and air, improves fuel economy, but cannot realize remote monitoring and health management of the engine, and cannot evaluate and predict the state of the piston engine.
The invention content is as follows:
the invention aims to provide a remote monitoring health management system for the piston engine of the unmanned aerial vehicle, which can carry out real-time remote monitoring and health management on the piston engine of the unmanned aerial vehicle, realize remote fault diagnosis and health state assessment and prediction and provide a health state report and early warning information.
The above purpose is realized by the following technical scheme:
a remote monitoring health management system for an unmanned aerial vehicle piston engine is composed of an airborne terminal and a ground engine health management platform, wherein the airborne terminal comprises an engine monitoring device and an information transmission device, the engine monitoring device is used for collecting engine state information and upgrading control parameters of an engine electronic controller system, and the information transmission device is used for transmitting the engine state information and the control parameter information; the ground engine health management platform comprises a cloud server and a health management terminal; the cloud server is used for receiving and processing engine state information of the airborne terminal and generating a health assessment report; the health management terminal is used for managing a health assessment report of the piston engine of the unmanned aerial vehicle and giving early warning information or engine control parameter adjustment information according to the report content.
An unmanned aerial vehicle piston engine remote monitoring health management system, engine monitoring device include: the engine information interaction unit, the main control unit, the information transmission interface unit and the information storage unit; the engine information interaction unit is used for collecting the state information of the engine of the unmanned aerial vehicle to the main control unit and sending control parameters to the engine electronic control system; the main control unit is used for receiving the engine state information collected by the engine information interaction unit, preprocessing and storing the engine state information, sending the engine state information to the information transmission interface unit, receiving the control parameters from the information transmission interface unit and upgrading the control parameters of the electronic engine control system; the information transmission interface unit is used for transmitting information between the main control unit and the information transmission device; the information storage unit is used for storing the acquired state information and control parameters of an electronic engine control system from a ground engine health management platform.
The utility model provides an unmanned aerial vehicle piston engine remote monitoring health management system, the engine state information at airborne terminal include: the engine oil circuit state parameter, the gas circuit state parameter, the engine cylinder body temperature parameter, the engine cylinder internal air pressure parameter, the engine rotating speed parameter, the engine ignition system parameter and the engine vibration parameter;
the control parameters of the electronic control system of the engine comprise: the engine fuel injection control parameters and the engine ignition control parameters;
the information transmission device of the airborne terminal comprises: a transceiver processing unit and an antenna; the transceiver processing unit is used for receiving the engine state information from the monitoring device and sending engine control information; the antenna is used for signal transmission and reception of the transceiver processing unit.
The utility model provides an unmanned aerial vehicle piston engine remote monitoring health management system, ground engine health management platform's cloud service end include: the system comprises a background server, a database server, a data processing server and a WEB server, wherein the background server is used by a mobile network and the Internet and is used for receiving and transmitting state information and control parameters of all engines accessed to a ground engine health management platform, storing the received engine state information from an airborne terminal into the database server and sending the control parameters from the data processing server to the airborne terminal; the database server is used for storing the engine state information and the control parameters; the data processing server is used for analyzing the engine state information and then performing fault diagnosis and health state evaluation; the Web server is used for providing the diagnosis conclusion and the health evaluation report of the data processing server for the health management terminal to access.
The utility model provides an unmanned aerial vehicle piston engine remote monitoring health management system, ground engine health management platform's data processing server include: the system comprises a data pre-analysis unit, a fault diagnosis unit and a health evaluation unit; the data pre-analysis unit analyzes the engine state data and combines the historical data to judge whether the engine state is abnormal or not, if so, the engine state information is input into the fault diagnosis unit, and if not, the engine state information is directly input into the health evaluation unit; the fault diagnosis unit carries out fault positioning and fault diagnosis by using the fault diagnosis model and inputs a diagnosis result into the health evaluation unit; if the health evaluation unit receives the data of the fault diagnosis unit, a maintenance suggestion is generated according to the fault information, and a health evaluation report is generated and uploaded to a Web server; and if the engine state information is received, entering a health prediction model, carrying out engine health state evaluation by combining with engine historical data, predicting the service life performance of an engine part, further giving an engine control parameter adjustment suggestion, and generating a report and uploading the report to a Web server.
According to the remote monitoring health management system for the piston engine of the unmanned aerial vehicle, an engine fault model of the ground engine health management platform adopts a fault tree-based reasoning model to carry out evidence reasoning so as to obtain a diagnosis conclusion;
the health prediction model of the ground engine health management platform divides the health condition of the engine into five grades: excellent, good, moderate, passing and failing. The performance of the engine reaches over 90 percent without any adjustment; if the performance is good, the performance of the engine reaches more than 80 percent, and adjustment is not needed; if the engine performance is medium, the engine performance reaches more than 70%, and adjustment is not needed; passing, namely the performance of the engine reaches more than 60%, and the control parameters can be adjusted; if the engine performance is not up to 60%, the engine performance needs to be maintained, and the engine control parameters need to be adjusted;
the health management terminal of the ground engine health management platform is connected with the terminal of the cloud server through the Internet, acquires a health evaluation report from the Web server, and operates according to the content of the health evaluation report; and if the fault report or the performance fails, sending out early warning information and giving out relevant suggestions to relevant personnel of an engine owner.
The unmanned aerial vehicle piston engine remote monitoring health management system comprises an airborne terminal (11) and a ground engine monitoring health management platform (12), wherein the airborne terminal is connected with an engine monitoring device (13) and an information transmission device (14), the engine monitoring device is connected with an electronic control system (17) of the piston engine, and the ground engine monitoring health management platform is connected with a cloud service end (15) and a health management terminal (16).
The utility model provides an unmanned aerial vehicle piston engine remote monitoring health management system, the airborne terminal include main control unit (212), main control unit connect engine information interaction unit (211), information memory cell (213), information transmission interface unit (214).
The remote monitoring health management system for the piston engine of the unmanned aerial vehicle comprises a ground engine monitoring health management platform and a background server (311), wherein the background server is connected with a database server (312), a data processing server (313) and an wed server (314).
Has the advantages that:
1. the invention adopts remote monitoring and health management technology to realize remote monitoring and health management of the engine and remote diagnosis of the occurred fault, thereby reducing the maintenance cost; the health state of the piston engine of the unmanned aerial vehicle is evaluated, and early warning information is provided, so that the fault occurrence rate can be reduced; according to the health state of the engine, the engine control parameters are adjusted, and the performance of the engine can be improved.
The invention adopts remote monitoring and health management technology to realize the remote monitoring of the state of the piston engine of the unmanned aerial vehicle, can carry out remote fault diagnosis, health state evaluation and prediction, provides a health evaluation report and early warning information of the piston engine of the unmanned aerial vehicle, can obtain an engine control parameter adjustment suggestion according to the engine state information, and can complete the remote adjustment of control parameters.
The invention carries out remote diagnosis on the faults, and can reduce the maintenance cost; the health state of the piston engine of the unmanned aerial vehicle is evaluated and predicted, and early warning information is provided, so that the fault occurrence rate can be reduced; according to the health state of the engine, the engine control parameters are adjusted, and the performance of the engine can be improved.
Description of the drawings:
figure 1 is the health management system diagram of this product unmanned aerial vehicle piston engine remote monitoring.
Fig. 2 is a schematic diagram of a monitoring device of an airborne terminal of the unmanned aerial vehicle piston engine.
Fig. 3 is a schematic diagram of a cloud server of the product ground monitoring health management platform.
The specific implementation mode is as follows:
the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
Example 1:
the remote monitoring health management system for the piston engine of the unmanned aerial vehicle comprises an airborne terminal 11 and a ground engine monitoring health management platform 12, wherein the airborne terminal is connected with an engine monitoring device 13 and an information transmission device 14, the engine monitoring device is connected with an electronic control system 17 of the piston engine, and the ground engine monitoring health management platform is connected with a cloud service end 15 and a health management terminal 16.
The onboard terminal comprises a main control unit 212, and the main control unit is connected with an engine information interaction unit 211, an information storage unit 213 and an information transmission interface unit 214.
The ground engine monitoring health management platform comprises a background server 311, and the background server is connected with a database server 312, a data processing server 313 and an wed server 314.
Example 2:
embodiment 1 an unmanned aerial vehicle piston engine remote monitoring health management system, this system comprises machine-mounted terminal and ground engine health management platform. The airborne terminal comprises an engine monitoring device and an information transmission device, wherein the engine monitoring device is used for collecting engine state information and upgrading control parameters of an electronic engine controller system, and the information transmission device is used for transmitting the engine state information and the control parameter information. The ground engine health management platform comprises a cloud service terminal and a health management terminal. The cloud server is used for receiving and processing engine state information of the airborne terminal and generating a health assessment report. The health management terminal is used for managing a health assessment report of the piston engine of the unmanned aerial vehicle and giving early warning information or engine control parameter adjustment information according to the report content.
Example 3:
embodiment 2 a unmanned aerial vehicle piston engine remote monitoring health management system, engine monitoring device include: the engine information interaction unit, the main control unit, the information transmission interface unit and the information storage unit; the engine information interaction unit is used for collecting the state information of the engine of the unmanned aerial vehicle to the main control unit and sending control parameters to the engine electronic control system; the main control unit is used for receiving the engine state information collected by the engine information interaction unit, preprocessing and storing the engine state information, sending the engine state information to the information transmission interface unit, receiving the control parameters from the information transmission interface unit, and upgrading the control parameters of the electronic engine control system to optimize the performance of the engine; the information transmission interface unit is used for transmitting information between the main control unit and the information transmission device; the information storage unit is used for storing the acquired state information and control parameters of an electronic engine control system from a ground engine health management platform.
Example 4:
embodiment 1 a health management system is kept in remote monitoring of unmanned aerial vehicle piston engine, the engine state information of airborne terminal include: the engine oil circuit state parameter, the gas circuit state parameter, the engine cylinder body temperature parameter, the engine cylinder internal air pressure parameter, the engine rotating speed parameter, the engine ignition system parameter and the engine vibration parameter;
the control parameters of the electronic control system of the engine comprise: the engine fuel injection control parameters and the engine ignition control parameters;
the information transmission device of the airborne terminal comprises: a transceiver processing unit and an antenna; the transceiver processing unit is used for receiving the engine state information from the monitoring device and sending engine control information; the antenna is used for signal transmission and reception of the transceiver processing unit.
Example 5:
embodiment 1 an unmanned aerial vehicle piston engine remote monitoring health management system, ground engine health management platform's cloud service end include: the system comprises a background server, a database server, a data processing server and a WEB server which are used for a mobile network and the Internet. The background server used by the mobile network and the internet is used for receiving and transmitting the state information and the control parameters of all engines accessed to the ground engine health management platform, storing the received engine state information from the airborne terminal into the database server, and sending the control parameters from the data processing server to the airborne terminal. The database server is used for storing engine state information and control parameters. And the data processing server is used for analyzing the engine state information and then performing fault diagnosis and health state assessment. The Web server is used for providing the diagnosis conclusion and the health evaluation report of the data processing server for the health management terminal to access.
Example 6:
embodiment 1 a unmanned aerial vehicle piston engine remote monitoring health management system, ground engine health management platform's data processing server include: the system comprises a data pre-analysis unit, a fault diagnosis unit and a health evaluation unit. The data pre-analysis unit analyzes the engine state data and combines the historical data to judge whether the engine state is abnormal or not, if so, the engine state information is input into the fault diagnosis unit, and if not, the engine state information is directly input into the health evaluation unit. And the fault diagnosis unit carries out fault positioning and fault diagnosis by using the fault diagnosis model and inputs the diagnosis result into the health evaluation unit. If the health evaluation unit receives the data of the fault diagnosis unit, a maintenance suggestion is generated according to the fault information, and a health evaluation report is generated and uploaded to a Web server; and if the engine state information is received, entering a health prediction model, carrying out engine health state evaluation by combining with engine historical data, predicting the service life performance of an engine part, further giving an engine control parameter adjustment suggestion, and generating a report and uploading the report to a Web server.
The engine fault model of the ground engine health management platform adopts a fault tree-based reasoning model to carry out evidence reasoning so as to obtain a diagnosis conclusion.
The health prediction model of the ground engine health management platform divides the health condition of the engine into five grades: excellent, good, moderate, passing and failing. And the excellent performance indicates that the performance of the engine reaches over 90 percent without any adjustment. If the performance is good, the performance of the engine reaches more than 80 percent, and adjustment is not needed. And if the engine performance is medium, the engine performance reaches more than 70%, and adjustment is not needed. Passing, the engine performance reaches more than 60%, and the control parameters can be adjusted. If the engine performance is not up to 60%, the engine performance needs to be maintained and the engine control parameters need to be adjusted.
The health management terminal of the ground engine health management platform is a terminal which is connected with a cloud server through the Internet, obtains a health evaluation report from a Web server, and performs corresponding operation according to the content of the health evaluation report. And if the fault report or the performance fails, sending out early warning information and giving out relevant suggestions to relevant personnel of an engine owner.
Example 7:
embodiment 1 a health management system is kept watch on to unmanned aerial vehicle piston engine remote monitoring, as shown in fig. 1, unmanned aerial vehicle piston engine remote monitoring health management system 1 includes: an onboard terminal 11 and a ground engine monitoring health management platform 12. The on-board terminal 11 comprises a monitoring device 13 and an information transmission device 14, wherein the monitoring device 13 is used for acquiring the state information of the piston engine and upgrading the control parameters of an electronic controller system of the engine, and the information transmission device 14 is used for transmitting the state information and the control parameter information of the engine. The ground engine monitoring health management platform 12 comprises a cloud service terminal 15 and a health management terminal 16, the cloud service terminal 15 is used for receiving and processing engine state information of the airborne terminal and generating a health evaluation report, and the health management terminal 16 is used for managing the health evaluation report of the piston engine of the unmanned aerial vehicle and giving early warning information or engine control parameter adjustment information according to report content.
Example 8:
the remote monitoring health management system for the piston engine of the unmanned aerial vehicle in the embodiment 1 is shown in the attached figure 2: the monitoring device 21 includes: the engine information interaction unit 211, the main control unit 212, the information storage unit 213 and the information transmission interface unit 214. The engine information interaction unit 211 performs information interaction with the engine electronic control system in a CAN bus manner, receives engine state information to the main control unit 212, and simultaneously sends control parameters to the engine electronic control system 17. The main control unit 212 is implemented by a microcontroller, and writes the engine status information into the information storage unit 213, and sends the status information to the information transmission interface unit 214. When the main control unit 212 sends the status information to the information transmission interface unit, if the status information is not successfully sent, the status information is read from the information storage unit 213 for retransmission until the status information is successfully sent. The main control unit 212 also receives the engine control parameters from the information transmission interface unit 214 to the engine information interaction unit 212, and when the engine electronic control system 17 receives the control parameters, the control parameters are updated. The information transmission interface unit 214 realizes information interaction with the information transmission device by adopting a serial bus RS485 and is used for sending engine state information and receiving engine control parameter information. The information storage unit 213 is implemented as a NANDFLASH (non-volatile memory) for storing engine status information, and the main control unit 212 reads the status information from the NANDFLASH for supplementary transmission when the information transmission device 14 fails to transmit the status information.
Further, the engine state information includes: the engine ignition system comprises an engine oil circuit state parameter, an engine gas circuit state parameter, an engine cylinder body temperature parameter, an in-cylinder air pressure parameter when the engine runs, an engine rotating speed parameter, an engine ignition system parameter and an engine vibration parameter. The engine state information is obtained from a CAN bus of an electronic control system of the engine.
Further, the control parameters of the electronic engine control system comprise: the engine fuel injection control parameters and the engine ignition control parameters. The control parameters are evaluated by the ground engine monitoring health management platform 12 according to the engine state information and then are sent to an engine electronic control system through the information transmission device 14 and the monitoring device 13.
One embodiment of the information transmission device 14 in an embodiment of the on-board terminal according to the invention is a 4G transmission module. The system comprises a 4G information processing unit and an antenna. The 4G information processing unit carries out digital-to-analog conversion after coding and modulating the information to be sent, and then the information is transmitted through an antenna. At the same time, the signals received by the antenna are subjected to analog-to-digital conversion, demodulation and decoding, and the obtained information is sent to the monitoring device 13.
Example 9:
an unmanned aerial vehicle piston engine remote monitoring health management system of embodiment 1, as shown in fig. 3, cloud service end 31 includes: a background server 311, a database server 312, a data processing server 313 and a WEB server 314. The background server 311 is used by a mobile network and the internet, and is configured to receive and transmit engine state information and control parameters of all ground-based engine health management platforms, store the received engine state data from the onboard terminal in the database server 312, and send the control parameters from the data processing server 313 to the onboard terminal 11. The database server 312 is used to store engine state information and control parameters. The data processing server 313 is used to analyze the engine status information and then perform fault diagnosis and health status assessment. The Web server 314 is used to provide the health management terminal access 16 with the diagnosis conclusion and the health assessment report of the data processing server.
Further, the data processing server 313 includes: the system comprises a data pre-analysis unit, a fault diagnosis unit and a health evaluation unit. The data pre-analysis unit analyzes the engine state data and combines the historical data to judge whether the engine state is abnormal or not, if so, the engine state information is input into the fault diagnosis unit, and if not, the engine state information is directly input into the health evaluation unit. And the fault diagnosis unit carries out fault positioning and fault diagnosis by using the fault diagnosis model and inputs the diagnosis result into the health evaluation unit. If the health evaluation unit receives the data of the fault diagnosis unit, a maintenance suggestion is generated according to the fault information, and a health evaluation report is generated and uploaded to the Web server 314; and if the engine state information is received, entering a health prediction model, performing engine health state evaluation by combining engine historical data, predicting the service life performance of engine parts, giving suggestions for adjusting engine control parameters, and generating a report and uploading the report to the Web server 314.
Further, the engine fault model adopts a reasoning model based on a fault tree to carry out evidence reasoning so as to obtain a diagnosis conclusion.
Further, the health prediction model classifies the health condition of the engine into five grades: excellent, good, moderate, passing and failing. And the excellent performance indicates that the performance of the engine reaches over 90 percent without any adjustment. If the performance is good, the performance of the engine reaches more than 80 percent, and adjustment is not needed. And if the engine performance is medium, the engine performance reaches more than 70%, and adjustment is not needed. Passing, the engine performance reaches more than 60%, and the control parameters can be adjusted. If the engine performance is not up to 60%, the engine performance needs to be maintained and the engine control parameters need to be adjusted.
The health management terminal 16 is a terminal connected with a cloud server through the internet, and is realized by adopting a high-performance computer, and acquires a health evaluation report from a Web server, and performs corresponding operation according to the content of the health evaluation report. And if the fault report or the performance fails, sending out early warning information to give relevant suggestions to related personnel of the engine owner of the unmanned aerial vehicle.
There may be many other ways to implement the system of the present invention, for example, changing the information transmission device of the onboard terminal to 2G,3G,5G or other ways, or changing the medium of the information storage unit in the monitoring device from NAND FLASH to norlpash or the like, or changing the health management terminal from a computer to a mobile terminal such as a mobile phone, tablet or the like that can access the internet. Therefore, the implementation mode of the information transmission device in the invention covers a mobile communication mode, the storage medium of the information storage unit covers a terminal which is not easy to lose due to power failure, and the health management terminal covers a terminal which can access the Internet.
Claims (9)
1. The remote monitoring health management system for the piston engine of the unmanned aerial vehicle is characterized by comprising an airborne terminal and a ground engine health management platform, wherein the airborne terminal comprises an engine monitoring device and an information transmission device, the engine monitoring device is used for collecting engine state information and upgrading control parameters of an electronic controller system of the engine, and the information transmission device is used for transmitting the engine state information and the control parameter information; the ground engine health management platform comprises a cloud server and a health management terminal; the cloud server is used for receiving and processing engine state information of the airborne terminal and generating a health assessment report; the health management terminal is used for managing a health assessment report of the piston engine of the unmanned aerial vehicle and giving early warning information or engine control parameter adjustment information according to the report content.
2. The remote monitoring health management system for the piston engine of the unmanned aerial vehicle as claimed in claim 1, wherein the engine monitoring device comprises: the engine information interaction unit, the main control unit, the information transmission interface unit and the information storage unit; the engine information interaction unit is used for collecting the state information of the engine of the unmanned aerial vehicle to the main control unit and sending control parameters to the engine electronic control system; the main control unit is used for receiving the engine state information collected by the engine information interaction unit, preprocessing and storing the engine state information, sending the engine state information to the information transmission interface unit, receiving the control parameters from the information transmission interface unit and upgrading the control parameters of the electronic engine control system; the information transmission interface unit is used for transmitting information between the main control unit and the information transmission device; the information storage unit is used for storing the acquired state information and control parameters of an electronic engine control system from a ground engine health management platform.
3. The remote monitoring health management system for the piston engine of the unmanned aerial vehicle as claimed in claim 1, wherein the engine state information of the airborne terminal comprises: the engine oil circuit state parameter, the gas circuit state parameter, the engine cylinder body temperature parameter, the engine cylinder internal air pressure parameter, the engine rotating speed parameter, the engine ignition system parameter and the engine vibration parameter;
the control parameters of the electronic control system of the engine comprise: the engine fuel injection control parameters and the engine ignition control parameters;
the information transmission device of the airborne terminal comprises: a transceiver processing unit and an antenna; the transceiver processing unit is used for receiving the engine state information from the monitoring device and sending engine control information; the antenna is used for signal transmission and reception of the transceiver processing unit.
4. The remote monitoring health management system for the piston engine of the unmanned aerial vehicle as claimed in claim 1, wherein the cloud service end of the ground engine health management platform comprises: the system comprises a background server, a database server, a data processing server and a WEB server, wherein the background server is used by a mobile network and the Internet and is used for receiving and transmitting state information and control parameters of all engines accessed to a ground engine health management platform, storing the received engine state information from an airborne terminal into the database server and sending the control parameters from the data processing server to the airborne terminal; the database server is used for storing the engine state information and the control parameters; the data processing server is used for analyzing the engine state information and then performing fault diagnosis and health state evaluation; the Web server is used for providing the diagnosis conclusion and the health evaluation report of the data processing server for the health management terminal to access.
5. The remote monitoring health management system of the piston engine of the unmanned aerial vehicle as claimed in claim 1, wherein the data processing server of the ground engine health management platform comprises: the system comprises a data pre-analysis unit, a fault diagnosis unit and a health evaluation unit; the data pre-analysis unit analyzes the engine state data and combines the historical data to judge whether the engine state is abnormal or not, if so, the engine state information is input into the fault diagnosis unit, and if not, the engine state information is directly input into the health evaluation unit; the fault diagnosis unit carries out fault positioning and fault diagnosis by using the fault diagnosis model and inputs a diagnosis result into the health evaluation unit; if the health evaluation unit receives the data of the fault diagnosis unit, a maintenance suggestion is generated according to the fault information, and a health evaluation report is generated and uploaded to a Web server; and if the engine state information is received, entering a health prediction model, carrying out engine health state evaluation by combining with engine historical data, predicting the service life performance of an engine part, further giving an engine control parameter adjustment suggestion, and generating a report and uploading the report to a Web server.
6. The remote monitoring health management system for the piston engine of the unmanned aerial vehicle as claimed in claim 5, wherein the engine fault model of the ground engine health management platform adopts a fault tree-based reasoning model to perform evidence reasoning so as to obtain a diagnosis conclusion;
the health prediction model of the ground engine health management platform divides the health condition of the engine into five grades: excellent, good, moderate, passing and failing. The performance of the engine reaches over 90 percent without any adjustment; if the performance is good, the performance of the engine reaches more than 80 percent, and adjustment is not needed; if the engine performance is medium, the engine performance reaches more than 70%, and adjustment is not needed; passing, namely the performance of the engine reaches more than 60%, and the control parameters can be adjusted; if the engine performance is not up to 60%, the engine performance needs to be maintained, and the engine control parameters need to be adjusted;
the health management terminal of the ground engine health management platform is connected with the terminal of the cloud server through the Internet, acquires a health evaluation report from the Web server, and operates according to the content of the health evaluation report; and if the fault report or the performance fails, sending out early warning information and giving out relevant suggestions to relevant personnel of an engine owner.
7. The unmanned aerial vehicle piston engine remote monitoring health management system comprises an airborne terminal (11) and a ground engine monitoring health management platform (12), and is characterized in that the airborne terminal is connected with an engine monitoring device (13) and an information transmission device (14), the engine monitoring device is connected with an electronic piston engine control system (17), and the ground engine monitoring health management platform is connected with a cloud service end (15) and a health management terminal (16).
8. The remote monitoring health management system of the piston engine of the unmanned aerial vehicle as claimed in claim 7, wherein the airborne terminal comprises a main control unit (212), and the main control unit is connected with an engine information interaction unit (211), an information storage unit (213) and an information transmission interface unit (214).
9. The remote monitoring health management system of the piston engine of the unmanned aerial vehicle as claimed in claim 8, wherein the ground engine monitoring health management platform comprises a background server (311), and the background server is connected with a database server (312), a data processing server (313) and an wed server (314).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326255A (en) * | 2020-11-02 | 2021-02-05 | 重庆大学 | Engine remote health monitoring system and monitoring method |
| US11650580B2 (en) | 2020-11-19 | 2023-05-16 | Caterpillar Inc. | Monitoring system for engine performance and failure prediction |
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2019
- 2019-10-11 CN CN201910964251.4A patent/CN110673581A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326255A (en) * | 2020-11-02 | 2021-02-05 | 重庆大学 | Engine remote health monitoring system and monitoring method |
| CN112326255B (en) * | 2020-11-02 | 2022-02-18 | 重庆大学 | Engine remote health monitoring system and monitoring method |
| US11650580B2 (en) | 2020-11-19 | 2023-05-16 | Caterpillar Inc. | Monitoring system for engine performance and failure prediction |
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