CN102981497A - Fault diagnosis device and diagnosis method for high-speed train braking system - Google Patents
Fault diagnosis device and diagnosis method for high-speed train braking system Download PDFInfo
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Abstract
The invention discloses a fault diagnosis device and a diagnosis method for a high-speed train braking system in the technical field of train operation control. The method includes acquiring and processing signals of operation states of the high-speed train braking system in real time; then obtaining diagnosis results of the operation states and sending the results to a ground subsystem; and the ground subsystem performing sort management and obtaining comprehensive diagnosis results for decision of maintenance policies. The system comprises a vehicle-mounted subsystem and a ground subsystem, wherein the vehicle-mounted subsystem comprises a sensor, an information pre-processing unit, a self diagnosis unit, a train communication network (TCN), a vehicle-mounted wireless transmission platform and a vehicle-mounted industrial Ethernet; and the ground subsystem comprises a ground wireless data access layer, a ground center analysis layer and a ground center comprehensive maintenance management decision-making layer. The fault diagnosis device and the diagnosis method can diagnose faults of the train braking system efficiently, rapidly and accurately, and a safeguard mechanism is provided for reliable operation of high-speed trains.
Description
Technical field
The invention belongs to the Train Operation Control Technology field, relate in particular to a kind of high-speed train braking system failure diagnosis apparatus and diagnostic method.
Background technology
The integral body that bullet train is served as a displacement that is formed, moves in complex environment, finished to have complicated spatial-temporal distribution characteristic by the complex technology equipment is the networked huge system of a complexity, and in a single day it break down, very harmful.And because the bullet train building block is various, detected parameters is various, the fault type of its generation also is complicated various, comprising: catastrophic failure, cross faults, combined fault and chain type fault etc.And different reasons also may produce same phenomenon of the failure, and these have just caused the fault diagnosis of bullet train and maintenance comparatively difficult.Now, the maintenance of bullet train relies on the experience of person skilled to keep in repair substantially, and existing Fault maintenance system all is at bullet train collection failure message in service, processes in the face of the information that gathers on ground after then waiting vehicle out of service.Therefore, gather exactly high-speed train braking system fault signature, corresponding fault diagnosis system is analyzed and set up on this basis to the fault signature that gathers accurately is the bullet train diagnosis and the main and important content of maintenance, also is ingredient very important in the bullet train operation security simultaneously.The present invention just is being based on above problem, proposes a solution.
Summary of the invention
The object of the invention is to, a kind of high-speed train braking system failure diagnosis apparatus and diagnostic method are provided, in order to improve the security of train operation.
To achieve these goals, the technical scheme of the present invention's proposition is that a kind of high-speed train braking system method for diagnosing faults is characterized in that described method comprises:
Step 1: the simulating signal of sensor Real-time Collection high-speed train braking system running status, and be digital signal with the analog signal conversion that gathers;
Step 2: the information pretreatment unit amplifies with filtering the digital signal of conversion to be processed, and the digital data transmission after will processing is to self-diagnosis unit switches and onboard wireless transmission platform;
Step 3: thus self-diagnosis unit switches is carried out the running status diagnostic result that analysis-by-synthesis obtains brake system according to the digital signal after processing, and diagnostic result is sent to the onboard wireless transmission platform;
Step 4: the diagnostic result that the digital signal after the onboard wireless transmission platform is processed the information pretreatment unit and self-diagnosis unit switches obtain is sent to ground subsystem;
Step 5: terrestrial wireless data access layer receives the diagnostic result that digital signal after the processing that the onboard wireless transmission platform sends and self-diagnosis unit switches obtain, and it is carried out Classification Management, so that the later stage inquiry; Simultaneously, the diagnostic result that the digital signal after processing and self-diagnosis unit switches is obtained is sent to center, ground analysis layer;
Step 6: center, ground analysis layer carries out analysis-by-synthesis, thereby obtains the comprehensive diagnos result and be sent to center, ground integrated maintenance management decision layer according to the diagnostic result that the digital signal after processing and self-diagnosis unit switches obtain;
Step 7: center, ground integrated maintenance management decision layer: the comprehensive diagnos result is saved to database, for formulating maintenance policy.
A kind of high-speed train braking system failure diagnosis apparatus, comprise onboard subsystem and ground subsystem, it is characterized in that described onboard subsystem comprises sensor, information pretreatment unit, self-diagnosis unit switches, TCN TCN, onboard wireless transmission platform and vehicle-mounted Industrial Ethernet network;
Described sensor links to each other with the information pretreatment unit by TCN TCN;
Described information pretreatment unit links to each other with the onboard wireless transmission platform by vehicle-mounted Industrial Ethernet network respectively with self-diagnosis unit switches;
Described sensor is used for the simulating signal of Real-time Collection high-speed train braking system running status, and is digital signal with the analog signal conversion that gathers;
Described information pretreatment unit is used for the digital signal of conversion is amplified and the filtering processing, and the digital data transmission after will processing is to self-diagnosis unit switches and onboard wireless transmission platform;
Thereby described self-diagnosis unit switches is carried out the running status diagnostic result that analysis-by-synthesis obtains brake system according to the digital signal after processing, and diagnostic result is sent to the onboard wireless transmission platform;
The diagnostic result that digital signal after described onboard wireless transmission platform is used for the information pretreatment unit processed and self-diagnosis unit switches obtain is sent to ground subsystem;
Described ground subsystem is comprised of the terrestrial wireless data access layer that is linked in sequence by data transmission network, center, ground analysis layer and center, ground integrated maintenance management decision layer;
Described terrestrial wireless data access layer be used for to receive the diagnostic result that digital signal after the processing that the onboard wireless transmission platform sends and self-diagnosis unit switches obtain, and it is carried out Classification Management, so that the later stage inquiry; The diagnostic result that digital signal after also being used for processing and self-diagnosis unit switches obtain is sent to center, ground analysis layer;
Center, described ground analysis layer is used for the diagnostic result that obtains according to the digital signal after processing and self-diagnosis unit switches, carries out analysis-by-synthesis, thereby obtains the comprehensive diagnos result and be sent to center, ground integrated maintenance management decision layer;
Integrated maintenance management decision layer in center, described ground is used for the comprehensive diagnos result is saved to database, for formulating maintenance policy.
The present invention has realized the fast automatic diagnosis of high-speed train braking system fault, has improved the security of train operation.
Description of drawings
Fig. 1 is high-speed train braking system failure diagnosis apparatus structural drawing;
Fig. 2 is the onboard subsystem structural drawing;
Fig. 3 is the ground subsystem structural drawing;
Fig. 4 is main monitoring point monitor signal, physical quantity and output synoptic diagram;
Fig. 5 is the brake system monitor schematic diagram;
Fig. 6 is fault diagnostic device installation site and quantity synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment is elaborated.Should be emphasized that following explanation only is exemplary, rather than in order to limit the scope of the invention and to use.
Method provided by the invention comprises:
Step 1: the simulating signal of sensor Real-time Collection high-speed train braking system running status, and be digital signal with the analog signal conversion that gathers;
Step 2: the information pretreatment unit amplifies with filtering the digital signal of conversion to be processed, and the digital data transmission after will processing is to self-diagnosis unit switches and onboard wireless transmission platform;
Step 3: thus self-diagnosis unit switches is carried out the running status diagnostic result that analysis-by-synthesis obtains brake system according to the digital signal after processing, and diagnostic result is sent to the onboard wireless transmission platform;
Step 4: the diagnostic result that the digital signal after the onboard wireless transmission platform is processed the information pretreatment unit and self-diagnosis unit switches obtain is sent to ground subsystem;
Step 5: terrestrial wireless data access layer receives the diagnostic result that digital signal after the processing that the onboard wireless transmission platform sends and self-diagnosis unit switches obtain, and it is carried out Classification Management, so that the later stage inquiry; Simultaneously, the diagnostic result that the digital signal after processing and self-diagnosis unit switches is obtained is sent to center, ground analysis layer;
Step 6: center, ground analysis layer carries out analysis-by-synthesis, thereby obtains the comprehensive diagnos result and be sent to center, ground integrated maintenance management decision layer according to the diagnostic result that the digital signal after processing and self-diagnosis unit switches obtain;
Step 7: center, ground integrated maintenance management decision layer: the comprehensive diagnos result is saved to database, for formulating maintenance policy.
Fig. 1 is high-speed train braking system failure diagnosis apparatus structural drawing.As shown in Figure 1, a kind of high-speed train braking system failure diagnosis apparatus comprises onboard subsystem and ground subsystem.
Fig. 2 is the onboard subsystem structural drawing.As shown in Figure 2, onboard subsystem comprises sensor, information pretreatment unit, self-diagnosis unit switches, TCN TCN, onboard wireless transmission platform and vehicle-mounted Industrial Ethernet network.Wherein, sensor links to each other with the information pretreatment unit by TCN TCN, and the information pretreatment unit links to each other with the onboard wireless transmission platform by vehicle-mounted Industrial Ethernet network respectively with self-diagnosis unit switches.
Sensor is used for the simulating signal of Real-time Collection high-speed train braking system running status, and is digital signal with the analog signal conversion that gathers.
The information pretreatment unit is used for the digital signal of conversion is amplified and the filtering processing, and the digital data transmission after will processing is to self-diagnosis unit switches and onboard wireless transmission platform;
Thereby self-diagnosis unit switches is carried out the running status diagnostic result that analysis-by-synthesis obtains brake system according to the digital signal after processing, and diagnostic result is sent to the onboard wireless transmission platform.
The diagnostic result that digital signal after the onboard wireless transmission platform is used for the information pretreatment unit processed and self-diagnosis unit switches obtain is sent to ground subsystem.
Fig. 3 is the ground subsystem structural drawing.As shown in Figure 3, ground subsystem is comprised of the terrestrial wireless data access layer that is linked in sequence by data transmission network, center, ground analysis layer and center, ground integrated maintenance management decision layer.
Terrestrial wireless data access layer be used for to receive the diagnostic result that digital signal after the processing that the onboard wireless transmission platform sends and self-diagnosis unit switches obtain, and it is carried out Classification Management, so that the later stage inquiry; The diagnostic result that digital signal after also being used for processing and self-diagnosis unit switches obtain is sent to center, ground analysis layer.Terrestrial wireless data access layer can comprise data management server and maintenance management equipment etc.
Center, ground analysis layer is used for the diagnostic result that obtains according to the digital signal after processing and self-diagnosis unit switches, carries out analysis-by-synthesis, thereby obtains the comprehensive diagnos result and be sent to center, ground integrated maintenance management decision layer.Center, ground analysis layer can comprise data analysis and processing server, central station, ground and maintenance management equipment etc.
Integrated maintenance management decision layer in center, ground is used for the comprehensive diagnos result is saved to database, for formulating maintenance policy.Center, ground integrated maintenance management decision layer can comprise, center, ground historical data management equipment, high-speed train braking system diagnostic device, vehicle-state display device and maintenance management equipment etc.
Fig. 4 is main monitoring point monitor signal, physical quantity and output synoptic diagram.Fig. 4 has provided the main monitoring point signal of high-speed train braking fault diagnosis system, monitoring physical quantity and sensor output.
Fig. 5 is the brake system monitor schematic diagram.As shown in Figure 5, the attainable function in monitoring point:
1) monitors total wind pressure, analyze air compressor machine air feed situation.
2) the urgent electromagnetic valve work state of monitoring, prediction, analysis emergency valve behaviour in service.
3) brake monitoring system valve class action response situation is analyzed brake system valve class duty.
4) monitoring axle speed information, analysis speed working sensor state.
5) monitoring foundation brake brake clearance, analysis foundation clamping device mechanical property and response.
6) brake monitoring steering logic, analysis and Control system in case of system halt, fault etc.
7) brake monitoring level information is analyzed the train-line failure condition.
8) monitoring rising bow module solenoid valve action situation.
9) the monitoring parking brake applies, alleviates the characteristics such as work functions and consistance.
10) the empty spring pressure of monitoring is analyzed weight information.
Fig. 6 is fault diagnostic device installation site and quantity synoptic diagram.Fig. 6 has provided system equipment installation site and quantity.
The above; only for the better embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (2)
1. high-speed train braking system method for diagnosing faults is characterized in that described method comprises:
Step 1: the simulating signal of sensor Real-time Collection high-speed train braking system running status, and be digital signal with the analog signal conversion that gathers;
Step 2: the information pretreatment unit amplifies with filtering the digital signal of conversion to be processed, and the digital data transmission after will processing is to self-diagnosis unit switches and onboard wireless transmission platform;
Step 3: thus self-diagnosis unit switches is carried out the running status diagnostic result that analysis-by-synthesis obtains brake system according to the digital signal after processing, and diagnostic result is sent to the onboard wireless transmission platform;
Step 4: the diagnostic result that the digital signal after the onboard wireless transmission platform is processed the information pretreatment unit and self-diagnosis unit switches obtain is sent to ground subsystem;
Step 5: terrestrial wireless data access layer receives the diagnostic result that digital signal after the processing that the onboard wireless transmission platform sends and self-diagnosis unit switches obtain, and it is carried out Classification Management, so that the later stage inquiry; Simultaneously, the diagnostic result that the digital signal after processing and self-diagnosis unit switches is obtained is sent to center, ground analysis layer;
Step 6: center, ground analysis layer carries out analysis-by-synthesis, thereby obtains the comprehensive diagnos result and be sent to center, ground integrated maintenance management decision layer according to the diagnostic result that the digital signal after processing and self-diagnosis unit switches obtain;
Step 7: center, ground integrated maintenance management decision layer: the comprehensive diagnos result is saved to database, for formulating maintenance policy.
2. high-speed train braking system failure diagnosis apparatus, comprise onboard subsystem and ground subsystem, it is characterized in that described onboard subsystem comprises sensor, information pretreatment unit, self-diagnosis unit switches, TCN TCN, onboard wireless transmission platform and vehicle-mounted Industrial Ethernet network;
Described sensor links to each other with the information pretreatment unit by TCN TCN;
Described information pretreatment unit links to each other with the onboard wireless transmission platform by vehicle-mounted Industrial Ethernet network respectively with self-diagnosis unit switches;
Described sensor is used for the simulating signal of Real-time Collection high-speed train braking system running status, and is digital signal with the analog signal conversion that gathers;
Described information pretreatment unit is used for the digital signal of conversion is amplified and the filtering processing, and the digital data transmission after will processing is to self-diagnosis unit switches and onboard wireless transmission platform;
Thereby described self-diagnosis unit switches is carried out the running status diagnostic result that analysis-by-synthesis obtains brake system according to the digital signal after processing, and diagnostic result is sent to the onboard wireless transmission platform;
The diagnostic result that digital signal after described onboard wireless transmission platform is used for the information pretreatment unit processed and self-diagnosis unit switches obtain is sent to ground subsystem;
Described ground subsystem is comprised of the terrestrial wireless data access layer that is linked in sequence by data transmission network, center, ground analysis layer and center, ground integrated maintenance management decision layer;
Described terrestrial wireless data access layer be used for to receive the diagnostic result that digital signal after the processing that the onboard wireless transmission platform sends and self-diagnosis unit switches obtain, and it is carried out Classification Management, so that the later stage inquiry; The diagnostic result that digital signal after also being used for processing and self-diagnosis unit switches obtain is sent to center, ground analysis layer;
Center, described ground analysis layer is used for the diagnostic result that obtains according to the digital signal after processing and self-diagnosis unit switches, carries out analysis-by-synthesis, thereby obtains the comprehensive diagnos result and be sent to center, ground integrated maintenance management decision layer;
Integrated maintenance management decision layer in center, described ground is used for the comprehensive diagnos result is saved to database, for formulating maintenance policy.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103809586A (en) * | 2014-02-21 | 2014-05-21 | 北京六捷科技有限公司 | Fault analyzing and diagnosing system and method of railway dispatching orders |
| CN105172830A (en) * | 2015-08-31 | 2015-12-23 | 南车株洲电力机车有限公司 | Warning method and system for locomotive brake system |
| CN105759777A (en) * | 2014-12-15 | 2016-07-13 | 中车大连电力牵引研发中心有限公司 | Electric locomotive fault processing system and method |
| CN105946893A (en) * | 2016-06-13 | 2016-09-21 | 眉山中车制动科技股份有限公司 | Train accident emergency monitoring system |
| CN106515745A (en) * | 2016-12-22 | 2017-03-22 | 上海巽晔计算机科技有限公司 | Control system for automatic drive train and platform |
| CN106840714A (en) * | 2016-12-21 | 2017-06-13 | 吴中区穹窿山倪源交通器材经营部 | A kind of intelligent failure diagnosis method for high ferro |
| CN107423824A (en) * | 2017-04-21 | 2017-12-01 | 中车大连电力牵引研发中心有限公司 | Train radio attending device, system and server |
| CN107589695A (en) * | 2017-09-12 | 2018-01-16 | 中国中车股份有限公司 | A kind of train groups prognostic and health management system |
| CN108667703A (en) * | 2017-03-29 | 2018-10-16 | 比亚迪股份有限公司 | Information transferring method, device in vehicle-mounted broadcasting subsystem and computer equipment |
| CN109343425A (en) * | 2018-11-20 | 2019-02-15 | 中车大连电力牵引研发中心有限公司 | Intelligent train monitoring system based on Internet of Things |
| CN110392359A (en) * | 2018-04-17 | 2019-10-29 | 江苏必得科技股份有限公司 | Vehicle ground LTE communication system for the transmission of train part damage data |
| CN111830927A (en) * | 2019-04-23 | 2020-10-27 | 中车大连电力牵引研发中心有限公司 | Vehicle fault monitoring method and device and vehicle-mounted diagnosis equipment |
| CN112660094A (en) * | 2019-10-15 | 2021-04-16 | 北京昊鹏智能技术有限公司 | Method and device for detecting state of train braking system |
| CN113465953A (en) * | 2021-07-26 | 2021-10-01 | 北京交通大学 | Fault prediction and health management device for motor train unit transmission system and using method thereof |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103809586A (en) * | 2014-02-21 | 2014-05-21 | 北京六捷科技有限公司 | Fault analyzing and diagnosing system and method of railway dispatching orders |
| CN105759777B (en) * | 2014-12-15 | 2018-08-24 | 中车大连电力牵引研发中心有限公司 | Fault of electric locomotive processing system and method |
| CN105759777A (en) * | 2014-12-15 | 2016-07-13 | 中车大连电力牵引研发中心有限公司 | Electric locomotive fault processing system and method |
| CN105172830A (en) * | 2015-08-31 | 2015-12-23 | 南车株洲电力机车有限公司 | Warning method and system for locomotive brake system |
| CN105946893A (en) * | 2016-06-13 | 2016-09-21 | 眉山中车制动科技股份有限公司 | Train accident emergency monitoring system |
| CN106840714A (en) * | 2016-12-21 | 2017-06-13 | 吴中区穹窿山倪源交通器材经营部 | A kind of intelligent failure diagnosis method for high ferro |
| CN106515745A (en) * | 2016-12-22 | 2017-03-22 | 上海巽晔计算机科技有限公司 | Control system for automatic drive train and platform |
| CN108667703A (en) * | 2017-03-29 | 2018-10-16 | 比亚迪股份有限公司 | Information transferring method, device in vehicle-mounted broadcasting subsystem and computer equipment |
| CN108667703B (en) * | 2017-03-29 | 2020-06-19 | 比亚迪股份有限公司 | Information transmission method and device in vehicle-mounted broadcasting subsystem and computer equipment |
| CN107423824A (en) * | 2017-04-21 | 2017-12-01 | 中车大连电力牵引研发中心有限公司 | Train radio attending device, system and server |
| CN107423824B (en) * | 2017-04-21 | 2023-10-24 | 中车大连电力牵引研发中心有限公司 | Train wireless maintenance device, system and server |
| CN107589695A (en) * | 2017-09-12 | 2018-01-16 | 中国中车股份有限公司 | A kind of train groups prognostic and health management system |
| CN110392359A (en) * | 2018-04-17 | 2019-10-29 | 江苏必得科技股份有限公司 | Vehicle ground LTE communication system for the transmission of train part damage data |
| CN109343425A (en) * | 2018-11-20 | 2019-02-15 | 中车大连电力牵引研发中心有限公司 | Intelligent train monitoring system based on Internet of Things |
| CN111830927A (en) * | 2019-04-23 | 2020-10-27 | 中车大连电力牵引研发中心有限公司 | Vehicle fault monitoring method and device and vehicle-mounted diagnosis equipment |
| CN112660094A (en) * | 2019-10-15 | 2021-04-16 | 北京昊鹏智能技术有限公司 | Method and device for detecting state of train braking system |
| CN112660094B (en) * | 2019-10-15 | 2022-12-13 | 北京昊鹏智能技术有限公司 | Method and device for detecting state of train braking system |
| CN113465953A (en) * | 2021-07-26 | 2021-10-01 | 北京交通大学 | Fault prediction and health management device for motor train unit transmission system and using method thereof |
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