CN102874280A - Train speed limitation control method based on train network system - Google Patents
Train speed limitation control method based on train network system Download PDFInfo
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- CN102874280A CN102874280A CN201210353098XA CN201210353098A CN102874280A CN 102874280 A CN102874280 A CN 102874280A CN 201210353098X A CN201210353098X A CN 201210353098XA CN 201210353098 A CN201210353098 A CN 201210353098A CN 102874280 A CN102874280 A CN 102874280A
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Abstract
The invention relates to a train speed limitation control method based on a train network system. According to the method, an air braking system and a traction system can send the respective states and fault information of the air braking system and the traction system to a TCMS (Train Control and Management System), the TCMS works out loss (fault) condition of air braking and electric braking through comprehensive analysis, so as to judge the highest speed limit of a train and execute speed limitation in the following two manners: the TCMS sends a speed limitation instruction to a traction control unit through a network bus, and when the traction control unit detects a network bus signal indicating that speed limitation is in need, a corresponding speed limitation mode is carried out to ensure that the train is not overspeed; the TCMS sends a speed limitation mode to be executed to a driver display screen to be displayed so as to mind a driver, and then the driver operates a driver master controller to enter into a corresponding speed limitation mode. The train speed limitation control method is based on the train network control system and has the advantages that speed limitation grades and speed limitation values at all grades can be adjusted according to project characteristics, so the train speed limitation control system has very strong portability and expandability.
Description
Technical field
The present invention relates to a kind of train speed limit control method based on the train network system.
Background technology
Brake equipment is to guarantee the requisite device of safe train operation.The braking force source of subway train mainly contains the air brake equipment of each car setting, the electric braking device that the tractor equipment on the motor-car provides.The interior parking of distance of only having enough operating trains of braking force guarantee to slow down on demand or stipulating.Therefore, if the braking force loss has occured, train need to enter corresponding speed limit pattern, is in the safe operation state to guarantee train.
The speed limit command source of subway train mainly is the speed limit mode instruction of driver's master controller at present.The speed limit pattern of driver's master controller mainly contains: forward speed limit (RMF, speed limit 25km/h), carwash pattern (WM, speed limit 3km/h), speed limit (RMR, speed limit 10km/h) etc. backward.The speed limit mode instruction of driver's master controller mainly sends by the train rigid line, is sent to all traction control unit (PCE).When train air brake equipment, tractor equipment (electric braking) et out of order, coherent signal can show that the driver determines the speed limit pattern and carries out manual speed limit according to failure message and associative operation rules again at driver's read-out (DDU).Manually speed limit is had relatively high expectations to the driver driving proficiency, and the speed limit effect is undesirable.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the above-mentioned deficiency of prior art, and a kind of train speed limit control method based on the train network system is provided.
In order to solve above technical matters, train speed limit control method based on the train network system provided by the invention, it is characterized in that: the network system Central Processing Unit (CPU) receives state and the breakdown signal from all Pneumatic brake systems, judge that whether vehicle air brake fault, and calculate the number of vehicles X of air brake fault; Train network system Central Processing Unit (CPU) receives state and the breakdown signal from all traction systems, judge that whether this vehicle electrical brake fault, and the motor-car quantity Y of calculating electric braking fault, the train speed limit grade Rule of judgment of M motor-car N trailer marshalling is as follows:
When X=0 and Y/M＜0.5, train is speed limit not;
When X/ (M+N) 〉=0.8, train network system Central Processing Unit (CPU) sends the rescue instruction to driver's read-out, and the prompting driver carries out rescue operation;
When X/ (M+N) 〉=0.5, perhaps when Y/M=1 and X/ (M+N) 〉=0.25, train network system Central Processing Unit (CPU) sends 2 instructions of speed limit grade to driver's read-out, and prompting driver control driver master controller enters corresponding speed limit pattern;
When above-mentioned condition does not satisfy, train network system Central Processing Unit (CPU) is sent to driver's read-out with 1 instruction of speed limit grade, the prompting driver is sent to the traction control unit simultaneously and with 1 instruction of speed limit grade, and corresponding speed limit pattern is carried out according to the speed limit instruction that receives in the traction control unit.
The present invention further improves and is:
(1) if train network system Central Processing Unit (CPU) sends 1 instruction of speed limit grade, train network system Central Processing Unit (CPU) reads the speed limit instruction mode of traction control unit feedback, when the state of feedback with send instruction when inconsistent, show the failure of screen display speed limit grade 1 instruction request the driver.
(2) if train network system Central Processing Unit (CPU) sends 2 instructions of speed limit grade, if instruction is sent train network system after 5-10 minute and detected the velocity amplitude that train speed surpasses speed limit grade 2 correspondences so, then show the failure of screen display speed limit grade 2 instruction request the driver.
(3), when automobile storage during at vehicle air braking isolation, bogie truck air brake isolation, the fault that causes the vehicle braking force loss, train network system and brak control unit communication failure, judge this car air-making power loss, illustrate that the air brake fault has occured vehicle.
(4), when, the fault that cause vehicle electrical brake loss unavailable at electric braking when automobile storage, train network system and traction control unit communications fault, judge this car electric braking force loss, illustrate that the electric braking fault has occured vehicle.
(5), when the traction control unit receives when surpassing a kind of speed limit instruction, then according to carrying out to low priority from height, described rescue instruction has precedence over 2 instructions of speed limit grade, described speed limit grade 2 instructions have precedence in 1 instruction of speed limit grade.
It sends to TCMS by Pneumatic brake systems, traction system with separately state and failure message Control for Speed Limitation scheme of the present invention, the TCMS comprehensive analyses draws loss (fault) situation of air brake and electric braking, judge the Maximum speed limit that train should be implemented, and carry out speed limit: TCMS by following dual mode and by network-bus the speed limit instruction is sent to the traction control unit, when the traction control unit inspection needs speed limit to the network-bus signal designation, then carry out corresponding speed limit pattern, guarantee that train does not exceed the speed limit; The speed limit pattern that TCMS will need to carry out sends to the demonstration of driver's read-out, points out the driver, and enters corresponding speed limit pattern by driver control driver master controller.
The present invention utilizes advanced networked control system of the train technology, effectively combine the control of train rigid line and network control technology, draw the Maximum speed limit of train by the computational analysis of train network system, and directly carry out speed limit by tractor equipment, or carry out speed limit by driver operation, can more effectively guarantee the implementation effect of train speed limit, reduce the man's activity that the speed limit instruction is subject to.The present invention is based on the networked control system of the train technology, the speed limit of speed limit grade and each grade all can according to the project characteristic adjustment, have very strong transplantability and extensibility.
Description of drawings
Fig. 1 is the train network system schematic.
Fig. 2 is the inventive method diagram of circuit.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.Need to prove that accompanying drawing all adopts very the form of simplifying and all uses non-accurately ratio, only in order to convenient, the purpose of the aid illustration embodiment of the invention clearly.
Be illustrated in figure 1 as the train network system schematic.It is the train of 2 trailers of 2 motor-cars (MP) (TC) marshalling among the figure, the train speed limit control method of present embodiment is: the network system Central Processing Unit (CPU) receives state and the breakdown signal from all Pneumatic brake systems, judge that whether vehicle air brake fault, and calculate the number of vehicles X of air brake fault; Train network system Central Processing Unit (CPU) receives state and the breakdown signal from all traction systems, judge that whether this vehicle electrical brake fault, and the motor-car quantity Y of calculating electric braking fault, the train speed limit grade Rule of judgment of M motor-car N trailer marshalling is as follows:
When X=0(without the air brake fault) and Y/M＜0.5(electric braking fault less than 50%) time, train is speed limit not;
When X/ (M+N) 〉=0.8(air brake fault meets or exceeds 80%) time, train network system Central Processing Unit (CPU) sends the rescue instruction to driver's read-out (DDU), and the prompting driver carries out rescue operation;
When X/ (M+N) 〉=0.5(air brake fault meets or exceeds 50%) time, perhaps reach 100% when Y/M=1(electric braking fault) and X/ (M+N) 〉=0.25(air brake fault meet or exceed 25%) time, train network system Central Processing Unit (CPU) sends 2 instructions of speed limit grade to driver's read-out, prompting driver control driver master controller enters corresponding speed limit pattern, if the train network system detects the velocity amplitude that train speed surpasses speed limit grade 2 correspondences after 5-10 minute, then show the failure of screen display speed limit grade 2 instruction request the driver;
When above-mentioned condition does not satisfy, train network system Central Processing Unit (CPU) is sent to driver's read-out with 1 instruction of speed limit grade, the prompting driver, be sent to the traction control unit simultaneously and with 1 instruction of speed limit grade, corresponding speed limit pattern is carried out according to the speed limit instruction that receives in the traction control unit, and train network system Central Processing Unit (CPU) reads the speed limit instruction mode of traction control unit feedback, when the state of feedback with send instruction when inconsistent, show the failure of screen display speed limit grade 1 instruction request the driver;
When the traction control unit received above a kind of speed limit instruction, then according to carrying out to low priority from height, described rescue instruction had precedence over 2 instructions of speed limit grade, and described speed limit grade 2 instructions have precedence in 1 instruction of speed limit grade.
The vehicle air brake fault is judged as follows:
When automobile storage during at vehicle air braking isolation, bogie truck air brake isolation, the fault that causes the vehicle braking force loss, train network system and brak control unit communication failure, judge this car air-making power loss, illustrate that the air brake fault has occured vehicle.
The vehicle electrical brake fault is judged as follows:
When unavailable at electric braking when automobile storage, as to cause vehicle electrical brake loss fault, train network system and traction control unit communications fault, judge this car electric braking force loss, illustrate that the electric braking fault has occured vehicle.
The present invention is based on the networked control system of the train technology, the speed limit of speed limit grade and each grade all can according to the project characteristic adjustment, have very strong transplantability and extensibility.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (6)
1. based on the train speed limit control method of train network system, it is characterized in that: the network system Central Processing Unit (CPU) receives state and the breakdown signal from all Pneumatic brake systems, judge that whether vehicle air brake fault, and calculate the number of vehicles X of air brake fault; Train network system Central Processing Unit (CPU) receives state and the breakdown signal from all traction systems, judge that whether this vehicle electrical brake fault, and the motor-car quantity Y of calculating electric braking fault, the train speed limit grade Rule of judgment of M motor-car N trailer marshalling is as follows:
When X=0 and Y/M＜0.5, train is speed limit not;
When X/ (M+N) 〉=0.8, train network system Central Processing Unit (CPU) sends the rescue instruction to driver's read-out, and the prompting driver carries out rescue operation;
When X/ (M+N) 〉=0.5, perhaps when Y/M=1 and X/ (M+N) 〉=0.25, train network system Central Processing Unit (CPU) sends 2 instructions of speed limit grade to driver's read-out, and prompting driver control driver master controller enters corresponding speed limit pattern;
When above-mentioned condition does not satisfy, train network system Central Processing Unit (CPU) is sent to driver's read-out with 1 instruction of speed limit grade, the prompting driver is sent to the traction control unit simultaneously and with 1 instruction of speed limit grade, and corresponding speed limit pattern is carried out according to the speed limit instruction that receives in the traction control unit.
2. the train speed limit control method based on the train network system according to claim 1, it is characterized in that: if train network system Central Processing Unit (CPU) sends 1 instruction of speed limit grade, train network system Central Processing Unit (CPU) reads the speed limit instruction mode of traction control unit feedback, when the state of feedback with send instruction when inconsistent, show the failure of screen display speed limit grade 1 instruction request the driver.
3. the train speed limit control method based on the train network system according to claim 1, it is characterized in that: if train network system Central Processing Unit (CPU) sends 2 instructions of speed limit grade, if instruction is sent train network system after 5-10 minute and detected the velocity amplitude that train speed surpasses speed limit grade 2 correspondences so, then show the failure of screen display speed limit grade 2 instruction request the driver.
4. the train speed limit control method based on the train network system according to claim 1, it is characterized in that: when automobile storage during at vehicle air braking isolation, bogie truck air brake isolation, the fault that causes the vehicle braking force loss, train network system and brak control unit communication failure, judge this car air-making power loss, illustrate that the air brake fault has occured vehicle.
5. the train speed limit control method based on the train network system according to claim 1, it is characterized in that: when unavailable at electric braking when automobile storage, as to cause vehicle electrical brake loss fault, train network system and traction control unit communications fault, judge this car electric braking force loss, illustrate that the electric braking fault has occured vehicle.
6. the train speed limit control method based on the train network system according to claim 1, it is characterized in that: when the traction control unit receives above a kind of speed limit instruction, then according to carrying out from height to low priority, described rescue instruction has precedence over 2 instructions of speed limit grade, and described speed limit grade 2 instructions have precedence in 1 instruction of speed limit grade.
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104175884A (en) * | 2014-07-04 | 2014-12-03 | 南车南京浦镇车辆有限公司 | Network control method for BLB (Bus Line Contactor) |
| CN104890684A (en) * | 2015-06-25 | 2015-09-09 | 长春轨道客车股份有限公司 | Automatic train speed restricting and speed restriction removing method based on TCMS (train control and management system) |
| CN105346556A (en) * | 2015-11-30 | 2016-02-24 | 长春轨道客车股份有限公司 | Urban railway vehicle braking force management method distributing braking force based on TCMS |
| CN105398458A (en) * | 2015-11-24 | 2016-03-16 | 株洲南车时代电气股份有限公司 | Track traffic train traction braking system and method with integrated traction brake control |
| CN105459989A (en) * | 2015-11-24 | 2016-04-06 | 株洲南车时代电气股份有限公司 | Traction and braking control method for train in emergency traction mode |
| CN105564450A (en) * | 2016-01-19 | 2016-05-11 | 中车南京浦镇车辆有限公司 | Train traction force and braking force distributing system based on TCMS control |
| CN105818820A (en) * | 2016-03-23 | 2016-08-03 | 株洲中车时代电气股份有限公司 | Automatic control system and method for stability loss of train bogie |
| CN106394618A (en) * | 2016-09-30 | 2017-02-15 | 中车南京浦镇车辆有限公司 | TCMS control-based train speed limiting method |
| CN106627672A (en) * | 2016-10-20 | 2017-05-10 | 中车南京浦镇车辆有限公司 | Method for using train network control and monitoring system to assist manual driving and controlling speed |
| CN106697003A (en) * | 2016-12-15 | 2017-05-24 | 天津交控科技有限公司 | Rail vehicle brake fault safe handling method |
| CN107891887A (en) * | 2016-12-09 | 2018-04-10 | 比亚迪股份有限公司 | Train control method, TCMS, VOBC and train |
| WO2019024517A1 (en) * | 2017-07-31 | 2019-02-07 | 比亚迪股份有限公司 | Automatic driving method, apparatus and system of train |
| CN110116721A (en) * | 2018-02-06 | 2019-08-13 | 株洲中车时代电气股份有限公司 | A kind of train speed limit control method and management system for rail traffic |
| CN110456686A (en) * | 2019-07-18 | 2019-11-15 | 株洲长河电力机车科技有限公司 | A kind of fully loaded traction starting control method of the manned tramcar of special type |
| CN110539782A (en) * | 2018-12-05 | 2019-12-06 | 中车长春轨道客车股份有限公司 | train speed limit control method and device |
| CN111516730A (en) * | 2020-05-11 | 2020-08-11 | 中车青岛四方机车车辆股份有限公司 | Train operation protection method and device |
| CN112373522A (en) * | 2020-10-10 | 2021-02-19 | 中车青岛四方机车车辆股份有限公司 | Emergency traction hierarchical control method, storage medium, equipment, network system and rail vehicle |
| CN113002596A (en) * | 2021-03-23 | 2021-06-22 | 中车青岛四方车辆研究所有限公司 | Traction control system |
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| CN104175884A (en) * | 2014-07-04 | 2014-12-03 | 南车南京浦镇车辆有限公司 | Network control method for BLB (Bus Line Contactor) |
| CN104890684A (en) * | 2015-06-25 | 2015-09-09 | 长春轨道客车股份有限公司 | Automatic train speed restricting and speed restriction removing method based on TCMS (train control and management system) |
| CN105398458A (en) * | 2015-11-24 | 2016-03-16 | 株洲南车时代电气股份有限公司 | Track traffic train traction braking system and method with integrated traction brake control |
| CN105459989A (en) * | 2015-11-24 | 2016-04-06 | 株洲南车时代电气股份有限公司 | Traction and braking control method for train in emergency traction mode |
| CN105346556A (en) * | 2015-11-30 | 2016-02-24 | 长春轨道客车股份有限公司 | Urban railway vehicle braking force management method distributing braking force based on TCMS |
| CN105564450A (en) * | 2016-01-19 | 2016-05-11 | 中车南京浦镇车辆有限公司 | Train traction force and braking force distributing system based on TCMS control |
| CN105564450B (en) * | 2016-01-19 | 2018-01-30 | 中车南京浦镇车辆有限公司 | A kind of vehicle traction based on TCMS controls, braking force distribution system |
| CN105818820A (en) * | 2016-03-23 | 2016-08-03 | 株洲中车时代电气股份有限公司 | Automatic control system and method for stability loss of train bogie |
| CN106394618B (en) * | 2016-09-30 | 2018-08-14 | 中车南京浦镇车辆有限公司 | A kind of train speed limit method based on TCMS controls |
| CN106394618A (en) * | 2016-09-30 | 2017-02-15 | 中车南京浦镇车辆有限公司 | TCMS control-based train speed limiting method |
| CN106627672A (en) * | 2016-10-20 | 2017-05-10 | 中车南京浦镇车辆有限公司 | Method for using train network control and monitoring system to assist manual driving and controlling speed |
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| CN107891887A (en) * | 2016-12-09 | 2018-04-10 | 比亚迪股份有限公司 | Train control method, TCMS, VOBC and train |
| CN106697003B (en) * | 2016-12-15 | 2018-11-02 | 天津交控科技有限公司 | Rail vehicle brake fault security processing |
| CN106697003A (en) * | 2016-12-15 | 2017-05-24 | 天津交控科技有限公司 | Rail vehicle brake fault safe handling method |
| WO2019024517A1 (en) * | 2017-07-31 | 2019-02-07 | 比亚迪股份有限公司 | Automatic driving method, apparatus and system of train |
| CN109318940A (en) * | 2017-07-31 | 2019-02-12 | 比亚迪股份有限公司 | Train automatic Pilot method, apparatus and system |
| CN110116721A (en) * | 2018-02-06 | 2019-08-13 | 株洲中车时代电气股份有限公司 | A kind of train speed limit control method and management system for rail traffic |
| CN110116721B (en) * | 2018-02-06 | 2021-08-20 | 株洲中车时代电气股份有限公司 | Train speed limit control method and management system for rail transit |
| WO2020114204A1 (en) * | 2018-12-05 | 2020-06-11 | 中车长春轨道客车股份有限公司 | Train speed limit control method and device |
| CN110539782A (en) * | 2018-12-05 | 2019-12-06 | 中车长春轨道客车股份有限公司 | train speed limit control method and device |
| CN110456686A (en) * | 2019-07-18 | 2019-11-15 | 株洲长河电力机车科技有限公司 | A kind of fully loaded traction starting control method of the manned tramcar of special type |
| CN111516730A (en) * | 2020-05-11 | 2020-08-11 | 中车青岛四方机车车辆股份有限公司 | Train operation protection method and device |
| CN112373522A (en) * | 2020-10-10 | 2021-02-19 | 中车青岛四方机车车辆股份有限公司 | Emergency traction hierarchical control method, storage medium, equipment, network system and rail vehicle |
| CN112373522B (en) * | 2020-10-10 | 2022-11-15 | 中车青岛四方机车车辆股份有限公司 | Emergency traction hierarchical control method, storage medium, equipment, network system and rail vehicle |
| CN113002596A (en) * | 2021-03-23 | 2021-06-22 | 中车青岛四方车辆研究所有限公司 | Traction control system |
| CN113002596B (en) * | 2021-03-23 | 2022-11-11 | 中车青岛四方车辆研究所有限公司 | Traction control system |
| CN113147698A (en) * | 2021-03-25 | 2021-07-23 | 中车青岛四方车辆研究所有限公司 | Mechanical brake control method and control system for railway vehicle |
| CN113147698B (en) * | 2021-03-25 | 2022-04-12 | 中车青岛四方车辆研究所有限公司 | Mechanical brake control method and control system for railway vehicle |
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