CN106541963B - The system and method for acquisition orbital curve line information based on characteristic point triggering - Google Patents
The system and method for acquisition orbital curve line information based on characteristic point triggering Download PDFInfo
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- CN106541963B CN106541963B CN201610890261.4A CN201610890261A CN106541963B CN 106541963 B CN106541963 B CN 106541963B CN 201610890261 A CN201610890261 A CN 201610890261A CN 106541963 B CN106541963 B CN 106541963B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
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Abstract
The present invention relates to a kind of system and methods of acquisition orbital curve line information based on characteristic point triggering.The system includes trigger, triggering receiver and processor, the trigger is arranged in front of track circuit rectilinear curve change point on the straight path of set distance, the triggering receiver and processor are arranged on rail vehicle head vehicle, the processor connection triggering receiver, the processor memory is placed with vehicle-mounted track data library, includes curve circuit parameter information corresponding with trigger coding in vehicle-mounted track data library；Rail vehicle head vehicle is run to trigger, and triggering receiver receives and identifies trigger coding, is then forwarded to processor, processor searches curve circuit parameter information corresponding with trigger coding from vehicle-mounted track data library.Compared with prior art, the present invention can timely and effectively obtain orbital curve line information, timely guiding vehicle active control system movement.
Description
Technical field
The present invention relates to a kind of system and methods for obtaining orbital curve line information, are based on feature more particularly, to one kind
The system and method for the acquisition orbital curve line information of point triggering.
Background technique
After the completion of track circuit is laid with, route relevant parameter information is just had determined that.When rail vehicle is on given line
Traveling when especially by curve, needs to obtain the line information of curve circuit to instruct active control system to act, so that
Rail vehicle can be realized the smooth transition of straight path to curve circuit, while also guarantee the safety travelled on curve circuit
Property can not timely and effectively obtain curve circuit information in existing rail vehicle system, be easy to happen safety problem.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind to be touched based on characteristic point
The system and method for the acquisition orbital curve line information of hair.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of system of the acquisition orbital curve line information based on characteristic point triggering, which includes trigger, triggering
The straight path of set distance before track circuit rectilinear curve change point is arranged in receiver and processor, the trigger
On, the triggering receiver and processor are arranged on rail vehicle head vehicle, the processor connection triggering receiver, institute
The processor memory stated is placed with vehicle-mounted track data library, includes curve line corresponding with trigger coding in vehicle-mounted track data library
Road parameter information；
Rail vehicle head vehicle is run to trigger, and triggering receiver receives and identifies trigger coding, is then forwarded to
Processor, processor search curve circuit parameter information corresponding with trigger coding from vehicle-mounted track data library.
Trigger is arranged before track circuit rectilinear curve change point set distance Δ x and meets following condition: Δ x >=v Δ
T, wherein v is the curve negotiating speed of rail vehicle, and Δ t, which runs for head vehicle to trigger to rail vehicle active control system, to be rung
Answer, control system assigns action command, action execution unit receive instruction action the time required to, before rectilinear curve change point
When straight path length is less than Δ x, it is not provided with trigger on the straight path, by the route of the curve circuit of trigger to be placed
Parameter information merges storage with the line parameter circuit value information of the last period curve circuit.
The curve circuit parameter information includes: that curve type, direction of a curve, trigger set-point and rectilinear curve become
The intermediate straight line changed the distance between a little, between length of transition curve, circular curve length, circular curve radius and former and later two curves is long
Degree.
The system further includes vehicle-mounted velometer, the vehicle-mounted velometer connection processor.
The vehicle-mounted velometer includes velocity radar.
A method of the acquisition track circuit curvature based on characteristic point triggering, this method comprises the following steps:
(1) trigger is laid on the straight path of set distance before track circuit rectilinear curve change point；
(2) processor is set and the triggering reception for receiving the trigger feedback signal in rail vehicle head vehicle
Device, the processor memory put vehicle-mounted track data library, include song corresponding with trigger coding in vehicle-mounted track data library
Line line parameter circuit value information；
(3) rail vehicle head vehicle is run to trigger, is triggered receiver and is identified that trigger encodes, is then forwarded to place
Device is managed, processor searches curve circuit parameter information corresponding with trigger coding from vehicle-mounted track data library.
Trigger setting set distance Δ x before track circuit rectilinear curve change point meets following condition in step (1):
Δ x >=v Δ t, wherein v is the curve negotiating speed of rail vehicle, and Δ t runs to trigger to rail vehicle for head vehicle and actively controls
The time required to system processed responds, control system assigns action command, action execution unit receives instruction action, when rectilinear curve becomes
When straight path length before changing a little is less than Δ x, it is not provided with trigger on the straight path, by the curve line of trigger to be placed
The line parameter circuit value information on road merges storage with the line parameter circuit value information of the last period curve circuit.
This method further include: vehicle-mounted speed measuring radar is set on the rail vehicle, after processor receives trigger coding,
Processor obtains the real-time speed v of rail vehicle that velocity radar measures, and processor carries out Integral Processing to real-time speed v and obtains rail
Road vehicle real time position.
Compared with prior art, the present invention has the advantage that
(1) present invention is by being arranged in the trigger before track circuit rectilinear curve change point, when vehicle driving to triggering
When device position, triggering receiver receive trigger send triggering coding, thus obtain be stored in advance with trigger coding
Matched curve circuit parameter information, realizes real-time quick acquisition, and then rail vehicle active control system is instructed to act；
(2) trigger set-point position of the invention can guarantee that processor can obtain corresponding curve circuit parameter in advance
Information, and rail vehicle active control system is instructed to act in time；
(3) present invention also sets up vehicle-mounted speed device, obtains the real-time speed of vehicle that vehicle-mounted velometer measures by processor
Realize that vehicle location preferably instructs vehicle so that vehicle location and the front curve circuit parameter information of acquisition be matched
The movement of active control system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the system of the acquisition orbital curve line information triggered the present invention is based on characteristic point；
Fig. 2 is that position description figure is arranged in trigger set-point of the present invention and rectilinear curve change point.
In figure, 1 is rail vehicle head vehicle, and 2 be the first trigger, and 3 be the second trigger, and 4 be triggering receiver, and 5 be survey
Fast radar, 6 be processor, and 7 be vehicle body of railway vehicle.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As shown in Figure 1, a kind of system of the acquisition orbital curve line information based on characteristic point triggering, which includes touching
The straight line of set distance before track circuit rectilinear curve change point is arranged in hair device, triggering receiver 4 and processor 6, trigger
On route, can there are multiple curve circuits, therefore the set distance in front of rectilinear curve change point for a track circuit
It is required to lay trigger on straight path, two triggers, including the first trigger 2 and the second triggering is only depicted in Fig. 1
Device 3.It triggers receiver 4 and processor 6 is arranged on rail vehicle head vehicle 1, the connection triggering receiver 4 of processor 6, processor 6
Memory is placed with vehicle-mounted track data library, includes curve circuit parameter letter corresponding with trigger coding in vehicle-mounted track data library
Breath, specifically, trigger is beacon, triggering receiver 4 is beacon receiver.At the operation to trigger of rail vehicle head vehicle 1, touching
Hair receiver 4 receives the trigger that trigger is sent and encodes and be sent to processor 6, and processor 6 is from vehicle-mounted track data library
Search curve circuit parameter information corresponding with trigger coding.
As shown in Fig. 2, trigger set-point and rectilinear curve change point position description figure, trigger set-point is remembered in figure
For A, rectilinear curve change point is B, and arrow direction is 7 direction of motion of vehicle body of railway vehicle, and trigger is arranged in railway line in figure
Set distance Δ x meets following condition: Δ x >=v Δ t before the rectilinear curve change point of road, and wherein v is the curve negotiating of rail vehicle
Speed, Δ t are that head vehicle is run to trigger to rail vehicle active control system responds, control system assigns action command, dynamic
Make execution unit and receive instruction action required time, when the straight path length before rectilinear curve change point is less than Δ x, this is straight
It is not provided with trigger on line route, by the line parameter circuit value information of the curve circuit of trigger to be placed and the last period curve circuit
Line parameter circuit value information merges storage, if the several curve circuits of continued presence, the linear distance between them is less than Δ x,
That just merges these curve circuits, shares a trigger, when the operation of rail vehicle head vehicle 1 is to the trigger, 6 energy of processor
It is enough to be encoded to obtain corresponding several curve circuit parameter informations according to the trigger of the trigger.Curve circuit parameter information packet
Include: the distance between curve type, direction of a curve, trigger set-point and rectilinear curve change point, length of transition curve, circle are bent
Intermediate straight line length between line length, circular curve radius and former and later two curves.
In addition, the system further includes vehicle-mounted speed device, vehicle-mounted velometer connects processor 6, vehicle-mounted in the embodiment to test the speed
After device uses velocity radar 5, triggering receiver 4 to receive the feedback information of the trigger on track circuit, processor 6 using by
The real-time speed v integral that velocity radar 5 is measured obtains the real time position of rail vehicle on the line, in conjunction with obtained curve line
The matching of road parameter information realization real time position and front curve circuit parameter information.And then it instructs numerous using curvature value as ginseng
Several rail vehicle active control system movements.
A method of the acquisition track circuit curvature based on characteristic point triggering, this method comprises the following steps:
Step 1: laying trigger, trigger on the straight path of set distance before track circuit rectilinear curve change point
Set distance Δ x is set before track circuit rectilinear curve change point and meets following condition: Δ x >=v Δ t, wherein v is railcar
Curve negotiating speed, Δ t is that head vehicle is run to trigger to rail vehicle active control system responds, control system assigns
The time required to action command, action execution unit receive instruction action, the straight path length before rectilinear curve change point is small
When Δ x, be not provided with trigger on the straight path, by the line parameter circuit value information of the curve circuit of trigger to be placed with it is previous
The line parameter circuit value information of section curve circuit merges storage.Step 2: processor 6 being set in rail vehicle head vehicle 1 and for receiving
The triggering receiver 4 of trigger feedback signal, processor 6 is interior to store vehicle-mounted track data library, includes in vehicle-mounted track data library
Curve circuit parameter information corresponding with trigger coding.Step 3: at the operation to trigger of rail vehicle head vehicle 1, triggering is received
Device 4 receives and identifies trigger and encodes and be sent to processor 6, and processor 6 is searched from vehicle-mounted track data library and trigger
Encode corresponding curve circuit parameter information.In addition, vehicle-mounted speed measuring radar 5 is arranged on the rail vehicle, when processor 6 receives
After trigger coding, processor 6 obtains the real-time speed v of rail vehicle that measures of velocity radar 5, processor 6 to real-time speed v into
Row Integral Processing obtains rail vehicle real time position.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (5)
1. a kind of system of the acquisition orbital curve line information based on characteristic point triggering, which is characterized in that the system includes touching
Send out device, triggering receiver and processor, set distance before track circuit rectilinear curve change point is arranged in the trigger
On straight path, the triggering receiver and processor are arranged on rail vehicle head vehicle, and the processor connects triggering
Receiver, the processor memory are placed with vehicle-mounted track data library, include in vehicle-mounted track data library and trigger coding pair
The curve circuit parameter information answered；
Rail vehicle head vehicle is run to trigger, and triggering receiver receives and identifies trigger coding, is then forwarded to processing
Device, processor search curve circuit parameter information corresponding with trigger coding from vehicle-mounted track data library；
Trigger is arranged before track circuit rectilinear curve change point set distance Δ x and meets following condition: Δ x >=v Δ t,
Middle v be rail vehicle curve negotiating speed, Δ t be head vehicle run to trigger to rail vehicle active control system respond,
It is straight before rectilinear curve change point the time required to control system assigns action command, action execution unit receives instruction action
When line line length is less than Δ x, it is not provided with trigger on the straight path, the route of the curve circuit of trigger to be placed is joined
Number information merges storage with the line parameter circuit value information of the last period curve circuit；
The curve circuit parameter information includes: curve type, direction of a curve, trigger set-point and rectilinear curve change point
The distance between, the intermediate straight line length between length of transition curve, circular curve length, circular curve radius and former and later two curves.
2. a kind of system of acquisition orbital curve line information based on characteristic point triggering according to claim 1, special
Sign is that the system further includes vehicle-mounted velometer, the vehicle-mounted velometer connection processor.
3. a kind of system of acquisition orbital curve line information based on characteristic point triggering according to claim 2, special
Sign is that the vehicle-mounted velometer includes velocity radar.
4. a kind of method of the acquisition track circuit curvature based on characteristic point triggering, which is characterized in that this method includes following step
It is rapid:
(1) trigger is laid on the straight path of set distance before track circuit rectilinear curve change point；
(2) processor is set and the triggering receiver for receiving the trigger feedback signal in rail vehicle head vehicle, institute
The processor memory stated puts vehicle-mounted track data library, includes curve circuit corresponding with trigger coding in vehicle-mounted track data library
Parameter information；
(3) rail vehicle head vehicle is run to trigger, is triggered receiver and is identified that trigger encodes, is then forwarded to processing
Device, processor search curve circuit parameter information corresponding with trigger coding from vehicle-mounted track data library；
Trigger setting set distance Δ x before track circuit rectilinear curve change point meets following condition: Δ x in step (1)
>=v Δ t, wherein v is the curve negotiating speed of rail vehicle, and Δ t runs to trigger to rail vehicle for head vehicle and actively controls
The time required to action command is assigned in system response, control system, action execution unit receives instruction action, when rectilinear curve converts
When straight path length before point is less than Δ x, it is not provided with trigger on the straight path, by the curve circuit of trigger to be placed
Line parameter circuit value information merge storage with the line parameter circuit value information of the last period curve circuit.
5. a kind of method of acquisition track circuit curvature based on characteristic point triggering according to claim 4, feature exist
In this method further include: vehicle-mounted speed measuring radar is set on the rail vehicle, after processor receives trigger coding, processing
Device obtains the real-time speed v of rail vehicle that velocity radar measures, and processor carries out Integral Processing to real-time speed v and obtains railcar
Real time position.
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| CN201610890261.4A CN106541963B (en) | 2016-10-12 | 2016-10-12 | The system and method for acquisition orbital curve line information based on characteristic point triggering |
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| CN201610890261.4A CN106541963B (en) | 2016-10-12 | 2016-10-12 | The system and method for acquisition orbital curve line information based on characteristic point triggering |
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| CN106541963B true CN106541963B (en) | 2019-04-16 |
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| CN107150703B (en) * | 2017-05-04 | 2019-01-08 | 暨南大学 | A kind of rail transit train line fitting localization method based on RFID surface beacon |
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| JP2016141300A (en) * | 2015-02-03 | 2016-08-08 | 日本車輌製造株式会社 | Railway vehicle traveling position detection system |
| CN105946875A (en) * | 2016-05-10 | 2016-09-21 | 同济大学 | Active radial system for rail train |
| CN107111736A (en) * | 2015-01-09 | 2017-08-29 | 株式会社东芝 | Wireless communication system and radio communication device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10000222B2 (en) * | 2015-08-13 | 2018-06-19 | Lockheed Martin Corporation | Methods and systems of determining end of train location and clearance of trackside points of interest |
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|---|---|---|---|---|
| CN1313817A (en) * | 1999-06-11 | 2001-09-19 | 阿尔斯托姆公司 | Method and device for controlling a railway vehicle steered elements |
| CN1693127A (en) * | 2004-04-30 | 2005-11-09 | 阿尔卡特公司 | Process for determining the distance by presignal transmitter |
| CN102139704A (en) * | 2011-02-01 | 2011-08-03 | 中国铁道科学研究院基础设施检测研究所 | High-accuracy train positioning system based on radio frequency technology and positioning method thereof |
| CN107111736A (en) * | 2015-01-09 | 2017-08-29 | 株式会社东芝 | Wireless communication system and radio communication device |
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