CN106541963A - The system and method for the acquisition orbital curve line information of distinguished point based triggering - Google Patents
The system and method for the acquisition orbital curve line information of distinguished point based triggering Download PDFInfo
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- CN106541963A CN106541963A CN201610890261.4A CN201610890261A CN106541963A CN 106541963 A CN106541963 A CN 106541963A CN 201610890261 A CN201610890261 A CN 201610890261A CN 106541963 A CN106541963 A CN 106541963A
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- trigger
- curve
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- circuit
- processor
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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
Abstract
The present invention relates to a kind of system and method for the acquisition orbital curve line information of distinguished point based triggering.The system includes trigger, triggering receptor and processor, described trigger is arranged on before track circuit rectilinear curve change point on the straight path of setpoint distance, described triggering receptor and processor are arranged on rail vehicle head car, described processor connection triggering receptor, described processor memory is placed with vehicle-mounted track data storehouse, includes curve circuit parameter information corresponding with trigger coding in vehicle-mounted track data storehouse；Rail vehicle head car is run to trigger, and triggering receptor receives and identifies trigger coding, is then forwarded to processor, and processor searches curve circuit parameter information corresponding with trigger coding from vehicle-mounted track data storehouse.Compared with prior art, the present invention can timely and effectively obtain orbital curve line information, timely guiding vehicle active control system action.
Description
Technical field
The present invention relates to a kind of system and method for obtaining orbital curve line information, more particularly, to a kind of feature based
The system and method for the acquisition orbital curve line information of point triggering.
Background technology
After the completion of track circuit laying, its circuit relevant parameter information just has determined that.When rail vehicle is on given line
Traveling, during especially by curve, needs the line information for obtaining curve circuit so as to know active control system action so that
Rail vehicle can realize straight path to the smooth transition of curve circuit, while also ensureing the safety travelled on curve circuit
Property, curve circuit information can not be timely and effectively obtained in existing rail vehicle system, safety problem is susceptible to.
The content of the invention
The purpose of the present invention is exactly to provide a kind of distinguished point based and touch to overcome the defect of above-mentioned prior art presence
The system and method for the acquisition orbital curve line information sent out.
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 of distinguished point based triggering, the system include trigger, triggering
Receptor and processor, described trigger are arranged on the straight path of setpoint distance before track circuit rectilinear curve change point
On, described triggering receptor and processor are arranged on rail vehicle head car, described processor connection triggering receptor, institute
The processor memory stated is placed with vehicle-mounted track data storehouse, includes curve line corresponding with trigger coding in vehicle-mounted track data storehouse
Road parameter information；
Rail vehicle head car is run to trigger, and triggering receptor 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 storehouse.
Before trigger is arranged on track circuit rectilinear curve change point, setpoint distance Δ x meets following condition：Δx≥vΔ
The curve negotiating speed of t, wherein v for rail vehicle, Δ t are run to trigger for head car and are rung to rail vehicle active control system
Should, control system assign action command, action execution unit receive instruction action the time required to, when before rectilinear curve change point
When straight path length is less than Δ x, trigger is not provided with the straight path, by the circuit 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.
Described curve circuit parameter information includes：Curve type, direction of a curve, trigger set-point and rectilinear curve become
Change the distance between a little, the intermediate straight line between length of transition curve, circular curve length, circular curve radius and former and later two curves it is long
Degree.
The system also includes vehicle-mounted velometer, the described processor of described vehicle-mounted velometer connection.
Described vehicle-mounted velometer includes velocity radar.
A kind of method of the acquisition track circuit curvature of distinguished point based triggering, the method comprise the steps：
(1) trigger is laid on the straight path of setpoint distance before track circuit rectilinear curve change point；
(2) processor is set in rail vehicle head car and receives with the triggering for receiving the trigger feedback signal
Device, described processor memory put vehicle-mounted track data storehouse, include and the trigger corresponding song of coding in vehicle-mounted track data storehouse
Line line parameter circuit value information；
(3) rail vehicle head car is run to trigger, is triggered receptor and is recognized that trigger is encoded, is then forwarded to place
Reason device, processor search curve circuit parameter information corresponding with trigger coding from vehicle-mounted track data storehouse.
Before in step (1), trigger is arranged on track circuit rectilinear curve change point, setpoint distance Δ x meets following condition：
The curve negotiating speed of Δ x >=v Δ t, wherein v for rail vehicle, Δ t is run to trigger for head car actively to be controlled to rail vehicle
The time required to action command, action execution unit reception instruction action are assigned in system response processed, control system, when rectilinear curve becomes
When straight path length before changing a little is less than Δ x, trigger is not provided with 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.
The method also includes：Vehicle-mounted speed measuring radar is set on the rail vehicle, after processor receives trigger to be encoded,
Processor obtains real-time speed v of rail vehicle that velocity radar is measured, and processor is integrated process to real-time speed v and obtains rail
Road vehicle real time position.
Compared with prior art, the invention has the advantages that：
(1) trigger by being arranged on before track circuit rectilinear curve change point of the invention, when vehicle drives to triggering
During device position, trigger receptor receive trigger send triggering coding, so as to obtain prestore with trigger encode
The curve circuit parameter information of matching, realizes acquisition real-time, and then instructs rail vehicle active control system action；
(2) trigger set-point position of the invention ensure that processor can obtain corresponding curve circuit parameter in advance
Information, and rail vehicle active control system action is instructed in time；
(3) present invention also sets up vehicle-mounted speed device, obtains the real-time speed of vehicle that vehicle-mounted velometer is measured by processor
Vehicle location is realized, so as to vehicle location and the front curve circuit parameter information for obtaining are matched, car is preferably instructed
The action of active control system.
Description of the drawings
Fig. 1 is the structural representation of the system of the acquisition orbital curve line information of distinguished point based triggering of the present invention；
Fig. 2 is trigger set-point of the present invention and rectilinear curve change point set location explanatory diagram.
In figure, 1 is rail vehicle head car, and 2 is the first trigger, and 3 is the second trigger, and 4 are triggering receptor, and 5 are survey
Fast radar, 6 is processor, and 7 is 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 of distinguished point based triggering, the system includes touching
Device, triggering receptor 4 and processor 6 are sent out, trigger is arranged on the straight line of setpoint distance before track circuit rectilinear curve change point
On circuit, for there are multiple curve circuits in a track circuit, therefore the setpoint distance in front of the rectilinear curve change point
It is required to lay trigger on straight path, in Fig. 1, only depicts two triggers, including the first trigger 2 and the second triggering
Device 3.Triggering receptor 4 and processor 6 are arranged on rail vehicle head car 1, the connection triggering receptor 4 of processor 6, processor 6
Internal memory is placed with vehicle-mounted track data storehouse, includes curve circuit parameter letter corresponding with trigger coding in vehicle-mounted track data storehouse
Breath, specifically, trigger is beacon, and triggering receptor 4 is beacon receiver.Rail vehicle head car 1 is run to trigger, is touched
The trigger for sending out the reception trigger transmission of receptor 4 is encoded and is sent to processor 6, and processor 6 is from vehicle-mounted track data storehouse
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, remember trigger set-point in figure
For A, rectilinear curve change point is B, and the direction of arrow is 7 direction of motion of vehicle body of railway vehicle, and in figure, trigger is arranged on railway line
Before the rectilinear curve change point of road, setpoint distance Δ x meets following condition：The curve negotiating of Δ x >=v Δ t, wherein v for rail vehicle
Speed, Δ t are run to trigger for head car and assign action command, move to the response of rail vehicle active control system, control system
The time required to making performance element reception instruction action, when the straight path length before rectilinear curve change point is less than Δ x, this is straight
Trigger is not provided with line circuit, 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 air line distance between them is less than Δ x,
These curve circuits are just merged by that, share a trigger, when rail vehicle head car 1 is run to the trigger, 6 energy of processor
It is enough that corresponding several curve circuit parameter informations are obtained according to the trigger of trigger coding.Curve circuit parameter information bag
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 also includes vehicle-mounted speed device, vehicle-mounted velometer connects processor 6, vehicle-mounted in the embodiment to test the speed
Device adopt velocity radar 5, triggering receptor 4 receive the feedback information of the trigger on track circuit after, processor 6 using by
The real-time speed v integration that velocity radar 5 is measured obtains rail vehicle real time position on the line, in conjunction with the curve line for obtaining
The matching of LUSHEN number information realization real time position and front curve circuit parameter information.And then instruct numerous using curvature value as ginseng
Several rail vehicle active control system actions.
A kind of method of the acquisition track circuit curvature of distinguished point based triggering, the method comprise the steps：
Step 1：Trigger, trigger are laid on the straight path of setpoint distance before track circuit rectilinear curve change point
Before being arranged on track circuit rectilinear curve change point, setpoint distance Δ x meets following condition：Δ x >=v Δ t, wherein v are railcar
Curve negotiating speed, Δ t is run to trigger to the response of rail vehicle active control system for head car, control system assigns
Action command, action execution unit receive instruction action the time required to, when the straight path length before rectilinear curve change point it is little
When Δ x, on the straight path, be not provided with trigger, 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 is set and for receiving in rail vehicle head car 1
The triggering receptor 4 of trigger feedback signal, in processor 6, the vehicle-mounted track data storehouse of storage, includes in vehicle-mounted track data storehouse
Curve circuit parameter information corresponding with trigger coding.Step 3：Rail vehicle head car 1 is run to trigger, and triggering is received
Device 4 receives and identifies trigger and encodes and send to processor 6, and processor 6 is searched and trigger from vehicle-mounted track data storehouse
Encode corresponding curve circuit parameter information.In addition, vehicle-mounted speed measuring radar 5 is set on the rail vehicle, when processor 6 is received
After trigger coding, processor 6 obtains real-time speed v of rail vehicle that velocity radar 5 is measured, and real-time speed v of processor 6 pairs is entered
Row Integral Processing obtains rail vehicle real time position.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel announcement of the invention, the improvement made without departing from scope and modification all should be the present invention's
Within protection domain.
Claims (8)
1. the system of the acquisition orbital curve line information that a kind of distinguished point based is triggered, it is characterised in that the system includes touching
Send out device, triggering receptor and processor, described trigger is arranged on setpoint distance before track circuit rectilinear curve change point
On straight path, described triggering receptor and processor are arranged on rail vehicle head car, described processor connection triggering
Receptor, described processor memory are placed with vehicle-mounted track data storehouse, and it is right with trigger coding to include in vehicle-mounted track data storehouse
The curve circuit parameter information answered；
Rail vehicle head car is run to trigger, and triggering receptor receives and identifies trigger coding, is then forwarded to process
Device, processor search curve circuit parameter information corresponding with trigger coding from vehicle-mounted track data storehouse.
2. the system of the acquisition orbital curve line information that a kind of distinguished point based according to claim 1 is triggered, which is special
Levy and be, setpoint distance Δ x meets following condition before trigger is arranged on track circuit rectilinear curve change point：Δ x >=v Δ t,
Curve negotiating speed of the wherein v for rail vehicle, Δ t are run to trigger for head car and are rung to rail vehicle active control system
Should, control system assign action command, action execution unit receive instruction action the time required to, when before rectilinear curve change point
When straight path length is less than Δ x, trigger is not provided with the straight path, by the circuit 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.
3. the system of the acquisition orbital curve line information that a kind of distinguished point based according to claim 1 is triggered, which is special
Levy and be, described curve circuit parameter information includes：Curve type, direction of a curve, trigger set-point and rectilinear curve become
Change the distance between a little, the intermediate straight line between length of transition curve, circular curve length, circular curve radius and former and later two curves it is long
Degree.
4. the system of the acquisition orbital curve line information that a kind of distinguished point based according to claim 1 is triggered, which is special
Levy and be, the system also includes vehicle-mounted velometer, the described processor of described vehicle-mounted velometer connection.
5. the system of the acquisition orbital curve line information that a kind of distinguished point based according to claim 4 is triggered, which is special
Levy and be, described vehicle-mounted velometer includes velocity radar.
6. the method for the acquisition track circuit curvature that a kind of distinguished point based is triggered, it is characterised in that the method includes following step
Suddenly：
(1) trigger is laid on the straight path of setpoint distance before track circuit rectilinear curve change point；
(2) rail vehicle head car arrange processor and with for receiving the triggering receptor of the trigger feedback signal,
Described processor memory puts vehicle-mounted track data storehouse, includes curve line corresponding with trigger coding in vehicle-mounted track data storehouse
Road parameter information；
(3) rail vehicle head car is run to trigger, is triggered receptor and is recognized that trigger is encoded, is then forwarded to process
Device, processor search curve circuit parameter information corresponding with trigger coding from vehicle-mounted track data storehouse.
7. the method for the acquisition track circuit curvature that a kind of distinguished point based according to claim 6 is triggered, its feature exist
In before in step (1), trigger is arranged on track circuit rectilinear curve change point, setpoint distance Δ x meets following condition：Δx≥
The curve negotiating speed of v Δ t, wherein v for rail vehicle, Δ t are run to trigger for head car and actively control system to rail vehicle
The time required to action command, action execution unit reception instruction action are assigned in system response, control system, when rectilinear curve change point
When front straight path length is less than Δ x, trigger is not provided with the straight path, by the curve circuit of trigger to be placed
Line parameter circuit value information merges storage with the line parameter circuit value information of the last period curve circuit.
8. the method for the acquisition track circuit curvature that a kind of distinguished point based according to claim 6 is triggered, its feature exist
In the method also includes：Vehicle-mounted speed measuring radar is set on the rail vehicle, after processor receives trigger to be encoded, is processed
Device obtains real-time speed v of rail vehicle that velocity radar is measured, and processor is integrated process to real-time speed v and obtains railcar
Real time position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN106541963A true CN106541963A (en) | 2017-03-29 |
| CN106541963B CN106541963B (en) | 2019-04-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150703A (en) * | 2017-05-04 | 2017-09-12 | 暨南大学 | A kind of rail transit train line fitting localization method based on RFID surface beacons |
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| US20170043797A1 (en) * | 2015-08-13 | 2017-02-16 | 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 |
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| 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 |
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