CN115123348A - System and method for PRT accurate positioning based on induction loop - Google Patents
System and method for PRT accurate positioning based on induction loop Download PDFInfo
- Publication number
- CN115123348A CN115123348A CN202210736782.XA CN202210736782A CN115123348A CN 115123348 A CN115123348 A CN 115123348A CN 202210736782 A CN202210736782 A CN 202210736782A CN 115123348 A CN115123348 A CN 115123348A
- Authority
- CN
- China
- Prior art keywords
- loop
- vehicle
- information
- induction
- pulse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000006698 induction Effects 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000001939 inductive effect Effects 0.000 claims description 18
- 230000000630 rising effect Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/028—Determination of vehicle position and orientation within a train consist, e.g. serialisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L2210/00—Vehicle systems
- B61L2210/02—Single autonomous vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention relates to the technical field of new traffic, in particular to a system and a method for accurately positioning a PRT (pulse repetition temperature) based on an induction loop. The system comprises a vehicle-mounted speed sensor, a vehicle-mounted controller, a vehicle-mounted receiving antenna, a vehicle-mounted transmitting antenna, a plurality of induction loop lines and loop line transceiving equipment, wherein the induction loop lines are continuously arranged in the center of a road in a crossed manner, and each induction loop line consists of a plurality of crossed loops with the same size; the method comprises the steps of generating loop information and a high-frequency sine alternating current signal by using loop receiving and sending equipment, broadcasting the loop information by an induction loop, and generating an alternating magnetic field based on the high-frequency sine alternating current signal; generating pulse information through an alternating magnetic field, and calculating the absolute position of the vehicle by using the loop information, the pulse information and the induction loop basic information; obtaining the relative movement distance of the vehicle, and obtaining the accurate positioning of the vehicle by combining the absolute position and the relative movement distance; the invention realizes the real-time, accurate and continuous acquisition of the precise position of the PRT vehicle, and is used for the running control of the vehicle.
Description
Technical Field
The invention relates to the technical field of new traffic, in particular to a system and a method for accurately positioning a PRT (pulse repetition temperature) based on an induction loop.
Background
Prt (personal Rapid transit), also known as "personal rail transit", is a transportation system in which small vehicles automatically travel on a dedicated rail network or a dedicated road network. The vehicle can be sent out as required without waiting for passengers, the vehicle control system can automatically select an optimal route from a departure place to a destination according to the requirements of guests, the vehicle can stop at a branch platform without stopping in the midway, and the PRT empty vehicle can automatically stop at a special branch for standby operation. The PRT has the advantages of small transportation volume, short transportation time and more convenient riding, has lower cost per kilometer and higher line density, and can be used as a passenger transportation line in airports, docks and parks to connect traffic lines between large cities and satellite cities.
At present, the unmanned PRT system of London Heathow airport and Tianfu airport in the UK adopts a road form with unique road rights, realizes the accurate positioning of vehicles by matching a vehicle-mounted sensor detection groove with an electronic map, and realizes the position detection of the vehicles by a LOOP coil. The LOOP coil can only detect the position of the LOOP coil occupied by the PRT vehicle, and can not be accurately positioned, the accurate positioning of the vehicle is realized by the detection groove of the sensor, and the accurate positioning of the vehicle is easily interfered by the environment.
Disclosure of Invention
The invention aims to: aiming at the problem that the precise position of a PRT vehicle cannot be obtained in real time in the prior art, the system and the method for precisely positioning the PRT based on the induction loop are provided, the induction loop is in two-way communication with the vehicle, an alternating magnetic field is generated, pulse information is generated by using the alternating magnetic field, the precise position of the vehicle is calculated by combining the loop information and the basic information of the induction loop, and the purpose of continuously obtaining the precise position of the PRT vehicle in real time is achieved.
In order to achieve the purpose, the invention adopts the technical scheme that:
a PRT accurate positioning system based on an induction loop comprises a vehicle-mounted speed sensor, a vehicle-mounted controller, a vehicle-mounted receiving antenna, a vehicle-mounted sending antenna, an induction loop and loop receiving and sending equipment; the induction loop lines are continuously arranged in the center of the road in a crossed mode, each induction loop line is composed of a plurality of crossed loops with the same size, and the induction loop lines are in communication connection with the vehicle-mounted receiving antenna and the vehicle-mounted sending antenna;
the loop wire transceiver device is configured to generate loop wire information and a high-frequency sinusoidal alternating current signal, broadcast the loop wire information through an induction loop wire and receive frequency modulation information sent by a vehicle, and generate an alternating magnetic field based on the high-frequency sinusoidal alternating current signal;
the vehicle-mounted receiving antenna is configured to receive loop information, detect an alternating magnetic field generated by the induction loop and generate pulse information;
the on-board controller is configured to calculate an absolute position of the vehicle based on the loop information, the pulse information, and the stored inductive loop base information; acquiring the relative movement distance of the vehicle through a vehicle-mounted speed sensor, and obtaining the accurate positioning of the vehicle by combining the absolute position and the relative movement distance;
the vehicle-mounted transmitting antenna is configured to transmit precise location information of the vehicle, including the vehicle's number and mileage.
As a preferred aspect of the present invention, a system for PRT fine positioning based on an inductive loop, the inductive loop is provided with a loop remote box configured to connect the inductive loop and a loop transceiver device.
As a preferred aspect of the present invention, in a system for PRT fine positioning based on an induction loop, an onboard controller is configured to store induction loop basic information, which includes a loop number, a loop start mileage, a loop length, and a loop crossing number.
As a preferred aspect of the present invention, in a system for PRT accurate positioning based on induction loop, a vehicle-mounted controller is configured to obtain a loop position corresponding to a loop number, and calculate an absolute position of a vehicle according to pulse information, where a calculation formula of the absolute position is:
wherein L is i The length of the ith crossed loop is n, and the number of pulse rising edges or the number of pulse falling edges is n;
in a preferred embodiment of the present invention, the vehicle-mounted controller is configured to obtain the number of wheel revolutions detected by the vehicle-mounted speed sensor and calculate the relative movement distance of the vehicle.
In a preferred embodiment of the present invention, the vehicle-mounted controller is configured to sum the absolute position and the relative moving distance of the vehicle to obtain the precise position of the vehicle.
As a preferred aspect of the present invention, a method for PRT precise positioning system based on inductive loop includes:
s1, the loop line transceiver generates loop line information and a high-frequency sine alternating current signal, wherein the high-frequency sine alternating current signal is composed of a carrier frequency signal and a frequency modulation signal;
s2, the induction loop receives the high-frequency sine alternating current signal to generate an alternating magnetic field;
s3, the vehicle-mounted receiving antenna receives the loop information to obtain a loop number, and basic information of the induction loop is inquired through the loop number, wherein the basic information comprises the initial loop mileage, the loop length and the loop intersection number; the vehicle-mounted receiving antenna senses an alternating magnetic field and generates a pulse signal, the vehicle-mounted controller calculates the rising edge number n of the pulse signal, and when the obtained loop line number is inconsistent with the loop line number obtained last time and is the next number of the loop line number obtained last time, the rising edge number n of the pulse is cleared;
s4, calculating the absolute position of the vehicle;
s5, obtaining the wheel revolution, calculating the relative movement distance of the vehicle: the relative movement distance of the vehicle is equal to the number of wheel revolutions multiplied by the wheel circumference, and when the vehicle-mounted controller obtains the rising edge number of the pulse signal, the number m of the wheel revolutions is reset;
and S7, summing the absolute position of the vehicle and the relative movement distance of the vehicle to obtain the accurate position of the vehicle.
As a preferred embodiment of the present invention, in a method for a PRT precise positioning system based on an induction loop, step S4 further includes: and obtaining the time interval between continuous pulse rising edges based on the pulse signal, calculating the running time of the vehicle, and obtaining the loop interval for generating two pulses by using the basic information of the induction loop so as to obtain the running speed of the train.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention provides a system and a method for PRT accurate positioning based on induction loops, which receive high-frequency sinusoidal alternating current signals through the induction loops to generate an alternating magnetic field, receive the alternating magnetic field to generate pulse signals based on a vehicle-mounted receiving antenna, and combine the loop line positions of all the induction loops recorded in advance to realize the function of absolute positioning according to the contact points between all the crossed loops of the induction loops to obtain the accurate absolute position of a vehicle, and then calculate the relative movement distance through the wheel revolution number based on a vehicle-mounted speed sensor, wherein the accuracy of the relative movement distance reaches centimeter level to obtain the accurate relative position, so as to calculate the accurate position of a train, improve the accuracy of PRT vehicle real-time positioning, and be beneficial to the running control of the vehicle.
Drawings
FIG. 1 is a diagram of an inductive loop based PRT fine positioning system architecture of the present invention.
FIG. 2 is a schematic diagram of an inductive loop of the present invention.
Icon: 1-vehicle speed sensor; 2-a vehicle-mounted controller; 3-a vehicle-mounted receiving antenna; 4-a vehicle-mounted transmitting antenna; 5-induction loop wire; 6-loop transceiver device.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1 and fig. 2, a system for PRT accurate positioning based on induction loop includes a vehicle-mounted speed sensor 1, a vehicle-mounted controller 2, a vehicle-mounted receiving antenna 3, a vehicle-mounted transmitting antenna 4, an induction loop 5, and a loop transceiver 6; the plurality of induction loops 5 are continuously arranged in the center of the road in a crossed mode, each induction loop 5 is composed of a plurality of crossed loops with the same size, each induction loop 5 is provided with a unique loop number, the loop position of each induction loop 5 is recorded in advance, the size of the crossed loops of the induction loops 5 is set according to specific practical engineering, and the crossed loops with the diameter of 6-7 meters can be generally set. The induction loop 5 is in communication connection with the vehicle-mounted receiving antenna 3 and the vehicle-mounted sending antenna 4, two ends of the induction loop 5 are respectively connected with a loop far-end box, and the loop far-end boxes are used for being connected with the induction loop 5 and the loop receiving and sending device 6.
The loop line receiving and sending equipment 6 is used for generating loop line information and a high-frequency sine alternating current signal, broadcasting the loop line information through the induction loop line 5 and receiving frequency modulation information sent by a vehicle, and meanwhile, the induction loop line 5 generates an alternating magnetic field based on the high-frequency sine alternating current signal; wherein the loop transceiver device 6 can be connected to one or more loop remote boxes;
the vehicle-mounted receiving antenna 3 is used for receiving loop information, detecting an induction loop to generate an alternating magnetic field and generating pulse information;
the vehicle-mounted controller 2 stores basic information of induction loops, which comprises loop serial numbers, loop starting mileage, loop lengths and loop intersection numbers; calculating the absolute position of the vehicle by using loop information, pulse information and stored basic information of the induction loop; the vehicle-mounted speed sensor 1 is used for detecting the wheel revolution, calculating the accumulated running distance of the vehicle, namely the relative movement distance of the vehicle, and summing the absolute position and the relative movement distance of the vehicle to obtain the accurate position of the vehicle;
the on-vehicle transmitting antenna 4 is used to transmit precise position information of the vehicle, including the number and mileage of the vehicle, to the ground.
A PRT accurate positioning method based on induction loop comprises the following steps:
s1, the loop line transceiver 6 generates loop line information and a high-frequency sine alternating current signal, wherein the high-frequency sine alternating current signal is composed of a carrier frequency signal and a frequency modulation signal;
s2, the induction loop 5 receives the high-frequency sine alternating current signal to generate an alternating magnetic field;
s3, the vehicle-mounted receiving antenna 3 receives the loop information to obtain a loop number, and basic information of the induction loop is inquired through the loop number, wherein the basic information comprises the initial loop mileage, the loop length and the loop intersection number; the vehicle-mounted receiving antenna 3 senses an alternating magnetic field and generates a pulse signal, the vehicle-mounted controller 2 calculates the rising edge number n of the pulse signal, and when the obtained loop line number is inconsistent with the loop line number obtained last time and is the next number of the loop line number obtained last time, the pulse rising edge number n is cleared;
s4, calculating the absolute position of the vehicle, and obtaining the absolute position of the vehicle according to the pulse information by obtaining the loop line position corresponding to the loop line number, wherein the calculation formula is as follows:
wherein L is i The length of the ith cross loop, and n is the number of rising edges or the number of falling edges of the pulse.
S5, obtaining the wheel revolution, calculating the relative movement distance of the vehicle: when the vehicle-mounted controller 2 obtains the number of rising edges of the pulse signal, the number m of the wheel revolutions is reset;
and S7, summing the absolute position of the vehicle and the relative movement distance of the vehicle to obtain the accurate position of the vehicle.
The pulse signal obtains the time interval between continuous pulse rising edges, calculates the running time of the vehicle, and obtains the loop interval for generating two pulses by using the basic information of the induction loop so as to obtain the running speed of the train; furthermore, each contact between the crossed rings of the induction loop lines can realize an absolute positioning function by matching the induction loop lines 5 with the vehicle-mounted speed sensor 1; the induction loop 5 can also be embedded under the center of the road, so that maintenance is reduced; in conclusion, the induction loop 5 can realize the functions of accurate positioning and speed measurement, and meanwhile, the maintenance cost is not high.
Specifically, as shown in fig. 2, a, a +1 are two adjacent induction loop lines, the a induction loop line is composed of n crossing loops, the a +1 induction loop line is composed of m crossing loops, the jth crossing loop of the ith induction loop line has a length S (i, j), that is, the nth crossing loop of La has a length S (a, n), and the induction loop line basic information is shown in table 1:
TABLE 1
When the PRT vehicle K101 enters the a +1 section of induction loop from the a section of induction loop, the vehicle K101 obtains loop information sent by the a +1 section of induction coil, namely the loop number of the a +1 section of induction loop, the vehicle K101 inquires induction loop basic information stored in the vehicle-mounted controller according to the loop number of the a +1 section, and as shown in the table 1, the initial loop mileage, namely the starting point mileage and the end point mileage, the number N (a +1) of crossed loops and the length of the crossed loops of the a +1 section of induction loop are obtained.
When the vehicle K101 runs through the 1 st cross loop of the a +1 induction loop line, a first pulse signal is generated, and the absolute position W of the vehicle K101 is calculated at the moment 1 Comprises the following steps:
meanwhile, the relative movement distance acquired by the vehicle-mounted speed sensor 1 is reset;
when the vehicle K101 obtains the first pulse signal but does not obtain the second pulse signal, the vehicle K101 calculates the relative movement distance X generated by the vehicle-mounted speed sensor 1 in real time, and further calculates the accurate position W of the vehicle K101 as:
similarly, when the vehicle K101 runs through the jth cross loop of the a +1 induction loop line, a first pulse signal is generated, and the absolute position W of the vehicle K101 is calculated at the moment 1 Comprises the following steps:
meanwhile, the relative movement distance acquired by the vehicle-mounted speed sensor 1 is reset;
when the vehicle K101 obtains the first pulse signal but does not obtain the second pulse signal, the vehicle K101 calculates the relative movement distance X generated by the vehicle-mounted speed sensor 1 in real time, and calculates the accurate position W of the vehicle K101 as:
in summary, the induction loop-based PRT accurate positioning system and method of the present invention establish communication connection with the vehicle-mounted receiving antenna 3 and the vehicle-mounted transmitting antenna 4 through the induction loop 5; the loop wire transceiver 6 generates loop wire information and a high-frequency sinusoidal alternating current signal; loop information is broadcast by the inductive loop 5 and the inductive loop 5 generates an alternating magnetic field based on a high frequency sinusoidal alternating current signal; the vehicle-mounted controller 2 inquires induction loop basic information stored by the vehicle-mounted controller according to the loop information to obtain a loop starting mileage and a loop intersection distance, and meanwhile, the accurate position of the train is comprehensively calculated by receiving alternating magnetic field production pulse information, so that the accurate position of the PRT vehicle is accurately and continuously obtained in real time, and the running of the train is accurately controlled.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A PRT accurate positioning system based on induction loop is characterized by comprising a vehicle-mounted speed sensor (1), a vehicle-mounted controller (2), a vehicle-mounted receiving antenna (3), a vehicle-mounted sending antenna (4), an induction loop (5) and loop receiving and sending equipment (6); the induction loop lines (5) are continuously arranged at the center of the road in a crossed mode, each induction loop line (5) is composed of a plurality of crossed loops with the same size, and the induction loop lines (5) are in communication connection with the vehicle-mounted receiving antenna (3) and the vehicle-mounted sending antenna (4);
the loop transceiver device (6) is configured to generate loop information and a high-frequency sinusoidal alternating current signal, to broadcast the loop information over the induction loop (5) and to receive frequency-modulated information emitted by the vehicle, to generate an alternating magnetic field based on the high-frequency sinusoidal alternating current signal;
the vehicle-mounted receiving antenna (3) is configured to receive loop information, detect an alternating magnetic field generated by an induction loop and generate pulse information;
the on-board controller (2) is configured to calculate an absolute position of the vehicle based on loop information, pulse information and stored inductive loop base information; the relative movement distance of the vehicle is obtained through the vehicle-mounted speed sensor (1), and the accurate positioning of the vehicle is obtained by combining the absolute position and the relative movement distance;
the vehicle-mounted transmitting antenna (4) is configured to transmit precise position information of the vehicle, including the number and mileage of the vehicle.
2. System for inductive loop-based PRT fine positioning according to claim 1, characterized in that the inductive loop (5) is provided with a loop remote box configured to connect the inductive loop (5) and the loop transceiver device (6).
3. The system for inductive loop-based PRT fine positioning according to claim 1, wherein the onboard controller (2) is configured to store inductive loop base information including loop number, loop start mileage, loop length and loop crossing number.
4. The system for inductive loop-based PRT fine positioning as claimed in claim 1, wherein the on-board controller (2) is configured to obtain the loop position corresponding to the loop number, and calculate the absolute position of the vehicle according to the pulse information, wherein the absolute position is calculated by the formula:
wherein L is i And n is the number of rising edges or falling edges of the pulse, and is the length of the ith crossed loop.
5. The system for inductive loop-based PRT fine positioning according to claim 1, wherein the onboard controller (2) is configured to obtain the number of wheel revolutions detected by the onboard speed sensor (1) and calculate the relative movement distance of the vehicle.
6. The system for inductive loop-based PRT fine positioning as claimed in claim 1, wherein said on-board controller (2) is configured to obtain the precise position of the vehicle by summing the absolute position and the relative movement distance of the vehicle.
7. The method of claim 1, wherein the method comprises:
s1, the loop line receiving and sending device (6) generates loop line information and a high-frequency sine alternating current signal, wherein the high-frequency sine alternating current signal is composed of a carrier frequency signal and a frequency modulation signal;
s2, the induction loop (5) receives the high-frequency sine alternating current signal to generate an alternating magnetic field;
s3, the vehicle-mounted receiving antenna (3) receives the loop information to obtain a loop number, and basic information of the induction loop is inquired through the loop number, wherein the basic information comprises the initial loop mileage, the loop length and the loop intersection number; the vehicle-mounted receiving antenna (3) senses an alternating magnetic field and generates a pulse signal, the vehicle-mounted controller (2) calculates the rising edge number n of the pulse signal, and when the obtained loop line number is inconsistent with the loop line number obtained last time and is the next number of the loop line number obtained last time, the pulse rising edge number n is reset;
s4, calculating the absolute position of the vehicle;
s5, obtaining the wheel revolution, calculating the relative movement distance of the vehicle: the relative movement distance of the vehicle is equal to the number of wheel revolutions multiplied by the wheel circumference, and when the vehicle-mounted controller (2) obtains the rising edge number of the pulse signal, the number m of the wheel revolutions is reset;
and S7, summing the absolute position of the vehicle and the relative movement distance of the vehicle to obtain the accurate position of the vehicle.
8. The method of claim 7, wherein the step S4 further comprises: and obtaining the time interval between continuous pulse rising edges based on the pulse signal, calculating the running time of the vehicle, and obtaining the loop interval for generating two pulses by using the basic information of the induction loop so as to obtain the running speed of the train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210736782.XA CN115123348B (en) | 2022-06-27 | 2022-06-27 | PRT accurate positioning system and method based on induction loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210736782.XA CN115123348B (en) | 2022-06-27 | 2022-06-27 | PRT accurate positioning system and method based on induction loop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115123348A true CN115123348A (en) | 2022-09-30 |
| CN115123348B CN115123348B (en) | 2024-05-28 |
Family
ID=83380683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210736782.XA Active CN115123348B (en) | 2022-06-27 | 2022-06-27 | PRT accurate positioning system and method based on induction loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115123348B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2912736B1 (en) * | 1979-03-30 | 1980-07-10 | Licentia Gmbh | Arrangement for pole position detection in a long-stator synchronous linear motor for a track-bound locomotive |
| US6781524B1 (en) * | 2000-03-17 | 2004-08-24 | Magnemotion, Inc. | Passive position-sensing and communications for vehicles on a pathway |
| CN101797927A (en) * | 2010-04-20 | 2010-08-11 | 中国人民解放军国防科学技术大学 | Non-contact rail traffic speed-measurement and positioning method based on sleeper detection and device thereof |
| KR20110024009A (en) * | 2009-09-01 | 2011-03-09 | 한국철도기술연구원 | Apparatus for measuring position and velocity of magnetic levitation train and method thereof |
| US20140326835A1 (en) * | 2013-05-03 | 2014-11-06 | Thales Canada Inc | Vehicle position determining system and method of using the same |
| CN105034848A (en) * | 2015-07-07 | 2015-11-11 | 中国人民解放军国防科学技术大学 | Non-contact magnetic-levitation train positioning device and method and magnetic-levitation train |
| CN113276912A (en) * | 2021-07-22 | 2021-08-20 | 北京全路通信信号研究设计院集团有限公司 | Train positioning method and system based on cross induction loop |
| CN113562033A (en) * | 2021-08-26 | 2021-10-29 | 中铁第四勘察设计院集团有限公司 | High-speed magnetic-levitation train positioning device and method based on sensing coil array |
-
2022
- 2022-06-27 CN CN202210736782.XA patent/CN115123348B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2912736B1 (en) * | 1979-03-30 | 1980-07-10 | Licentia Gmbh | Arrangement for pole position detection in a long-stator synchronous linear motor for a track-bound locomotive |
| US6781524B1 (en) * | 2000-03-17 | 2004-08-24 | Magnemotion, Inc. | Passive position-sensing and communications for vehicles on a pathway |
| KR20110024009A (en) * | 2009-09-01 | 2011-03-09 | 한국철도기술연구원 | Apparatus for measuring position and velocity of magnetic levitation train and method thereof |
| CN101797927A (en) * | 2010-04-20 | 2010-08-11 | 中国人民解放军国防科学技术大学 | Non-contact rail traffic speed-measurement and positioning method based on sleeper detection and device thereof |
| US20140326835A1 (en) * | 2013-05-03 | 2014-11-06 | Thales Canada Inc | Vehicle position determining system and method of using the same |
| CN105034848A (en) * | 2015-07-07 | 2015-11-11 | 中国人民解放军国防科学技术大学 | Non-contact magnetic-levitation train positioning device and method and magnetic-levitation train |
| CN113276912A (en) * | 2021-07-22 | 2021-08-20 | 北京全路通信信号研究设计院集团有限公司 | Train positioning method and system based on cross induction loop |
| CN113562033A (en) * | 2021-08-26 | 2021-10-29 | 中铁第四勘察设计院集团有限公司 | High-speed magnetic-levitation train positioning device and method based on sensing coil array |
Non-Patent Citations (4)
| Title |
|---|
| DAI, CH ET.: "Analysis and Design of a Speed and Position System for Maglev Vehicles", 《SENSORS》, vol. 12, no. 7, 5 September 2012 (2012-09-05) * |
| 张斌: "基于新型感应环线的磁浮列车定位测速与通信技术研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》, no. 04, pages 2 - 3 * |
| 李强: "浅谈广州地铁3号线列车定位技术", 《铁道通信信号》, vol. 48, no. 8, pages 1 - 4 * |
| 王成: "中低速磁浮车载ATP定位系统的设计与实现", 《铁路通信信号工程技术》, vol. 15, no. 10, pages 64 - 67 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115123348B (en) | 2024-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108898880B (en) | Vehicle control method and system | |
| CN110371164B (en) | System and method for detecting running direction of rail train at turnout | |
| CN1926020B (en) | Method and system for determining the position of an object moving along a course | |
| CN103612649A (en) | Method and device for accurately positioning trains on basis of laser Doppler velocity measurement | |
| CN110972066A (en) | Train and safety positioning system thereof | |
| CN202615608U (en) | Road vehicle information collection node device based on laser rangefinding | |
| CN109229156B (en) | Three-dimensional positioning system for railway vehicle | |
| CN103465938A (en) | Fast and accurate positioning device and method for railway transit vehicles | |
| CN1124858A (en) | Positioning, auto-navigating and collision preventing system for moving device in running | |
| JPH11353579A (en) | System and method for determining position of vehicle on road | |
| CN105717939A (en) | Informatization and networking implementation method of road pavement supporting automobile unmanned automatic driving | |
| CN106672016B (en) | Using the subway wheel footpath real-time detecting system and method for laser correlative detector | |
| CN102622890A (en) | Laser ranging-based road vehicle information acquisition node device | |
| CN100359560C (en) | Method and device for locating vehicles by means of the doppler shift of mobile radio signals | |
| CN101403622A (en) | Implementing ultrasonic wave positioning, navigation and ultrasonic wave loudspeaker of running vehicle | |
| JP2003052105A (en) | System and apparatus for supporting operation of movable body | |
| CN103693078A (en) | Automatic train protection method in distance-to-go mode | |
| JP2006275904A (en) | Position locating system and vehicle-mounted device | |
| CN101398947A (en) | Digital wireless electronic road and parking ground charging system | |
| CN101408992B (en) | Digital wireless electronic license plate system | |
| CN114735049B (en) | Method and system for speed measurement and positioning of maglev train based on laser radar | |
| KR20220151647A (en) | Traffic management device, traffic management system, traffic information system, retrofittable startup module, and traffic management method | |
| CN206067783U (en) | A kind of transportation control device and traffic system | |
| CN201932202U (en) | Positioning device of rail transportation vehicle | |
| CN109466591A (en) | The positioning system of rail container power flatcar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |