CA2490801A1 - Train control system and method of controlling a train or trains - Google Patents

Train control system and method of controlling a train or trains Download PDF

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Publication number
CA2490801A1
CA2490801A1 CA002490801A CA2490801A CA2490801A1 CA 2490801 A1 CA2490801 A1 CA 2490801A1 CA 002490801 A CA002490801 A CA 002490801A CA 2490801 A CA2490801 A CA 2490801A CA 2490801 A1 CA2490801 A1 CA 2490801A1
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CA
Canada
Prior art keywords
train
positioning system
information
control unit
speed
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
Application number
CA002490801A
Other languages
French (fr)
Other versions
CA2490801C (en
Inventor
Mark Edward Kane
James Francis Shockley
Harrison Thomas Hickenlooper
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Mobility Inc
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=29999291&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2490801(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to CA2660865A priority Critical patent/CA2660865C/en
Priority to CA2660868A priority patent/CA2660868C/en
Priority to CA2660867A priority patent/CA2660867C/en
Priority to CA2660869A priority patent/CA2660869C/en
Publication of CA2490801A1 publication Critical patent/CA2490801A1/en
Application granted granted Critical
Publication of CA2490801C publication Critical patent/CA2490801C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 vehicle trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
    • B61L25/021—Measuring and recording of train speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/0018—Communication with or on the vehicle or vehicle train
    • B61L15/0027—Radio-based, e.g. using GSM-R
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/0018—Communication with or on the vehicle or vehicle train
    • B61L15/0036—Conductor-based, e.g. using CAN-Bus, train-line or optical fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/0054—Train integrity supervision, e.g. end-of-train [EOT] devices
    • B61L15/0062—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/0072—On-board train data handling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/0081—On-board diagnosis or maintenance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/009—On-board display devices
    • 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 vehicle trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
    • B61L25/023—Determination of driving direction of vehicle or vehicle train
    • 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 vehicle trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or vehicle 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 vehicle trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
    • B61L25/026—Relative localisation, e.g. using odometer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/20—Trackside control of safe travel of vehicle or vehicle train, e.g. braking curve calculation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2205/00—Communication or navigation systems for railway traffic
    • B61L2205/04—Satellite based navigation systems, e.g. GPS

Abstract

A train control system includes positioning system (171) at the end of the train and at the front of the train, allowing the conductor or engineer to unambiguously determine that no cars of the train have become detached. The positioning system (171) at the end of the train is also used to verify that the entrie train has cleared a block. This information can be relayed to a dispatcher, thereby eliminating the need for trackside sensing equipment. A control unit prevents the train from moving without an authorization that includes the train's current position.

Claims (67)

1. A system for controlling a train, the system comprising:
a control unit;
a first positioning system located near a front of a train, the first positioning system being in communication with the control unit; and a second positioning system located near a rear of the train, the second positioning system being in communication with the control unit;
wherein the control unit is configured to perform the steps of monitoring information from the first positioning system;
monitoring information from the second positioning system;
comparing the information from the first positioning system to the information from the second positioning system; and taking corrective action if the comparison indicates that the front of the train has become disconnected from the rear of the train.
2. The system of Claim 1, wherein the information from the first positioning system and the information from the second positioning system comprises speed information.
3. The system of Claim 1, wherein the information from the first positioning system and the information from the second positioning system comprises position information.
4. The system of Claim 1, wherein the information from the first positioning system and the information from the second positioning system comprises position and speed information.
5. The system of Claim 1, wherein the corrective action comprises activating a train brake to stop the train.
6. The system of Claim 1, further comprising a display connected to the control unit, wherein the corrective action comprises displaying an alert on the display.
7. The system of Claim 1, further comprising a communications interface connected to the control unit, the interface being configured to provide communications between the control unit and a dispatcher.
8. The system of Claim 7, wherein the corrective action comprises alerting the dispatcher that the front of the train has become disconnected from the rear of the train.
9. The system of Claim 1, wherein the control unit is further configured to take corrective action if information from the second positioning system is not received within a predetermined time period.
10. The system of Claim 1, wherein the control unit is further configured to take corrective action if information from the second positioning system is corrupted.
11. The system of Claim 1, wherein the first positioning system and the second positioning system comprise global positioning system receivers.
12. The system of Claim 1, wherein the control unit is further configured to perform the comparing step by calculating a distance between position information reported by the first positioning system and position information from the second positioning system and comparing this difference to a threshold.
13. The system of Claim 12, wherein the threshold determined is static and is based on the distance between the first positioning system and the second positioning system when all cars on the train are connected and present on a straight track.
14. The system of Claim 12, wherein the predetermined threshold is based on consist information reported by a dispatcher.
15. The system of Claim 12, wherein the control unit is further configured to adjust the threshold as a function of a curvature of a track on which the train is traveling.
16. A method for controlling a train, the method comprising:
locating a first positioning system near a front of a train;
locating a second positioning system near a rear of the train, monitoring information from the first positioning system;
monitoring information from the second positioning system;
comparing the information from the first positioning system to the information from the second positioning system; and taking corrective action if the comparison indicates that the front of the train has become disconnected from the rear of the train.
17. The method of Claim 16, wherein the information from the first positioning system and the information from the second positioning system comprises speed information.
18. The method of Claim 16, wherein the information from the first positioning system and the information from the second positioning system comprises position information.
19. The method of Claim 16, wherein the information from the first positioning system and the information from the second positioning system comprises position and speed information.
20. The method of Claim 16, wherein the corrective action comprises activating a train brake to stop the train.
21. The method of Claim 16, wherein the corrective action comprises displaying an alert on the display.
22. The method of Claim 16, wherein the corrective action comprises alerting the dispatcher that the front of the train has become disconnected from the rear of the train.
23. The method of Claim 22, wherein the corrective action further comprises stopping the train.
24. The method of Claim 16, further comprising the step of taking corrective action if information from the second positioning system is not received within a predetermined time period.
25. The method of Claim 16, further comprising the step of taking corrective action if information from the second positioning system is corrupted.
26. A method for authorizing movement of a plurality of trains, the method comprising the steps of:
authorizing a first train to occupy a block of track, the block having a start point and an end point;
receiving an indication from the first train that a global positioning sensor located at a rear of the first train has passed the end point; and authorizing a second train to occupy the block of track.
27. The method of Claim 26, wherein the end point and the start point are fixed.
28. The method of Claim 26, wherein the end point and the start point are changed dynamically.
29. A train comprising:
an end car;
a positioning system located on the end car;
a control unit in communication with the positioning system, the control unit being configured to transmit a message to a dispatcher indicating that the positioning system has passed an end point of a block which the train has been authorized to occupy.
30. The train of Claim 29, further comprising:
a storage device connected to the control unit, the storage device including a database, the database including a location of the end, point.
31. The train of Claim 30, wherein the storage device is a non-volatile memory.
32. The train of Claim 30, wherein the control unit is further configured to receive the location of the end point from the dispatcher and store it in the database.
33. A system for controlling a train, the system comprising:
a control unit;
a first positioning system connected to the control unit; and a communications module connected to the control unit;
wherein the control unit is configured to perform the steps of accepting at least one authorization from a dispatcher, the authorization defining a boundary within which a train is authorized to move;
preventing the train from moving from a current location if the current location is not within a boundary for an accepted authorization;
monitoring a position from the positioning system; and stopping the train before the boundary is reached.
34. The system of Claim 33, wherein the stopping step is performed by calculating a stopping distance required to stop the train based in part upon a weight of the train and a speed of the train and activating a train brake before a distance between the train and the boundary is less than the stopping distance.
35. The system of Claim 34, further comprising a display connected to the control unit, wherein the control unit is further configured to display a warning on the display before activating the train brake.
36. The system of Claim 35, wherein the control unit is further configured to compare a speed received from the positioning system to a maximum allowable speed and apply a train brake if the speed received from the positioning system is greater than the maximum allowable speed.
37. The system of Claim 34, wherein the stopping distance is further based on a track grade.
38. The system of Claim 37, wherein the track grade is determined using position information from the first positioning system as an index into a map database that includes track grade information.
39. The system of Claim 34, wherein the step of activating the train brake is performed by imposing a full braking penalty.
40. The system of Claim 34, wherein the step of activating the train brake is performed by imposing a graduated braking penalty.
41. The system of Claim 33, further comprising a second positioning system located at a last car in the train, the second positioning system being in communication with the control unit, the control unit being further configured to compare information from the first positioning system and the second positioning system and take corrective action if the comparison indicates that the last car has become separated from an other car in which the first global positioning system is located.
42. The system of Claim 41, wherein the corrective action comprises stopping the train.
43. The system of Claim 41, wherein the corrective action comprises displaying an alert on a display connected to the control unit.
44. The system of Claim 41, wherein the corrective action comprises notifying a dispatcher.
45. The system of Claim 33, wherein the control unit is further configured to transmit current position and speed information for the train, receive position and speed information pertaining to other trains, determine that a collision will occur based on the position and speed information, and take corrective action to prevent the collision.
46. The system of Claim 45, wherein the position and speed information pertaining to other trains is received from a dispatcher.
47. The system of Claim 45, wherein the position and speed information pertaining to other trains is received from the other trains.
48. The system of Claim 45, wherein the current position and speed information for the train are transmitted to a dispatcher.
49. The system of Claim 45, wherein the current position and speed information for the train are transmitted to the other trains.
50. The system of Claim 45, wherein the location of other trains is displayed in a graphical format.
51. The system of Claim 50, wherein the graphical format includes a vector indicating speed and direction.
52. A method for controlling a train comprising the steps of:
receiving a speed restriction at a train, the speed restriction including a maximum allowable speed;
determining a position of the train using a positioning system;
calculating a train brake pressure sufficient to prevent violation of the speed restriction based at least in part on a grade of a track on which the train is traveling and at least in part upon the weight of the train;
applying the train brake pressure such that violation of the speed restriction is prevented.
53. The method of Claim 52, wherein the speed restriction is a temporary speed restriction.
54. The method of Claim 53, wherein the speed restriction is a Form A
speed restriction.
55. The method of Claim 53, wherein the speed restriction is a Form B
speed restriction.
56. The method of Claim 53, wherein the speed restriction is a Form C
speed restriction.
57. The method of Claim 52, wherein the speed restriction further includes a start point, the start point being located at a position within an area in which the train is authorized to travel but which the train has not yet reached, and wherein the train brake pressure is applied such that the train is gradually slowed to a speed no greater than the maximum allowable speed before the train reaches the start point.
58. The method of Claim 52, wherein the speed restriction is a permanent speed restriction.
59. The method of Claim 52, wherein the speed restriction is a train-based speed restriction.
60. A system for controlling a train comprising:
a control unit;
and a second unit in communication with the control unit, the second unit being located on a first car of a train; and a third unit being configured to perform a same function as the second unit, the third unit being located on a second car of the train different from the first car;
wherein the control unit is configured to establish communications with the third unit in the event of a problem with the second unit.
61. The system of Claim 60, wherein the second and third units comprise positioning systems.
62. The system of Claim 60, wherein the second and third units comprise brake interfaces.
63. The system of Claim 60, wherein communications between the control unit and the third unit are conducted via a power line.
64. A method for controlling the movement of a train from a section of track not on a main line to a section of main line track comprising the steps of:
receiving a track warrant to move a train within a block of main line track;
receiving a circulation authority to move from a section of track not on the main line on which the train is located to the block; and preventing the train from being moved until both the track warrant and the circulation authority have been received.
65. The method of Claim 64, wherein the circulation authority and the track warrant are received in separate messages.
66. The method of Claim 64, wherein the circulation authority and the track warrant are received in a single message.
67. The method of Claim 64, wherein the section of track not on the main line is located in a train yard.
CA2490801A 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains Expired - Lifetime CA2490801C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA2660865A CA2660865C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains
CA2660868A CA2660868C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains
CA2660867A CA2660867C (en) 2002-07-02 2003-07-02 Train control system comprising a backup communication system
CA2660869A CA2660869C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/186,426 2002-07-02
US10/186,426 US6865454B2 (en) 2002-07-02 2002-07-02 Train control system and method of controlling a train or trains
PCT/US2003/020745 WO2004005104A2 (en) 2002-07-02 2003-07-02 Train control system and method

Related Child Applications (4)

Application Number Title Priority Date Filing Date
CA2660868A Division CA2660868C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains
CA2660865A Division CA2660865C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains
CA2660869A Division CA2660869C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains
CA2660867A Division CA2660867C (en) 2002-07-02 2003-07-02 Train control system comprising a backup communication system

Publications (2)

Publication Number Publication Date
CA2490801A1 true CA2490801A1 (en) 2004-01-15
CA2490801C CA2490801C (en) 2012-09-04

Family

ID=29999291

Family Applications (5)

Application Number Title Priority Date Filing Date
CA2660867A Expired - Lifetime CA2660867C (en) 2002-07-02 2003-07-02 Train control system comprising a backup communication system
CA2490801A Expired - Lifetime CA2490801C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains
CA2660869A Expired - Lifetime CA2660869C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains
CA2660865A Expired - Lifetime CA2660865C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains
CA2660868A Expired - Lifetime CA2660868C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2660867A Expired - Lifetime CA2660867C (en) 2002-07-02 2003-07-02 Train control system comprising a backup communication system

Family Applications After (3)

Application Number Title Priority Date Filing Date
CA2660869A Expired - Lifetime CA2660869C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains
CA2660865A Expired - Lifetime CA2660865C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains
CA2660868A Expired - Lifetime CA2660868C (en) 2002-07-02 2003-07-02 Train control system and method of controlling a train or trains

Country Status (6)

Country Link
US (7) US6865454B2 (en)
AU (1) AU2003258984A1 (en)
BR (2) BR0312425A (en)
CA (5) CA2660867C (en)
MX (1) MXPA05000100A (en)
WO (1) WO2004005104A2 (en)

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CA2660867A1 (en) 2004-01-15
AU2003258984A8 (en) 2004-01-23
CA2660869A1 (en) 2004-01-15
CA2490801C (en) 2012-09-04
CA2660865C (en) 2011-03-15
US20060155434A1 (en) 2006-07-13
US7139646B2 (en) 2006-11-21
US7024289B2 (en) 2006-04-04
US20060052913A1 (en) 2006-03-09
US20060041342A1 (en) 2006-02-23
WO2004005104A2 (en) 2004-01-15
AU2003258984A1 (en) 2004-01-23
US20040006413A1 (en) 2004-01-08
CA2660865A1 (en) 2004-01-15
US7079926B2 (en) 2006-07-18
CA2660867C (en) 2012-09-11
US6865454B2 (en) 2005-03-08
CA2660869C (en) 2013-01-29
US20060041341A1 (en) 2006-02-23
CA2660868A1 (en) 2004-01-15
WO2004005104A3 (en) 2004-07-01
BR0312425A (en) 2005-08-02
US20060253234A1 (en) 2006-11-09
CA2660868C (en) 2016-04-26
MXPA05000100A (en) 2005-09-30
US7200471B2 (en) 2007-04-03
US6978195B2 (en) 2005-12-20
US20050085961A1 (en) 2005-04-21
US7092801B2 (en) 2006-08-15

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