CA2635895A1 - Method of optimizing train operation - Google Patents

Method of optimizing train operation Download PDF

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Publication number
CA2635895A1
CA2635895A1 CA002635895A CA2635895A CA2635895A1 CA 2635895 A1 CA2635895 A1 CA 2635895A1 CA 002635895 A CA002635895 A CA 002635895A CA 2635895 A CA2635895 A CA 2635895A CA 2635895 A1 CA2635895 A1 CA 2635895A1
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CA
Canada
Prior art keywords
train
determining
operating parameters
determined
conditions
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
CA002635895A
Other languages
French (fr)
Other versions
CA2635895C (en
Inventor
Stephen K. Nickles
Michael J. Hawthorne
John E. Haley
Bryan M. Mclaughlin
Marshall G. Beck
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.)
New York Air Brake LLC
Original Assignee
New York Air Brake Corporation
Stephen K. Nickles
Michael J. Hawthorne
John E. Haley
Bryan M. Mclaughlin
Marshall G. Beck
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=22020025&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2635895(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by New York Air Brake Corporation, Stephen K. Nickles, Michael J. Hawthorne, John E. Haley, Bryan M. Mclaughlin, Marshall G. Beck filed Critical New York Air Brake Corporation
Priority to CA2652065A priority Critical patent/CA2652065C/en
Publication of CA2635895A1 publication Critical patent/CA2635895A1/en
Application granted granted Critical
Publication of CA2635895C publication Critical patent/CA2635895C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18Safety devices; Monitoring
    • B60T17/22Devices for monitoring or checking brake systems; Signal devices
    • B60T17/228Devices for monitoring or checking brake systems; Signal devices for railway vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66Electrical control in fluid-pressure brake systems
    • B60T13/665Electrical control in fluid-pressure brake systems the systems being specially adapted for transferring two or more command signals, e.g. railway systems
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/0205Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system
    • G05B13/024Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system in which a parameter or coefficient is automatically adjusted to optimise the performance

Abstract

A method of optimizing train operation includes determining conditions of location, track profile and train forces of the train. Next, a set of preliminary train restraint operating parameters are determined from the determined conditions. Also, at least one of a set of preliminary train optimizable operating parameters to minimize train forces, to maximize fuel efficiency and to minimize time to destination is determined. The determined set of preliminary train operating parameters are weighted and combined. Optimized train operating parameters are determined from the weighted and combined preliminary train operating parameters. Engineering train and access is also performed.

Claims (8)

1. A method of optimizing train operation comprising:
determining conditions of location, train characteristics and track profile;
determining, from the determined conditions, forces exerted by grade and rolling resistance throughout the train for ensuing track profile; and determining optimized train operating parameters to maintain grade.
2. A method of optimizing train operation comprising:
determining conditions of location, train characteristics and track profile;
determining, from the determined conditions, forces exerted by grade and rolling resistance throughout the train for ensuing track profile; and determining optimized train operating parameters to a stop in a minimum distance.
3. The method according to Claim 2, wherein the method is repeated until the train is stopped.
4. A method of optimizing train operation comprising:
determining conditions of location, train characteristics and track profile;
determining, from the determined conditions, coupler forces and slack action throughout the train for ensuing track; and determining optimized train operating parameters to minimize slack action and to maintain coupler forces below a set limit.
5. The method according to Claim 4, including determining at least one of steady state draft and buff, transient draft and buff and lateral over vertical force ratio.
6. The method according to Claim 4, wherein determining optimized train operating parameters if slack action has been determined includes determining train operating parameters which achieve zero acceleration within the train.
7. The method according to Claim 4, including determining if the slack action and coupler forces exceed predetermined limits and notifying an operator if either exceed the limits.
8. The method according to Claim 7, including determining if the operator took appropriate action and if not automatically controlling the train to the determined optimized operating parameters.
CA002635895A 1997-09-12 1998-09-11 Method of optimizing train operation Expired - Lifetime CA2635895C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2652065A CA2652065C (en) 1997-09-12 1998-09-11 Method of optimizing train operation

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5897097P 1997-09-12 1997-09-12
US60/058,970 1997-09-12
CA002303281A CA2303281C (en) 1997-09-12 1998-09-11 Method of optimizing train operation

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002303281A Division CA2303281C (en) 1997-09-12 1998-09-11 Method of optimizing train operation

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2652065A Division CA2652065C (en) 1997-09-12 1998-09-11 Method of optimizing train operation

Publications (2)

Publication Number Publication Date
CA2635895A1 true CA2635895A1 (en) 1999-03-25
CA2635895C CA2635895C (en) 2009-11-17

Family

ID=22020025

Family Applications (3)

Application Number Title Priority Date Filing Date
CA002635895A Expired - Lifetime CA2635895C (en) 1997-09-12 1998-09-11 Method of optimizing train operation
CA002303281A Expired - Lifetime CA2303281C (en) 1997-09-12 1998-09-11 Method of optimizing train operation
CA2652065A Expired - Lifetime CA2652065C (en) 1997-09-12 1998-09-11 Method of optimizing train operation

Family Applications After (2)

Application Number Title Priority Date Filing Date
CA002303281A Expired - Lifetime CA2303281C (en) 1997-09-12 1998-09-11 Method of optimizing train operation
CA2652065A Expired - Lifetime CA2652065C (en) 1997-09-12 1998-09-11 Method of optimizing train operation

Country Status (7)

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US (2) US6144901A (en)
EP (1) EP1017578A1 (en)
AU (1) AU753354B2 (en)
BR (1) BR9814278A (en)
CA (3) CA2635895C (en)
WO (1) WO1999014093A1 (en)
ZA (1) ZA988358B (en)

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US6144901A (en) 2000-11-07
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