ATE519649T1 - System und verfahren für effizientere zughandhabung und effizienteren kraftstoffverbrauch - Google Patents

System und verfahren für effizientere zughandhabung und effizienteren kraftstoffverbrauch

Info

Publication number
ATE519649T1
ATE519649T1 AT06784643T AT06784643T ATE519649T1 AT E519649 T1 ATE519649 T1 AT E519649T1 AT 06784643 T AT06784643 T AT 06784643T AT 06784643 T AT06784643 T AT 06784643T AT E519649 T1 ATE519649 T1 AT E519649T1
Authority
AT
Austria
Prior art keywords
train
railroad
track
locomotive consist
fuel consumption
Prior art date
Application number
AT06784643T
Other languages
English (en)
Inventor
Wolfgang Daum
Glenn R Shaffer
Daniel Ballesty
Original Assignee
Gen Electric
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=36888944&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE519649(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of ATE519649T1 publication Critical patent/ATE519649T1/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/32Control or regulation of multiple-unit electrically-propelled vehicles
    • B60L15/34Control or regulation of multiple-unit electrically-propelled vehicles with human control of a setting device
    • B60L15/36Control or regulation of multiple-unit electrically-propelled vehicles with human control of a setting device with automatic control superimposed, e.g. to prevent excessive motor current
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • B61C17/12Control gear; Arrangements for controlling locomotives from remote points in the train or when operating in multiple units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0058On-board optimisation of vehicle or vehicle train operation
    • 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
    • G05B13/021Adaptive 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 variable is automatically adjusted to optimise the performance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00Type of vehicles
    • B60L2200/26Rail vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2260/00Operating Modes
    • B60L2260/40Control modes
    • B60L2260/46Control modes by self learning
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • General Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Evolutionary Computation (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Power Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
AT06784643T 2005-06-08 2006-06-07 System und verfahren für effizientere zughandhabung und effizienteren kraftstoffverbrauch ATE519649T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/148,815 US7522990B2 (en) 2005-06-08 2005-06-08 System and method for improved train handling and fuel consumption
PCT/US2006/022146 WO2006133306A1 (en) 2005-06-08 2006-06-07 System and method for improved train handling and fuel consumption

Publications (1)

Publication Number Publication Date
ATE519649T1 true ATE519649T1 (de) 2011-08-15

Family

ID=36888944

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06784643T ATE519649T1 (de) 2005-06-08 2006-06-07 System und verfahren für effizientere zughandhabung und effizienteren kraftstoffverbrauch

Country Status (12)

Country Link
US (2) US7522990B2 (de)
EP (1) EP1893461B1 (de)
JP (1) JP5033124B2 (de)
CN (1) CN101208231B (de)
AT (1) ATE519649T1 (de)
AU (1) AU2006254989B2 (de)
BR (1) BRPI0613210A2 (de)
CA (1) CA2610195C (de)
MX (1) MX2007015434A (de)
RU (1) RU2409484C2 (de)
WO (1) WO2006133306A1 (de)
ZA (1) ZA200710976B (de)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8280566B2 (en) * 2006-04-17 2012-10-02 General Electric Company Method, system, and computer software code for automated establishment of a distributed power train
US9233696B2 (en) 2006-03-20 2016-01-12 General Electric Company Trip optimizer method, system and computer software code for operating a railroad train to minimize wheel and track wear
US10569792B2 (en) 2006-03-20 2020-02-25 General Electric Company Vehicle control system and method
US10464579B2 (en) 2006-04-17 2019-11-05 Ge Global Sourcing Llc System and method for automated establishment of a vehicle consist
US10308265B2 (en) 2006-03-20 2019-06-04 Ge Global Sourcing Llc Vehicle control system and method
US9733625B2 (en) * 2006-03-20 2017-08-15 General Electric Company Trip optimization system and method for a train
US20070225878A1 (en) * 2006-03-20 2007-09-27 Kumar Ajith K Trip optimization system and method for a train
US10338580B2 (en) 2014-10-22 2019-07-02 Ge Global Sourcing Llc System and method for determining vehicle orientation in a vehicle consist
US9950722B2 (en) 2003-01-06 2018-04-24 General Electric Company System and method for vehicle control
US8924049B2 (en) 2003-01-06 2014-12-30 General Electric Company System and method for controlling movement of vehicles
US7522990B2 (en) * 2005-06-08 2009-04-21 General Electric Company System and method for improved train handling and fuel consumption
US8788135B2 (en) * 2006-03-20 2014-07-22 General Electric Company System, method, and computer software code for providing real time optimization of a mission plan for a powered system
US9828010B2 (en) * 2006-03-20 2017-11-28 General Electric Company System, method and computer software code for determining a mission plan for a powered system using signal aspect information
US9266542B2 (en) * 2006-03-20 2016-02-23 General Electric Company System and method for optimized fuel efficiency and emission output of a diesel powered system
US9156477B2 (en) 2006-03-20 2015-10-13 General Electric Company Control system and method for remotely isolating powered units in a vehicle system
US9689681B2 (en) * 2014-08-12 2017-06-27 General Electric Company System and method for vehicle operation
US9527518B2 (en) 2006-03-20 2016-12-27 General Electric Company System, method and computer software code for controlling a powered system and operational information used in a mission by the powered system
US8473127B2 (en) * 2006-03-20 2013-06-25 General Electric Company System, method and computer software code for optimizing train operations considering rail car parameters
US8370006B2 (en) 2006-03-20 2013-02-05 General Electric Company Method and apparatus for optimizing a train trip using signal information
US8249763B2 (en) 2006-03-20 2012-08-21 General Electric Company Method and computer software code for uncoupling power control of a distributed powered system from coupled power settings
US8370007B2 (en) 2006-03-20 2013-02-05 General Electric Company Method and computer software code for determining when to permit a speed control system to control a powered system
US20080167766A1 (en) * 2006-03-20 2008-07-10 Saravanan Thiyagarajan Method and Computer Software Code for Optimizing a Range When an Operating Mode of a Powered System is Encountered During a Mission
US8401720B2 (en) * 2006-03-20 2013-03-19 General Electric Company System, method, and computer software code for detecting a physical defect along a mission route
US9201409B2 (en) 2006-03-20 2015-12-01 General Electric Company Fuel management system and method
US8126601B2 (en) 2006-03-20 2012-02-28 General Electric Company System and method for predicting a vehicle route using a route network database
US8768543B2 (en) * 2006-03-20 2014-07-01 General Electric Company Method, system and computer software code for trip optimization with train/track database augmentation
US8290645B2 (en) 2006-03-20 2012-10-16 General Electric Company Method and computer software code for determining a mission plan for a powered system when a desired mission parameter appears unobtainable
US7893636B2 (en) * 2007-10-31 2011-02-22 Progress Rail Services Corp Mobile machine with one or more electric propulsion motors
US8140203B2 (en) * 2008-04-08 2012-03-20 General Electric Company Method for controlling vehicle operation incorporating quick clearing function
WO2010026786A1 (ja) * 2008-09-03 2010-03-11 三菱電機株式会社 電力供給制御システムおよび電力供給制御方法
DE102008054703A1 (de) * 2008-12-16 2010-06-17 Robert Bosch Gmbh Verfahren und Vorrichtung zum Ausgeben einer auf eine energieverbrauchsoptimale Beschleunigungsmöglichkeit hinweisenden Fahrinformation in einem Kraftfahrzeug
JP2010183687A (ja) * 2009-02-04 2010-08-19 Hitachi Constr Mach Co Ltd 電動機駆動トラックの運転支援装置および方法
US9834237B2 (en) 2012-11-21 2017-12-05 General Electric Company Route examining system and method
US8234023B2 (en) * 2009-06-12 2012-07-31 General Electric Company System and method for regulating speed, power or position of a powered vehicle
PL2524134T3 (pl) 2010-01-14 2014-11-28 Neptco Inc Komponenty łopaty wirnika turbiny wiatrowej i sposoby ich wytwarzania
US10137542B2 (en) 2010-01-14 2018-11-27 Senvion Gmbh Wind turbine rotor blade components and machine for making same
FR2958759B1 (fr) * 2010-04-09 2012-11-16 Airbus Operations Sas Procede et dispositif de recalage de la position d'un aeronef lors d'un vol.
KR101173361B1 (ko) * 2010-05-10 2012-08-20 엘에스산전 주식회사 철도차량 하중 측정장치 및 방법
WO2012049767A1 (ja) * 2010-10-15 2012-04-19 トヨタ自動車株式会社 車両用情報処理システム及び運転支援システム
US9360330B2 (en) 2011-05-23 2016-06-07 Toyota Jidosha Kabushiki Kaisha Information processing system for vehicle
JP5373861B2 (ja) * 2011-07-20 2013-12-18 株式会社日立製作所 列車制御システム
US9897082B2 (en) 2011-09-15 2018-02-20 General Electric Company Air compressor prognostic system
US8914168B2 (en) 2012-04-05 2014-12-16 Union Pacific Railroad Company System and method for automated locomotive startup and shutdown recommendations
US20130280095A1 (en) 2012-04-20 2013-10-24 General Electric Company Method and system for reciprocating compressor starting
US9669851B2 (en) 2012-11-21 2017-06-06 General Electric Company Route examination system and method
US9682716B2 (en) 2012-11-21 2017-06-20 General Electric Company Route examining system and method
KR101462625B1 (ko) * 2013-04-16 2014-11-19 한국철도기술연구원 전기 철도 차량의 에코 드라이빙 장치 및 그 방법
US10814856B2 (en) * 2013-06-12 2020-10-27 Ge Global Sourcing Llc System and method for determining effectiveness of a friction modifier along a route segment
US20140371959A1 (en) * 2013-06-12 2014-12-18 General Electric Company System and method for determining effectiveness of a friction modifier along a route segment
CN103879414B (zh) * 2014-03-26 2016-03-30 中车信息技术有限公司 一种基于自适应A-Star算法的铁路机车优化操纵方法
US10399584B2 (en) 2014-03-27 2019-09-03 Ge Global Sourcing Llc System and method integrating an energy management system and yard planner system
CN103847749B (zh) * 2014-03-27 2016-03-30 中车信息技术有限公司 一种双层多目标优化铁路机车操纵序列生成方法
RU2612459C2 (ru) * 2014-04-04 2017-03-09 Общество с ограниченной ответственностью "Смартвиз", ООО "Смартвиз" Способ и система повышения кпд подвижного состава
CN106458226B (zh) * 2014-04-04 2018-10-26 斯玛特维斯有限责任公司 用于提高机车车辆的效率的方法和系统
EA027967B1 (ru) * 2014-04-04 2017-09-29 Общество с ограниченной ответственностью "Смартвиз" Способ и система повышения кпд подвижного состава
EA029113B1 (ru) * 2015-01-30 2018-02-28 Общество с ограниченной ответственностью "Смартвиз" Способ и система энергооптимального управления автономным железнодорожным подвижным составом
EA028265B1 (ru) * 2015-06-04 2017-10-31 Общество с ограниченной ответственностью "Смартвиз" Способ и система энергооптимального управления железнодорожным подвижным составом, учитывающие возможные аварийные ситуации
EA030753B1 (ru) * 2016-03-11 2018-09-28 Общество с ограниченной ответственностью "Смартвиз" Способ и система повышения эффективности управления подвижным объектом с учетом массы подвижного объекта в процессе движения подвижного объекта
RU2623004C1 (ru) * 2016-03-22 2017-06-21 ООО "Смартвиз" Способ и устройство повышения эффективности движения железнодорожного транспорта на участке пути
US10705519B2 (en) 2016-04-25 2020-07-07 Transportation Ip Holdings, Llc Distributed vehicle system control system and method
US10279823B2 (en) * 2016-08-08 2019-05-07 General Electric Company System for controlling or monitoring a vehicle system along a route
US10532754B2 (en) 2016-10-31 2020-01-14 Ge Global Sourcing Llc System for controlling or monitoring a vehicle system along a route
RU2667679C1 (ru) * 2017-07-07 2018-09-24 Общество С Ограниченной Ответственностью "Авп Технология" Система автоматизированного ведения грузового поезда с регулятором скорости, адаптированным к езде по конкретному профилю пути
CN110134743B (zh) * 2019-05-20 2021-03-16 西南交通大学 一种成品板外形尺寸的数据库管理系统及方法
CN113126183A (zh) * 2021-03-05 2021-07-16 中国气象科学研究院 一种基于铁路网的大气三维结构动态信息群观测平台

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4042810A (en) 1975-01-25 1977-08-16 Halliburton Company Method and apparatus for facilitating control of a railway train
CA1110742A (en) * 1977-05-16 1981-10-13 Kansas City Southern Railway Company, Inc. (The) Fuel saver arrangement for locomotives
US4344364A (en) * 1980-05-09 1982-08-17 Halliburton Company Apparatus and method for conserving fuel in the operation of a train consist
US4602335A (en) * 1983-08-10 1986-07-22 K.C. Southern Railway Company Fuel efficient control of multiple unit locomotive consists
US4663713A (en) * 1984-02-21 1987-05-05 J. I. Case Company Automatic power control for variable power train
US4648040A (en) * 1984-02-21 1987-03-03 J. I. Case Company Engine monitor/control microprocessor for continuously variable power train
US4663714A (en) * 1984-10-18 1987-05-05 J. I. Case Company Synchronized mid-mounted clutch for variable power train
EP0389610A4 (en) 1988-09-28 1992-09-16 Teknis Systems (Australia) Pty. Ltd. A system for energy conservation on rail vehicles
US5825322A (en) * 1993-05-19 1998-10-20 Alliedsignal Inc. Method and apparatus for rotating an electronically-scanned radar beam employing a variable-dwell scanning process
US5950967A (en) 1997-08-15 1999-09-14 Westinghouse Air Brake Company Enhanced distributed power
EP1017578A1 (de) 1997-09-12 2000-07-12 New York Air Brake Corporation Verfahren zum optimieren des zugbetriebs und zum trainieren
US6222480B1 (en) * 1999-03-24 2001-04-24 Alliedsignal Multifunction aircraft transponder
US7164975B2 (en) 1999-06-15 2007-01-16 Andian Technologies Ltd. Geometric track and track/vehicle analyzers and methods for controlling railroad systems
US6332106B1 (en) * 1999-09-16 2001-12-18 New York Air Brake Corporation Train handling techniques and analysis
US6434452B1 (en) 2000-10-31 2002-08-13 General Electric Company Track database integrity monitor for enhanced railroad safety distributed power
US7302895B2 (en) * 2002-02-28 2007-12-04 General Electric Company Configurable locomotive
US6434462B1 (en) * 2001-06-28 2002-08-13 Deere & Company GPS control of a tractor-towed implement
US6819996B2 (en) * 2002-12-30 2004-11-16 Caterpillar Inc Control system for operating a vehicle within a limited engine speed range
US8538611B2 (en) * 2003-01-06 2013-09-17 General Electric Company Multi-level railway operations optimization system and method
US7047938B2 (en) * 2004-02-03 2006-05-23 General Electric Company Diesel engine control system with optimized fuel delivery
US7522990B2 (en) * 2005-06-08 2009-04-21 General Electric Company System and method for improved train handling and fuel consumption

Also Published As

Publication number Publication date
CN101208231B (zh) 2012-10-10
CA2610195C (en) 2013-03-12
JP5033124B2 (ja) 2012-09-26
JP2008543631A (ja) 2008-12-04
EP1893461B1 (de) 2011-08-10
EP1893461A1 (de) 2008-03-05
AU2006254989A1 (en) 2006-12-14
US20090204317A1 (en) 2009-08-13
US7590485B2 (en) 2009-09-15
US7522990B2 (en) 2009-04-21
US20060282199A1 (en) 2006-12-14
CN101208231A (zh) 2008-06-25
AU2006254989B2 (en) 2012-04-19
RU2007145430A (ru) 2009-06-20
ZA200710976B (en) 2008-11-26
WO2006133306A1 (en) 2006-12-14
CA2610195A1 (en) 2006-12-14
BRPI0613210A2 (pt) 2010-12-28
MX2007015434A (es) 2008-02-21
RU2409484C2 (ru) 2011-01-20

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