EP1077828A1 - Procede de commande d'une automobile avec un mecanisme d'entrainement electrique - Google Patents

Procede de commande d'une automobile avec un mecanisme d'entrainement electrique

Info

Publication number
EP1077828A1
EP1077828A1 EP99924862A EP99924862A EP1077828A1 EP 1077828 A1 EP1077828 A1 EP 1077828A1 EP 99924862 A EP99924862 A EP 99924862A EP 99924862 A EP99924862 A EP 99924862A EP 1077828 A1 EP1077828 A1 EP 1077828A1
Authority
EP
European Patent Office
Prior art keywords
speed
electric
threshold value
vehicle
motor
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.)
Withdrawn
Application number
EP99924862A
Other languages
German (de)
English (en)
Inventor
Thomas Voss
Bernd Müller
Bert Hellwig
Gerald Karch
Werner Wolfgang
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP1077828A1 publication Critical patent/EP1077828A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/08—Means for preventing excessive speed of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/2009—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for braking
    • 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
    • Y02T10/64—Electric machine technologies in electromobility
    • 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
    • Y02T10/72—Electric energy management in electromobility

Definitions

  • the present invention relates to a method for controlling a motor vehicle with an electric drive, in particular a city bus, in which one or more wheels are driven by an electric motor and which is provided with an electric brake and a control circuit.
  • Vehicles with an electric drive are particularly used when pollutant emissions are to be avoided. This is particularly desirable not only when there is a risk of smog in factories and in communities. In some communities, entire areas are only permitted for vehicles with electric drives, with city buses in particular being provided with such electric drives.
  • Lead accumulators to which electric motors are connected, which drive the wheels of the motor vehicle, are usually considered as the power source for the electric drive.
  • Direct current shunt motors, the speed of which can be easily controlled, are suitable as electric motors for conventional vehicles with an electric drive.
  • hybrid vehicles Proposed which have an electric drive with an electric motor and rechargeable vehicle batteries and an internal combustion engine for driving a generator that charges the vehicle battery.
  • Hybrid drives have the advantage over conventional purely electric drives that the problems of limited range and long recharging times of the vehicle batteries can be overcome; however, the volume and weight problems cannot be eliminated by a hybrid drive, but rather increase by the additional internal combustion engine.
  • a hybrid vehicle is known from DE A 44 44 545, this hybrid vehicle having an internal combustion engine for driving the vehicle, an electric motor for driving the vehicle, a battery for feeding the electric motor and a generator different from the electric motor for charging the battery.
  • This is a so-called parallel hybrid vehicle, in which the battery is charged via the electric motor, which can be switched as a generator when the vehicle is driven by the internal combustion engine.
  • Such a parallel hybrid vehicle is therefore a vehicle that can be used as a purely electric vehicle for short distances (up to approx. 100 km), but is otherwise designed as a vehicle with an internal combustion engine and is predominantly used with it.
  • DE A 195 23 985 discloses a control device for such a hybrid vehicle with an electric motor and an internal combustion engine as energy sources, wherein energy generated by the drive motor is applied to a motor / generator via a generator inverter is so that the motor / generator drives the internal combustion engine in order to apply a braking force thereon.
  • regenerative braking that is to say the regenerative braking of the motor
  • the charging of the battery is supported by the current generated by the regenerative braking, the battery being in its saturated state easily reached. Accordingly, even if the regenerative operation of the engine is performed after the battery has reached the state of charge, the latter cannot be charged; their current level is reduced accordingly and the braking force of the motor is therefore lower.
  • the object of the invention is to propose a method for controlling a motor vehicle which reliably prevents the maximum speed limit from being exceeded.
  • the inventive method which has the advantage, with little construction, to prevent a simple electrical control of the electric drive that under unfavorable conditions such.
  • B. long downhill descent, the maximum permissible speed limit of the electric drive is exceeded, is suitable for both vehicles with purely electric drive as well as for hybrid vehicles during the sole use of their electric motor, d. H. with the internal combustion engine switched off.
  • the drive torque M is reduced when a first predetermined threshold value 1 of the rotational speed n of the electric motor of the vehicle is exceeded, and when the Speed n reduced to zero, as shown by reference numeral 2.
  • the electric brake is activated, which is applied with increasing speed increase until the maximum braking torque 4 is exerted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

L'invention concerne un procédé de commande d'une automobile avec un mécanisme d'entraînement électrique, notamment un bus de transport urbain dont une ou plusieurs roues sont entraînées par un moteur électrique et qui comprend un frein électrique et un circuit de commande. Lorsqu'une première valeur-seuil (1) prédéfinie du régime (n) du moteur électrique est dépassée, le moment d'entrée (M) est réduit et est ramené à zéro à mesure que le régime (n) augmente. En cas de dépassement d'une seconde valeur-seuil (3) prédéfinie du régime (n), supérieure à la première valeur-seuil (1), le frein électrique est enclenché et exerce, à mesure que le régime augmente, le moment de freinage maximal lorsqu'une valeur-seuil (4) est atteinte.
EP99924862A 1998-05-09 1999-05-03 Procede de commande d'une automobile avec un mecanisme d'entrainement electrique Withdrawn EP1077828A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19820900A DE19820900A1 (de) 1998-05-09 1998-05-09 Verfahren zur Steuerung eines Kraftfahrzeuges mit Elektroantrieb
DE19820900 1998-05-09
PCT/EP1999/002981 WO1999058361A1 (fr) 1998-05-09 1999-05-03 Procede de commande d'une automobile avec un mecanisme d'entrainement electrique

Publications (1)

Publication Number Publication Date
EP1077828A1 true EP1077828A1 (fr) 2001-02-28

Family

ID=7867296

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99924862A Withdrawn EP1077828A1 (fr) 1998-05-09 1999-05-03 Procede de commande d'une automobile avec un mecanisme d'entrainement electrique

Country Status (5)

Country Link
US (1) US6313592B1 (fr)
EP (1) EP1077828A1 (fr)
JP (1) JP2002514880A (fr)
DE (1) DE19820900A1 (fr)
WO (1) WO1999058361A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6986727B2 (en) * 2003-12-23 2006-01-17 Caterpillar Inc. Retarding control for an electric drive machine
JP2005333729A (ja) * 2004-05-20 2005-12-02 Moric Co Ltd 電動車両の駆動制御装置
US20070284170A1 (en) * 2006-06-13 2007-12-13 Kuras Brian D Retarding control for hydromechanical drive machine
CN103895530A (zh) * 2012-12-27 2014-07-02 上海大郡动力控制技术有限公司 车载电机控制***的限速策略
CN106740268A (zh) * 2017-02-10 2017-05-31 成都雅骏新能源汽车科技股份有限公司 一种纯电动汽车最高车速限速方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231414A (en) 1975-09-03 1977-03-09 Hitachi Ltd Safety device for electromobile
US5030898A (en) * 1990-03-30 1991-07-09 General Electric Company Variable voltage limit control for an electric propulsion system
US5264763A (en) * 1992-10-29 1993-11-23 Schaeff Inc. Optimizing system for vehicle traction motors
DE4444545B4 (de) 1993-12-22 2004-05-27 Volkswagen Ag Antriebsstrang für ein Hybridfahrzeug
KR100206106B1 (ko) * 1993-12-22 1999-07-01 캐빈 엠. 리어든 전기차량의 속도제어장치 및 그 제어방법
JP3178503B2 (ja) 1994-07-01 2001-06-18 株式会社デンソー ハイブリッド自動車の制御装置
US5565760A (en) 1994-11-02 1996-10-15 General Electric Company Electrical propulsion systems for a golf car

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9958361A1 *

Also Published As

Publication number Publication date
DE19820900A1 (de) 1999-11-11
JP2002514880A (ja) 2002-05-21
WO1999058361A1 (fr) 1999-11-18
US6313592B1 (en) 2001-11-06

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