DE69400844D1 - Verfahren und Vorrichtung zur Getriebesteuerung eines Fahrzeugs unter Sicherstellung der kleinstmöglichen Impulsbreite - Google Patents

Verfahren und Vorrichtung zur Getriebesteuerung eines Fahrzeugs unter Sicherstellung der kleinstmöglichen Impulsbreite

Info

Publication number
DE69400844D1
DE69400844D1 DE69400844T DE69400844T DE69400844D1 DE 69400844 D1 DE69400844 D1 DE 69400844D1 DE 69400844 T DE69400844 T DE 69400844T DE 69400844 T DE69400844 T DE 69400844T DE 69400844 D1 DE69400844 D1 DE 69400844D1
Authority
DE
Germany
Prior art keywords
pulse
solenoid
pulse period
command
current
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.)
Expired - Fee Related
Application number
DE69400844T
Other languages
English (en)
Other versions
DE69400844T2 (de
Inventor
James Melvin Slicker
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.)
Eaton Corp
Original Assignee
Eaton Corp
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=22107913&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69400844(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of DE69400844D1 publication Critical patent/DE69400844D1/de
Application granted granted Critical
Publication of DE69400844T2 publication Critical patent/DE69400844T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/32—Electric motors actuators or related electrical control means therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0251—Elements specially adapted for electric control units, e.g. valves for converting electrical signals to fluid signals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/066—Control of fluid pressure, e.g. using an accumulator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/02—Clutches
    • B60W2710/021—Clutch engagement state
    • B60W2710/022—Clutch actuator position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/302—Signal inputs from the actuator
    • F16D2500/3022—Current
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/302—Signal inputs from the actuator
    • F16D2500/3026—Stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/302—Signal inputs from the actuator
    • F16D2500/3028—Voltage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70402—Actuator parameters
    • F16D2500/7041—Position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70402—Actuator parameters
    • F16D2500/70418—Current
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/706—Strategy of control
    • F16D2500/7061—Feed-back
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/71—Actions
    • F16D2500/7107—Others
    • F16D2500/7109—Pulsed signal; Generating or processing pulsed signals; PWM, width modulation, frequency or amplitude modulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0251—Elements specially adapted for electric control units, e.g. valves for converting electrical signals to fluid signals
    • F16H2061/0255—Solenoid valve using PWM or duty-cycle control
DE69400844T 1993-06-07 1994-06-03 Verfahren und Vorrichtung zur Getriebesteuerung eines Fahrzeugs unter Sicherstellung der kleinstmöglichen Impulsbreite Expired - Fee Related DE69400844T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/072,486 US5404301A (en) 1993-06-07 1993-06-07 Method and apparatus of vehicle transmission control by assured minimum pulse width

Publications (2)

Publication Number Publication Date
DE69400844D1 true DE69400844D1 (de) 1996-12-12
DE69400844T2 DE69400844T2 (de) 1997-05-15

Family

ID=22107913

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69400844T Expired - Fee Related DE69400844T2 (de) 1993-06-07 1994-06-03 Verfahren und Vorrichtung zur Getriebesteuerung eines Fahrzeugs unter Sicherstellung der kleinstmöglichen Impulsbreite

Country Status (14)

Country Link
US (1) US5404301A (de)
EP (1) EP0628742B1 (de)
JP (1) JPH07151225A (de)
KR (1) KR100300295B1 (de)
CN (1) CN1053624C (de)
AT (1) ATE145043T1 (de)
AU (1) AU668037B2 (de)
BR (1) BR9401772A (de)
CA (1) CA2125133C (de)
CZ (1) CZ287765B6 (de)
DE (1) DE69400844T2 (de)
ES (1) ES2094026T3 (de)
RU (1) RU2123440C1 (de)
ZA (1) ZA943867B (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100193241B1 (ko) * 1994-06-22 1999-06-15 정몽규 자동 변속시스템의 페일 세이프 장치
US5640322A (en) * 1994-12-15 1997-06-17 General Motors Corporation System for controlling the operation of a vehicular transmission
DE19536320C2 (de) * 1995-09-29 1997-07-17 Fichtel & Sachs Ag Verfahren und Vorrichtung zum Ändern eines Nutzmoments in einem Antriebsstrang eines Kraftfahrzeugs
GB2314901B (en) * 1996-07-02 2001-02-14 Luk Getriebe Systeme Gmbh Fluid-operated regulating apparatus and method of using the same
KR100260153B1 (ko) * 1996-12-17 2000-08-01 정몽규 자동 변속기의 변속 제어장치 및 그 제어방법
US6022295A (en) * 1998-11-12 2000-02-08 Eaton Corporation Touch point identification for vehicle master clutch
US5980428A (en) * 1998-11-13 1999-11-09 Eaton Corporation Vehicle launch automated master clutch control
US6071211A (en) * 1998-11-18 2000-06-06 Eaton Corporation Idle drive torque control for automated vehicle master clutch
DE10084246T1 (de) 1999-02-19 2003-04-24 Automatic Switch Co Proportionaldurchströmventil mit erweitertem Strömungsbereich
JP3620638B2 (ja) * 1999-04-30 2005-02-16 ジヤトコ株式会社 自動変速機の制御装置
JP3559895B2 (ja) * 1999-10-18 2004-09-02 日産自動車株式会社 液圧制御装置
AU2001229548A1 (en) * 2000-02-18 2001-08-27 Asco Controls, L.P. Extended range proportional valve
FR2806670B1 (fr) * 2000-03-23 2002-06-07 Renault Dispositif pour commander un recepteur hydraulique de boite de vitesses automatique, et procede applique a ce dispositif
US6341552B1 (en) * 2000-04-27 2002-01-29 Eaton Corporation Self-calibrating system and method for controlling a hydraulically operated device
GB2361980A (en) 2000-05-05 2001-11-07 Eaton Corp Dry clutch control system using idle drive torque so as to provide vehicle crawl speed
US6308725B1 (en) * 2000-06-10 2001-10-30 Delphi Technologies, Inc. Apparatus for controlling hydraulic fluid pressure
JP4794721B2 (ja) * 2000-06-30 2011-10-19 いすゞ自動車株式会社 クラッチ制御装置
EP1320695B1 (de) * 2000-09-18 2006-03-29 Siemens Aktiengesellschaft Verfahren zum regeln einer automatischen kraftfahrzeugkupplung
DE10046106C1 (de) * 2000-09-18 2002-04-25 Siemens Ag Verfahren zum Regeln einer automatischen Kraftfahrzeugkupplung
US6494810B1 (en) * 2001-05-30 2002-12-17 Eaton Corporation Clutch calibration and control
DE10160477A1 (de) * 2001-12-08 2003-06-18 Ballard Power Systems Verfahren zur Steuerung eines Stellglieds
ITBO20030002A1 (it) 2003-01-02 2004-07-03 Ferrari Spa Metodo ed unita' per il controllo di una frizione
DE10304711B4 (de) * 2003-02-06 2007-10-18 Daimlerchrysler Ag Verfahren zur Steuerung eines Elektromagnetventils, insbesondere für ein Automatikgetriebe eines Kraftfahrzeugs
KR100507485B1 (ko) * 2003-05-27 2005-08-17 현대자동차주식회사 자동 변속기의 솔레노이드 플런저 보정 제어장치 및 방법
AT7553U1 (de) * 2004-02-23 2005-05-25 Magna Drivetrain Ag & Co Kg Antriebsstrang eines allradgetriebenen fahrzeuges
US7156365B2 (en) * 2004-07-27 2007-01-02 Kelsey-Hayes Company Method of controlling microvalve actuator
JP4483770B2 (ja) * 2005-11-18 2010-06-16 株式会社デンソー 電磁弁異常診断方法
DE102006035134A1 (de) * 2006-07-29 2008-01-31 Zf Friedrichshafen Ag Kupplungssystem
JP2008157276A (ja) * 2006-12-20 2008-07-10 Toyota Motor Corp 可変容量型流体圧ポンプモータ式変速機の制御装置
DE102007056767B4 (de) * 2007-11-23 2009-11-26 Gertrag Ford Transmissions Gmbh Verfahren zum Betrieb eines Drucksteuerventils eines Drucksystems zur Betätigung einer Kupplung
DE102010003417A1 (de) * 2010-03-30 2011-10-06 Zf Friedrichshafen Ag Verfahren zum Ansteuern eines ventilbetätigten Aktuators
US20130113407A1 (en) * 2011-11-09 2013-05-09 GM Global Technology Operations LLC Control system with remote drivers
CN102797840B (zh) * 2012-08-20 2014-11-05 奇瑞汽车股份有限公司 扭矩控制装置的压力控制系统
KR101393963B1 (ko) * 2012-10-30 2014-05-12 기아자동차주식회사 차량의 건식클러치 전달토크 예측 방법
KR101366620B1 (ko) * 2013-04-15 2014-02-24 주식회사 이지서보 밸브제어시스템 및 밸브제어방법
DE102013224837A1 (de) * 2013-12-04 2015-06-11 Robert Bosch Gmbh Verfahren zur Durchführung einer Diagnose des Kupplungshydrauliksystems eines Kraftfahrzeugs
KR101967306B1 (ko) * 2014-05-21 2019-05-15 주식회사 만도 솔레노이드 밸브 제어장치 및 그 제어방법
DE202014009106U1 (de) 2014-10-20 2016-01-25 Liebherr-Components Biberach Gmbh Hydraulikeinheit
CN104533981B (zh) * 2014-11-17 2017-06-13 潍柴动力股份有限公司 一种自动离合器的电流控制方法
DE102018111588A1 (de) * 2017-06-07 2018-12-13 Schaeffler Technologies AG & Co. KG Verfahren und Vorrichtung zur Absolutpositionsbestimmung eines sich um eine Drehachse drehenden Bauteiles eines Aktors, insbesondere eines Kupplungsaktors
CN107933541B (zh) * 2017-11-22 2020-05-05 江苏理工学院 一种电动汽车解耦分布式智能电磁制动系统
KR102602923B1 (ko) * 2018-10-10 2023-11-16 현대자동차주식회사 클러치 제어방법
CN110673584B (zh) * 2019-10-14 2021-10-01 上海拿森汽车电子有限公司 一种电动助力刹车系统的可靠性检测方法及装置
CN111289951B (zh) * 2020-03-06 2022-03-25 南京长峰航天电子科技有限公司 一种基于最小二乘的宽脉冲等效模拟方法和装置
CN114046318A (zh) * 2021-11-25 2022-02-15 潍柴动力股份有限公司 基于气缸压力的离合器控制方法、装置和设备
CN114857183A (zh) * 2022-05-20 2022-08-05 潍柴动力股份有限公司 一种气动离合器控制方法和装置
DE102022209818A1 (de) * 2022-09-19 2024-03-21 Robert Bosch Gesellschaft mit beschränkter Haftung Kupplungsanordnung, Antriebsanordnung und Verfahren zur Bestimmung einer Endposition eines Kupplungselements einer Kupplungsanordnung
CN116915029B (zh) * 2023-09-11 2023-12-19 深圳市省油灯网络科技有限公司 一种电源变换器的控制方法、装置、系统及存储介质

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740615A (en) * 1971-03-20 1973-06-19 Honeywell Inf Systems Actuating and confirming device for printing electromagnets
US4009695A (en) * 1972-11-14 1977-03-01 Ule Louis A Programmed valve system for internal combustion engine
JPS5326884B2 (de) * 1974-05-10 1978-08-04
US4131325A (en) * 1975-01-02 1978-12-26 Girling Limited Electrically controlled fluid brake system
US4102222A (en) * 1977-01-03 1978-07-25 Borg-Warner Corporation Transmission control system
DE2946497A1 (de) * 1979-11-17 1981-06-11 Volkswagenwerk Ag, 3180 Wolfsburg Einrichtung zur automatischen kupplungsbetaetigung
US4321946A (en) * 1980-03-31 1982-03-30 Paulos Louis B Armature position monitoring and control device
US4373697A (en) * 1980-12-29 1983-02-15 Caterpillar Tractor Co. Pulse width modulated constant current servo driver
JPS5981711A (ja) * 1982-11-01 1984-05-11 Kokusai Gijutsu Kaihatsu Kk 電気油圧サ−ボ装置
US4550953A (en) * 1983-12-16 1985-11-05 Allied Corporation Electro-pneumatic control for a vehicle fluid pressure braking system
US4779489A (en) * 1986-06-27 1988-10-25 Borg-Warner Automotive, Inc. Control system for controlling transmission fluid pressure
US4843902A (en) * 1986-08-07 1989-07-04 Cooper Industries, Inc. Control system for powershift transmission clutches
US5115395A (en) * 1987-03-13 1992-05-19 Borg-Warner Automotive, Inc. Pulse width modulation technique
JPH0633813B2 (ja) * 1988-10-22 1994-05-02 マツダ株式会社 自動変速機のライン圧制御装置
US5063813A (en) * 1989-07-20 1991-11-12 General Motors Corporation Hydraulic control system for vehicular automatic transmission
US5048329A (en) * 1990-08-27 1991-09-17 Commonwealth Edison Company Hydraulic valve test device
US5119683A (en) * 1990-09-07 1992-06-09 Motorola, Inc. Solenoid controller with flyback pulses useful for diagnostics and/or control
JPH04151029A (ja) * 1990-10-11 1992-05-25 Toyoda Mach Works Ltd 駆動力伝達装置
US5162987A (en) * 1990-12-28 1992-11-10 Leslie Controls, Inc. Controller which uses pulse width and pulse frequency modulated signals to control a variable
GB9109572D0 (en) * 1991-05-02 1991-06-26 Eaton Corp Actuator control system for devices such as cluches
JPH04351500A (ja) * 1991-05-29 1992-12-07 Mitsubishi Electric Corp 車両用電磁クラッチ制御装置
US5119914A (en) * 1991-10-15 1992-06-09 General Motors Corporation Accumulator and relay valve

Also Published As

Publication number Publication date
ES2094026T3 (es) 1997-01-01
JPH07151225A (ja) 1995-06-13
US5404301A (en) 1995-04-04
CN1103839A (zh) 1995-06-21
KR100300295B1 (ko) 2001-11-22
ZA943867B (en) 1995-02-03
ATE145043T1 (de) 1996-11-15
CZ287765B6 (en) 2001-01-17
AU668037B2 (en) 1996-04-18
EP0628742B1 (de) 1996-11-06
EP0628742A1 (de) 1994-12-14
KR950000447A (ko) 1995-01-03
CA2125133C (en) 2000-05-09
AU6334294A (en) 1994-12-08
BR9401772A (pt) 1994-12-27
CN1053624C (zh) 2000-06-21
RU2123440C1 (ru) 1998-12-20
CZ136894A3 (en) 1994-12-15
DE69400844T2 (de) 1997-05-15
RU94019990A (ru) 1996-08-27

Similar Documents

Publication Publication Date Title
DE69400844D1 (de) Verfahren und Vorrichtung zur Getriebesteuerung eines Fahrzeugs unter Sicherstellung der kleinstmöglichen Impulsbreite
ATE198860T1 (de) Verfahren und einrichtung zur steuerung einer aufzugsbremse
US6170506B1 (en) Method and circuit for actively cleaning electrohydraulic valves in a hydraulic control valve circuit
CA2165417A1 (en) Multiple-gain electronic brake actuator with trigger point inertial sensor
RU2144713C1 (ru) Способ управления электромагнитным клапаном
ATE91325T1 (de) Verfahren und vorrichtung zur steuerung einer druckluftbetriebenen doppelmembranpumpe.
DE69402779T2 (de) Verfahren und Vorrichtung zur Steuerung der Schaltkraft in einem automatisierten mechanischen Getriebe
DK0462124T3 (da) Fremgangsmåde samt arrangement til betjening af en koblingsregulator
WO2003038324A8 (fr) Procede et dispositif servant a commander une soupape electromagnetique proportionnelle de regulation de debit
GB0222044D0 (en) Drive controller for a rail vehicle
DE502004000121D1 (de) Verfahren und Vorrichtung zum Überwachen einer elektromagnetisch betätigbaren Bremse
KR20080033156A (ko) 배기 밸브 구동 시의 속도 제어
US20040195071A1 (en) Pulse width modulation of brake shift interlock solenoid
BR0106023A (pt) Método de controle para um atuador eletromagnético para o controle de uma válvula do motor
WO2002065825A3 (fr) Robot et procede de commande du fonctionnement dudit robot
ATE308698T1 (de) Elektrische steuereinrichtung eines kraftfahrzeug-antriebsstranges
ZA95712B (en) Means for controlling the activation of the product valves in fuel trucks
ES2116943B1 (es) "acoplamiento de friccion con un elemento de maniobra".
US6061225A (en) Method and apparatus for controlling a solenoid within an electric dispensing gun
KR19980703764A (ko) 굴착기의 스쿠프 플랩용 제어 장치
EP1291256A3 (de) Verfahren und Steuersystem zum Betreiben eines Magnetventiles für pneumatische Bremszylinder
GB2396672A (en) A method for operating a brake which has an electromagnetic release function
EP1353101A3 (de) Verfahren zur elektrischen Ansteuerung eines direktwirkenden Elektromagnetventils sowie Vorrichtung zur Durchführung des Verfahrens
JP2541500Y2 (ja) フォークリフト用遠隔操作装置
EP0276056A3 (de) Ventilanordnung für ein Fluiddurchflusssteuersystem

Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee