DE69020407T2 - Hydraulisches aktives Federungssystem für ein Fahrzeug mit rückgekoppelter Fahrzeughöhenregulierung. - Google Patents

Hydraulisches aktives Federungssystem für ein Fahrzeug mit rückgekoppelter Fahrzeughöhenregulierung.

Info

Publication number
DE69020407T2
DE69020407T2 DE69020407T DE69020407T DE69020407T2 DE 69020407 T2 DE69020407 T2 DE 69020407T2 DE 69020407 T DE69020407 T DE 69020407T DE 69020407 T DE69020407 T DE 69020407T DE 69020407 T2 DE69020407 T2 DE 69020407T2
Authority
DE
Germany
Prior art keywords
vehicle
height adjustment
suspension system
active suspension
feedback
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
DE69020407T
Other languages
English (en)
Other versions
DE69020407D1 (de
Inventor
Hiroyuki Ikemoto
Shuuichi Buma
Toshio Aburaya
Takashi Yonekawa
Toshio Onuma
Tsukasa Watanabe
Toshiaki Hamada
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.)
Toyota Motor Corp
Aisin Corp
Original Assignee
Aisin Seiki Co Ltd
Toyota Motor 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
Application filed by Aisin Seiki Co Ltd, Toyota Motor Corp filed Critical Aisin Seiki Co Ltd
Application granted granted Critical
Publication of DE69020407D1 publication Critical patent/DE69020407D1/de
Publication of DE69020407T2 publication Critical patent/DE69020407T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/10—Acceleration; Deceleration
    • B60G2400/104—Acceleration; Deceleration lateral or transversal with regard to vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/10—Acceleration; Deceleration
    • B60G2400/106—Acceleration; Deceleration longitudinal with regard to vehicle, e.g. braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/20—Speed
    • B60G2400/204—Vehicle speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/25—Stroke; Height; Displacement
    • B60G2400/252—Stroke; Height; Displacement vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/30—Propulsion unit conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/30—Propulsion unit conditions
    • B60G2400/38—Speed of engine rotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/40—Steering conditions
    • B60G2400/41—Steering angle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/50—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/70—Temperature of vehicle part or in the vehicle
    • B60G2400/73—Temperature of vehicle part or in the vehicle of other part than suspension unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/02—Retarders, delaying means, dead zones, threshold values, cut-off frequency, timer interruption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/22—Magnetic elements
    • B60G2600/26—Electromagnets; Solenoids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/60—Signal noise suppression; Electronic filtering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/01—Attitude or posture control
    • B60G2800/012—Rolling condition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/01—Attitude or posture control
    • B60G2800/014—Pitch; Nose dive

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
DE69020407T 1989-04-14 1990-04-11 Hydraulisches aktives Federungssystem für ein Fahrzeug mit rückgekoppelter Fahrzeughöhenregulierung. Expired - Fee Related DE69020407T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1094586A JPH07102768B2 (ja) 1989-04-14 1989-04-14 流体圧式アクティブサスペンション

Publications (2)

Publication Number Publication Date
DE69020407D1 DE69020407D1 (de) 1995-08-03
DE69020407T2 true DE69020407T2 (de) 1996-01-11

Family

ID=14114379

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69020407T Expired - Fee Related DE69020407T2 (de) 1989-04-14 1990-04-11 Hydraulisches aktives Federungssystem für ein Fahrzeug mit rückgekoppelter Fahrzeughöhenregulierung.

Country Status (4)

Country Link
US (1) US5162995A (de)
EP (1) EP0392508B1 (de)
JP (1) JPH07102768B2 (de)
DE (1) DE69020407T2 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2699631B2 (ja) * 1990-09-12 1998-01-19 日産自動車株式会社 車両用流体供給装置
JPH04133811A (ja) * 1990-09-27 1992-05-07 Fuji Heavy Ind Ltd 自動車用アクテイブサスペンションの制御方法
DE4033761C1 (de) * 1990-10-24 1992-04-02 Hydac Technology Gmbh, 6603 Sulzbach, De
US5396423A (en) * 1991-01-22 1995-03-07 Nissan Motor Co., Ltd. Automotive active suspension system for regulating vehicular height level during anti-rolling control
DE4112005A1 (de) * 1991-04-12 1992-10-15 Bosch Gmbh Robert System zur bildung eines signals bei einem fahrzeug
JP3009756B2 (ja) * 1991-05-02 2000-02-14 トヨタ自動車株式会社 流体圧式アクティブサスペンション
US5572425A (en) * 1991-06-18 1996-11-05 Ford Motor Company Powered active suspension system responsive to anticipated power demand
GB9214543D0 (en) * 1992-07-08 1992-08-19 Lotus Car A vehicle suspension control system
JP3124629B2 (ja) * 1992-07-14 2001-01-15 ナルデック株式会社 車両のサスペンション装置
US6259982B1 (en) * 1993-02-02 2001-07-10 Trw Inc. Method and apparatus for controlling an active suspension system
US5517847A (en) * 1994-12-16 1996-05-21 Ford Motor Company Open compartment load leveling ride height control
US5606503A (en) * 1995-03-27 1997-02-25 General Motors Corporation Suspension system control responsive to ambient temperature
US5785344A (en) * 1996-01-22 1998-07-28 Tenneco Automotive Inc. Active roll control
JP3646499B2 (ja) * 1998-01-16 2005-05-11 トヨタ自動車株式会社 車高調整装置
GB9812274D0 (en) 1998-06-09 1998-08-05 Rover Group Hydraulic control systems
GB2338460B (en) * 1998-06-09 2001-12-12 Rover Group Hydraulic control systems
US6935639B1 (en) * 2004-02-18 2005-08-30 Visteon Global Technologies, Inc. Mean pressure estimation for compressible fluid strut
DE102004025340A1 (de) * 2004-05-19 2005-12-15 Continental Aktiengesellschaft Verfahren zur Luftmengenregelung in einer geschlossenen Luftversorgungsanlage für ein Fahrwerk
US7490836B2 (en) * 2005-09-01 2009-02-17 Cnh America Llc Progressive control for a front suspended axle of a vehicle
US8534687B2 (en) 2010-07-05 2013-09-17 Fluid Ride Ltd. Suspension strut for a vehicle
US9241850B2 (en) 2011-09-02 2016-01-26 Ferno-Washington, Inc. Litter support assembly for medical care units having a shock load absorber and methods of their use
US8973688B2 (en) * 2011-12-20 2015-03-10 Caterpillar Paving Products Inc. Suspension system and control method for track-propelled machines
US9574582B2 (en) 2012-04-23 2017-02-21 Fluid Ride, Ltd. Hydraulic pump system and method of operation
US9550404B2 (en) * 2013-03-15 2017-01-24 Levant Power Corporation Active suspension with on-demand energy flow
US9108484B2 (en) 2013-07-25 2015-08-18 Tenneco Automotive Operating Company Inc. Recuperating passive and active suspension
US10080310B2 (en) 2015-06-26 2018-09-18 International Business Machines Corporation Bypassing a removed element in a liquid cooling system
US10434835B2 (en) 2016-02-24 2019-10-08 Tenneco Automotive Operating Company Inc. Monotube active suspension system having different system layouts for controlling pump flow distribution
JP6378228B2 (ja) * 2016-03-14 2018-08-22 トヨタ自動車株式会社 車高調整システム
JP6475179B2 (ja) 2016-03-14 2019-02-27 アイシン精機株式会社 車高制御システム
WO2018187580A1 (en) * 2017-04-05 2018-10-11 ClearMotion, Inc. Active force cancellation at structural interfaces
US11529836B1 (en) * 2018-12-21 2022-12-20 Oshkosh Corporation Pitch and roll control system for a vehicle
US11865887B2 (en) 2021-10-12 2024-01-09 DRiV Automotive Inc. Suspension system with incremental roll and pitch stiffness control
US11919355B2 (en) 2021-10-12 2024-03-05 DRiV Automotive Inc. Valve diagnostic systems and methods
US11691474B2 (en) 2021-10-12 2023-07-04 DRiV Automotive Inc. Suspension system tank filling systems and methods
US11697319B2 (en) 2021-10-12 2023-07-11 DRiV Automotive Inc. Suspension system with comfort valve integration
US11904841B2 (en) 2021-10-12 2024-02-20 DRiV Automotive Inc. Suspension system integration with advanced driver assistance system
US11912092B2 (en) 2021-10-12 2024-02-27 DRiV Automotive Inc. Suspension leak check systems and methods
US11685220B2 (en) 2021-10-12 2023-06-27 DRiV Automotive Inc. Control systems and methods for suspension systems
US11865889B2 (en) 2021-10-12 2024-01-09 DRiV Automotive Inc. Suspension system with comfort valves between cross-over hydraulic circuits
US11938772B2 (en) 2021-10-12 2024-03-26 DRiV Automotive Inc. System for grading filling of a hydraulic suspension system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8502135D0 (en) * 1985-01-29 1985-02-27 Lucas Ind Plc Control system
EP0219866B1 (de) * 1985-10-22 1991-01-02 Toyota Jidosha Kabushiki Kaisha System zur Begrenzung der Rollbewegung eines Fahrzeugaufbaus bei Vermeidung von Überkompressierungen
JPH075009B2 (ja) * 1985-10-22 1995-01-25 トヨタ自動車株式会社 車輌用車高調整装置
JPS62185608U (de) * 1986-05-20 1987-11-26
JPH0829648B2 (ja) * 1987-03-16 1996-03-27 日産自動車株式会社 車両用サスペンシヨン制御装置
JPS6430816A (en) * 1987-07-24 1989-02-01 Toyota Motor Corp Active suspension for vehicle
DE68921590T2 (de) * 1988-12-28 1995-07-27 Aisin Seiki Aktives hydraulisches Steuersystem, welches das Steuern der Lage eines hochbelasteten Fahrzeugs ermöglicht.
JP2745416B2 (ja) * 1989-01-19 1998-04-28 富士重工業株式会社 車高調整装置付車両の車高制御方法
JP2594156B2 (ja) * 1989-08-30 1997-03-26 トヨタ自動車株式会社 流体圧式アクティブサスペンション

Also Published As

Publication number Publication date
JPH02274607A (ja) 1990-11-08
EP0392508A1 (de) 1990-10-17
DE69020407D1 (de) 1995-08-03
JPH07102768B2 (ja) 1995-11-08
EP0392508B1 (de) 1995-06-28
US5162995A (en) 1992-11-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee