JPS6239295B2 - - Google Patents

Info

Publication number
JPS6239295B2
JPS6239295B2 JP57048336A JP4833682A JPS6239295B2 JP S6239295 B2 JPS6239295 B2 JP S6239295B2 JP 57048336 A JP57048336 A JP 57048336A JP 4833682 A JP4833682 A JP 4833682A JP S6239295 B2 JPS6239295 B2 JP S6239295B2
Authority
JP
Japan
Prior art keywords
maximum speed
operation signal
speed
signal
control device
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
Application number
JP57048336A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58166102A (ja
Inventor
Hiroshi Watanabe
Eiki Izumi
Yukio Aoyanagi
Kazuo Pponma
Yoshio Nakajima
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP57048336A priority Critical patent/JPS58166102A/ja
Priority to KR8201349A priority patent/KR860000755B1/ko
Priority to DE8282102637T priority patent/DE3266290D1/de
Priority to EP82102637A priority patent/EP0061759B1/en
Priority to US06/363,454 priority patent/US4587808A/en
Publication of JPS58166102A publication Critical patent/JPS58166102A/ja
Publication of JPS6239295B2 publication Critical patent/JPS6239295B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/1445—Control of position or direction using feedback using an analogue comparing device with a plurality of loops
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/087—Control strategy, e.g. with block diagram
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/04—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by varying the output of a pump with variable capacity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Fluid Gearings (AREA)
JP57048336A 1981-03-30 1982-03-26 油圧回路装置の制御システム Granted JPS58166102A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP57048336A JPS58166102A (ja) 1982-03-26 1982-03-26 油圧回路装置の制御システム
KR8201349A KR860000755B1 (ko) 1981-03-30 1982-03-29 유압회로장치의 제어시스템
DE8282102637T DE3266290D1 (en) 1981-03-30 1982-03-29 Control system for hydraulic circuit means including a variable displacement pump and actuator means
EP82102637A EP0061759B1 (en) 1981-03-30 1982-03-29 Control system for hydraulic circuit means including a variable displacement pump and actuator means
US06/363,454 US4587808A (en) 1981-03-30 1982-03-30 Control system for hydraulic circuit means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57048336A JPS58166102A (ja) 1982-03-26 1982-03-26 油圧回路装置の制御システム

Publications (2)

Publication Number Publication Date
JPS58166102A JPS58166102A (ja) 1983-10-01
JPS6239295B2 true JPS6239295B2 (en, 2012) 1987-08-21

Family

ID=12800562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57048336A Granted JPS58166102A (ja) 1981-03-30 1982-03-26 油圧回路装置の制御システム

Country Status (1)

Country Link
JP (1) JPS58166102A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005147275A (ja) * 2003-11-17 2005-06-09 Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd 舗装機械の走行駆動制御装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2580484B2 (ja) * 1994-02-18 1997-02-12 株式会社小松製作所 静油圧−機械式変速機の制御装置
EP1287979B1 (en) * 2000-03-07 2010-12-29 Amada Company, Limited Method of operating a hydraulic press brake and hydraulic press brake with controller for executing the method
JP2007298050A (ja) * 2006-04-27 2007-11-15 Yanmar Co Ltd 作業車両の変速制御装置
JP5181772B2 (ja) * 2008-03-27 2013-04-10 井関農機株式会社 作業車両

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005147275A (ja) * 2003-11-17 2005-06-09 Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd 舗装機械の走行駆動制御装置

Also Published As

Publication number Publication date
JPS58166102A (ja) 1983-10-01

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