JPH0148973B2 - - Google Patents

Info

Publication number
JPH0148973B2
JPH0148973B2 JP58103891A JP10389183A JPH0148973B2 JP H0148973 B2 JPH0148973 B2 JP H0148973B2 JP 58103891 A JP58103891 A JP 58103891A JP 10389183 A JP10389183 A JP 10389183A JP H0148973 B2 JPH0148973 B2 JP H0148973B2
Authority
JP
Japan
Prior art keywords
servo valve
pressure
return side
actuator
signal
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
JP58103891A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59228161A (ja
Inventor
Tsugio Kurata
Hisashi Hamamoto
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.)
Akashi Seisakusho KK
Original Assignee
Akashi Seisakusho KK
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 Akashi Seisakusho KK filed Critical Akashi Seisakusho KK
Priority to JP58103891A priority Critical patent/JPS59228161A/ja
Publication of JPS59228161A publication Critical patent/JPS59228161A/ja
Publication of JPH0148973B2 publication Critical patent/JPH0148973B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
JP58103891A 1983-06-10 1983-06-10 アコ−ステイツクエミツシヨン解析用材料試験機 Granted JPS59228161A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58103891A JPS59228161A (ja) 1983-06-10 1983-06-10 アコ−ステイツクエミツシヨン解析用材料試験機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58103891A JPS59228161A (ja) 1983-06-10 1983-06-10 アコ−ステイツクエミツシヨン解析用材料試験機

Publications (2)

Publication Number Publication Date
JPS59228161A JPS59228161A (ja) 1984-12-21
JPH0148973B2 true JPH0148973B2 (enrdf_load_stackoverflow) 1989-10-23

Family

ID=14366043

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58103891A Granted JPS59228161A (ja) 1983-06-10 1983-06-10 アコ−ステイツクエミツシヨン解析用材料試験機

Country Status (1)

Country Link
JP (1) JPS59228161A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0629722Y2 (ja) * 1985-07-09 1994-08-10 株式会社島津製作所 Ａｅ計測装置
CN113984535B (zh) * 2021-10-28 2022-05-20 中国矿业大学 一种深部岩体岩爆动力灾害的模拟装置及测试方法

Also Published As

Publication number Publication date
JPS59228161A (ja) 1984-12-21

Similar Documents

Publication Publication Date Title
US6285913B1 (en) Method and control system for compensating for friction
EP0292473B1 (en) Method for reducing the piston speed, especially in the piston and cylinder assemblies of an excavating machine, and device for carrying out the method
US4907493A (en) Valve control system for hitch motor
JP2595450B2 (ja) 成形機における油圧系の異常検出方法およびその装置
WO1997011297A9 (en) Method and control system for compensating for friction
JP3101545B2 (ja) 油圧作業機の制振装置
JPH0148973B2 (enrdf_load_stackoverflow)
JP2966629B2 (ja) 油圧作業機械における作業装置の振動抑制制御装置
US5857333A (en) Control system for hydraulic power units
JP2966642B2 (ja) 油圧作業機械における作業装置の振動抑制制御装置
JP3713175B2 (ja) 流体圧回路における負荷圧力推定方法およびその装置
JP2003305573A (ja) 電気抵抗溶接機の加圧装置
JP2939090B2 (ja) 油圧作業機械の振動抑制装置
JP3570056B2 (ja) 材料試験機
CN106475581B (zh) 一种主轴轴承外圈径向液压加载抑制振动的装置和方法
JPS637426A (ja) 作業機の振動抑制装置
JP2915247B2 (ja) 油圧作業機械の振動抑制装置
JP3238991B2 (ja) 電気油圧式材料試験装置
JP2576627B2 (ja) 流体アクチュエータの制御装置
JP3749413B2 (ja) 材料試験装置の起動方法および材料試験装置
JPH04353130A (ja) 油圧作業機械における作業装置の振動抑制制御装置
JPH0222241B2 (enrdf_load_stackoverflow)
JPH06307404A (ja) 油圧作業機械における作業装置の振動抑制制御装置
KR100235714B1 (ko) 차체의 강성 시험장치
JP2554991Y2 (ja) 油圧ショベルのフロント制振システム