JPH0172602U - - Google Patents

Info

Publication number
JPH0172602U
JPH0172602U JP1987167871U JP16787187U JPH0172602U JP H0172602 U JPH0172602 U JP H0172602U JP 1987167871 U JP1987167871 U JP 1987167871U JP 16787187 U JP16787187 U JP 16787187U JP H0172602 U JPH0172602 U JP H0172602U
Authority
JP
Japan
Prior art keywords
control device
control
signal
displacement
load
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.)
Granted
Application number
JP1987167871U
Other languages
English (en)
Other versions
JPH0643725Y2 (ja
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 filed Critical
Priority to JP1987167871U priority Critical patent/JPH0643725Y2/ja
Publication of JPH0172602U publication Critical patent/JPH0172602U/ja
Application granted granted Critical
Publication of JPH0643725Y2 publication Critical patent/JPH0643725Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Feedback Control In General (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例の系統図、第2図は
従来例の系統図である。 1……加力機、2……荷重検出器、3……変位
検出器、4……減算器、5……電力増幅器、6…
…デイジタルアナログ変換器、7……目標設定器
、8……座屈検知制御装置、9,10……アナロ
グデイジタル変換器、11……制御モード切換器
、12……供試体。

Claims (1)

    【実用新案登録請求の範囲】
  1. 変位信号と荷重信号とから供試体の座屈を検知
    する制御装置と、同制御装置から発信された座屈
    を検知した信号に基づき、荷重制御から変位制御
    に切換える制御モード切換器とを有することを特
    徴とする加力試験制御装置。
JP1987167871U 1987-11-04 1987-11-04 加力試験制御装置 Expired - Lifetime JPH0643725Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987167871U JPH0643725Y2 (ja) 1987-11-04 1987-11-04 加力試験制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987167871U JPH0643725Y2 (ja) 1987-11-04 1987-11-04 加力試験制御装置

Publications (2)

Publication Number Publication Date
JPH0172602U true JPH0172602U (ja) 1989-05-16
JPH0643725Y2 JPH0643725Y2 (ja) 1994-11-14

Family

ID=31456555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987167871U Expired - Lifetime JPH0643725Y2 (ja) 1987-11-04 1987-11-04 加力試験制御装置

Country Status (1)

Country Link
JP (1) JPH0643725Y2 (ja)

Also Published As

Publication number Publication date
JPH0643725Y2 (ja) 1994-11-14

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