To provide a spool position estimation device which may estimate a spool position of an electromagnetic valve with a simple structure.SOLUTION: A position estimation device 100 includes: a supply part 20 which supplies a high frequency signal Sh to a solenoid 44 which drives a spool 54 of an electromagnetic valve 52; an acquisition part 24 which acquires electric information Je regarding the solenoid 44 in a state that the high frequency signal Sh is supplied; and an estimation part 30 which estimates a position of the spool 54 on the basis of a comparison result between the electric information Je acquired by the acquisition part 24 and the high frequency signal Sh supplied from the supply part 20.SELECTED DRAWING: Figure 2

    【課題】簡易な構成で電磁弁のスプール位置を推定可能なスプール位置推定装置を提供する。【解決手段】位置推定装置100は、電磁弁52のスプール54を駆動するソレノイド44に高周波信号Shを供給する供給部20と、高周波信号Shが供給された状態におけるソレノイド44に関する電気的情報Jeを取得する取得部24と、取得部24で取得された電気的情報Jeと供給部20から供給された高周波信号Shとの比較結果に基づいてスプール54の位置を推定する推定部30とを備える。【選択図】図2


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    Title :

    SPOOL POSITION ESTIMATION DEVICE, HYDRAULIC ACTUATOR DEVICE FOR AIRCRAFT, SPOOL POSITION ESTIMATION METHOD, AND SPOOL POSITION ESTIMATION PROGRAM


    Additional title:

    スプール位置推定装置、航空機用油圧アクチュエータ装置、スプール位置推定方法、スプール位置推定プログラム


    Contributors:

    Publication date :

    2022-01-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16K VALVES , Ventile / B64C AEROPLANES , Flugzeuge



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