Position sensors for precision control of actuators operated at a high temperature are needed in aerospace systems. However, oxidation of resistive elements and metallization at high temperatures limit the high-temperature applications of conventional position sensors. In this paper, new designs of discrete-type position sensors for high-temperature applications are proposed and their performances are evaluated both at room temperature and at high temperatures. In the design of the high-temperature position sensors, resistive elements made of MoSi2 and multi-layered metallization consisting of TiN, Ti, and Pt that can withstand high temperatures were formed on a Si substrate using MEMS technologies. In order to evaluate the performance of the high-temperature position sensors, linearity, hysteresis, resolution, and repeatability at room temperature and high temperatures up to 300 ºC were measured.


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    Titel :

    Development of High-Temperature Position Sensors for Control of Actuators in Aerospace Systems


    Beteiligte:
    Kim, Yongdae (Autor:in) / Choi, Hyun Young (Autor:in)


    Erscheinungsdatum :

    01.07.2018


    Format / Umfang :

    7292841 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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