A compact, angular-rate sensor module has been developed for car navigation using a flatly supported quartz sensing element of double T-shaped resonators. The sensing element has both drive and pickup resonators in the same plane of a Z-cut quartz wafer to detect angular rate motion perpendicular to the plane such that the sensor module can fit in space 5.6 mm high along with its sensing axis. Thanks to good stability of the quartz, and symmetric structure of the double T-shaped resonators, the sensor module also can achieve small offset drift, high S/N (signal to noise ratio), and excellent immunity to vibration noise. In this paper, the principle of the sensing element is briefly explained followed by detailed discussions on the angular-rate sensor module's structure, performance, and field testing. The module structure is described in order to present how to assemble the three parts. Targeted and actual performance including Allan variance are discussed based on laboratory evaluation results, and the first field test data of combination with a GPS (global positioning system) receiver are examined.


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    Titel :

    Compact, flat-quartz, vibratory, angular-rate sensor module using T-shaped resonators


    Weitere Titelangaben:

    Kompaktes, flaches Schwingquartz-Winkelgeschwindigkeitssensormodul mit T-förmigen Resonatoren


    Beteiligte:
    Ishikawa, S. (Autor:in) / Kikuchi, T. (Autor:in) / Soma, T. (Autor:in) / Ohsugi, Y. (Autor:in) / Tani, M. (Autor:in) / Enokijima, T. (Autor:in) / Yokoi, S. (Autor:in) / Gouji, S. (Autor:in) / Iwata, Y. (Autor:in) / Turetzky, G. (Autor:in)


    Erscheinungsdatum :

    2002


    Format / Umfang :

    7 Seiten, 18 Bilder, 3 Tabellen, 9 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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    Turetzky, G. / Brodie, K. / Tani, M. et al. | SAE Technical Papers | 2002


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    Ishikawa, S. / Kikuchi, T. / Soma, T. et al. | British Library Conference Proceedings | 2002


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