準動的接触圧力分布を測定するセンサシステムの開発

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  • Development of a sensing system measuring semidynamic contact pressure distributions.
  • ジュン ドウテキ セッショク アツリョク ブンプ オ ソクテイスル センサ シ

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In this paper a sensing system measuring semidynamic contact pressure distributions is proposed. The system is the development of the sensing system proposed previously for static contact pressure distributions. The sensing material is made of piezoelectric ceramics and a special electric circuit is designed to measure electric charge in the material. The semidynamic contact pressures are determined using the repeated static measurement at high speed. The sampling time is 25 ms and the measurement is repeated in 255 cycles. Therefore, we can obtained the dynamic behavior of contact pressure distribution for about 6 seconds by using this system. The semidynamic contact pressure distributions for several problems are determined. The obtained dynamical total force variations are compared with that of the corresponding force.

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