<b>Application of Piezoelectric Rubber Sensor for Rolling Stock</b>

DOI Web Site 被引用文献1件 参考文献3件
  • MAMADA Shogo
    Vibration-Isolating Materials Laboratory, Materials Technology Division
  • YAGUCHI Naoyuki
    Vibration-Isolating Materials Laboratory, Materials Technology Division
  • YAMANAKA Sho
    Vibration-Isolating Materials Laboratory, Materials Technology Division
  • NOGIMURA Ryo
    Vibration-Isolating Materials Laboratory, Materials Technology Division
  • ASAHINA Mineyuki
    Vehicle Noise and Vibration Laboratory, Vehicle Structure Technology Division
  • OKAMURA Yoshiaki
    Lubricating Materials Laboratory, Materials Technology Division

抄録

<p>Piezoelectric materials are used as sensors because they convert mechanical energy to electrical energy. However, piezoelectric ceramics made with conventional piezoelectric materials, are very brittle. Instead of brittle ceramics, flexible piezoelectric rubber is preferable for engineering use. Therefore, the authors investigated the applicability of flexible rubber for pinching sensors to detect foreign objects between the edges of closing doors and for defect detection on rolling stock axle bearings. It was found that the sensors were able detect foreign objects not usually detected with ordinary systems. Similarly, the newly developed sensors were able to detect axle bearing defects in simplified system.</p>

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