摩擦駆動による精密位置決めの研究　Ｉ　　構造とトラクション特性

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書誌事項

タイトル別名
  • Study on precision positioning by friction drive. (1st report). Its structure and traction characteristic.
  • マサツ クドウ ニ ヨル セイミツ イチギメ ノ ケンキュウ 1 コウゾウ ト
  • Its Structure and Traction Characteristic
  • 構造とトラクション特性

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抄録

This paper describes the mechanical structure of a friction drive system and its traction characteristic. The system consists of a DC servomotor, a friction reduction device (planetary roller type) and a friction drive elements (a pinion roller and a slider). The linear scale measures the slider displacement, which is fed back to the servomotor by way of a micro computer. Since the friction drive system is mechanically easy to make and has small non-linear factors, it is thought that this system is good for precision positioning. In case of usual friction drive, a traction characteristic is easily obtained by measuring the torques of two friction wheels, but in this study it is very hard to obtain it because the slider moves longitudinally. Therefore, the traction characteristic is obtained by a frequency response method between two velocities of the pinion roller and the slider. It is shown that the traction between the pinion roller and the slider is estimated by using an exponential function of the slip ratio.

収録刊行物

  • 精密工学会誌

    精密工学会誌 54 (4), 715-720, 1988

    公益社団法人 精密工学会

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