A sensorless force control in twin drive system

Nobuhiro Hayashida, Toshiyuki Murakami, Takahiro Yakoh, Kouhei Ohnishi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

19 Citations (Scopus)


This article describes the method of a sensorless force control in twin drive system. The twin drive system is composed of two motors connected by a differential mechanism. Its generated output is the difference of torque between two motors. Since its two motors can continue to drive even when the system makes a stationary motion, the effective static friction of the system is drastically reduced. The disturbance torque is so small, this system is able to estimate the external disturbance torque more than usual motor. By using this system, it is possible to construct the force sensorless controller more exactly.

Original languageEnglish
Title of host publicationIECON Proceedings (Industrial Electronics Conference)
PublisherIEEE Computer Society
Number of pages6
Publication statusPublished - 2000

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering


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