대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

상태 관측기 및 보상기를 이용한 전동기의 센서리스 운전

Sensorless Operation of DC Motors Using State Observers and Compensators

  • 김윤호 (중앙대학교 전기공학과) ;
  • 윤병도 (중앙대학교 전기공학과) ;
  • 양찬모 (중앙대학교 전기공학과)
  • Kim, Yoon-Ho (Dept. of Electrical Engineering, Chung-Ang University) ;
  • Yoon, Byung-Do (Dept. of Electrical Engineering, Chung-Ang University) ;
  • Yang, Chan-Mo (Dept. of Electrical Engineering, Chung-Ang University)
  • 발행 : 1990.11.17
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초록

Generally, when servo system is used, various sensors are required to have comparison and compensation to the reference value. However, the sensors are relatively expensive, and cannot be always implemented because of the limit of space or the environmental conditions. In this paper, state observer systems without sensors are investigated. State observer systems are required to estimate the states quickly and exactly without being affected by the disturbances. Thus, in this paper, the effects of systems poles and observer poles are studies. In addition, the parameter variations are also considered to evaluate the effect of them to the observer based systems. Also, in this paper a whole system which includes compensators, observers and loads are considered and analysed by using numerical simulations.

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