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Hyperstable MRAS 방식의 속도추정을 위한 벡터제어
서영수(Young-Soo Seo),김은기(Eun-Gi Kim),김용주(Yong-Ju Kim),김영진(Young-Jin Kim) 전력전자학회 2001 전력전자학술대회 논문집 Vol.2001 No.7
When the vector control, which does not need a speed signal from a mechanical speed sensor, it is possible to reduce the cost of the control equipment and to improve the control performance in many industrial application.<br/> In this paper, describes a rotor speed estimate method of induction motor based on the theory of counter EMF MRAS. This method eliminated the pure integrator, and we can be expected to rapid responsibility of the speed identification Therefore, we improve the initial condition of the integrator and drift problem The stability of speed estimator is proved on the basis of hyperstability theory. In order to confirm the performance of the proposed system, Simulation and experiment is performed.
김용주(Yong-ju Kim),서영수(Young-soo Seo) 전력전자학회 2002 전력전자학술대회 논문집 Vol.- No.-
This paper designed a robust control of an induction motor Using a disturbance cancellation observer of a feedforward control The speed response of conventional PI controller characteristic is affected by variations of load torque disturbance. In the proposed system, the speed control characteristic Using a feedforward control isn't affected by a load torque 야sturbance.
김용주(Yong-ju Kim),서영수(Young-soo Seo) 전력전자학회 2002 전력전자학술대회 논문집 Vol.- No.-
This paper described a robust control of an induction motor using a disturbance cancellation observer of a feedforward control. The speed response of conventional PI controller characteris-<br/> tic is affected by variations of load torque disturbance, In the proposed system, the speed control characteristic using a feedforward control isn't affected by a load torque disturbance