The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Realization of Velocity of BLDC Motor Using Linear Type Hall-effect Sensor and Enhanced Differentiator

선형홀센서와 고성능 미분기를 이용한 BLDC모터의 속도신호 구현

  • Received : 2018.04.11
  • Accepted : 2018.06.21
  • Published : 2018.07.01
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Abstract

BLDC motor is widely used as a servo motor due to high efficiency, high power density, low inertia, and low maintenance. However, BLDC motor generally needs position and velocity sensors to control actuation system. Usually, analog tachometers and encoders have been used for velocity feedback sensors. However, using these types of sensors have problems such as the cost, space, and malfunction. So, This paper is to propose a new velocity measurement method using linear hall-effect and enhanced differentiator for BLDC motor. In order to verify the feasibility of the proposed method, several simulations and experiments are performed. It is shown that the proposed velocity measurement method can satisfy the requirements without using of velocity sensor.

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References

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