The Transactions of the Korean Institute of Electrical Engineers P (전기학회논문지P)

The Korean Institute of Electrical Engineers (대한전기학회)
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Position Error Compensation Method of Hall Sensors for Sunroof System using BLDC Motor

선루프용 BLDC 전동기 홀센서 위치 오차 보상 기법

  • An, Jeong-Yeol (Dept. Electrical and Electronic Engineering, Ulsan College)
  • Received : 2017.03.02
  • Accepted : 2017.05.26
  • Published : 2017.06.01
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Abstract

This papers propose a Hall-effect sensors position error compensation method in a sunroof system using a BLDC motor with a low-cost MCU. If the BLDC motor is controlled with this wrong position, the torque ripple and operating current can be increased and the average torque also decreases. Generally, sunroof system has characteristics that operate at constant load for several seconds. It is possible to find the minimum operating current value while changing the position of the Hall-effect sensor during the sunroof operation by using these characteristics. Therefore, propose a method to change the Hall-effect sensor position and find the minimum current value. The validity of the proposed algorithm is verified through experiments.

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References

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