Sensor Less Load Estimation and Disturbance Compensation Control Using Two Back-EMF Signals and Duty Ratio for Linear Resonant Actuator

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  • リニア共振アクチュエータの2つの逆起電圧信号とDuty比を用いたセンサレス負荷推定と外乱補償制御
  • リニア キョウシン アクチュエータ ノ 2ツ ノ ギャクキデンアツ シンゴウ ト Dutyヒ オ モチイタ センサレス フカ スイテイ ト ガイラン ホショウ セイギョ

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<p>Amplitude of linear resonant actuators severely decrease when external loads are applied. Therefore, load feedback is essential. Authors have proposed a load estimation method using two back-EMF signals under free damped oscillation. This paper presents a new estimation method based on the law of energy conservation under forced oscillation. Additionally, a disturbance compensation control is proposed using estimated load. These methods are verified through finite element analysis.</p>

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