Vibration Suppression of Stepping Motor Driven Systems Using Cogging Torque Compensator

概要

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This paper presents research on a new vibration suppression method for stepping motors. A new compensation method for stepping motor controllers, which cancels out the cogging torque without using any additional electronic devices and mechanical parts such as angler position sensors, is proposed. This paper is organized as follows. First, a transfer function based on the feed-forward compensation that describes motions and electric circuits for tow-phase hybrid stepping motor is derived. Next, experiments for the motor drive controller conducted to evaluate the rotor vibration are presented. Then, computer simulation on vibrations for a print-head carriage system driven by a stepping motor is described to verify effectiveness of our proposed method. Finally, it is concluded that experimental and simulation results show that our proposed method is effective in the vibration suppression.