Ming-Chang Chou

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This paper develops robust 2-DOF current and torque control schemes for a permanent magnet synchronous motor (PMSM) drive with satellite reaction wheel load. A DSP-based experimental PMSM-driven reaction wheel system is established, and the key motor parameters are estimated for realizing the proposed control schemes. In the proposed current control(More)
This paper presents a robust dynamic control for a DSP-based satellite reaction wheel driven by a surface-mounted permanent-magnet synchronous motor and its friction estimation from the observed disturbance. In the proposed current control scheme, a proportional-plus-integral feedback controller is augmented with a resonant-based feedback controller and a(More)
This paper presents a digital signal processor-based permanent magnet synchronous motor (PMSM)-driven satellite reaction wheel with DC-link voltage adjustable according to speed and photovoltaic voltage. After the PMSM-driven reaction wheel is established, an improved current-controlled pulse-width modulation scheme is designed to yield precise sinusoidal(More)
This paper presents the robust current and torque controls for a satellite reaction wheel driven by permanent magnet synchronous motor (PMSM). First, the motor nominal key parameters are estimated, and the DSP-based motor drive is established. Then a winding current control scheme is proposed, wherein a traditional two-degrees-of-freedom controller (2DOFC)(More)
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