Watcharapong Khovidhungij

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OBJECTIVE To correctly measure the knee joint angle, this study utilized a Qualisys motion capture system and also used it as the reference to assess the validity of the study's Inertial Measurement Unit (IMU) system that consisted of four IMU sensors and the Knee Angle Recorder software. The validity was evaluated by the root mean square (RMS) of different(More)
We present a controller design based on the immersion and invariance method for an active suspension system, and compare the result with a back-stepping control law. Simulation results show that the immersion and invariance controller can stabilize the full-order system as well as the backstepping controller in the nominal case, but is more robust to some(More)
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