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In practice, there are many motor systems whose models are usually unknown or partially unknown. However, the majority of control schemes focus on model-dependent techniques. To cope up with unavailable dynamics, a model-free controlling problem for a DC motor system is investigated in this study. A robust higher-order differential feedback controller (HODFC), which does not depend on the model of...
While nonholonomic powered wheelchairs (NPWs) have made advances over the past three decades, the control algorithms remain virtually unchanged since 1980's. The simple proportional integral (PI) controller is antiquated, and does not perform well in the presence of disturbances, sensors uncertainties, nonlinearities and load variations. The practical interest is driven by the fact that today's wheelchairs...
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