Abstract
The control of a two-link manipulator with a sliding flexible link that traverses inside a rigid link is considered. Since the plant possesses time-varying dynamics that change with the position of the tip, and considerable uncertainty, a fixed controller is unsatisfactory in terms of both performance and robustness. Hence, a controller that schedules with the position is sought and implemented. An H∞ approach is adopted, and the resulting controller provides good performance and stability margins.
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