Bounded controllers for robust exponential convergence |
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Authors: | M Corless G Leitmann |
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Institution: | (1) Purdue University, West Lafayette, Indiana;(2) University of California at Berkeley, Berkeley, California |
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Abstract: | We consider the problem of stabilizing an uncertain system when the norm of the control input is bounded by a prespecified constant. We treat continuous-time dynamical systems whose nominal part is linear and whose uncertain part is norm-bounded by a known affine function of the norm of the system state and the norm of the control input. Given a prespecified rate of convergence and a ball containing the origin of the state space, we present controllers which guarantee that, for all allowable uncertainties and nonlinearities, there is a region of attraction from which all solutions converge to the given ball with the prespecified convergence rate.This research was supported by the National Science Foundation under Grant MSS-90-57079. |
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Keywords: | Robust control bounded control uncertain systems Lyapunov techniques |
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