Controllability distributions and systems approximations: a geometric approach


Ruiz, A.C. and Nijmeijer, H. (1992) Controllability distributions and systems approximations: a geometric approach. In: 31st IEEE Conference on Decision and Control, Tucson, Arizona, 1992 (pp. pp. 90-95).

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Abstract:Given a nonlinear system, a relation between controllability distributions defined for a nonlinear system and a Taylor series approximation of it is determined. Special attention is given to this relation at the equilibrium. It is known from nonlinear control theory that the solvability conditions as well as the solutions to some control synthesis problems can be stated in terms of geometric concepts like controlled invariant (controllability) distributions. By dealing with a k-th Taylor series approximation of the system, the authors are able to decide when the solvability conditions of these kinds of problem are equivalent for the nonlinear system and its approximation. Some cases when the solution obtained from the approximated system is an approximation of an exact solution for the original problem are distinguished. Some examples illustrate the results
Item Type:Conference or Workshop Item
Copyright:©1992 IEEE
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