Nonlinear disturbance decoupling and linearization: a partial interpretation of integral feedback - Decision and Control, 1993., Proceedings of the 32nd IEEE Conference on
نویسندگان
چکیده
The relation between the solvability of the disturbance decoupling problem for a nonlinear system and its linearization around a working point is investigated. It turns out that generically the solvability of the disturbance decoupling via regular dynamic state feedback is preserved under linearization. This result gives a partial interpretation of introducing integral action in classical PID-control applied to nonlinear systems. The theory is illustrated by means of a worked example.
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