Feedback linearization
Approach used in controlling nonlinear systems / From Wikipedia, the free encyclopedia
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Feedback linearization is a common strategy employed in nonlinear control to control nonlinear systems. Feedback linearization techniques may be applied to nonlinear control systems of the form
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This article includes a list of general references, but it lacks sufficient corresponding inline citations. (May 2009) |
where is the state, are the inputs. The approach involves transforming a nonlinear control system into an equivalent linear control system through a change of variables and a suitable control input. In particular, one seeks a change of coordinates and control input so that the dynamics of in the coordinates take the form of a linear, controllable control system,
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An outer-loop control strategy for the resulting linear control system can then be applied to achieve the control objective.