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Proceedings of the 2003 American Control Conference, 2003.
We address adaptive output feedback control of uncertain nonlinear systems with noisy output measurements, in which both the dynamics and the dimension of the regulated system may be unknown, and only the relative degree of the regulated output is assumed to be known. Given a smooth reference trajectory, the problem is to design a controller that forces the system measurement to track it with bounded errors. A recently developed method proposes the use of a linear error observer that estimatesdoi:10.1109/acc.2003.1242543 fatcat:3mqjgwl73nab5pkqnrw6qpaacy