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Output-Feedback MRAC with Reference Model Tolerance of Nonlinearly Perturbed Delayed Plants

Boris Mirkin ; Per-Olof Gutman ; Jonas Sjöberg (Institutionen för signaler och system, Mekatronik)
IFAC Proceedings Volumes. 18th IFAC World Congress, Milano, 28 August - 2 September 2011 (1474-6670). Vol. 18 (2011), p. 6751-6756.
[Konferensbidrag, refereegranskat]

A novel approach within the conventional MRAC framework for solving the problem of robust adaptive output tracking for a class of uncertain nonlinear dynamical systems with unknown timevarying state delays is proposed. A MRAC problem formulation in addition to the traditional asymptotic zero error tracking specification makes the problem statement contain an additional explicit requirement, namely the tracking objective is described by a set of admissible reference trajectories which is called a performance tube. As the design parameter which specifies the size of the performance tube, we select the reference model input signal than can be changed within specified bounds. An additional optimization task is formulated to find the best trajectory with a cost function that penalizes the deviation of the control signal from a given signal.

Nyckelord: Direct adaptive control, Nonlinear Time-delay systems, Reference model tolerance

Denna post skapades 2011-11-02. Senast ändrad 2017-06-28.
CPL Pubid: 148066


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Institutioner (Chalmers)

Institutionen för signaler och system, Mekatronik (2005-2017)


Elektroteknik och elektronik

Chalmers infrastruktur