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A model reference adaptive control scheme for pure-feedback nonlinear systems

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2 Author(s)
Kwanghee Nam ; Dept. of Electr. & Electron. Eng., Pohang Inst. of Sci. & Technol., South Korea ; Araposthathis, A.

A model reference adaptive control (MRAC) scheme is presented for nonlinear systems in a pure-feedback canonical form with unknown parameters. The present of parameter uncertainty in the system causes imperfect linearization, i.e. it introduces nonlinear additive terms in the transformed coordinates. Under some mild technical assumptions, global convergence of the output error is established for all initial estimates of the parameter vector lying in an open neighborhood of the true parameters in the parameter space

Published in:

Automatic Control, IEEE Transactions on  (Volume:33 ,  Issue: 9 )