Journal
TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL
Volume 37, Issue 6, Pages 746-759Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0142331214546521
Keywords
Adaptive control; closed-loop stability; coloured noise; dead-zone non-linearity; Hammerstein models
Funding
- National Natural Science Foundation of China [61074098, 61203103, 61333006]
- National Science and Technology Support Program of China [2013BAK02B01-02]
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This article presents a new control scheme for H systems with symmetric dead-zone input non-linearity and coloured noise. Based on the parameterized H model, we derive a dead-zone compensating control law and a recursive estimator. Theoretical analysis shows that global convergence and closed-loop stability can be guaranteed using the proposed algorithms. What is more, theoretical results show that the output tracking error is convergent with a specific residue, which is related to the variance of the noise and the parameter estimate. Simulation results confirm that the proposed method leads to satisfactory output tracking performance.
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