Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/69976
Title: Discrete-time adaptive control for nonlinear systems with periodic parameters: A lifting approach
Authors: Xu, J.-X. 
Huang, D.
Issue Date: 2009
Source: Xu, J.-X.,Huang, D. (2009). Discrete-time adaptive control for nonlinear systems with periodic parameters: A lifting approach. Proceedings of 2009 7th Asian Control Conference, ASCC 2009 : 678-683. ScholarBank@NUS Repository.
Abstract: In thi s paper we develop a general discrete-time adaptive control approach suitable for nonlinear systems with periodic parametric uncertainties. The underlying idea of the new approach is to convert the periodic parameters into an augmented constant parametric vector by a lifting technique. As such, the well-established discrete-time adaptive control schemes can be easily applied to various control problems with periodic parameters, such as plants with unknown control directions, plants in parametric-strict-feedback form, plants that are nonlinear in parameters, plants that do not meet the linear growth condition, etc. Another major advantage of the new adaptive control is the ability to adaptively update all parameters in parallel, hence expedite the adaption speed. The effectiveness of the proposed approach is illustrated by several simulation examples. ©2009 ACA.
Source Title: Proceedings of 2009 7th Asian Control Conference, ASCC 2009
URI: http://scholarbank.nus.edu.sg/handle/10635/69976
ISBN: 9788995605691
Appears in Collections:Staff Publications

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