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New results on input/output variable structure model-reference adaptive control (i/o vs-mrac): design and stability analysis.
| Content Provider | CiteSeerX |
|---|---|
| Author | Hsu, Liu Araújo, Aldayr D. De Lizarralde, Fernando |
| Abstract | : The I/O VS-MRAC redesign and stability analysis presented earlier for the case of plants with relative degree n 2 (ACC'92), is generalized to the case of arbitrary n . The redesign is based on the explicit consideration of input disturbances which, in addition to actual external disturbances, may include the disturbance originated by the uncertainty of the plant high frequency gain (HFG). This leads to considerably simpler and less restrictive stability analysis, as well as to more effective controller design for external disturbance rejection. It is shown that the overall error system is globally exponentially stable with respect to some small residual set, in agreement with the remarkable performance exhibited by the proposed controller. Simplified I/O VS-MRAC schemes are also discussed. 1 Introduction The acronym I/O VS-MRAC designates the class of variable structure (VS) controllers which require only input/output measurements to be implemented, first proposed in [9], fo... |
| File Format | |
| Access Restriction | Open |
| Subject Keyword | Stability Analysis New Result Actual External Disturbance Restrictive Stability Analysis Vs-mrac Scheme Explicit Consideration Relative Degree Vs-mrac Redesign Effective Controller Design Plant High Frequency Gain External Disturbance Rejection Input Output Measurement Overall Error System Variable Structure Remarkable Performance Small Residual Set Input Disturbance |
| Content Type | Text |