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Li, Dongguang; Shah, Sirish L.; Chen, Tongwen

Analysis of dual-rate inferential control systems. (English) Zbl 1038.93033

Automatica 38, No. 6, 1053-1059 (2002).
Summary: For a dual-rate control system where the output sampling interval is an integer multiple of the control interval, we propose a model-based inferential control scheme which uses a fast-rate model to estimate the intersample outputs and then supply them to a controller at the fast rate. Comparing such an inferential controller with the corresponding fast single-rate controller, we conclude that the former is not better in disturbance rejection capability; however, in the presence of model-plant mismatch, the former is advantageous in stability robustness of the closed-loop system.

Cited in 15 Documents

MSC:

93B51 Design techniques (robust design, computer-aided design, etc.)

Keywords:

Robustness; Stability; Multirate systems; Digital control; Inferential control
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\textit{D. Li} et al., Automatica 38, No. 6, 1053--1059 (2002; Zbl 1038.93033)
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