| Switching Adaptive Control of Time-Varying Plants (2008) | |||||||||||||||
Abstract | |||||||||||||||
| We study the problem of adaptively stabilizing time-varying plants using supervisory control, which employs multiple controllers and a supervisory unit that orchestrates switching among the controllers. We show that for bounded disturbances and noise, all the closed-loop signals remain bounded provided that the plant varies slowly enough and the unmodeled dynamics are small enough. Slow variation is quantified by a new class of switching signals which are characterized by dwell-time as well as average dwell-time. In proving stability of the closed loop, we also derive a new result on stability of interconnected switched systems in which the states and the switching signals of two switched systems are mutually constrained. I. | |||||||||||||||
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