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This study deals with the reliable guaranteed-cost control problem for a class of delta operator switched linear systems, in terms of mode-dependent average dwell-time (MDADT) approach. Firstly, based on MDADT approach, asymptotical and exponential stabilities of delta operator non-linear switched systems are analysed. Then, the reliable controller and the minimum MDADT are designed to stabilise the...
This paper focuses on the supervisory fault tolerant control design for a class of nonlinear systems with faults ranging over a finite cover. The proposed framework is based on switched system approach, and relies on a supervisory switching among a family of pre-computed candidate controllers without any additional model. Each faults set can be accommodated by a set of controllers under an appropriate...
Vibration suction method (VSM) is a new kind of suction strategy for wall-climbing robot. The first vibration suction robotic foot (VSRF) was built and tested to verify the applicability of VSM in former works. But the suction capability, safety, and wall adaptability of the first VSRF are not enough. A new generation of VSRF was designed, fabricated and tested. Experiment results show that the new...
This paper investigates the path tracking problem for four-wheel-steering and four-wheel-driving electric vehicles with input constraints, actuator faults and the external resistance. A hybrid fault tolerant control approach, which combines the linear quadratic control method and the control Lyapunov function technique, is proposed. It not only maintains the vehiclepsilas tracking performance in spite...
This paper investigates the fault tolerant control (FTC) problem for a class of hybrid nonlinear impulsive systems. Two kinds of faults are considered: continuous faults that affect each mode, and discrete faults that affect the impulsive switching. The FTC strategy is based on the tradeoff between the frequency of switching and the decreasing rate of Lyapunov functions along the solution of the system,...
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