Fault Estimation And Tolerant Anti-disturbance Switching Control for
Switched Systems with Its Application to Circuit Systems
This study proposes a fault estimation and tolerant anti-disturbance
switching control (ADSC) approach for the switched systems subject to
the system fault and multiple disturbances. The fault dose not required
to have a model.The disturbances contain the modeled unmeasurable part
and the unmodeled measurable part. First, a composite switching
estimator is constructed to simultaneously estimate the unavailable
system state, fault and modeled disturbance. Then, by means of the
estimator, a switching controller is developed to tolerant the fault and
complement the modeled disturbance. Further, under the dwell time
relevant switching signals, criteria are established to ensure the fault
estimation performance and robustness property for the switched systems.
Finally, via implementing the presented fault estimation and tolerant
ADSC scheme on a switched circuit system to regulate the charge and
flux, the reasonability of the established result is verified.