Sliding mode control of automotive electronic valve system under weighted try-once-discard protocol

In this paper, the sliding mode control problem is addressed for the automotive electronic valve system, which is described by the Markovian model according to the voltage failure. It is supposed that both the system states and the system modes are unavailable to the controller. In order to avoid data collision on the sensor-to-controller transmission, the scheduling among the sensor nodes is ruled by the weighted try-once-discard protocol. A mode detector via a hidden Markovian model is introduced, and an asynchronous token-dependent state observer is proposed. Dependent on the hidden mode information and current token directive, a sliding mode controller is constructed to assure the reachability of a sliding region. Besides, the hidden Markovian model approach is developed to derive mean-square stability conditions for the augmented system. Eventually, simulation studies are provided to demonstrate the validity of the proposed control scheme for the system under consideration.