Yongyu Wang

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Performance evaluation is an important aspect in the study of microwave-absorbing material coatings. The reflectivity of the incident wave is usually taken as the performance indicator. There have been various methods to directly or indirectly measure the reflectivity, but existing methods are mostly cumbersome and require a strict testing environment. What(More)
In order to overcome the disadvantages of non-minimum phase system, which the Z-source inverter has when it is used in the motor drive system of electric vehicles, an integral sliding-mode controller based on equivalent control is proposed. With the reaching condition imposed, the controller can guarantee the stability of closed-loop system and the(More)
This paper proposes a sliding-mode cloud hybrid controller for nonlinear systems with uncertainty and disturbance. The proposed sliding-mode cloud hybrid controller is a combination of sliding-mode controller (SMC) and cloud controller, which inherits the benefits of these two methods. The cloud controller, with the sliding-mode function as its input, is(More)
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