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Abstract-the single phase brushless DC (BLDC) motor is widely used in the automotive air conditioning systems with its high efficiency and low cost. With the EV system demand, higher requirements are put forward in aspects of efficiency, vibration and noise. To obtain high optimal operational performance, a novel vector control mothed of single phase BLDC is proposed based on usual platform. In this...
The leakage of pipeline would cause serious problems, especially when the pipe conveying petroleum or other toxic substance. For the ocean mining system, the complex environment would increase the risk of the fracture. Once the leakage occurs, the vibration of the pipe would aggravate spill situation and even result in crack of the pipe. To prevent the detriment of the leaking, the dynamic performance...
We consider the stabilization of discrete-time nonlinear OdE systems under discrete transport PdEs which convect in opposite directions. An explicit feedback law that compensates discrete transport PdEs actuator dynamics is designed. Global asymptotic stability of the closed-loop system is proved with the aid of a Lyapunov function. The feedback design is illustrated through an example. The proposed...
In this paper, we discuss the existence of solutions for networks of nonlinear parametrically forced oscillators. We deals with one type of nonlinear coupled system from the studying of the honeycomb sandwich plate. Based on the Implicit Function Theorem, the periodic orbit of the coupled system are derived by the hyperbolicity condition. The method of Poincare map is utilized to obtain solutions...
Several key problems in the controller design for inverted pendulum system are discussed in-depth. Applying the theory of Lie algebra differential geometry based on the single linear inverted pendulum model established by Lagrange method, the problems of exact linearization, controllability, relative degree, the control based on approximate linear model and the stability control of nonlinear inverted...
A new method of fault diagnosis based on confidence level is presented in networked control systems with multi-step delay. Different controllers are designed, which are shown to render corresponding networked control systems asymptotically stable and mean square exponentially stable.
This paper is concerned the robust stability analysis problem for genetic regulatory networks with time-varying delays. By utilizing a Lyapunov-Krasovskii functional, we show that the addressed genetic regulatory networks are robustly, asymptotically stable if a convex optimization problem is feasible. A stability criterion is derived and formulated by means of the feasibility of a linear matrix inequality...
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