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The stability of discrete time systems with single and double state-delay was analyzed in this paper. Lyapunov function was constructed to get the system's stability, where the LMI (Linear Matrix Inequation) was applied to simplify Lyapunov function. And the conclusion was finally extended to the discrete time systems with multiple state time-delay.
In order to improve fuel economy and reduce exhaust gas emissions, hybrid and electric vehicles use the electric motor as a generator for regenerative brake during deceleration, which converts kinetic energy of the vehicle into electrical energy. To maximize the recovery of braking energy, special brake system is needed to blend control the regenerative brake force and hydraulic brake force. This...
There has been a constant barrage of worms over the internet during the recent past. In order to develop appropriate tools for thwarting quick spread of worms, researchers are trying to understand the behavior of the worm propagation with the aid of epidemiological models. In this study, A SIQRS (susceptible-infected-quarantined-removed-susceptible) model with nonlinear incidence rate for the worm...
In the management and use of numerical control equipment, often encountered in precision CNC machining instability and decline and other issues. The vibration of such problems associated with equipment, maintenance, transportation and aging and other factors, become more prominent. If we pass a mathematical model, combined with certain types of CNC systems analogous analysis, parameter optimization...
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