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A class of discrete-time networked switched control systems are investigated with event-triggered control. The closed-loop system is formulated as switched linear systems with time-varying delays, based on which the exponential stability conditions are obtained under the time delay system framework. The co-design conditions of the control gain and the triggering parameters are proposed. Finally, a...
This paper is concerned with the stability and stabilization analysis for another usual class of Markov jump linear systems(MJLSs). In this paper, some of the system's regimes are difficult or unable to classify accurately, and this problem can be solved via recombined the probability space of the system. As a result, the necessary and sufficient conditions for stochastic stability of the system are...
Spin-Transfer Torque Random Access Memory (STT-RAM) has been identified as an advantageous candidate for on-chip memory technology due to its high density and ultra low leakage power. Recent research progress in Magnetic Tunneling Junction (MTJ) devices has developed Multi-Level Cell (MLC) STT-RAM to further enhance cell density. To correct the write disturbance in MLC strategy, data stored in the...
When the crypto-period is expired or the key is compromised, trusted third party (TTP) broadcasts the materials of key update. The method cannot guarantee that all the nodes access to key materials in time if nodes work on different spectrums in cognitive radio networks. This paper presents a new algorithm based on the logistic model (KULCR) which reduces the demand for network synchronization and...
As a device without dc line, the ac line side abnormal inputs can deteriorate its output characteristics. The feed-forward compensation scheme for SPWM matrix converter is proposed. Tri-carrier is prior modulated by measured envelop of line voltages, to let the pulse width of SPWM get different compensation in each pulse. The scheme will be analyzed and implemented. Analyses and simulations show that...
This paper presents a new topology of uninterruptible power supply (UPS) by using a Z-source inverter, where a symmetrical LC network is employed to couple the main power circuit of an inverter to a battery bank. With this new topology, the proposed UPS can maintain the desired ac output voltage at the significant voltage drop of the battery bank with high efficiency, low harmonics, fast response,...
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