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In this paper, an intelligent battery charger for a set of Ni-Cd batteries is designed, Simulated and experimentally tested. A fuzzy inference process utilized in a power management system (PMS) to control a BUCK converter as a battery charging system. Battery temperature and voltage variations are used as controller input variables and charge current as output. Battery voltage and temperature is...
With the increasing use of mobile computing devices such as PDAs, laptops, and the expansion of wireless local area networks (WLAN), there is growing interest in increasing productivity and efficiency through enhancing received signal power. This research demonstrated a band pass square-loop frequency selective surface (FSS) in walls to increase the efficiency of certain communication systems. The...
Based on a PWL memristor, Chua's circuit is modified through element replacement, simulation results demonstrated that chaos attractor can be generated in the modified Chua's circuit.
The optimal operation of a rail vehicle with on-board energy storage device minimizing energy consumption in catenary free mode is discussed in this paper. The electric double layer capacitor (EDLC) is assumed as an energy storage device because of its high power density, long lifetime and quick charge/discharge. The proposed method can determine the optimal acceleration/deceleration at each sampling...
When an electric machine is designed, a dynamic model of the machine is advantageous in order to predict the electromagnetic, electric and mechanical behavior. In this paper a new modeling method of the dynamic behavior of the switched reluctance motor is presented. It bases on the macromodelling approach, which gives the advantages of minimum input data for the simulation and acceptable flexibility...
IBIS4.2 (I/O Buffer Information Specification) standard describes the hysteresis behavior from one simulation point to the other. In an analog simulator, solution is obtained based on multiple iterations in between simulation points. These iterations can lead to undesired behavior. The common problem that might be encountered with this specific behavior in an analog simulator due to iterations will...
With technology scaling, vulnerability to soft errors in random logic is increasing. There is a need for on-line error detection and protection for logic gates even at sea level. The error checker is the key element for an on-line detection mechanism. We compare three different checkers for error detection from the point of view of area, power and false error detection rates. We find that the double...
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