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This paper investigates significant changes in the performance of switch-mode power supplies used in standard desktop PCs (PC-SMPS'), which might occur when a PC-SMPS transfers from high to low operating powers. Using the experimental results, it is shown that due to a partial discharging of dc link capacitor at low powers, the input ac current of tested PC-SMPS' loses its periodicity with supply...
This paper analyses the impact of operating modes and nonideal power supply conditions on the efficiency of modern low-voltage power electronic devices. The sophisticated circuits and controls implemented in such devices are expected to result in increased efficiencies, higher operating power factors, and reduced harmonic emissions. However, the interactions of individual PE devices with the supplying...
We propose a perceptual haptic data reduction approach for teleoperation systems which use the time domain passivity approach (TDPA) as their control architecture for dealing with time-varying communication delay. Our goal is to reduce the packet rate over the communication network while preserving system stability in the presence of time-varying and unknown delays. Compared to the existing wave variable-based...
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