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The proposed dynamic voltage scaling (DVS) based burst mode links the DVS technique in a system on a chip (SoC) and the burst mode operation of the DC-DC converter for further efficiency improving. Conventional burst mode has only one entrance transition point (ETP) between the pulse width modulation (PWM) and the burst mode, so the voltage ripple is high at low DVS voltage while the efficiency is...
Multicore processors have been widely used in battery-operated portable systems, desktop, and server applications, where dynamic voltage scaling (DVS) and adaptive voltage scaling (AVS) techniques are commonly employed to lower power consumption and improve thermal performance of the cores. In Fig. 20.2.1, high-bandwidth digital low-dropout (DLDO) regulators are used to achieve fast, cost-effective,...
Conventional digital low dropout (D-LDO) regulator usually suffers from the drawback of long settling time during transient response due to the usage of shift register architecture. In this paper, the proposed D-LDO regulator can observe the output voltage variations during load transient time to predict the load current for fast transient response. Near optimum turn-on power MOSFET in steady state...
Nowadays production improvement of orchids in flower nursery is relying on intelligent environmental management. Such objective can be realized by cooperating with automation controls, computer science, and sensing technologies. In this paper, we introduce our orchid nursing system involving sensors' alignment processes. Here an enclosed mobile nursery is equipped with a low-cost embedded system for...
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