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Domain wall memory (DWM) is an emerging memory technology that utilizes magnetic domains along a nanowire to achieve high density, short latency and low power. Recent studies showed that it is promising to replace SRAM and STT-MRAM to construct DWM based on-chip caches. However, accessing DWM requires frequent shift operations, which leads to large energy consumption for DWM caches. In this paper,...
The time-to-digital converter(TDC) is an equipment which aims to measure the accurate time of the edges of the input signal. Our work present an I/O Tile based multi-phase clock time-to-digital TDC, which is implemented in Field-Programmable-Gate-Array(FPGA). A hit signal is sampled by 8 equidistant phase-shifted clocks in the I/O Tile. A differential I/O standard input signal connecting to the I/O...
As is known to all, an accurate on-line estimation of the battery capacity is important for forecasting the EV driving range. But because of the different driving environment and the property of the battery, it is hard to estimate the capacity of the battery pack. This paper presents an unscented Kalman filtering method to estimate the state of charge of LiFePO4 battery pack. Five comparison experiments...
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