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The Energy Storage System(herein after referred as ESS) consists of batteries and/or ultra-capacitors and BMS. Different type of EVs need different ESS. ESS is the key to the future of EV including PEV and HEV. The paper will present the current status and the future of ESS for PEV and HEV separately. 1 Background The energy storage system is the key to(More)
The number of the discrete samples for the dimensional measurement of machined surfaces and their coordinates is investigated. Counter to intuition, there need not be quadratically more samples than in the case for sampling lines or curves. To justify this novel scheme, accuracy is defined as the discrepancy of a finite point set. Then, from number theory,(More)
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