نتایج جستجو برای: drive cycle
تعداد نتایج: 352598 فیلتر نتایج به سال:
Lithium-Ion Battery Parameter Identification for Hybrid and Electric Vehicles Using Drive Cycle Data
This paper proposes an approach for the accurate and efficient parameter identification of lithium-ion battery packs using only drive cycle data obtained from hybrid or electric vehicles. The was experimentally validated collected a BMW i8 vehicle. dual polarization model used, new open circuit voltage equation proposed based on simplification combined model, with aim reducing number parameters...
This work investigates fundamental limits on electromechanical energy conversion capacity of piezoelectric transformers by considering a work cycle analysis. Fundamental limitations in a lossless piezoelectric transformer are imposed by maximum electric field strength, maximum surface charge density, maximum stress, and maximum strain. For the lossless case, our analysis indicates that the mech...
Piwi-interacting RNAs (piRNAs) silence transposons and maintain genome integrity during germline development. In Drosophila, transposon-rich heterochromatic clusters encode piRNAs either on both genomic strands (dual-strand clusters) or predominantly one genomic strand (uni-strand clusters). Primary piRNAs derived from these clusters are proposed to drive a ping-pong amplification cycle catalyz...
An improved transformer coupled gate driver scheme for high speed switching applications in power supply or motor drive is proposed in this paper. It improves the deficiencies caused by the conventional transformer coupled gate driver scheme, such as oscillation of the output PWM signal that will make MOSFET improper turn-on, when the duty cycle of input PWM signal reduces from large value to s...
Optimization and Control of a Hydro-Mechanical Transmission based Hybrid Hydraulic Passenger Vehicle
Hydro-mechanical transmission (HMT) based hybrid hydraulic vehicle architecture is potentially more efficient than other architectures because: 1) it uses the efficient mechanical transmission for partial power transfer, 2) it allows the engine to operate at its most efficient point. The input coupled power split hybrid vehicle being developed is one such example. The increase in degrees of fre...
The association between hormones and binge eating was assessed by Klump and colleagues in a community sample [4]. A small group of normal BMI college women provided 65 days of saliva samples for estradiol and progesterone assay, as well as mood and binge-eating scale scores. After controlling for BMI and negative affect, increases in binge eating across the menstrual cycle were significantly co...
Despite the high thermal efficiency achieved by modern heavy-duty diesel engines, over 40% of energy contained in fuel is wasted as heat either cooling or exhaust gases. By recovering part energy, overall engine increases and pollutant emissions are reduced. Organic Rankine cycle (ORC) systems considered a favourable candidate technology to recover gas waste heat, because their simplicity small...
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