نتایج جستجو برای: pure electric bus
تعداد نتایج: 257749 فیلتر نتایج به سال:
Life cycle cost analysis of a car, a city bus and an intercity bus powertrain for year 2005 and 2020
The international economy, in the beginning of the 20th century, is characterized by uncertainty about the supply and the price of oil. Together with the fast decrease of electrical propulsion component prices, it becomes more and more cost effective to develop vehicles with alternative powertrains. This paper focuses on two questions: Are alternative powertrains especially cost effective for s...
This paper presents a novel algorithm based on particle swarm optimization (PSO) to estimate the states of electric distribution networks. In order to improve the performance, accuracy, convergence speed, and eliminate the stagnation effect of original PSO, a secondary PSO loop and mutation algorithm as well as stretching function is proposed. For accounting uncertainties of loads in distributi...
Plug-in hybrid electric vehicles (PHEVs) have a larger battery and can replace a certain amount of conventional fossil fuels with grid electricity, which differs from the traditional hybrid electric vehicles (HEVs). The application of the onboard electrical energy significantly influences the energy utilization efficiency and thus impacts the fuel economy. In this paper, the basic PHEV operatio...
ABSTRACT Bus communication system was established mainly using Sim Events module in the software of Matlab/Simulink. Performance indexes of bus system, which embraces worst-case response time of messages and bus load, were separately gained by theoretical calculation, experiments in Matlab and CANoe. The calculation and experiment results were compared sufficiently, and it concludes that bus sy...
In this paper, an adaptive rule based controller for an anti-lock regenerative braking system (ARBS) of a series hybrid electric bus (SHEB) has been proposed. The proposed controller integrates the regenerative braking and wheel anti-lock functions by controlling the electric motor of the hybrid vehicle, without using any conventional mechanical anti-lock braking system. The performance of the ...
Electric vehicles are in the brink of breakthrough in the automotive industry, and batteryelectric city buses are no exception. However, the costs are still high compared to conven-tional buses with internal combustion engines. A thorough electric city bus system plan-ning is an effective way to curb the high costs, where, accurate knowledge about the spe-cific energy consum...
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