نتایج جستجو برای: hybrid electric vehicle
تعداد نتایج: 429152 فیلتر نتایج به سال:
many studies have been done on hybrid vehicles in the past few years. the full hybrid vehicles need a large number of batteries creating up to 300 (v) to meet the required voltage of electric motor. the size and weight of the batteries cause some problems. this research investigates the mild hybrid vehicle. this vehicle includes a small electric motor and a high power internal combustion engine...
Hybrid electric vehicles are getting more attention due to the fuel consumption and emission issue in megacities. Energy management strategy and battery capacity are the primary factors for the energy efficiency of range-extended hybrid electric vehicles. Iran khodro Powertrain Company has unveiled a series of hybrid electric vehicles and is improving its performance constantly. In the present ...
منبع ذخیره انرژی مرسوم در خودرو های هیبرید الکتریکی، باتری است. استفاده از باتری در خودروهای برقی به منظور ذخیره سازی انرژی با محدودیت هایی همچون جذب سریع و کامل انرژی ترمزی و کاهش طول عمر به علت دفعات زیاد شارژ و دشارژ، همراه است. استفاده از یک منبع توان مثل فراخازن، موازی با باتری می تواند پیک توان باتری را کاهش دهد و باعث بهبود عمر باتری شود . فراخازن بخاطر شارژ و دشارژ سریعی که دارد بخوبی م...
The controller of the hybrid electric vehicle determines the combustion engine start-stop time, the operation points, and regenerative brake energy. The Controlling approach of hybrid electric vehicles controls the amount of needed fuel in every driving situation. In the present study, the thermostat strategy is implemented along with fuzzy logic control and compared to the classic thermostat s...
Many studies have been done on hybrid vehicles in the past few years. The full hybrid vehicles need a large number of batteries creating up to 300 (V) to meet the required voltage of electric motor. The size and weight of the batteries cause some problems. This research investigates the mild hybrid vehicle. This vehicle includes a small electric motor and a high power internal combustion engine...
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 ...
in the present study, a model of a large lithium polymer (li-po) battery for use in the simulation of hybrid electric vehicles (hevs) is developed. to attain this goal, an equivalent circuit (ec) consisting of a series resistor and two rc parallel networks is considered. the accuracy and the response time of the model for use in an hev simulator are studied. the battery parameters identificatio...
this paper presents a control strategy developed for optimizing the power flow in a fuel cell hybrid vehicle structure. this method implements an on-line power management based on the optimal fuzzy controller between dual power sources that consist of a battery bank and a fuel cell (fc). the power management strategy in the hybrid control structure is crucial for balancing between efficiency an...
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 ...
integration reinforcement of renewable energy resources and phevs through hybrid ac-dc local network
the share of dc-based renewable energy resources (rers) and electricity storage systems are increasing due to developments of smart grid technologies. moreover, the share of dc-based load has rapid growth due to significant developments of power electronic technologies. therefore, a more flexible power system is required for efficient integration of emerging loads and generators. in this paper,...
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