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In this paper, an energy management strategy in a Hybrid Electric Vehicle (HEV) is studied. This HEV is powered by a Fuel Cell (FC), and a Li-Ion battery. The FC supplies average power during the steady state and the battery furnishes the peaks of power during transient responses due to its high power density compared to the FC. This energy management, based on a fuzzy logic approach, aims to increase...
This paper presents a control strategy scheme based on frequency-separation for Fuel cell-Battery Hybrid Electric Vehicle (HEV), using a Fuel cell (FC) as a main energy source, and a battery as an auxiliary power source. First, an analysis of hybrid architecture using an FC and batteries for automotive applications is presented. Next, the model and the control strategy are described. In this strategy...
In this paper, two energy management strategies considering the hydrogen consumption of hybrid power sources using a PEM Fuel Cell (FC) and Ultracapacitors (UC) are described and compared. First, the Hybrid Electric Vehicle (HEV) architecture and the associated models with their control strategies are described. The two energy management strategies are evaluated based on the Energetic Macroscopic...
In order to save energy and reduce environmental burdens, we (Railway Technical Research Institute) have been developing a railway vehicle powered by fuel cells since FY 2001. In FY 2006, we produced the railway vehicle powered by a 100 kW-class fuel cell system with assumed the power supply for railway vehicle traction, and succeeded in making the vehicle run for one car. The results of these tests...
Hydrogen powered fuel cell vehicles (FCVs) are receiving global attention, stimulated by the urgent need for more fuel-efficient vehicles. However, current challenges for fuel cells such as high cost, sizing problem, and limited driving range, greatly affect the pace of FCV development. At the same time, domestic and renewable energy resource usage is frequently being encouraged for future electric...
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