The aim of this realization is to provide a demonstrator fed by a modular hybrid source and validate the simulation work, which highlighted the interest of hybridization.A small robot shown in the paper ist used; its mass is 30kg and its dimensions on the ground are 400x400 mm2. A 60 W DC brushless motor drives each front wheel; there are also two free rear wheels, so that the robot can move forward, backward and turn round. The robot is controlled thanks to a manual joystick. The energy source is composed of a battery and the fuel cell (FC). The fuel cell has been realised by the C.E.A. Pure hydrogen and oxygen supply it. Its gross power is 250W and it is composed of 14 cells. The battery is a 7 Ah Pb battery. A DC/DC converter has been inserted between the FC and the DC bus in order to control the DC bus voltage, which should be 24V or so. Experimental results (current, voltage in the different components of the source) are given and compared to the simulated curves. The Matlab/Simulink model of the hybrid source is different depending on the frequency of the phenomena that are considered. At last, the authors present some prospects such as validating energy management strategies or optimising hybridisation according to the driving profile.


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    Title :

    A demonstration vehicle with a proton exchange membrane fuel cell hybrid energy source


    Additional title:

    Ein Demonstrationsantrieb mit einer PEM-Brennstoffzelle und einer galvanischen Batterie


    Contributors:


    Publication date :

    2003


    Size :

    10 Seiten, 11 Bilder, 5 Quellen


    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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