In hydrogen operated cars the fuel storage system is a vital part with remarkable requirements. Unlike conventional gasoline tanks, a hydrogen fuel storage system is more complex in operation and requires a very sensitive monitoring and control electronics. The operation within an automotive environment adds new challenges to the established industrial standards. This paper presents the electronic requirements from a systematic point of view. Actually, hydrogen will be mainly stored either as highly compressed gas or as cryogenic liquid at very low temperatures. The use of electrical power in the (possible) presence of a hydrogen-air mixture imposes a safety-thread unless appropriate precautions are made. All sensor interfaces have to be designed according to the guidelines for intrinsic safety. The paper deals with these safety aspects and outlines requirements and solutions in conjunction with the automotive environment. While the paper focuses on the research aspects and the presentation of practical solutions, it also aims at presenting the design flow and the functional and regulatory boundary conditions.
The electronic requirements on automotive hydrogen storage systems
2008
10 Seiten, 12 Bilder, 12 Quellen
Aufsatz (Konferenz)
Englisch
Electronic requirements for automotive hydrogen storage systems
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