Measurements and Simulations of Transient Switching Phenomena in Modern Passenger Cars
Date Published: 2004-03-08
Paper Number:2004-01-1704
DOI: 10.4271/2004-01-1704
Citation:
Kull, M., Feser, K., and Reinhardt, U., "Measurements and Simulations of Transient Switching Phenomena in Modern Passenger Cars," SAE Technical Paper 2004-01-1704, 2004, doi:10.4271/2004-01-1704.
Automotive electric and electronic devices are commonly tested with standard pulses at the battery lines according to ISO 7637-Part 1 and 2. As these pulses do not cover all disturbances that occur in modern passenger cars, each OEM defines its own additional test-pulses which makes it difficult for component suppliers to satisfy all existing requirements.
The paper shows a comparison between measurement and simulation such as slow “ignition on” pulses of a modern passenger car. Additionally, the ability of the computing model to calculate the propagation of fast transients and characteristic pulses of currently used electric and electronic devices is demonstrated. This data can be used for the definition of new test-pulses.
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