Study of spark plug ion current signal acquisition and analytic system based on virtual instrument

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| 2005年 / Chinese Society for Measurement, Beijing, China卷 / 26期
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The spark plug ion current signal carries along rich information about the engine combustion process. An ion current signal acquisition and analytic system is developed based on virtual instrument. The hardware structure, software development and test results are presented. The signals can be realtime acquired and analysed, and the engine combustion state parameters can be distilled from it by this system.
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