Equipment has been developed for testing automotive engine ignitors automatically. It consists of a microcomputer, engine simulator, and measurement unit. Given te ignitor specifications to be tested, the microcomputer calculates the engine state and sets it into the engine simulator. The simulator then produces the signals necessary to operate the ignitor. The advance angle and the dwell time of the ignitor are measured by the measurement unit with the accuracy of 0.1 deg in crank angle and of 0.1 ms, respectively. This process is repeated until all the test items are covered. Time required for the test is only a few seconds. The result is plotted, if desired, as a function o engine speed and load.
An automatic test equipment for automotive engine ignitors
Eine automatisch arbeitende Pruefeinheit fuer das Testen von Kraftfahrzeug-Zuendanlagen
IEEE Transactions on Instrumentation and Measurement ; 33 , 3 ; 172-176
1984
5 Seiten, 10 Bilder, 8 Quellen
Article (Journal)
English
An automatic test equipment for automotive engine ignitors
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