A computer controlled system for testing of electronic control units at extreme temperatures
A computer controlled system for testing of electronic control units at extreme temperatures
- New search for: Hietanen, E.D.
- New search for: Kudlaty, P.R.
- New search for: Locher, D.H.
- New search for: Hietanen, E.D.
- New search for: Kudlaty, P.R.
- New search for: Locher, D.H.
The Bendix electronic fuel injection system incorporates an electronic control unit (ECU) for metering of fuel flow dependent upon sensed input parameters. Testing of the ECU requires variation of simulated input parameters and measurement of its fuel metering control pulses. In April 1977, Bendix installed an automated test system for 100 percent testing of ECU's under conditions of prolonged soaks at selected temperature extremes and during temperature excursions. The automated system, as described in this paper, operates under programmed control of test conditions with automatic analysis of ECU responses to each test condition. Data from ECU failures during the test are stored on a floppy-disk for subsequent summary and analysis by the computer. Use of this system has provided a more accurate test of the ECU than previously obtainable and has provided greater flexibility in establishing test conditions and acceptance criteria. (Wied)
Document information
A computer controlled system for testing of electronic control units at extreme temperatures
Ein rechnergesteuertes Pruefsystem fuer elektronische Regeleinrichtungen bei extremen Temperaturen
1977
9 Seiten, 6 Bilder, 3 Quellen
Conference paper
English
ELEKTRONISCHE REGELUNG , PRUEFEINRICHTUNG , TEMPERATUREINFLUSS , PRUEFTECHNIK , PROGRAMM , PRUEFVORSCHRIFT , AUTOELEKTRIK , EINSPRITZPUMPE , BETRIEBSPARAMETER , KRAFTFAHRZEUG , ELEKTRONISCHE ZUENDANLAGE , TREIBSTOFF , DURCHFLUSSMESSUNG , ELEKTRISCHE REGELUNG , DROSSELREGELUNG , TEMPERATURSTABILITAET , FUNKTIONSPRUEFUNG , MESSDATENERFASSUNG , DATENSPEICHERUNG , MESSDATENVERARBEITUNG , TECHNISCHE VORSCHRIFT
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