An analytical and experimental researcb investigation was performed to evaluate the applicability of various sensor-based torque-measurement schemes to adaptive electronic control systems for diesel engines operating with alternative fuels. Based on analytical considerations, it was determined that the sub-cyclic flywheel speed perturbations which result from local angular accelerations and decelerations induced by the periodic impulsive sub-cycle torque contributions of the individual cylinders of an engine could provide a practical, cost-effective and sufficiently accurate means for torque sensing in both new and existing vehicle configurations. The efficacy of this scheme was experimentally demonstrated on a dynamometer-mounted four-cylinder direct-injection diesel engine through tests in which torque levels predicted on the basis of measured flywheel speed variations were found to be in good agreement with values measured on a reference torque meter under both steadystate and transient engine operating conditions.


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    Titel :

    Torque sensing for controlled alternative-fuel combustion in diesel engines


    Weitere Titelangaben:

    Drehmomentsensor fuer die kontrollierte Verbrennung von Alternativkraftstoffen in Dieselmotoren


    Beteiligte:
    Kay, I.W. (Autor:in) / Lehrach, R.P. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1984


    Format / Umfang :

    13 Seiten, 19 Bilder, 12 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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