FIELD: check of diesel engine working processes in diesel engine plants. SUBSTANCE: check of working process of diesel engine is effected through taking dependence of pressure of gas in cylinder versis angle of turn of crankshaft with the aid of sensors. This dependence is taken for cylinder which is nearest to crankshaft angle sensor for 3 to 5 modes of operation and magnitude of its second (or higher) derivative for one angle of turn of crankshaft, for example, top dead center of this cylinder. This magnitude is taken as base magnitude and dependence of gas pressure derivative in second cylinder versus angle of turn of crankshaft is determined; angle of turn of crankshaft for other culinder is determined by equality of base magnitude of respective derivative of gas pressure dependence in this cylinder versus angle of turn of crankshaft. EFFECT: enhanced reliability. 2 dwg
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