Stabilnost dijagnostičkog parametra vibracijskog signala cilindra motora

This paper deals with the defining of the diagnosing parameter as the moment of the piston stroke on the cylinder as expressed by the angle of the crankshaft. The established diagnosing parameter has been examined. This property is indispensable in the light of the fact that if missing the selected diagnosing parameter cannot be applied with necessary reliability for cylinder wear diagnosing. The stability of the diagnosing parameter has been verified in experiments for different values of cylinder wear.