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  4. Diagnose von Verbrennungsmotoren durch Analyse des Winkelgeschwindigkeitsverlaufes der Kurbelwelle
 
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1987
Journal Article
Title

Diagnose von Verbrennungsmotoren durch Analyse des Winkelgeschwindigkeitsverlaufes der Kurbelwelle

Other Title
Diagnosis of combustion engines by analysis of the crankshaft's rotational speed
Abstract
Important faults of combustion engines can be diagnosed by analysis of the crankshaft's rotational speed. In this contribution, an improvement of this method by simple statistical is described, taking into account the cyclical dispersion of ignition engines. Using this evaluation method, small and timevariant faults can be detected and the faulted cylinder in multicylinder machines can be identified. First results of a simplified theoretical model are compared with measured waveforms. Thus a better physical understanding of the waveforms and further developments of diagnostic procedures are possible. (IITB)
Author(s)
Quante, F.
Fehrenbach, H.
Journal
FhG-Berichte  
Language
German
IITB  
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