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An attempt of a preliminary assessment of the serviceability assurance process on the basis of statistical analysis of a chain of damages

Landowski B.

Journal of Polish CIMAC

2010

Vol. 5, no 2

99-107

The investigation object in this paper is a real system of an urban transport bus operation and maintenance in a large urban agglomeration. The investigated system belongs to the class of operational systems with a goal oriented behaviour. The paper presents the results of the investigations concerning damages to the buses of an urban transport system. Based on the analysis of the statistical data regarding the damages to the elementary bus subsystems some feature has been found, and namely that certain sequences of the damage chain occur with excessive frequency. The damage chain is considered to be a random sequence whose elements are the codes of the successively damaged bus subsystems. The analysis of the damage chain may be one of the elements to evaluate the maintenance subsystem within complex operation and maintenance systems of technical objects.