In this paper the authors propose an original method of the numerical evaluation of checkup sets for the technical condition of an
agricultural tractor. Information entropy required in diagnostic tests for a specific checkup set was used as the evaluation criterion. A formal description is given for the technical condition diagnostics of a tractor in its operation period, which is characterised
by a high rate of average damage. The structural model was constructed using information entropy. This model accumulates the
number of checkups, probability of specific damage types and assigns them a common numerical measure. The conducted logic
analysis of the proposed method and the results obtained in experiments on its practical applicability in service stations indicate
that the method adequately describes this area of machine operation and thus may be a measure of information effectiveness for
checkup sets determining the machine technical condition.
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Evaluation of the Operating Parameters of Self-Propelled Forage Harvesters During Maize Silage Harvest Krzysztof Krzyżaniak, Ireneusz Kowalik, Piotr Rybacki Agricultural Engineering
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