Wykorzystanie zmodyfikowanego rozkładu Weibulla w badaniu niezawodności urządzeń AGD
Use of the modified Weibull distribution in reliability testing of household appliances

Summary/Abstract: Forecasting of the manufactured appliances’ reliability is a difficult and still considered issue. The article presents results of the household appliances’ reliability research with the application of a modified Weibull distribution. In the first part there are shown theoretical assumptions of the research together with choice grounds of the applied model. Estimates of parameters of the model were based on a data set, which contained censored observations. This information is derived from actual observations of warranty services of a selected production company. The second part of the paper contains the results of estimates obtained using maximum likelihood methods. It also contains comments on the usefulness of the results. The study allowed to compare changes in the reliability of the selected appliances in recent years, as well as to relate them to the quality requirements – both customer and manufacturer.

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