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RELIABILITY AND SENSITIVITY ANALYSIS OF A SYSTEM WITH CONDITIONAL AND EXTENDED WARRANTY

Sachdeva, Kajal ; Taneja, Gulshan ; Manocha, Amit

Reliability: Theory & Applications 2023

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  • Título:
    RELIABILITY AND SENSITIVITY ANALYSIS OF A SYSTEM WITH CONDITIONAL AND EXTENDED WARRANTY
  • Autor: Sachdeva, Kajal ; Taneja, Gulshan ; Manocha, Amit
  • Assuntos: Extended warranty ; Profit function ; Regenerative process ; Reliability ; Sensitivity analysis
  • Descrição: System reliability and maintenance cost are the most crucial and decisive factors influencing consumers’ buying behaviour. The manufacturer attempts to address the consumer concern by offering a warranty in accordance with the reliability of the system and maintenance costs. This study aims to examine the stochastic behaviour of a single unit system operating in three different time frames, namely normal, extended and expired warranty time duration. The system user can prolong the normal warranty period at an extra cost. This prolonged warranty is termed an ‘Extended Warranty’. However, the manufacturer provides a warranty on a system with certain conditions. If the failures are covered under the warranty conditions, the repair/replacement is done free of cost; otherwise, all charges are borne by the system user. Markov and regenerative processes are used to derive the system’s reliability and other performability measures. Time distributions used in the study are taken as arbitrary. The profit function for the manufacturer and the user is formulated and analysed. Sensitivity analysis for system availabilities in different time zones and profit functions is also done. Numerical examples for exponential, Weibull and Erlang time distributions are discussed to illustrate the derived measures.
  • Editor: Reliability: Theory & Applications
  • Data de criação/publicação: 2023
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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