Salvatore Distefano
ABSTRACT
Standby is a topic concept in reliability. Even though several works in literature deal with standby, some aspects of standby, standby systems an standby redundancy are not or partially covered and can be further analyzed from a different perspective. Aim of the paper is to provide an in depth investigation of standby issues in reliability and availability, starting from the characterization of simple standby behaviors and thus jumping into the investigation of standby systems and standby redundancy. The study is addressed from both an internal and an external point of view: in the former case by considering, observing and characterizing the effects of standby into a unit, from the inside; in the latter case by considering the unit as a component of a system, and therefore taking into account its interactions with the external environment or with the other components of the system. According to this characterization, the standby is considered as a dependent-dynamic behavior and therefore the dynamic reliability theory can be applied. In this way a formal characterization of the problem and its analytical formulation are provided.
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Index Terms
- Characterization and evaluation of standby in reliability
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