A multi‐failure additive dependability model for transit system effectiveness analysis | Zendy

Rapone Mario | Zendy; Calabria Raffaela | Zendy; Pulcini Gianpaolo | Zendy

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A multi‐failure additive dependability model for transit system effectiveness analysis

Author(s) -

Rapone Mario,

Calabria Raffaela,

Pulcini Gianpaolo

Publication year - 1989

Publication title -

quality and reliability engineering international

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.913

H-Index - 62

eISSN - 1099-1638

pISSN - 0748-8017

DOI - 10.1002/qre.4680050110

Subject(s) - dependability , maintainability , reliability engineering , reliability (semiconductor) , computer science , transit (satellite) , measure (data warehouse) , component (thermodynamics) , engineering , transport engineering , data mining , public transport , power (physics) , physics , quantum mechanics , thermodynamics

Dependability has been recognized in the transportation reliability literature as an effective measure of transit system service quality. Dependability models link system dependability with reliability and maintainability characteristics of subsystems, incorporating special operating characteristics and recovery policy from failure of each particular transit system. In this paper a new transit system dependability model is proposed, which considers the possibility that a passenger may be delayed by the occurrence of more than one failure in a trip. The mathematical difficulties associated with the algebra of random variables are overcome by using the Monte Carlo method. The results of the proposed model are compared with those relative to different modelling approaches in the literature, by applying the model to a common test scenario.

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