Cost - effective maintenance with preventive replacement of oldest components

• Autorzy: Frenkel I. , Khvatskin L.
• Języki publikacji: EN

Abstrakty

EN

We consider preventive maintenance of a continuously operating system, whose real-life prototype is a rotating chemical reactor for production of phosphorous acid. The drum, in which the reaction takes place, has 42 rollers (elements), which are subjected to a heavy load and to chemical corrosion. The components are organized in a ring-type structure. The system failure is defined either as the failure of 2 adjacent elements, or as a failure of any three elements in a set of 6 adjacent elements. The existing servicing policy prescribes replacing only the failed elements at the instant of system failure occurrence. The operational conditions permit the opportunistic replacement of non-failed components at the instant of system failure. In this paper, we propose a cost-effective policy of preventive maintenance: at the same time the system fails, several of the oldest non-failed components are replaced by new ones. The application of the above optimal preventive maintenance policy results in a reduction of the average cost per unit time by 15-30%.

Słowa kluczowe

EN

preventive maintenance; group replacement; simulation approach

• Wydawca: Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne
• Czasopismo: Eksploatacja i Niezawodność
• Rocznik: 2006
• Tom: nr 2
• Strony: 37--39
• Opis fizyczny: bibliogr. 3 poz.

Twórcy

autor

Frenkel I.

autor

Khvatskin L.

• International Reliability and Risk Management Center, Sami Shamoon College of Engineering, Beer Sheva, 84100, Israel,

Bibliografia

• [1] Gertsbakh, I.B. (2000): Reliability Theory with Applications to Preventive Maintenance, Berlin: Springer-Verlag.
• [2] Dekker R. et al. (1998): Maintenance of light-standards: a Case Study. Journal of the Operational Research Society, 49: 132-143.
• [3] Frenkel, I.B., Khvatskin, L.V. and Laslo, Z. (2002): A Preventive Maintenance Policy: Simultaneous Replacement of the Oldest Components in Addition to the Failed Component. Communications in Dependability and Quality Management, An International Journal, 5(2), p. 89-96.