The paper presents a method for the performance evaluation of long lines with machines controlled by a restart policy. The restart policy, typical of packaging lines in the food and beverage industry, aims to reduce the occurrence of blocking events on critical machines: when any critical machine gets blocked sinceits downstream buffer is full, it is prevented from resuming production until the buffer is once again empty.First, an analytical model for a building block with restart policy and multiple failure modes is developed and its solution derived. Then, the paper shows how the new model can be included in a decomposition technique based on a multiple failure approach. Some validation results are also provided for three-machine two-buffer lines with a restart policy on the first machine.

A building block for the decomposition analysis of production lines with restart policy / Gebennini, Elisa; Grassi, Andrea; Fantuzzi, Cesare. - STAMPA. - (2011), pp. 101-108. ((Intervento presentato al convegno 8th Conference on Stochastic Models of Manufacturing and Service Operations - SMMSO 2011 tenutosi a Kuşadası, Turkey nel 28 May - 02 June, 2011.

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