Scheduling a forge with due dates and die deterioration

Olivér Ősz (), Balázs Ferenczi and Máté Hegyháti ()
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Olivér Ősz: Széchenyi István University
Balázs Ferenczi: Széchenyi István University
Máté Hegyháti: Széchenyi István University

Annals of Operations Research, 2020, vol. 285, issue 1, No 16, 353-367

Abstract: Abstract In this paper a new scheduling problem is presented, which originates from the steel processing industry. The optimal scheduling of a steel forge is investigated with the goal of minimizing setup and storage costs under strict deadlines and special resource constraints. The main distinctive feature of the problem is the deterioration of some equipment, in this case, the so-called forging dies. While the aging effect has been widely investigated in scheduling approaches, where production speed decreases through time, durability deterioration caused by equipment setup has not been addressed yet. In this paper a mixed-integer linear programming model is proposed for solving the problem. The model uses a uniform discrete time representation and resource-balance constraints based on the resource–task network model formulation method. The proposed method was tested on 3-week long schedules based on real industrial scenarios. Computational results show that the approach is able to provide optimal short-term schedules in reasonable time.

Keywords: Scheduling; Forge; Due dates; Deterioration; MILP (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1007/s10479-019-03336-6

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