2023-02-082023-02-082022Sánchez de los Reyes, P., Pérez-González, P. y Framiñán, J.M. (2022). Permutation flowshop scheduling problem with total core idle time minimization. En 10th IFAC Conference on Manufacturing Modelling, Management and Control, MIM 2022, IFAC PapersOnLine 55, 10 (187-191)2405-8963https://hdl.handle.net/11441/142565-Part of special issue 10th IFAC Conference on Manufacturing Modelling, Management and Control MIM 2022: Nantes, France, 22-24 June 2022 -Copyright © 2022 The Authors. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0/)In this paper, we present a deterministic permutation flowshop scheduling problem with a new objective function, the total core idle time. The interest of this objective is related to reduce the energy consumption of the system, taking into account that the energy needed during the processing times is constant, and that machines are switched off during the front and back idle times. Therefore, the energy consumption is dependent on the time where machines are in stand-by mode, i.e during the idle time of machines between jobs, named as core idle times. Constructive heuristics and metaheuristics are adapted from the permutation flowshop scheduling literature for classical objectives as makespan and total completion time. Additionally, a new variant of one of the metaheuristic is proposed, the VBIH-P. An experimental evaluation has been carried out to analyse the performance of all the methods. The results show an excellent performance of the VBIH-P compared to the adapted methods.application/pdf5 p.engAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/Production schedulingMetaheuristicPermutation flowshopOptimizationinfo:eu-repo/semantics/conferenceObjectinfo:eu-repo/semantics/openAccess10.1016/j.ifacol.2022.09.388