نوع مقاله : مقاله پژوهشی
نویسندگان
1 کارشناسی مهندسی صنایع، گروه مهندسی صنایع، دانشکدۀ مهندسی، دانشگاه کاشان، کاشان، ایران
2 استادیار گروه مهندسی صنایع، گروه مهندسی صنایع، دانشکدۀ مهندسی، دانشگاه کاشان، کاشان، ایران
چکیده
کلیدواژهها
موضوعات
عنوان مقاله [English]
نویسندگان [English]
Due to the special position of the no-wait flow shop scheduling in production centers, this problem has received much attention in recent years. In this type of scheduling, there is no waiting time between the processing of a job on consecutive machines. This problem is raised in many industries, including the production of perishable foods. One common assumption in this problem is the availability of tasks at the zero moment. In many cases, some tasks have a non-zero release time. Also, in the field of operation scheduling, one of the common assumptions is the availability of machines in the planning horizon. It is clear that in practice, a machine is temporarily unavailable due to various reasons such as breakdown or preventive maintenance activities. Due to the importance of this issue, in the present study the no-wait flow shop scheduling problem considering the task release times and the preventive maintenance is investigated. For the mentioned problem, a Mixed Integer Non Linear Programing (MINLP) model is presented. The General Algebraic Modeling System (GAMS) software is used to solve the model. Also, in order to verify the validity of the presented model, sensitivity analysis has been performed on the important parameters. Due to the complexity of the model and the NP- hardness of the proposed problem, the Hybrid Harmony Search (HHS) metaheuristic algorithm is proposed to solve large-scale problems. In order to evaluate the performance of the proposed algorithm, numerical sample problems are solved using this algorithm, the GAMS software as well as the classic Harmony Search and the Improved Beam Search (IBS) algorithm. Computational results confirm the effectiveness of the proposed algorithm for the considered problem
کلیدواژهها [English]