نتایج جستجو برای: hybrid genetic algorithm scheduling permutation flow

تعداد نتایج: 1944541  

2005
ANTÓNIO FERROLHO

In this paper, scheduling problems in Flexible Manufacturing Cells (FMC) are studied. The scheduling objective is to minimize the makespan. We used a genetic algorithm (GA) for solving the optimization scheduling problem. We have developed one FMC with industrial characteristics with the objective of studying scheduling problems in these types of manufacturing systems (single machine scheduling...

Journal: :Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2007

Journal: :Journal of Industrial and Management Optimization 2023

To effectively solve the permutation flow-shop scheduling problem (PFSP), an adaptive dynamic neighborhood crow search algorithm (AdnCSA) is proposed to minimize makespan. Firstly, a modified heuristic based on nawaz-enscore-ham (NEH) was improve quality and diversity of initial population. Secondly, smallest-position-value (SPV) rule used encode population so that it can handle discrete proble...

Journal: :International Journal of Industrial Engineering Computations 2020

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم ریاضی و مهندسی کامپیوتر 1392

heuristics are often used to provide solutions for flow shop scheduling problems.the performance of a heuristic is usually judged by comparing solutions and run times on test cases.this investigation proposes an analytical alternative ,called asymptotic convergence ,which tests the convergence of the heuristic to a lower bound as problem size grows. the test is a stronger variation of worst cas...

Journal: :Complex & Intelligent Systems 2021

Abstract The distributed manufacturing has become a prevail production mode under the economic globalization. In this article, memetic discrete differential evolution (MDDE) algorithm is proposed to address permutation flow shop scheduling problem (DPFSP) with minimization of makespan. An enhanced NEH (Nawaz–Enscore–Ham) method presented produce potential candidate solutions and Taillard’s acce...

Journal: :journal of industrial engineering and management studies 0
f. molavi sadjad university of technology, mashhad, iran. e. rezaee nik sadjad university of technology, mashhad, iran.

resource limitation in zero time may cause to some profitable projects not to be selected in project selection problem, thus simultaneous project portfolio selection and scheduling problem has received significant attention. in this study, budget, investment costs and earnings are considered to be stochastic. the objectives are maximizing net present values of selected projects and minimizing v...

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