In view of the realistic scenes in the flexible shop scheduling problem, the models are abstracted from different machining processes and machine tool failures. For this NP-hard problem, consider a variety of flexible scheduling heuristics, compare their global search and local search performance and discuss the adaptability of different scenarios. Scenario 1 uses a tabu search algorithm and defines the scope of each decision based on analysis and practice.;Scenario 2 analyzes the problems of CNC tool change, loading and unloading matching, process information preservation, etc. The algorithm selection is based on the comparative discussion of model one, and innovatively applies the tabu search algorithm idea to the recombination and mutation part of the genetic algorithm. The model can better encode the process information while ensuring strong local search ability, and adjust the search range of the model to solve the planning time convergence problem, and adjust the order to solve the "circular decision" problem in the model; Scenario 3 adds CNC random fault simulation, re-plans the decision model call time, and redesigns the process save decision of model two. In the model promotion, the algorithm of multi-RGV scheduling problem is discussed, and the applicability and efficiency of the model are clarified.
Published in | Science Discovery (Volume 6, Issue 6) |
DOI | 10.11648/j.sd.20180606.33 |
Page(s) | 521-528 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2018. Published by Science Publishing Group |
Flexible Shop Scheduling, Tabu Search Algorithm, Genetic Algorithm
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APA Style
Xuanzheng Wang, Haoyang Luo, Juntang Zhang. (2018). Flexible Workshop Scheduling Decision Based on Heuristic Algorithm. Science Discovery, 6(6), 521-528. https://doi.org/10.11648/j.sd.20180606.33
ACS Style
Xuanzheng Wang; Haoyang Luo; Juntang Zhang. Flexible Workshop Scheduling Decision Based on Heuristic Algorithm. Sci. Discov. 2018, 6(6), 521-528. doi: 10.11648/j.sd.20180606.33
@article{10.11648/j.sd.20180606.33, author = {Xuanzheng Wang and Haoyang Luo and Juntang Zhang}, title = {Flexible Workshop Scheduling Decision Based on Heuristic Algorithm}, journal = {Science Discovery}, volume = {6}, number = {6}, pages = {521-528}, doi = {10.11648/j.sd.20180606.33}, url = {https://doi.org/10.11648/j.sd.20180606.33}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20180606.33}, abstract = {In view of the realistic scenes in the flexible shop scheduling problem, the models are abstracted from different machining processes and machine tool failures. For this NP-hard problem, consider a variety of flexible scheduling heuristics, compare their global search and local search performance and discuss the adaptability of different scenarios. Scenario 1 uses a tabu search algorithm and defines the scope of each decision based on analysis and practice.;Scenario 2 analyzes the problems of CNC tool change, loading and unloading matching, process information preservation, etc. The algorithm selection is based on the comparative discussion of model one, and innovatively applies the tabu search algorithm idea to the recombination and mutation part of the genetic algorithm. The model can better encode the process information while ensuring strong local search ability, and adjust the search range of the model to solve the planning time convergence problem, and adjust the order to solve the "circular decision" problem in the model; Scenario 3 adds CNC random fault simulation, re-plans the decision model call time, and redesigns the process save decision of model two. In the model promotion, the algorithm of multi-RGV scheduling problem is discussed, and the applicability and efficiency of the model are clarified.}, year = {2018} }
TY - JOUR T1 - Flexible Workshop Scheduling Decision Based on Heuristic Algorithm AU - Xuanzheng Wang AU - Haoyang Luo AU - Juntang Zhang Y1 - 2018/12/12 PY - 2018 N1 - https://doi.org/10.11648/j.sd.20180606.33 DO - 10.11648/j.sd.20180606.33 T2 - Science Discovery JF - Science Discovery JO - Science Discovery SP - 521 EP - 528 PB - Science Publishing Group SN - 2331-0650 UR - https://doi.org/10.11648/j.sd.20180606.33 AB - In view of the realistic scenes in the flexible shop scheduling problem, the models are abstracted from different machining processes and machine tool failures. For this NP-hard problem, consider a variety of flexible scheduling heuristics, compare their global search and local search performance and discuss the adaptability of different scenarios. Scenario 1 uses a tabu search algorithm and defines the scope of each decision based on analysis and practice.;Scenario 2 analyzes the problems of CNC tool change, loading and unloading matching, process information preservation, etc. The algorithm selection is based on the comparative discussion of model one, and innovatively applies the tabu search algorithm idea to the recombination and mutation part of the genetic algorithm. The model can better encode the process information while ensuring strong local search ability, and adjust the search range of the model to solve the planning time convergence problem, and adjust the order to solve the "circular decision" problem in the model; Scenario 3 adds CNC random fault simulation, re-plans the decision model call time, and redesigns the process save decision of model two. In the model promotion, the algorithm of multi-RGV scheduling problem is discussed, and the applicability and efficiency of the model are clarified. VL - 6 IS - 6 ER -