Abstract
Multiple local assignment rules are common in production lines with complex production elements to direct the production process. Different local assignment rules have different degrees of impact on each production evaluation index, which aggravates the conflict between each production evaluation index. In order to solve the problem of increasing conflict among multiple production evaluation indexes in complex production scheduling process, based on the mathematical model of flexible flow shop with limited buffer and public buffer (FFSP-PB), game elements such as game player, game strategy and game order are established according to the idea of multiplayer cooperative game, and design the corresponding game strategy selection method to predict and control the game behavior of each player in the problem. Then a conflict resolution method of production evaluation index based on multiplayer cooperative game is proposed to solve the conflict between multiple production evaluation indexes, and then improve each production evaluation index. Finally, according to the actual production data of a bus manufacturing enterprise based on flexible manufacturing mode, several simulation schemes are designed to analyze and verify the effectiveness and practicability of the proposed method in resolving the conflicts between production evaluation indexes, and provides a reliable new solution for the conflict resolution of production evaluation index in the field of flexible manufacturing.
Highlights
With the rapid development and application of cloud technology, artificial intelligence technology and intelligent manufacturing technology, Germany took the lead in proposing ‘‘Industry 4.0’’ national strategy in the ‘‘high tech Strategy 2020’’
In order to get closer to the complex actual manufacturing process, the FFSP-PB mathematical model in previous studies was adopted as the basis for studying the conflict enhancement among multiple production evaluation indexes and the application object of conflict resolution method of production evaluation indexes based on multiplayer cooperative game, The model parameters, constraints and production evaluation indexes have some changes compared with my previous studies [16]–[18]
A conflict resolution method of production evaluation index based on multiplayer cooperative game is proposed to resolve the conflict between multiple production evaluation indexes, so that each production evaluation index can be improved, and provides a novel and efficient solution for the conflict resolution of production evaluation index in the field of flexible manufacturing
Summary
With the rapid development and application of cloud technology, artificial intelligence technology and intelligent manufacturing technology, Germany took the lead in proposing ‘‘Industry 4.0’’ national strategy in the ‘‘high tech Strategy 2020’’. In order to get closer to the complex actual manufacturing process, the FFSP-PB mathematical model in previous studies was adopted as the basis for studying the conflict enhancement among multiple production evaluation indexes and the application object of conflict resolution method of production evaluation indexes based on multiplayer cooperative game, The model parameters, constraints and production evaluation indexes have some changes compared with my previous studies [16]–[18]. Formula (16) indicates the constraint that at any time, the sum of workpieces contained in the to-be-processed collection WApj is less than or equal to the maximum buffer capacity Kp of the public buffer. { Time simplification constraint: Irrespective of the transit time of the workpiece between the limited buffer and workstation, only the processing time of the workpiece at each stage and the transit time of the workpiece on the electric flat carriage are considered
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