Abstract
This paper is in view of the current algorithm to solve Multiple-Devices-Process integrated scheduling problems without considering parallel process between the parallel processing. Meanwhile, the influence of the first processing procedure on the second processing procedure is ignored, resulting in poor tightness between serial processes and poor parallelism between parallel processes, ultimately affecting the product scheduling results. We proposed Multiple-Devices-Process integrated scheduling algorithm with time-selective for process sequence. The proposed Multiple-Devices-Process sequencing strategy determines the process of scheduling order and improves the tightness between serial process. This paper presents a method to determine the quasischeduling time point of the multiequipment process, the time-selective strategy of Multiple-Devices-Process, and the time-selective adjustment strategy of Multiple-Devices-Process so that the first and the second processing processes cooperate with each other, and the purpose of improving the tightness of the serial process and the parallelism of the parallel processes is achieved, so as to shorten the product processing time.
Highlights
Scheduling, as a key factor affecting the production efficiency of enterprises, has always been a hot issue studied by scholars
There are two main research directions in this field, namely, single processing scheduling and integrated scheduling. Typical representatives of the former scheduling are job-shop and flow-shop scheduling [2]. is type of processing and assembly is common in mass production. e reason is the large quantity of the ordered products. e centralized production of disassembling them into work pieces will generate a large amount of inventory, and the inventory will be assembled
Personalized product orders are often single small batch orders, which only produce a small amount of inventory or even zero inventories in the production process
Summary
Scheduling, as a key factor affecting the production efficiency of enterprises, has always been a hot issue studied by scholars. There are two main research directions in this field, namely, single processing (assembly) scheduling and integrated scheduling. E most advanced research achievements in this field include the integrated scheduling algorithm for multiple-devices-process. In order to solve the above problems, a Multiple-Devices-Process Integrated Scheduling Algorithm with Selecting Time for Process Sequence is proposed (MDOISAWSTFPS). Is paper presents a method to determine the quasischeduling time point of the Multiple-DevicesProcess, the time-selective strategy of Multiple-DevicesProcess, and the time-selective adjustment strategy of Multiple- Devices-Process so that the first and the second processing processes cooperate with each other, and the purpose of improving the tightness of the serial process and the parallelism of the parallel processes is achieved, so as to shorten the product processing time. (6) e difference between the end time of the latest processing step and the beginning time of the earliest processing step is the total processing time of the product
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