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VGU RESEARCH REPOSITORY


Please use this identifier to cite or link to this item: https://epub.vgu.edu.vn/handle/dlibvgu/810
Title: Optimizing schedules for machines and mobile robots in FMS by a hybrid approach
Authors: Nguyen Thanh Cong
Keywords: FMS;Optimizing schedule;Machines and mobile robots
Issue Date: 2016
Publisher: Vietnamese-German University
Abstract: 
This thesis addresses the problem of optimizing schedules for machines and mobile robots in FMS. The scheduling of different tasks on machines and the robot assignments are crucial to the utilization of FMS. This problem holds some similarities to the problem of simultaneous scheduling of machines and AGVs whose subproblems, namely machine scheduling and AGVs scheduling, are NP-hard. The main difference, which makes the problem more computationally expensive, is that the mobile robots are in charge of transportations of parts as well as performing several tasks on certain machines. The objective is to minimize the time required to complete all tasks by determining the sequence of processing on each machine, the robot assignment of transportation and processing for each task. Moreover, because the scheduling of machines and mobile robots is a part of real time operations, the best solution to the problem must be obtained quickly. It is also worth noticing that the complexity of the problem rapidly increases as the problem size grows.
URI(1): http://epub.vgu.edu.vn/handle/dlibvgu/810
Rights: Attribution-NonCommercial 4.0 International
Appears in Collections:Global Production Engineering & Management (GPEM)

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