Modeling and analysis of queuing networks for autonomous vehicle storage and retrieval system with multi-level rack

被引：0
|
作者：
Chen X. [1 ,2 ]
Liu X. [1 ,3 ]
Chen Q. [1 ]
Mao N. [1 ]
Zhang H. [1 ]
机构：
[1] Guangdong Provincial Key Laboratory of Computer Integrated Manufacturing System, Guangdong University of Technology, Guangzhou
[2] School of Computer and Information Engineering, Hanshan Normal University, Chaozhou
[3] China Electronic Product Reliability and Environmental Testing Research Institute, Guangzhou
来源：
Jisuanji Jicheng Zhizao Xitong/Computer Integrated Manufacturing Systems, CIMS | 2024年 / 30卷 / 04期
基金：
中国国家自然科学基金;
关键词：
autonomous vehicle storage and retrieval system; multi-level rack; parallel operation; performance analysis; queuing network model;
D O I：
10.13196/j.cims.2021.0636
中图分类号：
学科分类号：
摘要：
To meet the material transportation needs between multi-floor production workshops and reduce the cost of enterprises, it is becoming more and more important to consider the design of Autonomous Vehicle Storage and Retrieval System (AVS/RS.). The AVS/RS with multi-level rack has good application prospects due to its excellent throughput capacity and flexibility. To analyze the parallel operation performance of AVS/RS with multi-level rack in a multi-floor workshop, a semi-open qucucing network model was constructed based on the analysis of AGV, elevator and telescopic arm operation mode, and an approximate solution algorithm based on the approximate mean value analysis method was designed. The method first divided the internal network of the semi-open qucucing network into different individual network models and reconstructed each into an equivalent closed qucucing network model. These network models were eventually aggregated into a node that jointly constructed a closed qucucing net- work model to solve for the throughput rate with an external synchronous node. Other performance indicators were obtained by analyzing individual nodes of the internal network. The effectiveness and accuracy of the proposed method were verified by designing simulation experiments. © 2024 CIMS. All rights reserved.
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页码：1335 / 1352
页数：17
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