Integration of mobile vehicles for automated material handling using Profibus and IEEE 802.11 networks

被引：53

作者：

Lee, S ^{[1
]}

Lee, KC

Lee, MH

Harashima, F

机构：

[1] Pusan Natl Univ, Sch Mech Engn, Pusan 609735, South Korea

[2] Tokyo Denki Univ, Dept Elect Engn, Tokyo 1018457, Japan

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2002年 / 49卷 / 03期

关键词：

fieldbus; IEEE; 802.11; industrial network; performance evaluation; Profibus; protocol converter; wired network; wireless LAN; wireless network;

D O I：

10.1109/TIE.2002.1005397

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper focuses on a method to integrate mobile devices such as a mobile robot, automated guided vehicle, and unmanned container transporter to form an automated material handling system. In this paper, the stationary devices are connected via a Profibus network while the mobile devices are communicating via an IEEE 802.11 wireless LAN. In order to integrate these two networks, a protocol converter is developed on a PC platform that runs two interacting processes with shared internal buffers. The protocol converter performs a role of translator between two different protocols by converting the format of a data frame. In addition to this basic conversion function, the protocol converter has a virtual polling algorithm to reduce the uncertainty involved in accessing the wireless network. Finally, the integrated network of Profibus and IEEE 802.11 is experimentally evaluated for its data latency and throughput, which shows the feasibility of the Profibus-IEEE 802.11 network for industrial applications involving mobile devices.

引用

页码：693 / 701

页数：9

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