AGENT-BASED GATEWAY OPERATING SYSTEM FOR RFID-ENABLED UBIQUITOUS MANUFACTURING ENTERPRISE-JI FANG, TING QU, ZHI LI, GANGYAN XU, GEORGE Q. HUANGHKUZIRI LAB FOR PHYSICAL INTERNET, DEPARTMENT OF INDUSTRIAL AND MANUFACTURING SYSTEMS ENGINEERING, THE UNIVERSITY OF HONG KONG, CHINA.

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Outline

Introduction Gateway Operating System Gateway device library and smart

agent manager Gateway application manager Application information service Discussion and conclusion

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Introduction

RFID(Radio Frequency Identification) RFID middleware Problems to solve

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RFID(Radio Frequency Identification)

Consists of reader and tag wireless non-contact use of radio-

frequency electromagnetic fields to transfer data, for the purposes of identifying and tracking tags attached to objects

Used in many industries, such as transportation, health care, education

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RFID middleware

It coordinates RFID readers, process the vast amount of captured data.

It handles the communication between readers and application software.

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Problems

Most of the current existing RFID middleware are sophisticated and expensive

> Simplify in structure and reduce in scale to suit manufacturing scenarios It needs to be more agile and

responsive to the modern changing market

> Design it to be flexible, modularized, rather than full-featured and sophisticated

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Outline

Introduction Gateway Operating System Gateway device library and smart

agent manager Gateway application manager Application information service Discussion and conclusion

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GOS

An Affordable middleware solution

Address basic RFID functions

Overcome challenges in manufacturing scenario

Easy to deploy

Simple to use

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Concept of GOS9/31

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Architecture of GOS10/31

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Outline

Introduction Gateway Operating System Gateway device library and smart

agent manager Gateway application manager Application information service Discussion and conclusion

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GDL(Gateway device library)

To provide "Plug and Play"

Use uniform software model

Reader object

model

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Smart agent

Make the reader object smart

Be able to act interact based on business requirement

Smart agent model

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GSAM(Gateway smart agent manager )

Make RFID devices smart

Be able to perform based on business logics

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Outline

Introduction Gateway Operating System Gateway device library and smart

agent manager Gateway application manager Application information service Discussion and conclusion

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Gateway Operation manager

manage gateway operation system provide user interface for the

configurations of gateway and connected devices

contains several built-in applications allows user to add other new

application

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Device management tool

provides a set of interfaces to configure the connected RFID/Auto-ID devices

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Device management tool

devices are able to be detected automatically and managed

allows user to check all information about each connected device

provide device diagnosis functions

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Workflow management

implement manufacturing processes and its corresponding data basic component : activities ,

business logic , smart agents setup by load existing workflow

descriptions in XML

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Reader service control

access RFID readers directly at some situations web service mode : implemented and

published for back-end applications, which include tag reading and writing

messaging mode : domain applications interact with smart agents through AIS to exchange information between applications and software agents

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Reader service control21/31

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Outline

Introduction Gateway Operating System Gateway device library and smart

agent manager Gateway application manager Application information service Discussion and conclusion

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Application information service a communication protocol for

applications and agents at gateway operating system

provide a way for applications to utilize the Auto-ID device infrastructure

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Application information service Design principles:

A. simple, lightweight and efficient B. in an open and universal format C. be extensible and easy to maintain

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Application information service meta model of AIS message

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Application information service operation message : sent to smart

agents for requesting actions of Auto-ID devices

subscribe message : to reserve data capturing services of specific devices

maintenance message : a set of trial messages for the purpose of testing the functions and statuses of specific devices

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Application information service

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Outline

Introduction Gateway Operating System Gateway device library and smart

agent manager Gateway application manager Application information service Discussion and conclusion

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Conclusions

GOS retains the basic characteristics and functions of existing RFID middleware system with a much more simpler structure.

It satisfies the particular requirements from manufacturing environment.

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Conclusions

It facilitates an easy-to-deploy and simple-to-use RFID solution without entailing specialist knowledge.

The extensible application manager at GOS provides local applications to enable key features.

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Thanks for your attention.

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