Web-based Distributed Flexible Manufacturing System (FMS) Monitoring and Control Student: Wei Liu Instructor: Dr. Chang Apr. 23, 2003.
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Web-based Distributed Flexible Manufacturing System (FMS) Monitoring and Control Student: Wei Liu Instructor: Dr. Chang Apr. 23, 2003
Agenda Introduction Research Objective Approach Conclusions
Introduction A flexible manufacturing system (FMS) is one manufacturing machine or multiple machines which are integrated by an automated material handling system, whose operation is managed by a computerized control system. Next-generation FMS should be agile and flexible. Advancements in Internet technology have made possible new and innovative methods for the remote connectivity and control of FMSs.
Research Objective Develop an Internet-based monitoring and control system for flexible manufacturing systems (FMS) that aims to address the issues such as open architecture design and integration, socket connection and three-level heterogeneous client/server communication and control.
Client/Server Model and Heterogeneity Fusion Object-Oriented Method and Component Model Distributed Dynamic Integration and Function Reorganization Technologies and Methodologies for the Design of Open Architecture Systems
Internet Connectivity & Communication Interface
Connectivity Scheme Connectivity Scheme for the FMS and the Web Server Communication Control: Serial communication (RS232C) Connectivity Scheme for the Web Server and the client: (TCP)-based socket layer connection
Configuration of the Prototype System 1. The Central CIM Computer Application Modules: RS232 communication, FMS monitoring & control Development Platform: Borland C++, ACL System Platform: DOS, ACL shell 2. The Web Server Application Modules: RS232 communication (server side module), Security management (server side module), Security control (client & server sides modules), Socket control (client & server sides modules) Development Platform: Visual C++, Visual Basic, Cosmo Code Java Platform System Platform: Windows NT, Internet Information Server
Conclusions The open architecture design makes it easier for application systems to be extended and scaled. The client/server model with heterogeneity fusion is an effect approach by which designers can focus on the picture of the entire system frame and not just the individual components. The three-level heterogeneous framework, with the function control interface and the Internet connectivity and communication interface, considerably improves the implementation performance of the system on several major aspects: security, speed, efficiency, and reliability.