Embedded Access And Service System For Networked Control

With the development of Internet , networked control is becoming a new trend of control system nowdays. In this dissertation, development of a new embedded access and service system for network robots or devices is presented. Via the system remote clents all over the world can access the robots and devices through Internet.The system intergrates two functional components of access and service, which is significant for networked control. Embedded Linux and high performance 32-bits embedded processor (MPC850) are introduced for the development of the system, which connets Internet in one side and local network in the other. Firstly the application and development approach based on the embedded Linux platform is presented, with rearrangement and recompiling for the kernel of Linux discussed. Then the design of serial interface module and Ethernet connection module are given, and the applications of Linux embedded webserver based on the B/S mode analyzed. The realization of man-machine interface module and communication intercrossing multi-platforms based on Java applet are prescribed. In the end the software design of both browser and server is respectively discussed and their realization given in detail.