Embedded TCP/IP-Based DC Motor Controlled via Local Area Network

Ngo, Chee Guan (2009) Embedded TCP/IP-Based DC Motor Controlled via Local Area Network. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The project title is embedded TCP/IP-based DC motor controlled via local area network. The objective is to design and develops a proportional integral (PI) speed controlled DC motor via TCP/IP network by using rabbit microprocessor and its core module model RCM 3200 and RCM 2100. User Datagram Protocol (UDP) is implemented in this project to link between master controller and slave controller through network. User stay in a location will control the direction and speed of the DC motor at remote site by adjusting the user control system. The user control system is attach to the master controller which PI algorithm is apply to provide a feedback control through networking. The PI algorithm will compare the reference speed from user control system and feedback speed from slave controller and calculate the require duty cycle of PWM signal needed to supply to DC motor driver. The calculated value will be sent to slave controller as datagram by using UDP. After the slave controller gets the value, it will generate appropriate PWM signal for DC motor driver to drive the DC motor at desired speed. Beside that, the slave controller will read the feedback speed from speed sensor and pass the feedback speed to master controller for further processing. The aim of this project is to design a working laboratory scale prototype that can remotely control a DC motor via local area network by using embedded TCP/IP controller. To implement this project, rabbit core module 3200 and its prototype board, rabbit core module 2100 and its prototype board, Ethernet switches, L298 dual full bridge driver, DC motor, speed sensor, rectifier and analogue to digital converter is implemented. For software development, Dynamic C is implemented to writing, compiling, debugging, linking and loading the programme to rabbit core module. Finally, hardware and software is integrated for functional test to ensure that the prototype is work as expected.

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