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Neural network controller design for position control system improvement

Abdullah, Mohamad Syah Rizal (2013) Neural network controller design for position control system improvement. Masters thesis, Universiti Tun Hussein Onn Malaysia.

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This project focused on development of precise position control with a DC motor as an actuator using neural network controller. Neural network controller develop is proposed to overcome the problem of conventional controller weaknesses. Neural network controller is implemented using backpropagation training algorithm. Neural network has ability to map unknown relationship input/output system and also nonlinear system. To have knowledge about the system, the neural network is trained using existing controller on the position control system, in this case PID controller. On the training process, neural network controller and PID controller are having same inputs, which are errors. After that, the outputs are compared and the delta of them will used to adjust the network weight until the delta value in the acceptance level. Then, neural network controller is set convergence. At this time, neural network controller ready use to replace PID controller to control the system. To interface between computer where neural network controller is embedded with the DC motor as a position controller system actuator are done using RAPCON platform. Based on the experimental results, show that neural network controller has better performance with the rise time (Tr) is 0.02s, the peak time (Tp) is 0.05s, settling time (Ts) is 0.05s, and percentage overshoot (%OS) is 2.0%.

Item Type: Thesis (Masters)
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ212-225 Control engineering systems. Automatic machinery (General)
Depositing User: Normajihan Abd. Rahman
Date Deposited: 08 Jan 2014 02:58
Last Modified: 08 Jan 2014 02:58
URI: http://eprints.uthm.edu.my/id/eprint/4705
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