Analizing Induction Motor Variables (Voltage Angular Velocity, And Efficiency) To Compare Between Nelder-Mead Method And Powell’s Method Of Optimization

Adi Adli, Bahtiar Affandi (2012) Analizing Induction Motor Variables (Voltage Angular Velocity, And Efficiency) To Compare Between Nelder-Mead Method And Powell’s Method Of Optimization. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project aims to optimize the efficiency as independent variable with the voltage and speed as the independent variables of induction motor by using optimization process. Induction motors are widely used in domestic, commercial and industrial applications. Even a small percentage of efficiency increase will result in a significant energy conservation and economic impact. Furthermore, I will use two method which are Nelder-Mead Method and Powell‟s Method to get the optimum efficiency. Finally, I compare the methods to obtain which one as the best estimation of the optimum efficiency. As a result, both of Powell‟s and Nelder-Mead‟s method are very different in finding the results. Both of this method use different methodology, algorithm and iteration. The minimum efficiency result of Nelder-Mead method is 0.01193 with the values of voltage 328.8V and angular velocity (ω) 299.6rd/s. Powell„s method efficiency is 0.01213 with the values of voltage 344V and angular velocity (ω), 305.6rd/s which makes it the Nelder-Mead method is better. The outcomes of both these methods are closely and approximately. However the value of voltages and angular velocity are different based on the position on the contour.

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