Modelling and Controlling of Brushless DC Motor by Using PWM Method
Abstract
Bu çalısmada; fırçasız dogru akım (DA) motorunun darbe genisligi modülasyonu (PWM) yöntemiyle hız ayarı simülasyon ve uygulama olarak gerçeklestirilmistir. Sistemin temelinde, motora uygulanan gerilimin kontrollü bir sekilde anahtarlanması yatmaktadır. Bu nedenle, PWM yönteminin fırçasız DA motorunun üzerindeki etkisi, simülasyon ve uygulama yapılarak gözlenmistir. Ayrıca simülasyonda; oransal integral ve türev (PID) tipi bir kontrolör ile hız kontrolü yapılarak akım, gerilim, moment ve hız degisimi incelenmistir. Uygulamada ise; kontrolör olarak bir kisisel bilgisayar (Personal Computer-PC) ve PC' nin paralel portuna baglı bir sürücü tasarlanmıstır. PWM yöntemiyle fırçasız DA motorunun kontrolü ve hız ayarının oldukça ekonomik ve etkin oldugu gösterilmistir. PWM yönteminde yüksek frekanslı osilasyonlar gözlenmesi tek dezavantaj olarak gözlenmistir. Bu dezavantajın yüksek frekans filtreleriyle giderilebilecegi düsünülmektedir. Anahtar Kelimeler: Fırçasız DA motor, PWM, PID
In this study, the speed adjustment of brushless DC motor has been realized both application and simulation by PWM method. The system is based upon the switching of the voltage made on the motor in a controlling way. That?s why the effect of the PWM method on brushless DC motor has been observed by through application and simulation. Besides, the speed control has been realized with a PID type controller during simulation and current, voltage, torque and the speed values have been checked by this method. A PC as a controller and driver connected with the paralel port of PC have been designed for the application. The application and simulation studies have shown that it?s quite economical and effective to control the brushless DC motor and to make its speed adjustment by this method. The fact that high frequency oscilations have been observed is the only drawback of this method. But, it is though that this can be prevented by means of high frequency filter methods. Key Words: Bruhless DC Motor, PWM, PID
In this study, the speed adjustment of brushless DC motor has been realized both application and simulation by PWM method. The system is based upon the switching of the voltage made on the motor in a controlling way. That?s why the effect of the PWM method on brushless DC motor has been observed by through application and simulation. Besides, the speed control has been realized with a PID type controller during simulation and current, voltage, torque and the speed values have been checked by this method. A PC as a controller and driver connected with the paralel port of PC have been designed for the application. The application and simulation studies have shown that it?s quite economical and effective to control the brushless DC motor and to make its speed adjustment by this method. The fact that high frequency oscilations have been observed is the only drawback of this method. But, it is though that this can be prevented by means of high frequency filter methods. Key Words: Bruhless DC Motor, PWM, PID
Description
Keywords
Elektrik ve Elektronik Mühendisliği, PID, Electrical and Electronics Engineering, pid
Turkish CoHE Thesis Center URL
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Scopus Q
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