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International Journal of Engineering، جلد ۳۰، شماره ۴، صفحات ۵۰۰-۵۰۶
عنوان فارسی
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عنوان انگلیسی Design and Construction of a Sensorless Circuit for Brushless DC Motor using Third Harmonic back Electromotive Force
چکیده انگلیسی مقاله In this paper the method of sensorless startup of direct current brushless motor using third harmonic back Electromotive Force (EMF) and motor startup using microcontroller for pulse width modulation, power switch control and motor output analysis is presented which renders RPM control and high speed achievement for motor. The microcontroller is used for processor and MOSFETs are used for power circuit. Besides, the motor does not have any sensors to detect rotor position. Furthermore, the microcontroller modulates pulse width, controls power circuit and analyses motor output. The innovation in this research is that the third harmonic function is used for motor control and is compared with the Back-EMF force to recognize zero crossing. Moreover, N-type MOSFETs are used in power circuit high side and low side which are useful in the current rate of MOSFETs due to their similarities. Also, the IR2101 MOSFET drive is utilized for startup which improves the firing time of MOSFETs. Besides, using tantalum capacitors and putting resistor by the gate route of MOSFETs is efficient. Finally, experimental results are given to verify the validation of the proposed method.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله Sam Ghasemi |
Electrical Engineering, Shahid Beheshti University G.C.

Alireza Siadatan |
Electerical Engineering, Shahid Beheshti University G.C.

Shoorangiz Shams Shamsabad Farahani |
Electrical Engineering, Islamic Azad University

نشانی اینترنتی http://www.ije.ir/article_72913_68acdb697a96cc743c7372401338a618.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/409/article-409-2062112.pdf
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زبان مقاله منتشر شده en
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