期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2015
期号：MULTICON
页码：1383
出版社：S&S Publications
摘要：This project presents the groundwork for a novel concept of sensor less direct speed control in BLDCmotor drives. Unlike the conventional senseless speed controls consider the motor back emf and motor current. Thusfeedback mechanism is minimized. Speed regulation is achieved by controlling rotational speed of stator flux linkage.The fuzzy logic control strategy has been implemented for the inverter control. This entire control concept has beenimplemented using SIMULINK model. The proposed control scheme will effectively reduces the torque ripple in abrushless dc motor and provides better control over the motor performance. The PI regulator is replaced with a simplecomparator. The brushless dc motor is excited based on the inverter feedback. This proposal is applicable to both twophaseand three-phase conduction modes of the a brushless dc motor. In this project, principles of the proposed sensorless strategy and speed ripple calculation are described in details. The validity of this claim is verified through thesimulation results.
