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has been cited by the following article:

• TITLE: Sensorless Control of Four-Switch Inverter for Brushless DC Motor Drive and Its Simulation

  AUTHORS: Sathish Kumar Shanmugam, Meenakumari Ramachandran, Krishna Kumar Kanagaraj, Anbarasu Loganathan

  KEYWORDS: Brushless DC Motor, Four-Switch Three Phase Inverter, Proportional Integral Controller, Sensorless Control

  JOURNAL NAME: Circuits and Systems, Vol.7 No.6, May 12, 2016

  ABSTRACT: The major function of this proposed research is to control the speed of the brushless DC motor with sensor less control for four-switch three phase inverter. This proposed system is simplified the topological structure of the conventional six-switch three phase inverter. In this proposed method, a new structure of four-switch three phase inverter[1]with reduced number of switches for system is introduced to reduce the mechanical commutation, switching losses that occur in thesix-switch method. The proposed inverter fed brushless DC motor used in sensorless controlschemes which is used for sensing positioning signals. To improve sensor less control performance, four-switch electronic commutation modes based proportional intergral controllerscheme is implemented. In this four-switch three phase inverter reduction of switches, low cost control and saving of hall sensor were incorporated. The feasibility of the proposed sensor less control four-switch three phase inverter fed brushless DC motor drive is implemented, analysed using MATLAB/SIMULINK, effective simulation results have been validated out successfully.