Design of Ultra-Quiet BLDC Motors for Home Appliances and Medical Equipment

Résumé fourni par la source

This paper proposes an enhanced Brushless Direct Current (BLDC) motor architecture and control method to address torque ripple and vibration issues commonly found in conventional designs. The motor features a triple-layer stator with angularly offset auxiliary coils, energized using time-shifted excitation to achieve smoother current transitions. An FPGA-based controller implements real-time switching optimization to further enhance performance. Finite element simulations indicate a torque ripple reduction of up to 74% and a 20% decrease in current consumption. The design meets ISO 20816 vibration standards and demonstrates potential for applications in electric vehicles, unmanned aerial systems, and precision machinery.

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