Company Filing History:
Years Active: 2013-2014
Title: Haó-Yu Chang: Innovator in Brushless DC Motor Technology
Introduction
Haó-Yu Chang is a prominent inventor based in Taipei, Taiwan. He has made significant contributions to the field of brushless direct current (BLDC) motor technology. With a total of 2 patents to his name, Chang's work focuses on optimizing motor performance and efficiency.
Latest Patents
Chang's latest patents include a method and apparatus for dynamically adjusting a dead time of a brushless direct current motor during a phase change. This innovative method detects the winding current of the BLDC motor during the dead time and terminates it when the winding current is close to zero. This optimization allows for switching the BLDC motor between two phases at a zero-current point, enhancing the maximum rotation speed of the motor. Another notable patent is a zero-crossing detection circuit and commutation device designed for three-phase brushless DC motors. This circuit effectively manages the terminal voltages of the motor's coils, improving overall performance.
Career Highlights
Haó-Yu Chang is currently employed at Richtek Technology Corporation, where he continues to develop cutting-edge technologies in motor control. His expertise in this area has positioned him as a key figure in the advancement of BLDC motor applications.
Collaborations
Chang has collaborated with notable colleagues, including Pei-Cheng Huang and Wei-Hsu Chang. Their combined efforts contribute to the innovative projects at Richtek Technology Corporation.
Conclusion
Haó-Yu Chang's contributions to brushless DC motor technology exemplify his commitment to innovation and excellence. His patents reflect a deep understanding of motor dynamics and a drive to enhance performance in practical applications.
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