Nicholas Swezey

Title: Innovations of Nicholas Swezey in Brushless DC Motor Control

Introduction

Nicholas Swezey is an accomplished inventor based in Bartlesville, OK (US). He has made significant contributions to the field of motor control technology, particularly in the development of methods for controlling brushless DC motors. His innovative approach has implications for various applications, including data storage devices.

Latest Patents

Nicholas Swezey holds a patent for a method and apparatus for controlling a brushless DC motor, specifically designed for use in data storage devices. The patent, titled "Closed-loop rotational control of a brushless dc motor," describes a sequence of drive pulses applied to rotate the motor. The method involves switching the sequence from first to second motor commutation states based on changes in elapsed time between successive pulses. Each drive pulse is carefully timed in relation to the motor's inductance and is separated by a predetermined intermediate delay. The innovation accelerates the motor from rest to an intermediate velocity, utilizing back electromotive force (BEMF) commutation to reach a final operational velocity.

Career Highlights

Nicholas Swezey is currently employed at Seagate Technology Incorporated, where he continues to advance his work in motor control technologies. His expertise in this area has positioned him as a valuable asset to his team and the company.

Collaborations

Throughout his career, Nicholas has collaborated with notable colleagues, including Jeffrey A Heydt and James W DuLaney, Jr. These partnerships have fostered a collaborative environment that enhances innovation and problem-solving in their projects.

Conclusion

Nicholas Swezey's contributions to brushless DC motor control exemplify the impact of innovative thinking in technology. His patent reflects a significant advancement in the field, showcasing his dedication to improving motor control systems.