Hikaru Umino

Title: Hikaru Umino: Innovator in AC Motor Control Technology

Introduction

Hikaru Umino is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of motor control technology, particularly in the development of advanced AC motor control devices. With a total of 2 patents to his name, Umino's work is recognized for its innovative approach to enhancing motor efficiency and performance.

Latest Patents

Umino's latest patents include an AC motor control device and a drive system equipped with the same. The AC motor control device is designed to control an inverter that supplies alternating current to a three-phase permanent magnet synchronous motor. This device features pulse width modulation signal generation means, current derivative detection means, rotor position computation means, rotor position correction means, and drive control means. These components work together to ensure precise control of the motor's rotor position.

Another notable patent is a motor control device that drives a two-phase synchronous motor. This device generates a control current waveform by superposing a fundamental sinusoidal wave with a reluctance torque correction waveform. This innovation aims to suppress fluctuations in the reluctance torque of the motor, thereby improving its overall performance.

Career Highlights

Hikaru Umino is currently associated with Oriental Motor Co., Inc., where he continues to develop cutting-edge technologies in motor control. His expertise in this field has positioned him as a key figure in advancing motor efficiency and reliability.

Collaborations

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Conclusion

Hikaru Umino's contributions to AC motor control technology exemplify his innovative spirit and dedication to enhancing motor performance. His patents reflect a deep understanding of motor dynamics and control systems, making him a valuable asset in the field of engineering.