Jun Oyama

Title: Jun Oyama: Innovator in Synchronous Motor Control Technology

Introduction

Jun Oyama is a notable inventor based in Nagasaki, Japan. He has made significant contributions to the field of motor control technology, particularly in the development of devices that enhance the performance of synchronous motors. With a total of 2 patents to his name, Oyama's work is recognized for its innovative approach to motor control.

Latest Patents

Oyama's latest patents include a "Control device for synchronous motor" and a "Motor magnetic pole position estimation device and control device." The control device for synchronous motors is designed to drive the motor through a voltage-operated PWM inverter, allowing for precise control of torque and speed. This device features a unit that generates a PWM carrier signal with an arbitrary phase difference between two phases, as well as a unit for estimating the position of a magnetic flux or magnetic pole using high-frequency voltage and current.

The motor magnetic pole position estimation device aims to provide an apparatus that adjusts the amplitudes of high-frequency currents. This invention includes a controlling apparatus that drives the motor using a voltage source PWM inverter, controlling torque, speed, and position. It also features means for switching between producing an arbitrary phase difference in PWM carrier signals and causing the phase difference to become zero.

Career Highlights

Jun Oyama is currently employed at Yaskawa Electric Corporation, a leading company in the field of industrial automation and robotics. His work at Yaskawa has allowed him to focus on advancing motor control technologies, contributing to the company's reputation for innovation and excellence in engineering.

Collaborations

Throughout his career, Oyama has collaborated with talented individuals such as Kozo Ide and Mitsujiro Sawamura. These collaborations have fostered an environment of creativity and innovation, leading to the development of cutting-edge technologies in motor control.

Conclusion

Jun Oyama's contributions to synchronous motor control technology exemplify the spirit of innovation in engineering. His patents reflect a deep understanding of motor dynamics and control systems, positioning him as a key figure in the advancement of this field.