Kohei Oba

Title: Innovations of Kohei Oba in Motor Control Technology

Introduction

Kohei Oba is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of motor control technology, particularly in the development of devices that enhance the performance of electric power steering systems. His innovative approach has led to the creation of a patent that addresses critical aspects of motor control.

Latest Patents

Kohei Oba holds a patent for a "Motor control device and electric power steering device provided with same." This invention features a field-weakening controller that determines a d-axis current command correction value based on the voltage of a DC power supply and the voltage amplitude of a voltage command. The device includes a d-axis current final value calculator that outputs a final value calculated using both the d-axis current command value and the correction value. Additionally, the field-weakening controller incorporates a voltage amplitude command limiter that restricts the voltage amplitude command to a limit value when certain motor state conditions are met.

Career Highlights

Oba is currently employed at Denso Corporation, a leading global supplier of advanced automotive technology. His work at Denso has allowed him to apply his innovative ideas in a practical setting, contributing to the advancement of automotive technologies.

Collaborations

Throughout his career, Kohei Oba has collaborated with talented colleagues, including Yosuke Matsuki and Ryo Kano. These collaborations have fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies in the automotive sector.

Conclusion

Kohei Oba's contributions to motor control technology exemplify the impact of innovation in the automotive industry. His patent and work at Denso Corporation highlight the importance of advancements in electric power steering systems.