Yoshihiro Itatsu

Title: The Innovative Contributions of Yoshihiro Itatsu in Electric Power Steering Technology

Introduction: Yoshihiro Itatsu, a prominent inventor based in Okazaki, Japan, has made significant strides in the automotive technology sector. His expertise is underscored by three registered patents, showcasing his commitment to advancing electric power steering systems.

Latest Patents: One of Itatsu's notable inventions is an electric power steering system which features a complex assist command value calculation circuit. This circuit comprises a torque shift control circuit, a phase lag compensation control circuit, a basic assist control circuit, and a phase lead compensation control circuit. A key aspect of this system includes a determination circuit that identifies whether the motor has experienced continuous high load conditions. By comparing a current command value with a current limit value, the determination circuit can output a phase compensation restriction flag to enhance performance.

Another of his latest inventions is focused on a motor control unit and vehicle steering system. This innovation employs a motor driven by the γ-axis current in an imaginary rotating coordinate system. A command current value preparation unit sets the γ-axis command current value based on the command steering torque and the detected steering torque. The system utilizes a command current increase/decrease amount calculation unit, which effectively adjusts the command current based on the steering torque deviation.

Career Highlights: Yoshihiro Itatsu plays a vital role at Jtekt Corporation, a respected firm noted for its contributions to automotive components. His work has significantly influenced the company's direction in developing safer and more efficient steering technologies. The success of his patents reflects his dedication to improving vehicle dynamics and driver experience.

Collaborations: Throughout his career, Itatsu has collaborated with notable colleagues, including Yuji Kariatsumari and Yoshinobu Shimizu. Together, they have worked on various projects aimed at enhancing electric power steering mechanisms, illustrating the importance of teamwork in the innovative process.

Conclusion: Yoshihiro Itatsu's contributions to electric power steering technology highlight his importance as an inventor. With three patents to his name, his work continues to inspire advancements in the automotive industry, demonstrating the impact of innovative thinking on everyday technology.