Location History:
- Fukuoka, JP (2008)
- Fukuoaka, JP (2009)
- Kitakyushu, JP (2008 - 2014)
- Kitakyushu, KR (2016)
Company Filing History:
Years Active: 2008-2016
Title: Jun Hagihara: Innovator in Motor Control Technology
Introduction
Jun Hagihara is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of motor control technology, holding a total of 5 patents. His work focuses on enhancing the efficiency and precision of motor control systems.
Latest Patents
Hagihara's latest patents include innovative designs for motor control apparatuses and methods. One of his notable inventions is a motor control apparatus that features a state quantity detector, which outputs a detection signal corresponding to the state quantity of a motor. This apparatus also includes a vibration detection unit that identifies disturbance vibrations based on a torque instruction and the detection signal. The speed signal generator then creates a speed signal by subtracting the vibration component signal from the detection signal. Finally, a speed controller generates the torque instruction based on the deviation between a speed instruction and the speed signal.
Another significant patent is a motor control apparatus that consists of a power converter, a speed controller, and a stop position controller. The power converter drives the motor based on a torque command, while the speed controller generates this command based on the error between the motor's speed and its speed command. The stop position controller calculates an acceleration command to output a predetermined torque after detecting a reference position, enabling precise position control of the motor.
Career Highlights
Jun Hagihara is associated with Kabushiki Kaisha Yaskawa Denki, a leading company in the field of electrical equipment and automation. His work at Yaskawa Denki has allowed him to develop cutting-edge technologies that enhance motor control systems.
Collaborations
Hagihara has collaborated with notable coworkers, including Seitaro Ohta and Takeshi Arimatsu. Their combined expertise has contributed to the advancement of motor control technologies.
Conclusion
Jun Hagihara's innovative work in motor control technology has led to significant advancements in the field. His patents reflect a commitment to improving the efficiency and precision of motor systems. His contributions continue to influence the industry and inspire future innovations.