Company Filing History:
Years Active: 2007
Title: Innovations of Mengesha Mamo Wogari
Introduction
Mengesha Mamo Wogari is a notable inventor based in Fukuoka, Japan. He has made significant contributions to the field of electric motor technology, holding 2 patents that showcase his innovative approach to motor control and sensing methods.
Latest Patents
Wogari's latest patents include an "Electric motor pole position sensing method, pole position sensing apparatus, and electric motor control apparatus using the same." This invention aims to provide a method for easily and reliably detecting a magnetic pole position by utilizing high-frequency currents, such as harmonics of an inverter output and carrier frequency components. The invention simplifies the detection process by eliminating the need for a special current detecting circuit, allowing for easy synchronization between current detection timing and position calculation.
Another significant patent is the "Motor magnetic pole position estimation device and control device." This invention focuses on estimating the magnetic pole position of a motor while allowing for the adjustment of high-frequency current amplitudes. The controlling apparatus is designed to drive a motor using a voltage source PWM inverter, effectively controlling torque, speed, and position.
Career Highlights
Mengesha Mamo Wogari is associated with Kabushiki Kaisha Yaskawa Denki, a company renowned for its advancements in automation and control technology. His work at Yaskawa Denki has positioned him as a key player in the development of innovative motor control solutions.
Collaborations
Wogari has collaborated with notable colleagues, including Kozo Ide and Mitujiro Sawamura, contributing to the advancement of electric motor technologies through teamwork and shared expertise.
Conclusion
Mengesha Mamo Wogari's contributions to electric motor technology through his patents reflect his innovative spirit and dedication to advancing the field. His work continues to influence the development of efficient motor control systems.