Jang-Ho Shim

Title: Jang-Ho Shim: Innovator in Motor Control Technology

Introduction

Jang-Ho Shim is a notable inventor based in Seoul, South Korea. He has made significant contributions to the field of motor control technology, holding a total of 3 patents. His work focuses on improving the efficiency and simplicity of motor starting mechanisms.

Latest Patents

One of Jang-Ho Shim's latest patents is a starting control apparatus and method for motors. This invention facilitates the entry of a synchronous speed of a rotor by increasing the starting torque. It achieves this by adjusting the magnetization application time based on whether a starting capacitor is used. The invention includes a control unit that outputs a control signal for managing the application time of the magnetizing current. Additionally, it features a switch that supplies power to an exciting coil according to the control signal from the control unit.

Another significant patent by Shim is also a starting control apparatus and method for motors. This invention simplifies the control of motor excitation by utilizing a controller from an electronic refrigerator, eliminating the need for an extra excitation control circuit. The design includes a main coil, an auxiliary coil, and an exciting coil that generates an excitation current. A refrigerator control unit outputs a control signal to manage the application time of the excitation current during startup, with a switch unit that supplies power to the exciting coil based on this control signal.

Career Highlights

Jang-Ho Shim is currently employed at LG Electronics Inc., where he continues to innovate in the field of motor control technology. His work has contributed to advancements in the efficiency and functionality of various electronic devices.

Collaborations

Throughout his career, Jang-Ho Shim has collaborated with notable colleagues, including Jae-Hak Choi and Sung-Ho Lee. These collaborations have further enhanced the development of innovative technologies in their field.

Conclusion

Jang-Ho Shim is a prominent inventor whose work in motor control technology has led to significant advancements. His patents reflect a commitment to improving efficiency and simplifying complex systems. His contributions continue to impact the industry positively.