Cheng-Min Chang

Title: Innovations of Cheng-Min Chang: Pioneering Motor Drive Technologies

Introduction

Cheng-Min Chang, an accomplished inventor based in Keelung, Taiwan, has made significant contributions to the field of electrical engineering with a focus on motor drive technologies. Holding four patents, Chang's innovative solutions address crucial challenges in voltage measurement and motor driving methods, paving the way for enhanced efficiency in various applications.

Latest Patents

Among Cheng-Min Chang's latest patents are two noteworthy inventions:

1. **Voltage measurement device for pulse-width modulation signals** – This device features a conversion circuit and a processing circuit that work together to accurately measure line-to-line voltage signals from PWM signals in motor drive applications. It transforms the input signals into absolute value and polarity signals, subsequently reconstructing the voltage signal for accurate measurement.

2. **Motor drive and method for reducing dead band of motor drive** – This patent involves a sophisticated motor drive system that includes a control circuit and transistors optimized for performance. The system minimizes dead band occurrences by intelligently managing control signals, thus enhancing the responsiveness and efficiency of the motor drive.

Career Highlights

Cheng-Min Chang is affiliated with the Industrial Technology Research Institute, a prominent research institution that focuses on advancing technology for industrial applications. His work within this esteemed organization exemplifies a commitment to innovation that benefits various sectors, particularly those relying on precise motor control technologies.

Collaborations

Throughout his career, Cheng-Min has collaborated with talented colleagues such as Chia-Min Ting and Chun-Chieh Chang. These partnerships highlight the spirit of teamwork and knowledge-sharing that is essential in the realm of technological advancements and the successful development of innovative solutions.

Conclusion

Cheng-Min Chang's inventive prowess and dedication to advancing motor drive technologies underscore his significance as an inventor in today's fast-evolving technological landscape. As he continues to contribute to innovations in this field, his work will undoubtedly influence future developments in motor control and efficiency, further enhancing the potential of electrical engineering solutions.