This inventor holds 4 USPTO granted patents and 2 published patent applications. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 2023-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2023-2026
Title: Le Chang - Innovator in Electric Motor Technology
Introduction
Le Chang is an accomplished inventor based in Shelby Township, MI, known for her significant contributions to electric motor technology. With a total of two patents to her name, she has made strides in enhancing propulsion systems and control methods for electric motors.
Latest Patents
Le Chang's most recent patents focus on advanced methods for electric motor control. Her first patent is titled "Harmonic Current Command with Four Degrees of Freedom for Electric Motor." This innovative patent describes a propulsion system that utilizes an electric motor designed to generate torque for device propulsion. The system is enhanced by a controller that selects harmonic orders and defines multiple operating regions, allowing for sophisticated management of the motor's performance through varying current magnitudes and phases based on torque and motor speed.
The second patent, "Inverter Switching Frequency Control Systems and Methods," introduces a motor control system that effectively determines target voltages and switching frequencies for electric motors. This patent includes a voltage command module and a switching module, which optimally manage the electric motor's performance by adjusting pulse width modulation (PWM) duty cycles and switching frequencies, improving the efficiency and functionality of electric motors.
Career Highlights
Le Chang is currently employed at GM Global Technology Operations LLC, where she holds a pivotal role in advancing electric motor technologies. Her work is instrumental in the development of innovative systems that significantly contribute to the efficiency and effectiveness of electric motors in various applications.
Collaborations
Throughout her career, Le has collaborated with notable colleagues such as Muhammad Hussain Alvi and Suresh Gopalakrishnan. These partnerships have allowed for the free exchange of ideas and expertise, further enhancing the innovative potential within their projects.
Conclusion
Le Chang stands out as a leading figure in the field of electric motor innovation, showcasing her expertise through her patents and collaborative efforts. Her work at GM Global Technology Operations LLC is paving the way for advancements in motor control systems, solidifying her reputation as an influential inventor in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile