Company Filing History:
Years Active: 2009-2016
Title: Innovations of Joshua M Williams
Introduction
Joshua M Williams is an accomplished inventor based in Peoria, IL (US). He has made significant contributions to the field of electric drive systems, holding a total of 8 patents. His work focuses on enhancing the efficiency and performance of traction motors and electric drive configurations.
Latest Patents
One of his latest patents is titled "Traction motor retarding flux reference." This innovation involves a traction motor system that calculates motor flux by generating a real-time effective resistance of a resistance grid. This calculation is based on motor torque and measured voltage on a DC link. By calculating effective resistance, the system avoids solely relying on DC link voltage, which can be influenced by conditions such as wheel slip and dropout of one or more resistance grids. The effective resistance calculation utilizes nominal motor values and known power levels to generate various scaling factors that adjust the nominal flux reference, thereby reflecting actual motor flux more accurately.
Another notable patent is "Controlling retarding torque in an electric drive system." This patent describes a system for a machine with an electric drive configuration. It includes an electric motor associated with at least one wheel, which provides retarding torque to the wheel. A controller is configured to determine a power measurement of a retarding grid and control the retarding torque based on this measurement during retarding.
Career Highlights
Joshua M Williams is currently employed at Caterpillar Inc., where he continues to innovate and develop advanced technologies in electric drive systems. His expertise and contributions have positioned him as a key player in the industry.
Collaborations
Throughout his career, Joshua has collaborated with talented individuals such as Mark E Hartman and Benjamin Paul Gottemoller. These collaborations have further enriched his work and contributed to the success of various projects.
Conclusion
Joshua M Williams is a notable inventor whose work in electric drive systems has led to significant advancements in the field. His innovative patents and collaborations reflect his commitment to enhancing technology and improving performance in traction motor systems.
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