Company Filing History:
Years Active: 2020-2025
Title: The Innovations of Matej Pacha
Introduction
Matej Pacha is a notable inventor based in Jihlava, Czech Republic. He has made significant contributions to the field of electric motor technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and reliability of electric motors, which are crucial in various applications.
Latest Patents
One of his latest patents is for an electric motor fault detection system. This innovative electric motor controller includes a driver circuit that responds to a speed demand signal. It features a measurement circuit that measures current through the motor's windings and employs a back electromotive force (BEMF) observer to estimate BEMF values and rotor angular speed. The system can detect faults in the motor controller by comparing the estimated BEMF value against a defined error threshold.
Another significant patent involves a technique for the on-the-fly start-up of a permanent magnet AC motor without the need for a speed or position sensor. This method allows for the control of a sensorless multi-phase permanent magnet motor by sensing induced terminal voltages while the rotor is spinning. The process includes generating an input voltage vector signal and estimating the initial rotor position, all while the power converter is disabled.
Career Highlights
Matej Pacha is currently employed at NXP USA, Inc., where he continues to innovate in the field of electric motor technology. His work has been instrumental in developing advanced motor control systems that enhance performance and reliability.
Collaborations
Throughout his career, Matej has collaborated with talented individuals such as Branislav Zigmund and Carlos Vazquez Goyarzu. These collaborations have contributed to the successful development of his innovative technologies.
Conclusion
Matej Pacha's contributions to electric motor technology through his patents demonstrate his commitment to innovation and excellence in engineering. His work continues to influence the industry and pave the way for future advancements.