Company Filing History:
Years Active: 2013
Title: Per Rickard Johansson: Innovator in Electric Motor Control Technology
Introduction
Per Rickard Johansson is a notable inventor based in Tyreso, Sweden. He has made significant contributions to the field of electrical engineering, particularly in the area of electric motor drives. His innovative approach to torque estimation has the potential to enhance the efficiency and performance of electric motors.
Latest Patents
Johansson holds a patent titled "Estimation of actual torque in an electrical motor drive." This patent presents a control device designed for driving an electric motor. The device determines a drive control signal using a calculated rotor flux, employing a direct quadrature (dq) coordinate system related to the rotor of the electric motor. The control device includes a flux estimator that calculates the rotor flux using various parameters, such as quadrature axis voltage and measured currents. Additionally, it features an actual torque calculator that estimates the actual torque based on the calculated rotor flux and measured currents. This innovative method represents a significant advancement in electric motor control technology.
Career Highlights
Per Rickard Johansson is associated with Danaher Motion Stockholm AB, where he applies his expertise in electrical engineering. His work focuses on developing advanced technologies that improve the functionality and efficiency of electric motor systems. His contributions have been instrumental in driving innovation within the company.
Collaborations
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Conclusion
Per Rickard Johansson's work in electric motor control technology exemplifies the impact of innovative thinking in engineering. His patent on torque estimation showcases his commitment to advancing the field and improving electric motor performance.