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Freescale unveils torque control solution

Posted: 21 Aug 2012 ?? ?Print Version ?Bookmark and Share

Keywords:space vector modulated-direct torque control? motor control? SVM-DTC?

Freescale Semiconductor and the Nanjing University of Aeronautics and Astronautics (NUAA) have revealed a jointly developed space vector modulated-direct torque control (SVM-DTC) solution for industrial motor control. The SVM-DTC solution is based on Freescale's 56F8xxx DSC series, and is cost-efficient and helps speed time to market for motor/compressor control applications.

The SVM-DTC solution is an adaptive motor control algorithm with a simple structure that features low noise and vibration. Because the SVM-DTC solution does not depend on rotor parameters, it is easy to adapt to a variety of motor types, noted the organizations.

Freescale MC56F8xxx DSCs integrate high-speed analog functions and 32bit DSP cores and provide accurate digital control for power supplies (digital power conversion) and motors. The performance, precision, accuracy and control capability of the MC56F8xxx series help improve system stability for multiple types of applications, flaunted the company.

"The 56F8xxx series is an ideal choice to help improve the energy efficiency of several types of motors, and it reflects the market trend toward sensor-less control," said Jason Zhang, Freescale's general manager for marketing and business development in Asia. "We are delighted to be working with the NUAA to continue to develop more and better motor control solutions with our DSC products that meet the requirements of multiple motor types, including single, dual, AC induction (ACIM), brushless direct current (BLDC) and permanent magnet synchronous motors (PMSM)."

Freescale and the NUAA began working together in 2005 and some of their joint projects include 180-degree sine wave controlled BLDC motors, PMSM fans, freezers and air conditioning compressors, among others.

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