Bengaluru-based Vimag Labs has secured its fifth patent in India for “A Robust Rotating Transformer Excited Synchronous Motor and Its Control,” covering the core architecture of its proprietary VMSM platform, Motor India reported.
A Bengaluru-based startup has secured an Indian patent for a software-defined electric motor that eliminates the need for rare-earth permanent magnets.
The technology builds on existing synchronous motor principles but innovates in “excitation” and control to maintain a brushless, slip-ring-free design. Vimag Labs’ Virtual Magnet Synchronous Motor (VMSM) uses power electronics and proprietary control algorithms to generate and manage magnetic fields in real time, replacing traditional permanent magnets embedded in the rotor.
The result: a motor that replaces rare-earth permanent magnets in the rotor with real-time, software-controlled magnetic fields generated via power electronics and control algorithms.
Vimag Labs' fifth patent in India for “A Robust Rotating Transformer Excited Synchronous Motor and Its Control,” covers the core architecture of its proprietary Virtual Magnet Synchronous Motor (VMSM) platform.
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