MUMBAI, India, March 13 -- Intellectual Property India has published a patent application (202641018806 A) filed by Manipal Academy Of Higher Education, Manipal, Karnataka, on Feb. 19, for 'a system and method for inductance-based rotor position identification and flux linkage measurement.'
Inventor(s) include Vijay Babu Koreboina; Navya Agarwal; Stuthi Shetty; Suzanne Rency; Ankur Jaiswal; Narasimharaju B L; and Vinod Kumar D M.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a system and method for inductance-based rotor position identification and flux linkage measurement of a switched reluctance motor without the use of precision angular indexing mechanisms or rotary encoders. The method involves measuring phase inductance over a mechanical range corresponding to one electrical cycle to generate an inductance-rotor position reference map, identifying rotor position based on a measured inductance value, mechanically clamping the rotor at the identified position, and applying a controlled voltage pulse using a rising current method. Phase voltage and phase current are measured during excitation and flux linkage is computed by integrating a voltage equation using the measured electrical quantities and a known phase resistance. The system enables acquisition of flux linkage versus current characteristics across multiple rotor positions, thereby providing complete electromagnetic characterisation of the switched reluctance motor in a cost-effective and simplified manner without direct angular measurement."
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