International Patent: DUAL-ERROR-CORRECTION EXTENDED STATE OBSERVER-BASED ACTIVE DISTURBANCE REJECTION SPEED CONTROL METHOD FOR PERMANENT MAGNET SYNCHRONOUS MOTOR

GENEVA, June 26 -- ZHEJIANG UNIVERSITY filed a patent application (CN2025/124796) for “DUAL-ERROR-CORRECTION EXTENDED STATE OBSERVER-BASED ACTIVE DISTURBANCE REJECTION SPEED CONTROL METHOD FOR PERMANENT MAGNET SYNCHRONOUS MOTOR”. With publication no. WO/2026/118647, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: H02P 21/22

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

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