MUMBAI, India, Sept. 12 -- Intellectual Property India has published a patent application (202517080773 A) filed by Siemens Aktiengesellschaft, Munchen, Germany, on Aug. 26, for 'method for diagnosing the state of an electric motor.'
Inventor(s) include Behringer, Klaus; Pirstat, Daniel; and Zettner, Jurgen.
The application for the patent was published on Sept. 12, under issue no. 37/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to a method for diagnosing the state of an electric motor (M) to which an AC feed voltage (U) with a supply frequency (fU) is applied. The method has the following steps: a) detecting a time series (It) of current values of a machine current (I) which flows through the electric motor (M) as a result of the feed voltage (U) applied to the electric motor (M); b) describing the time series (It) using an autoregressive model (formula I) of order p; c) forming a feature vector (Fx) with p vector elements, wherein the p vector elements are formed by the p parameters ai of the autoregressive model; and d) using the formed feature vector (Fx) in an ML algorithm as training data or as test data."
The patent application was internationally filed on Jan. 08, 2024, under International application No.PCT/EP2024/050287.
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