Delta Electronics has been granted a patent for a motor detection method that involves providing an excitation current command to a motor device, detecting feedback angles in resting positions, and calculating a magnetic pole offset angle. The method ensures accurate motor device detection. GlobalData’s report on Delta Electronics gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Delta Electronics, Battery management systems was a key innovation area identified from patents. Delta Electronics's grant share as of May 2024 was 66%. Grant share is based on the ratio of number of grants to total number of patents.
Motor detection method for calculating magnetic pole offset angle
A recently granted patent (Publication Number: US12003198B2) discloses a motor detection method and device designed to accurately detect a motor device. The method involves providing an excitation current command to the motor device, driving it to rotate at specific angles, and obtaining feedback angles in resting positions to calculate a magnetic pole offset angle. The resting positions are where the total torque of the motor device is zero, ensuring precise measurements. Additionally, the method includes adjusting the magnetic pole offset angle based on the feedback angles obtained.
Furthermore, the patent details the motor detection device, which consists of a controller and an encoder. The controller is responsible for providing excitation current commands, driving the motor device to rotate at specific angles, and calculating the magnetic pole offset angle based on feedback angles obtained by the encoder. Similar to the method, the device ensures accurate detection by utilizing resting positions with zero total torque. Additionally, the device includes a mechanism to adjust the magnetic pole offset angle when necessary, further enhancing the precision of the motor detection process.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
