The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 2025
Filed:
Oct. 16, 2019
Dyson Technology Limited, Wiltshire, GB;
Neil William Hodgins, Bristol, GB;
Libo Zheng, Swindon, GB;
Dyson Technology Limited, Wiltshire, GB;
Abstract
A method of controlling a brushless permanent magnet motor includes determining a motor operating target. The method includes comparing the motor operating target to a set of pre-determined excitation timing parameter relationships. The method includes operating the motor in accordance with an excitation timing parameter relationship determined from the set of pre-determined excitation timing parameter relationships to provide a motor operating response close to the motor operating target. The method includes measuring a measured motor operating response, comparing the measured motor operating response to the motor operating target, and applying a correction factor to an excitation timing parameter of the motor when the measured motor operating response does not match the motor operating target, such that the measured motor operating response moves toward the motor operating target.