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:
Mar. 08, 2016
Filed:
Jul. 21, 2014
Delta Electronics, Inc., Taoyuan Hsien, TW;
Cheng-Te Chen, Taoyuan Hsien, TW;
Chien-Yu Chi, Taoyuan Hsien, TW;
Ting-Chung Hsieh, Taoyuan Hsien, TW;
DELTA ELECTRONICS, INC., Taoyuan Hsien, TW;
Abstract
A motor deceleration method for a motor driving system is provided. The motor driving system outputs a driving signal containing a voltage value, a current value and a frequency value for driving a motor. When a deceleration of the motor is launched, the descent speeds of the voltage value and the frequency value are controlled according to a preset deceleration time period. Then, a voltage compensation value is generated according to a result of comparing the current value with a preset current level, and the voltage value is increased according to the voltage compensation value, so that the current value is increased to the preset current level. According to a frequency compensation value, the current value is increased to and maintained at the preset current level. Finally, the rotating speed of the motor is gradually decreased to a preset speed.