Patents by Inventor Cheng-Yun LIN

Cheng-Yun LIN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Motor driving system and motor driving method
    Patent number: 11431268
    Abstract: A motor driving system includes a controller, motors and motor drivers. In the normal supplying state of a power supply, the controller controls the motor drivers. The motor drivers output driving signals for driving the motors respectively. In an abnormal state or a power-off state of the power supply, one of the motor drivers is set to be a master driver and the others are set to be slave driver. The master driver activates a deceleration energy backup (DEB) function, powers the slave drivers through a common-DC-bus structure, controls the slave drivers, and during deceleration maintains a ratio between frequencies of the driving signals, until all of the motors are decelerated to stop at the same time.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: August 30, 2022
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Cheng-Yun Lin, Chia-Wei Chou, Chen-Hsiang Kuo
  • MOTOR DRIVING SYSTEM AND MOTOR DRIVING METHOD
    Publication number: 20220069744
    Abstract: A motor driving system includes a controller, motors and motor drivers. In the normal supplying state of a power supply, the controller controls the motor drivers. The motor drivers output driving signals for driving the motors respectively. In an abnormal state or a power-off state of the power supply, one of the motor drivers is set to be a master driver and the others are set to be slave driver. The master driver activates a deceleration energy backup (DEB) function, powers the slave drivers through a common-DC-bus structure, controls the slave drivers, and during deceleration maintains a ratio between frequencies of the driving signals, until all of the motors are decelerated to stop at the same time.
    Type: Application
    Filed: May 11, 2021
    Publication date: March 3, 2022
    Inventors: Cheng-Yun LIN, Chia-Wei CHOU, Chen-Hsiang KUO