Patents by Inventor Haiying Yao

Haiying Yao 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).

  • 4D printed gripper with flexible finger joints and trajectory tracking control method thereof
    Patent number: 11969891
    Abstract: The present disclosure relates to a 4D printed gripper with flexible finger joints and a trajectory tracking control method thereof. The 4D printed gripper with flexible finger joints includes: a palm unit and five finger units connected to the palm unit, where each finger unit includes two flexible finger joints and two phalanges; each flexible finger joint is divided into one upper layer and one lower layer of liquid crystal elastomer (LCE), and each LCE is used to implement a bidirectional bending movement of the finger unit. The present disclosure can precisely control the gripper with flexible finger joints.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: April 30, 2024
    Assignee: YANSHAN UNIVERSITY
    Inventors: Yintang Wen, Haiying Yao, Xiaoyuan Luo, Yuyan Zhang, Xi Liang, Bo Liang
  • 4D PRINTED GRIPPER WITH FLEXIBLE FINGER JOINTS AND TRAJECTORY TRACKING CONTROL METHOD THEREOF
    Publication number: 20220126442
    Abstract: The present disclosure relates to a 4D printed gripper with flexible finger joints and a trajectory tracking control method thereof. The 4D printed gripper with flexible finger joints includes: a palm unit and five finger units connected to the palm unit, where each finger unit includes two flexible finger joints and two phalanges; each flexible finger joint is divided into one upper layer and one lower layer of liquid crystal elastomer (LCE), and each LCE is used to implement a bidirectional bending movement of the finger unit. The present disclosure can precisely control the gripper with flexible finger joints.
    Type: Application
    Filed: April 13, 2020
    Publication date: April 28, 2022
    Inventors: Yintang Wen, Haiying Yao, Xiaoyuan Luo, Yuyan Zhang, Xi Liang, Bo Liang