公开(公告)号：US12025531B2

公开(公告)日：2024-07-02

申请号：US17787346

申请日：2022-02-25

Applicant: JIANGSU UNIVERSITY

Inventor： Yun Wang ,  Lihui Ren ,  Fuzhu Li ,  Zhenying Xu ,  Kun Zhang ,  Wang Ni ,  Ying Yan ,  Weili Liu ,  Peiyu He ,  Xu Ding

IPC: G01M13/00 ,  G06T7/00 ,  G06T7/60 ,  H04N23/90

CPC classification number: G01M13/00 ,  G06T7/0004 ,  G06T7/60 ,  H04N23/90 ,  G06T2207/30164

Abstract: A rapid detection tool for a coaxial relationship based on a photosensitive material and a detection method using the same are used to detect coaxiality of two through-holes in the same workpiece to be detected. An image processing unit and a control unit are mounted outside a light-shielding box. Light sources, cameras, sensors, and an air cylinder are mounted in the light-shielding box. A photosensitive plate coated with a photosensitive resin is placed between the two holes, and two sides are irradiated by the light sources. Coordinates of centers of circular patterns formed on the photosensitive plate are calculated so that a coaxial relationship between the two holes can be accurately obtained. An output rod of the air cylinder is controlled to extend outward to reject a workpiece to be detected not meeting requirements.

公开(公告)号：US11123859B2

公开(公告)日：2021-09-21

申请号：US17042947

申请日：2020-03-25

Applicant: Jiangsu University

Inventor： Lin Xu ,  Siyuan Liu ,  Jianning Ding ,  Kun Zhang ,  Jiaqi Li ,  Chuncheng Liu ,  Guanggui Cheng ,  Zhongqiang Zhang ,  Xiaodong Wang

IPC: B25J9/10 ,  B62D57/02 ,  C08J3/075 ,  F03G7/06 ,  B82Y25/00 ,  B82Y30/00

Abstract: A magnetically driven hopping soft robot based on magnetically programmed temperature-sensitive hydrogels includes first moving bodies and a second moving body. Several first moving bodies are distributed evenly on a bottom portion of the second moving body. The first moving bodies are made of a temperature-responsive hydrogel containing magnetic particles. An alternating magnetic field is applied to the first moving bodies to cause the first moving bodies to deform due to magnetocaloric effect. The first moving bodies have a two-layered structure. A first layer is made of a double-network cross-linked hydrogel and a second layer is made of a magnetic temperature-responsive hydrogel with added magnetic nanoparticles. An alternating magnetic field is applied to the first moving bodies in a manner that an amount of deformation of the second layer is greater than that of the first layer. The second layer is made of a temperature-responsive hydrogel with added magnetic nanoparticles.