公开(公告)号：US10685151B2

公开(公告)日：2020-06-16

申请号：US15377941

申请日：2016-12-13

申请人： Beijing Institute of Technology

发明人： Jianhua Liu ,  Naijing Lv ,  Xiaoyu Ding ,  Shaoli Liu ,  Jiashun Liu ,  Haili Lin ,  Jiangtao Ma

IPC分类号： G06F30/20 ,  G06F17/11 ,  G06F17/16 ,  G06F111/10 ,  G06F113/16

摘要： A method for simulating a posture of a flexible cable based on a spring-mass model combining bending and torsion includes: establishing a physical property model of the cable, wherein a torsion property is represented by a torsion spring attached at each 55 cable segment; obtaining an initial position of each discrete mass point based on a total length of the cable and the number of the cable segments; identifying discrete mass points at both ends as fixed points, and obtaining their position information; calculating stress information of other discrete mass points whose position information is not determined based on the physical property model; sequentially calculating 10 10 equilibrium positions of the other discrete mass points by using the stress information and the initial positions to obtain their the position information; and simulating a stable posture of the cable based on the position information of the fixed points and the other discrete mass points.

公开(公告)号：US20170193134A1

公开(公告)日：2017-07-06

申请号：US15289936

申请日：2016-10-10

申请人： Beijing Institute of Technology

发明人： Jianhua Liu ,  Xiaoyu Ding ,  Jinbao Xu ,  Shaoli Liu ,  Naijing Lv ,  Jiangtao Ma

IPC分类号： G06F17/50

CPC分类号： G06F17/50 ,  G06F17/5004 ,  G06F17/509 ,  G06F2217/36

摘要： The present disclosure provides a method and a device for automatically routing a multi-branch cable, so as to optimize branch points, thereby to acquire an optimal routing scheme and improve the routing efficiency. The method includes the steps of: acquiring position information about connection terminals of the multi-branch cable in a solution space in accordance with a CAD model and a wiring table; determining position information about branch points of the multi-branch cable in the solution space in accordance with the position information about the connection terminals of the multi-branch cable and a first predetermined algorithm; generating a cable routing path map on the surface of obstacle in the solution space in accordance with the position information about the connection terminals of the multi-branch cable, the position information about the branch points and a second predetermined algorithm; and acquiring and outputting a cable model as a routing design result in accordance with the cable routing path map.

公开(公告)号：US20170124230A1

公开(公告)日：2017-05-04

申请号：US15377941

申请日：2016-12-13

申请人： Beijing Institute of Technology

发明人： Jianhua Liu ,  Naijing Lv ,  Xiaoyu Ding ,  Shaoli Liu ,  Jiashun Liu ,  Haili Lin ,  Jiangtao Ma

IPC分类号： G06F17/50 ,  G06F17/16 ,  G06F17/11

摘要： A method for simulating a posture of a flexible cable based on a spring-mass model combining bending and torsion includes: establishing a physical property model of the cable, wherein a torsion property is represented by a torsion spring attached at each 55 cable segment; obtaining an initial position of each discrete mass point based on a total length of the cable and the number of the cable segments; identifying discrete mass points at both ends as fixed points, and obtaining their position information; calculating stress information of other discrete mass points whose position information is not determined based on the physical property model; sequentially calculating 10 10 equilibrium positions of the other discrete mass points by using the stress information and the initial positions to obtain their the position information; and simulating a stable posture of the cable based on the position information of the fixed points and the other discrete mass points.

公开(公告)号：US20170193133A1

公开(公告)日：2017-07-06

申请号：US15283280

申请日：2016-09-30

申请人： Beijing Institute of Technology

发明人： Jianhua Liu ,  Xiaoyu Ding ,  Jinbao Xu ,  Shaoli Liu ,  Naijing Lv ,  Jiangtao Ma

IPC分类号： G06F17/50 ,  G06F17/18

CPC分类号： G06F17/50 ,  G06F17/5004 ,  G06F17/509 ,  G06F2217/36

摘要： The present disclosure provides a method and a device for automatically routing a multi-branch cable, so as to optimize branch points, thereby to acquire an optimal routing scheme and improve the routing efficiency. The method includes the steps of: acquiring position information about connection terminals of the multi-branch cable in a solution space in accordance with a CAD model and a wiring table; determining position information about branch points of the multi-branch cable in the solution space in accordance with the position information about the connection terminals of the multi-branch cable and a first predetermined algorithm; generating a cable routing path map on the surface of obstacle in the solution space in accordance with the position information about the connection terminals of the multi-branch cable, the position information about the branch points and a second predetermined algorithm; and acquiring and outputting a cable model as a routing design result in accordance with the cable routing path map.