公开(公告)号：US20240328475A1

公开(公告)日：2024-10-03

申请号：US18733878

申请日：2024-06-05

Applicant: Shandong University of Aeronautics

Inventor： Weitao Sun ,  Bin Wang ,  Yuqian Wang

IPC: F16D66/00

CPC classification number: F16D66/00 ,  F16D2066/001 ,  F16D2066/006

Abstract: An early warning method for hot spots of a brake disc includes: acquiring a mixed vibration signal generated when the brake disc is braked; separating the mixed vibration signal to obtain multiple separated vibration signals; and screening the multiple separated vibration signals to obtain hot spot determination signals. The hot spot determination signals are configured to determine formation of the hot spots on the brake disc. By separating the mixed vibration signal generated when the brake disc is braked, the multiple separated vibration signals can be obtained. Each of the multiple separated vibration signals is screened to obtain the hot spot determination signal that reflect whether the hot spots are formed on the brake disc, and the hot spot early warning result is reliable. The early warning method can effectively improve the accuracy of hot spot early warning for brake discs.

公开(公告)号：US11609168B2

公开(公告)日：2023-03-21

申请号：US17430081

申请日：2020-10-14

Applicant: SHANDONG UNIVERSITY

Inventor： Bin Liu ,  Ruirui Wang ,  Boyang Gao ,  Xu Guo ,  Yaxu Wang ,  Guangzu Zhao ,  Yan Zhu ,  Bin Wang

IPC: G01N3/56 ,  B25J19/02 ,  G01B11/24 ,  G01N3/06 ,  G01N3/10 ,  G01N33/24 ,  G01N35/00 ,  B25J9/16

Abstract: An automatic test system and method for mechanical parameters of surrounding rock applicable to a TBM. The system includes: an aggregate portion collecting a rock slag in a TBM tunneling process in real time; a gripping portion gripping any rock slag from obtained rock slags; a visual processing apparatus performing three-dimensional imaging for a rock slag under test in an infrared ranging manner; calculating positions of loading points for an abrasiveness test experiment, and determining, based on a spacing between loading points, whether rock slag under test meets a requirement; and determining actual positions of loading points if the rock slag under test meets the requirement, and determining a region, on a surface of rock slag, that meets a set condition as an action region for abrasiveness test experiment; and a rock abrasiveness test apparatus automatically performing an abrasiveness test for a rock slag under test that meets a requirement.