| 发明名称 |
APPARATUS AND METHOD FOR DETECTING DEFECT OF PRESS PANEL |
| 摘要 |
An apparatus for detecting a defect of a press panel includes: an acoustic emission sensor unit configured to detect at least one elastic wave signal emitted from the press panel as a detection target during press work, a period measurer configured to measure a period as a section in which there are consecutive signals with a greater voltage than a threshold voltage among the at least one detected signals, and a defect existence determination unit configured to determine that a defect is generated in the press panel when the measured period is greater than a first reference value, and to determine that the press panel is in a normal state when the measured period is smaller than a second reference value which is smaller than the first reference value. |
| 申请公布号 |
US2016097745(A1) |
申请公布日期 |
2016.04.07 |
| 申请号 |
US201514873728 |
申请日期 |
2015.10.02 |
| 申请人 |
Hyundai Motor Company ;Kia Motors Corporation ;UNIST Academy-Industry Research Corporation |
发明人 |
Hwang Jae Ryeon;Kim ByungHun;Bien Franklin;Yoo Hyon Gi;Jeong Chan Woo;Quang Nguyen Ngoc;Zhenyl Liu;Kim Seul Ki Rom |
| 分类号 |
G01N29/14 |
主分类号 |
G01N29/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An apparatus for detecting a defect of a press panel, the apparatus comprising:
an acoustic emission sensor unit configured to detect at least one elastic wave signal emitted from the press panel as a detection target during press work; a period measurer configured to measure a period as a section in which there are consecutive signals with a greater voltage than a threshold voltage among the at least one detected signals; and a defect existence determination unit configured to determine that a defect is generated in the press panel when the measured period is greater than a first reference value and to determine that the press panel is in a normal state when the measured period is smaller than a second reference value which is smaller than the first reference value. |
| 地址 |
Seoul KR |
