| 发明名称 |
Electrodynamic Modal Test Impactor System and Method |
| 摘要 |
There is provided an electrodynamic modal test impactor system and method. The system has a controller device and an impactor assembly coupled to the controller device. The impactor assembly has a housing and a permanent magnet positioned within the housing. The impactor assembly further has a voice coil positioned within the housing in a magnetic gap of a magnetic yoke housing. The voice coil is driven by the controller device. The impactor assembly further has a drive shaft supported by two or more support elements. The drive shaft is attached to the voice coil and is driven by the voice coil. The impactor assembly further has a load cell attached to a free end of the drive shaft and a biasing device positioned within the magnetic yoke housing. |
| 申请公布号 |
US2014150526(A1) |
申请公布日期 |
2014.06.05 |
| 申请号 |
US201213691584 |
申请日期 |
2012.11.30 |
| 申请人 |
The Boeing Company |
发明人 |
Powers Donald E.;Kiiskila Jason C. |
| 分类号 |
G01M7/08;G01N3/34 |
主分类号 |
G01M7/08 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. An electrodynamic modal test impactor system comprising:
a controller device; an impactor assembly coupled to the controller device, the impactor assembly comprising:
a housing;a permanent magnet positioned within the housing;a voice coil positioned within the housing in a magnetic gap of a magnetic yoke housing, the voice coil being driven by the controller device;a drive shaft supported by two or more support elements, the drive shaft attached to the voice coil and being driven by the voice coil; a load cell attached to a free end of the drive shaft; and, a biasing device positioned within the magnetic yoke housing.
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| 地址 |
US |
