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.