Vibration ControlSignal Analysis

Sophisticated vibration testing procedures are required to simulateeven the toughest real operating environments. Product designers and test engineers throughout the world count on m+p international for reliable vibration control and signal analysis ... from entry-level to high-channel count systems.

Force limited vibration testing of a spacecraft atNASA Jet Propulsion Laboratory,Pasadena/California Spacecraft are subjected to a variety of dynamics environments,therefore dynamics testing is a key thing. The NASA Jet PropulsionLaboratory, Pasadena/California, used m+p international’s forcelimiting vibration controller for successful testing of the Cassini Huygens spacecraft which was destined for Saturn. Limiting theshaker force simulates the mechanical impedance of the flight-mounting configuration and minimizes over-testing of the structure. Advanced vibration control at TUV Product Services Lab,Titchfield/England The TUV Product Services Lab in Titchfield, England is often askedto perform the most difficult of test cases. This spectacular exampleis a 4 m long radar antenna by Litton Marine being rotated full circle while undergoing vibration test. As with all of its vibration testingTUV is using one of a number of our VibControl shaker controlsystems. Vibration control and signal analysis at EADS Astrium,Ottobrunn/Germany Many shock and vibration tests requiring high-channel counts forcontrol and monitoring can only be run once to avoid over-stressingthe system. Therefore it has been the practice to run two separate systems, one for control and another for data acquisition. m+pinternational’s solution is based on their VibControl family ofsoftware and the latest VXIbus front-ends that have combined bothadvanced control and real-time throughput data capture for up to256 measurement channels into one system. With both functions operating in parallel, the European space company EADS Astriumnear Munich reduce their test costs significantly and minimisepotential overtest of the specimen.