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GEO / CIVIL / SEISMIC TESTING / NO. 32 / MAY 2017 
Force & Motion: Information to move your mechanical testing to new levels of certainty
 
IN THIS ISSUE
Mitigating the Risks of Real-time Hybrid Simulation
Longer Lasting Actuators Lower Total Cost of Ownership
MTS Offers Automated Calibration for FlexTest® and MTS FlexDAC® 20 Hardware
  MTS Hybrid Simulation Systems
 
Pre-testing assessments provide insight into hybrid test performance and stability limits.
 
Mitigating the Risks of Real-time Hybrid Simulation
 
Hybrid simulation combines numerical modeling with physical lab testing, providing an integrated testing solution that is flexible to configure, realistic enough to represent a full structural system and relatively cost-effective in implementation. The inherent dynamics of physical actuators, however, introduce phase lags and communication delays into a real-time system, both of which contribute to negative damping. Too much negative damping can lead to test system instability, potentially resulting in both equipment and test article damage. To mitigate these risks, MTS engineers have developed a set pre-testing assessment techniques to gain advance insight into the performance and stability limits of hybrid test designs.

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  MTS Actuators  
Longer Lasting Actuators Lower Total Cost of Ownership
 
The evolving needs of mechanical testing: to test faster, with higher loads, greater fidelity and increased uptime, have put tougher demands on actuators. To meet these new requirements, the next generation of MTS actuation is longer lasting and more precise than ever before.

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  MTS FlexTest and FlexDAC  
MTS Offers Automated Calibration for FlexTest® and MTS FlexDAC® 20 Hardware
 
Quickly and efficiently verify and document the measurement accuracy of MTS controllers and data acquisition units.

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