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Multiple Degrees of Freedom Positioning Correction for Hybrid Simulation
This study proposes a high-precision positioning correction method for multiple degree-of-freedom loading units in hybrid simulation. These loading units can impose inaccurate displacements to the specimens due to the elastic deformation at the reaction wall or connections. To compensate for these displacement errors, an online correction method adjusts the displacement command by the difference between the target and achieved displacement. This correction method also accompanies an accurate 6DOF monitoring system to detect the displacement errors. Two examples of hybrid simulation tests are provided to demonstrate the precise displacements attained on the specimens through this control method.
Multiple Degrees of Freedom Positioning Correction for Hybrid Simulation
This study proposes a high-precision positioning correction method for multiple degree-of-freedom loading units in hybrid simulation. These loading units can impose inaccurate displacements to the specimens due to the elastic deformation at the reaction wall or connections. To compensate for these displacement errors, an online correction method adjusts the displacement command by the difference between the target and achieved displacement. This correction method also accompanies an accurate 6DOF monitoring system to detect the displacement errors. Two examples of hybrid simulation tests are provided to demonstrate the precise displacements attained on the specimens through this control method.
Multiple Degrees of Freedom Positioning Correction for Hybrid Simulation
Chang, Chia-Ming (author) / Frankie, Thomas M. (author) / Spencer, Billie F.Jr. (author) / Kuchma, Daniel A. (author)
Journal of Earthquake Engineering ; 19 ; 277-296
2015-02-17
20 pages
Article (Journal)
Electronic Resource
English
Multiple Degrees of Freedom Positioning Correction for Hybrid Simulation
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