Verification of Optimized Real-time Hybrid Control System for Prediction of Nonlinear Materials Behavior with 3-DOF Dynamic Test

Real-time hybrid method is an economical and efficient test method to evaluate the dynamic behavior. The purpose of this study is to develop the computational algorithm and to prove the reliability of a real-time hybrid control system. For performing the multi-direction dynamic test, three dynamic a...

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Main Authors: Okpin Na, Jejin Park
Format: Article
Language:English
Published: MDPI AG 2020-06-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/10/11/4037
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author Okpin Na
Jejin Park
author_facet Okpin Na
Jejin Park
author_sort Okpin Na
collection DOAJ
description Real-time hybrid method is an economical and efficient test method to evaluate the dynamic behavior. The purpose of this study is to develop the computational algorithm and to prove the reliability of a real-time hybrid control system. For performing the multi-direction dynamic test, three dynamic actuators and the optimized real-time hybrid system with new hybrid simulation program (FEAPH) and a simplified inter-communication were optimized. To verify the reliability and applicability of the real-time hybrid control system, 3-DOF (3 Degrees of Freedom) non-linear dynamic tests with physical model were conducted on a steel and concrete frame structure. As a ground acceleration, El Centro and Northridge earthquake waves were applied. As a result, the maximum error of numerical analysis is 13% compared with the result of shaking table test. However, the result of real-time hybrid test shows good agreement with the shaking table test. The real-time hybrid test using FEAPH can make good progress on the total testing time and errors. Therefore, this test method using FEAPH can be effectively and cheaply used to evaluate the dynamic performance of the full-scale structure, instead of shaking table and full-scale test.
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spelling doaj.art-3804ab7dc11c45b0990f6921ca01e8032023-12-03T11:54:33ZengMDPI AGApplied Sciences2076-34172020-06-011011403710.3390/app10114037Verification of Optimized Real-time Hybrid Control System for Prediction of Nonlinear Materials Behavior with 3-DOF Dynamic TestOkpin Na0Jejin Park1R&D Division, Hyundai E&C, Gyeonggi-do 14102, KoreaDepartment of Civil Engineering, College of Engineering, Chonnam National University, Gwangju 61186, KoreaReal-time hybrid method is an economical and efficient test method to evaluate the dynamic behavior. The purpose of this study is to develop the computational algorithm and to prove the reliability of a real-time hybrid control system. For performing the multi-direction dynamic test, three dynamic actuators and the optimized real-time hybrid system with new hybrid simulation program (FEAPH) and a simplified inter-communication were optimized. To verify the reliability and applicability of the real-time hybrid control system, 3-DOF (3 Degrees of Freedom) non-linear dynamic tests with physical model were conducted on a steel and concrete frame structure. As a ground acceleration, El Centro and Northridge earthquake waves were applied. As a result, the maximum error of numerical analysis is 13% compared with the result of shaking table test. However, the result of real-time hybrid test shows good agreement with the shaking table test. The real-time hybrid test using FEAPH can make good progress on the total testing time and errors. Therefore, this test method using FEAPH can be effectively and cheaply used to evaluate the dynamic performance of the full-scale structure, instead of shaking table and full-scale test.https://www.mdpi.com/2076-3417/10/11/4037real-timehybrid control systemdynamic testthree-degree of freedom
spellingShingle Okpin Na
Jejin Park
Verification of Optimized Real-time Hybrid Control System for Prediction of Nonlinear Materials Behavior with 3-DOF Dynamic Test
Applied Sciences
real-time
hybrid control system
dynamic test
three-degree of freedom
title Verification of Optimized Real-time Hybrid Control System for Prediction of Nonlinear Materials Behavior with 3-DOF Dynamic Test
title_full Verification of Optimized Real-time Hybrid Control System for Prediction of Nonlinear Materials Behavior with 3-DOF Dynamic Test
title_fullStr Verification of Optimized Real-time Hybrid Control System for Prediction of Nonlinear Materials Behavior with 3-DOF Dynamic Test
title_full_unstemmed Verification of Optimized Real-time Hybrid Control System for Prediction of Nonlinear Materials Behavior with 3-DOF Dynamic Test
title_short Verification of Optimized Real-time Hybrid Control System for Prediction of Nonlinear Materials Behavior with 3-DOF Dynamic Test
title_sort verification of optimized real time hybrid control system for prediction of nonlinear materials behavior with 3 dof dynamic test
topic real-time
hybrid control system
dynamic test
three-degree of freedom
url https://www.mdpi.com/2076-3417/10/11/4037
work_keys_str_mv AT okpinna verificationofoptimizedrealtimehybridcontrolsystemforpredictionofnonlinearmaterialsbehaviorwith3dofdynamictest
AT jejinpark verificationofoptimizedrealtimehybridcontrolsystemforpredictionofnonlinearmaterialsbehaviorwith3dofdynamictest