Stability Anaysis of Real-time Hybrid Simulation for a Multi-story Structure Considering Time-delay of Hydrolic Actuator

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NASIRI MOSTAFA; Safi Ali

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Paper Information

Journal: AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR) Year:2019 | Volume:51 | Issue:3 Page(s): 391-400

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Information Journal Paper

Title

Stability Anaysis of Real-time Hybrid Simulation for a Multi-story Structure Considering Time-delay of Hydrolic Actuator

Author(s)

NASIRI MOSTAFA | Safi Ali | Issue Writer Certificate

Keywords

Real-time hybrid simulation (RTDH)Q1

hydraulic actuatorQ1

time-delayQ1

stabilityQ2

structureQ1

Abstract

Real-time hybrid simulation (RTHS) is a kind of simulation where an experimental component of a structure is tested within a numerical model describing the remainder of the system. In this paper, a multi-story structure is partitioned into numerical and experimental substructures, and vibration behavior of the experimental stories are evaluated within the real-time simulation of the rest of the system. An electro-hydraulic actuator is employed to apply static and inertial forces to the experimental structure due to the forces calculated by the numerical substructure. An actuator dynamic is approximated by a pure time-delay, and the time-delay in the closed loop of simulation may causes inaccuracy results or even instability. Thus, the approach of delay differential equation (DDE) modelling is used to determine the dependence of the critical delay on the parameters of the system. The results demonstrate the influence of non-dimensional parameters and partitioning effects in stability of the hybrid simulation.

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APA: Copy

NASIRI, MOSTAFA, & Safi, Ali. (2019). Stability Anaysis of Real-time Hybrid Simulation for a Multi-story Structure Considering Time-delay of Hydrolic Actuator. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), 51(3 ), 391-400. SID. https://sid.ir/paper/165539/en

Vancouver: Copy

NASIRI MOSTAFA, Safi Ali. Stability Anaysis of Real-time Hybrid Simulation for a Multi-story Structure Considering Time-delay of Hydrolic Actuator. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR)[Internet]. 2019;51(3 ):391-400. Available from: https://sid.ir/paper/165539/en

IEEE: Copy

MOSTAFA NASIRI, and Ali Safi, “Stability Anaysis of Real-time Hybrid Simulation for a Multi-story Structure Considering Time-delay of Hydrolic Actuator,” AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), vol. 51, no. 3 , pp. 391–400, 2019, [Online]. Available: https://sid.ir/paper/165539/en

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