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Simulation analysis of shaking table iterative control based on surrogate specimen model
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Zhen WANG1, Wenlong LU1, Bin WU1, Xuejun JIA2
Earthquake Engineering and Engineering Dynamics | 2024, 44(4) : 37 - 45
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Earthquake Engineering and Engineering Dynamics | 2024, 44(4): 37-45
Simulation analysis of shaking table iterative control based on surrogate specimen model
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Zhen WANG1, Wenlong LU1, Bin WU1, Xuejun JIA2
Affiliations
  • 1.School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China
  • 2.China Construction Second Engineering Bureau Co., Ltd., Wuhan 430070, China
doi: 10.13197/j.eeed.2024.0404
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The specimen-table interaction effects can significantly affect the accuracy of shaking table acceleration time history. Iterative control is often an important means to improve the reliability of test data. However, masonry, reinforced concrete and other structures are prone to enter the nonlinear mechanical state due to cracking, which is often not suitable for iterative loading. A simulation study is carried out on the iterative control method of the shaking table based on the surrogate specimen model. First, a surrogate specimen model with similar dynamic characteristics to the specimen was constructed, after completing the iterative loading of the shaking table and obtaining the driving command with the surrogate specimen model, a real specimen-shaking table test was carried out. The simulation results show that the shaking table iterative control based on the surrogate specimen model effectively reduces the influence of the specimen-table interaction on the system control performance, and realizes the high precision reproduction of the acceleration time history of the table.

shaking table  /  specimen-table interaction effects  /  surrogate specimen model  /  iterative control
Zhen WANG, Wenlong LU, Bin WU, Xuejun JIA. Simulation analysis of shaking table iterative control based on surrogate specimen model[J]. Earthquake Engineering and Engineering Dynamics, 2024 , 44 (4) : 37 -45 . DOI: 10.13197/j.eeed.2024.0404
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Year 2024 volume 44 Issue 4
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Article Info
doi: 10.13197/j.eeed.2024.0404
  • Receive Date：2023-04-08
  • Online Date：2026-03-30
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  • Received：2023-04-08
  • Revised：2023-05-11
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    1.School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China
    2.China Construction Second Engineering Bureau Co., Ltd., Wuhan 430070, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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