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Online replication control technique for continuous vibration loads
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Xia YAN, Jun-ping WANG, Yong-jian MAO, Ting DENG
Journal of Vibration Engineering | 2024, 37(10) : 1679 - 1687
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Journal of Vibration Engineering | 2024, 37(10): 1679-1687
Online replication control technique for continuous vibration loads
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Xia YAN, Jun-ping WANG, Yong-jian MAO, Ting DENG
Affiliations
  • Institute of Systems Engineering,China Academy of Engineering Physics,Mianyang 621999,China
Published: 2024-10-28 doi: 10.16385/j.cnki.issn.1004-4523.2024.10.005
Outline
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A novel vibration method,the master-slave distributed vibration test method,was proposed. Aiming at its control requirements,an online waveform replication technique for vibration loads was developed and an integrative prototype system with measuring and controlling functions was constructed. Therein,a signal processing method of frame segmentation and reconstruction was proposed for solve the problem that time waveform replication for long-duration continuous vibration loads. A method for dynamic transfer function estimation based on sample database construction and weighted average was proposed to reduce the influence of nonlinear property on control precision. A spectrum correction method was introduced to improve the frequency domain control accuracy. A test with 1 master vibrator and 2 slave vibrators was performed using the developed online vibration load replication control technique,and the results show that the technique has a high replication precision in both time domain and frequency domain,has a subsecond overall delay time,and has a subpercent overall root-mean-square error. The technique can provide a key technique for supporting online distributed vibration tests.

master-slave distributed vibration test  /  vibration control  /  online waveform replication  /  transfer function  /  frame segmentation and reconstruction  /  multi-level random signal driving
Xia YAN, Jun-ping WANG, Yong-jian MAO, Ting DENG. Online replication control technique for continuous vibration loads[J]. Journal of Vibration Engineering, 2024 , 37 (10) : 1679 -1687 . DOI: 10.16385/j.cnki.issn.1004-4523.2024.10.005
Year 2024 volume 37 Issue 10
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.2024.10.005
  • Receive Date:2023-11-20
  • Online Date:2026-02-12
  • Published:2024-10-28
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  • Received:2023-11-20
  • Revised:2024-02-01
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    Institute of Systems Engineering,China Academy of Engineering Physics,Mianyang 621999,China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
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Genus
种数
Number of
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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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