Research on semi-active control of long and large-span continuous beam bridge vibration reduction considering system fault tolerance
Soil Dynamics and Earthquake Engineering, ISSN: 0267-7261, Vol: 162, Page: 107471
2022
- 5Citations
- 9Captures
- 1Mentions
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Most Recent News
Study Data from Zhengzhou University Provide New Insights into Soil Dynamics and Earthquake Engineering (Research On Semi-active Control of Long and Large-span Continuous Beam Bridge Vibration Reduction Considering System Fault Tolerance)
2022 NOV 07 (NewsRx) -- By a News Reporter-Staff News Editor at Math Daily News -- Investigators publish new report on Engineering - Soil Dynamics
Article Description
In order to reduce the seismic response of long and large-span continuous beam bridge, this paper carried out a study on vibration reduction control of long and large-span continuous beam bridge, and magnetorheological dampers are used to provide control force for the control scheme. Based on the LQR classic optimal active control algorithm, a semi-active control algorithm considering system fault tolerance is proposed. When some dampers fail, the fault-tolerant control algorithm provides compensation output to the control system, so that the control system can still maintain the expected control effect. The actual engineering example of a long and large-span continuous beam bridge is selected, and a finite element analysis program is written. The semi-active vibration reduction control of the long-span continuous beam bridge is calculated and analyzed in various combinations of working conditions. The calculation results show that the method in this paper has achieved good results in controlling the seismic response of the bridge structure.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0267726122003207; http://dx.doi.org/10.1016/j.soildyn.2022.107471; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85136270352&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0267726122003207; https://dx.doi.org/10.1016/j.soildyn.2022.107471
Elsevier BV
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