State Feedback Controller for LNG Storage Tank System using Pole Placement Method
Journal Title: GRD Journal for Engineering - Year 2019, Vol 4, Issue 0
Abstract
In this paper seismic control problem is discussed for an extra-large Liquefied Natural Gas (LNG) storage tank using smart base-isolation. The seismic forces are reduced by isolating LNG tank from ground through laminated isolation bearing made from natural rubber. Magneto-rheological (MR) dampers are installed to control the excessive displacement of LNG tank system. The MR dampers are commended by state feedback controller designed using pole placement method. The efficacy and effectiveness of derived control algorithm are presented and compared with uncontrolled system for past three earthquake ground motion. The simulation results showed that the state feedback control strategy is more effective in reducing the structural responses as compared to uncontrolled system.
Authors and Affiliations
Dashrath S. Panchal, Devesh P. Soni, Dipesh H. Shah
Keywords
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