Design of Sliding Mode Control for LNG Storage Tank System

  • Dashrath S. PanchalEmail author
  • Devesh P. Soni
  • Dipesh H. Shah
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 604)


This paper presents the seismic control problem of a broad Liquefied Natural Gas (LNG) storage tank using Sliding Mode Control (SMC) with base isolation technique. To reduce seismic forces, the LNG tank is isolated from base by laminated isolation bearing made from intrinsic rubber. In order to control excessive displacement of LNG tank at isolation level, magneto-rheological (MR) dampers are installed. The Magneto-rheological (MR) dampers are admired by robust sliding mode control designed using constant rate reaching law. The stability condition for closed-loop system is derived using Lyapunov Approach. The robustness of the designed controller is proved and compared with uncontrolled system for different seismic ground motion. The simulation results substantiated that the sliding mode control (SMC) strategy is more effective in reducing the structural responses as compared to uncontrolled system.


Sliding mode control Clipped optimal controller Magneto-rheological damper Stability 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Dashrath S. Panchal
    • 1
    Email author
  • Devesh P. Soni
    • 2
  • Dipesh H. Shah
    • 3
  1. 1.Sardar Vallabhbhai Patel Institute of TechnologyVasadIndia
  2. 2.Department of Civil EngineeringSardar Vallabhbhai Patel Institute of TechnologyVasadIndia
  3. 3.Department of Instrumentation and Control EngineeringSardar Vallabhbhai Patel Institute of TechnologyVasadIndia

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