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Time Domain Simulation of a Dynamic Positioning Deepwater Semisubmersible Drilling Platform

[+] Author Affiliations
Xu Yang, Liping Sun

Harbin Engineering University, Harbin, Heilongjiang, China

Shuhong Chai

Australian Maritime College, Launceston, TAS, Australia

Paper No. OMAE2014-23286, pp. V08AT06A021; 8 pages
doi:10.1115/OMAE2014-23286
From:
  • ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 8A: Ocean Engineering
  • San Francisco, California, USA, June 8–13, 2014
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4550-9
  • Copyright © 2014 by ASME

abstract

DPS (dynamic positioning system) has been widely used in floating structures, especially in deepwater area. Time domain simulation of platforms with dynamic positioning system has great significance to DP capability and riser system. Motion response of a deepwater semi-submersible platform with DPS on time domain was presented in this paper. PID (proportional, integral, derivative) controller and thruster allocation method were applied in numerical simulations of DPS. Wind, current and wave environmental loads were analyzed and limited angular speed was considered as well. Thruster failure analyses were covered and discussed also. Experiments of DPS in deep-water basin of Harbin Engineering University (HEU) were presented and compared with numerical study.

Copyright © 2014 by ASME

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