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A Stable Platform to Compensate Motion of Ship Based on Stewart Mechanism

  • Zhongqiang Zheng
  • Xiaopeng Zhang
  • Jun Zhang
  • Zongyu ChangEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9244)

Abstract

Severe vibration and swing of ship or offshore structure in hostile sea environment have great effects on instruments, equipment and crews aboard. The paper brings out a stable platform based on a 6 SPS Stewart mechanism. It can compensate the motion of vessel by adjusting the length of 6 support cylinders. Kinematic analysis is carried out for this mechanism, and the motion of cylinder for different motion of ship is calculated. The workspace of motion compensation is given out by applying numerical method. This mechanism can provide a solution for stable platform for high precision instruments or equipment on ship or vessel.

Keywords

Stewart mechanism Offshore platform Kinematic analysis Work space Transformation matrix 

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Zhongqiang Zheng
    • 1
    • 2
  • Xiaopeng Zhang
    • 3
  • Jun Zhang
    • 1
  • Zongyu Chang
    • 1
    • 2
    Email author
  1. 1.Engineering CollegeOcean University of ChinaQingdaoPeople’s Republic of China
  2. 2.Key Lab of Ocean Engineering of Shandong ProvinceLaoshanPeople’s Republic of China
  3. 3.LongKou PortLongkouPeople’s Republic of China

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