期刊
IEEE-ASME TRANSACTIONS ON MECHATRONICS
卷 20, 期 2, 页码 497-505出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMECH.2014.2331713
关键词
Boundary control; distributed parameter system; flexible riser; flexible structures; vibration control
类别
资金
- National Natural Science Foundation of China [61203057]
- Fundamental Research Funds for the China Central Universities of UESTC [ZYGX2012J087, ZYGX2013Z003]
- National Basic Research Program of China (973 Program) [2014CB744206]
- Foundation of Key Laboratory of Autonomous Systems and Networked Control, Ministry of Education, China [2013A03]
This paper presents a boundary controller for a flexible marine riser to suppress the riser's vibration with a top tension constraint. The flexible marine riser is described by a distributed parameter system with a partial differential equation and four ordinary differential equations. The boundary controller is designed at the top boundary of the riser based on an integral-barrier Lyapunov function to suppress the riser's tension at top. Adaptive control is designed when the system parametric uncertainty exists. With the proposed robust adaptive boundary control, uniformed boundedness under the ocean disturbance can be achieved. Stability analysis of the closed-loop system is given using the Lyapunov stability theory. Simulation results illustrate the effectiveness of the proposed boundary controller with top tension constraint.
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