Ship stabilization control using an adaptive input disturbance predictor

Liu, Jingyang, Allen, R., Yi, Hong and Zhang, Yufang (2010) Ship stabilization control using an adaptive input disturbance predictor In Proceedings of the 8th IEEE International Conference on Control and Automation. Institute of Electrical and Electronics Engineers., pp. 2158-2161.


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When ships travel on the oceans, changes in the sea
states and the sailing conditions will induce significant uncertain hydrodynamics, leading to a deterioration in the performance of traditional stabilization systems. To overcome this problem, a combination of Model Predictive Control (MPC) and anadaptive input disturbance predictor is proposed. This combination predicts the wave disturbance force by using a predictive model of the input disturbance and then compensating for the predicted disturbance within the MPC framework. This has the advantages of MPC and the adaptive
model, and avoids the complicated robust tuning of a state
observer which is commonly used within the MPC framework
to reject output disturbances. Model Predictive Control is better than classical control at dealing with constraints, and the adaptive disturbance model enhances the ship adaptability when traveling in varying sea conditions. Very good predictions of the ship motion are obtained with less degradation under
changes of sailing conditions, thus achieving very good closed loop performance in the MPC framework. An adaptive input disturbance predictor based on the time series Auto Regressive (AR) model is used in a numerical simulation which shows that this combination works very well.

Item Type: Conference or Workshop Item (Paper)
ISBNs: 9781424451968 (print)
Related URLs:
ePrint ID: 158333
Date :
Date Event
Date Deposited: 23 Jun 2010 08:17
Last Modified: 18 Apr 2017 03:56
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