Coupled, non-linear control system design for autonomous underwater vehicle (AUV)

Author(s):  
M. Santhakumar ◽  
T. Asokan
Author(s):  
Q M Zhu ◽  
L Z Guo

In this study a control-oriented model is proposed to represent a wide range of non-linear discrete-time dynamic plants. As a testimony to the efficiency of the model structure for control system design, a pole placement controller is designed for non-linear discrete-time plants. Mathematically the solution of the controller output is converted into resolving a polynomial equation in the current control term u( t), which significantly reduces the difficulties encountered in non-linear control system synthesis and computational complexities. The integrated procedure provides a straightforward methodology to use in linear control system design techniques when designing non-linear control systems. For a demonstration of the effectiveness of the proposed methodology used to deal with practical problems, pole placement controllers are designed for three non-linear plants, including the Hammerstein model, a laboratory-scale liquid level system and a continuous stirred tank reactor. The simulation results are presented with graphical illustrations.


2008 ◽  
pp. 193-291 ◽  
Author(s):  
Elbert Hendricks ◽  
Ole Jannerup ◽  
Paul Haase Sørensen

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