scholarly journals Regret Lower Bounds for Unbiased Adaptive Control of Linear Quadratic Regulators

2020 ◽  
Vol 4 (3) ◽  
pp. 785-790 ◽  
Author(s):  
Ingvar Ziemann ◽  
Henrik Sandberg
2020 ◽  
Vol 60 (3) ◽  
pp. 197-205
Author(s):  
Nasir Ahmad Al-Awad

In this paper, the heading control of a large ship is enhanced with a specific end goal, to check the unwanted impact of the waves on the actuator framework. The Nomoto model is investigated to describe the ship’s guiding progression. First and second order models are considered here. The viability of the models is examined based on the principal properties of the Nomoto model. Different controllers are proposed, these are Proportional Integral Derivative (PID), Linear Quadratic Regulator (LQR) and Model Reference Adaptive Control Genetic optimization Algorithm (MRAC-GA) for a ship heading control. The results show that the MRAC-GA controller provides the best results to satisfy the design requirements. The Matlab/Simulink tool is utilized to demonstrate the proposed arrangement in the control loop.


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