Abstract

Intelligent motion control is one of the key technologies of ships. This paper studies the application of Adaptive Mutation Beetle Particle Swarm (AMBPS)-PID algorithm in ship motion control. Firstly, the ship MMG model is established. Then the BAS algorithm is introduced, and AMBPS algorithm is improved and designed on this basis. Secondly, ship heading and path following controllers are designed according to the algorithm, and rudder turning rate constraint is introduced to limit the rudder angle. Thirdly, through the test function effect analysis of AMBPS and other similar algorithms, the improved effect of this algorithm is verified. Finally, from manual tuning PID parameters to off-line and on-line optimizing parameters based on AMBPS algorithm, the optimal control parameters are obtained step by step, and the optimal heading and path following simulation results are achieved. Compared with the results of traditional PID, AMBPS-PID algorithm has a better adaptive control effect on ship motion control, reduces the error of manual tuning parameters and improves efficiency.

Highlights

  • The main problems of ship motion control are the uncertainty of ship dynamics, random environmental disturbance and inaccuracy of measurement information [1]

  • Based on the simulation analysis, the conclusions of this paper are as follows: 1) The rudder turning rate control is introduced into the motion controller, which makes the control results more in line with the actual ship situation

  • 3) Adaptive Mutation Beetle Particle Swarm (AMBPS) algorithm can optimize the parameters of PID with fewer iterations, which shows that the efficiency of this algorithm is better

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Summary

Introduction

The main problems of ship motion control are the uncertainty of ship dynamics, random environmental disturbance and inaccuracy of measurement information [1] For these reasons, researchers have carried out various control methods to effectively reduce the impact of these reasons, such as PID (proportion, integral and derivative), fuzzy control, predictive control, sliding mode control and other basic algorithms or their improved algorithms. Researchers have carried out various control methods to effectively reduce the impact of these reasons, such as PID (proportion, integral and derivative), fuzzy control, predictive control, sliding mode control and other basic algorithms or their improved algorithms Among these algorithms, the PID controller is the most widely used controllers with simple and fast characteristics. One of them is that the fixed parameters of the PID controller

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