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Related Experiment Video

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Speed and heading control-based collision avoidance for a ship towing system.

Lei Zhang¹, Wenjie Liu², Zhe Du³

¹Wuhan University of Technology, School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan, China; Wuhan University of Technology, School of Navigation, Wuhan, China.

ISA Transactions

|November 6, 2022

Summary

This summary is machine-generated.

This study introduces a novel collision avoidance strategy for ship towing systems using coordinated speed and heading control. The proposed method enhances maritime safety and efficiency through intelligent risk assessment and control.

Keywords:

Collision avoidance Conflict resolution Model predictive control Ship towing system

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Area of Science:

Maritime Safety
Robotics and Control Systems
Naval Architecture

Background:

Collision avoidance is critical for maritime safety, yet research on ship towing systems is limited.
Ship towing systems present unique challenges due to multiple vessels and physical connections.

Purpose of the Study:

To propose a novel speed and heading control-based conflict resolution strategy for ship towing systems.
To enhance collision avoidance capabilities in complex maritime operations.

Main Methods:

Developed a risk assessment system to identify conflicts and determine optimal avoidance times using conflict index and maneuvering margin.
Implemented a coordination control system based on Model Predictive Control (MPC) for two tugboats.
Regulated the position, heading, and speed of the manipulated ship through cooperative control.

Main Results:

Simulation experiments validated the effectiveness of the proposed collision avoidance strategy.
The system successfully identified conflicts and determined appropriate avoidance actions.
Optimized combined heading and speed control demonstrated improved safety and efficiency.

Conclusions:

The proposed speed and heading control strategy offers a safer and more efficient solution for ship towing collision avoidance.
The integrated risk assessment and coordination control systems provide a robust framework for complex towing manipulations.
This research contributes to advancing autonomous navigation and safety in maritime transportation systems.