Operational Radius: Critical Factor in Follow Target and Follow Sub Modes

Operational Radius, also known as Reaction Radius, is a key parameter in Follow Target or Follow Sub modes of Dynamic Positioning (DP) systems. This factor defines the area or boundary within which the DP system reacts to the movements of a tracked target, such as a Remotely Operated Vehicle (ROV) or another moving object.

How Operational Radius Works

• Defined Boundary: The operational radius sets a virtual limit around the target. The DP system adjusts the vessel’s position and heading to stay within this boundary.
• Real-Time Updates: Continuously tracks the target’s movements and ensures the vessel remains optimally positioned relative to it.
• Customized Settings: The radius can be adjusted based on operational needs, environmental conditions, and safety requirements.

Applications of Operational Radius

1. ROV Operations: Maintains the vessel in close proximity to the ROV for efficient operation and support.
2. Diving Support: Ensures the vessel remains at a safe and effective distance from divers or diving bells.
3. Subsea Construction: Provides stable positioning for deploying or retrieving subsea equipment.
4. Offshore Maintenance: Tracks and aligns with moving subsea targets during inspection or repair tasks.

Advantages of Operational Radius

• Precision Control: Ensures the vessel remains within an optimal range, enhancing operational efficiency.
• Safety Enhancement: Prevents the vessel from drifting too close to hazards or losing alignment with the target.
• Flexibility: Allows operators to adapt the radius to the specific demands of the task or environment.

Challenges and Considerations

• Environmental Factors: Strong currents or high winds may challenge the system’s ability to maintain the set radius.
• Operator Input: Requires careful configuration and monitoring to ensure effective use.
• Sensor Accuracy: Relies on accurate positional data from tracking systems to define and maintain the radius.

Lerus Training: Expertise in Advanced DP Operations

At Lerus Training, we provide in-depth training on Operational Radius and its role in Follow Target and Follow Sub modes within Dynamic Positioning (DP) systems. Our courses include:

• Practical exercises in configuring and managing operational radius settings for various offshore scenarios.
• Understanding the integration of tracking systems and DP functions.
• Strategies for troubleshooting and optimizing performance during real-time operations.

With expert instructors and advanced simulation tools, Lerus Training ensures participants are equipped to handle the complexities of DP operations with confidence and precision.