Case Study: Radar Sensor Enhances Marine Foiling Vessel Control

Foiling Vessel Lift Control Enhanced with Fast Response Radar Sensor

A manufacturer of high-speed foiling vessels needed a sensor to monitor the distance between the hull and the water surface. This data is critical for real-time lift control and vessel stability.

Challenge

The sensor had to operate in challenging marine conditions—waves, wind, condensation, and salt water exposure—while delivering accurate measurements suitable for real-time performance optimization. Existing sensors lacked the necessary response time and durability.

Solution

ABM’s non-contact radar level sensor was selected for its speed and environmental resilience. Operating at 10–30 echoes per second, it provided real-time distance data, unaffected by wind or spray. A 316L stainless steel housing with a horn antenna ensured reliable performance in harsh marine conditions.

Results

Installed beneath the vessel, the radar sensor continuously measures hull-to-water distance. This data feeds directly into the control system, enabling dynamic lift adjustments during operation.

Key Benefits

  • Fast Response: Rapid, real-time feedback for precise system control
  • Environmental Durability: Corrosion resistant materials and robust design withstand harsh marine conditions
  • Seamless Integration: Modbus RTU protocol or 4-20 mA current output enable seamless integration with existing control systems

Figure 1: Radar sensor horn antenna installed behind sight glass, measures distance from the hull to the water surface.

Conclusion

ABM’s fast-response radar level sensor proved to be a reliable and effective solution for monitoring lift height on foiling vessels. The sensors ability to deliver accurate, real-time data in harsh marine environments made it a critical component in improving the vessels performance, stability, and control.

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