Multi-rig bottom trawling can negatively impact the seabed, and the bottom contact forces contribute to the total towing resistance. Lifting the doors from the seabed can reduce some of the trawl gear’s influence on the seabed and save fuel costs. In this study we evaluated a simple reference controller designed to control a trawl door’s distance from the seabed. This was achieved by providing desired warp lengths to a controller, which then regulated the distance via a low-pressure hydraulic winch. The reference controller algorithm uses an anti-windup proportional-integral controller with saturation of winch acceleration and speed. Herein, we present results of a full-scale sea trial conducted using a triple shrimp trawl with trawl doors towed close to the seabed. Our results demonstrate the feasibility of controlling the trawl doors’ altitude above the seabed using only winch-actuated feedback.
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ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering
June 25–30, 2017
Trondheim, Norway
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5774-8
PROCEEDINGS PAPER
A Winch Reference Control System for Semi-Pelagic Triple Trawling: With Full-Scale Sea Trials
Joakim Haugen,
Joakim Haugen
SINTEF Ocean, Trondheim, Norway
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Eduardo Grimaldo,
Eduardo Grimaldo
SINTEF Ocean, Trondheim, Norway
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Svein H. Gjøsund
Svein H. Gjøsund
SINTEF Ocean, Trondheim, Norway
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Joakim Haugen
SINTEF Ocean, Trondheim, Norway
Eduardo Grimaldo
SINTEF Ocean, Trondheim, Norway
Svein H. Gjøsund
SINTEF Ocean, Trondheim, Norway
Paper No:
OMAE2017-61167, V07BT06A025; 10 pages
Published Online:
September 25, 2017
Citation
Haugen, J, Grimaldo, E, & Gjøsund, SH. "A Winch Reference Control System for Semi-Pelagic Triple Trawling: With Full-Scale Sea Trials." Proceedings of the ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. Volume 7B: Ocean Engineering. Trondheim, Norway. June 25–30, 2017. V07BT06A025. ASME. https://doi.org/10.1115/OMAE2017-61167
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