Offshore Aquaculture System with Dynamic Positioning and Automated Feeding
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Solution Overview
Problem
Aquaculture systems face challenges in open ocean environments due to severe currents, waves, and weather conditions, which can lead to equipment damage and fish mortality, and existing systems are limited by the need for controlled feeding and space, especially with large fish populations.
Innovation Solution
A novel aquaculture system featuring a containment system with a storage unit anchored to the sea bed, current and debris deflectors, and flexible positioning of fish cages to adapt to currents, along with a fish feed tank that can rotate and distribute feed efficiently, minimizing wave and wind effects and providing stable feeding in harsh conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If aquaculture systems are placed in open ocean environments, then access to new locations and water flow benefits are achieved, but severe currents and waves cause equipment damage and fish mortality
Solution Approach 1:
The system employs dynamic positioning capabilities where the entire aquaculture structure can rotate and adjust its orientation to face into waves and currents, minimizing their impact on the cages and fish. The platform is designed to move and adapt to changing ocean conditions rather than remaining completely fixed.
Solution Approach 2:
The system converts the harmful force of ocean currents and waves into beneficial effects by using wave energy converters and current turbines to generate electricity, powering the aquaculture operations. The same forces that could damage the system are harnessed to provide energy.
2Productivity
If fish cages are densely populated to increase productivity, then food requirements increase, but manual feeding becomes impractical and automated systems face weather-related failures
Solution Approach 1:
The automated feeding system uses sensors to monitor fish population, water conditions, and feeding patterns, then automatically dispenses appropriate amounts of feed without human intervention. The system self-adjusts based on real-time data from various sensors throughout the cages.
Solution Approach 2:
Manual mechanical feeding operations are replaced with automated electronic control systems that can operate independently of weather conditions, using programmable logic controllers and automated dispensing mechanisms to deliver feed consistently.
3Stability of the object's composition
If aquaculture systems are anchored in fixed locations for stability, then feeding control is maintained, but the system cannot adapt to changing current conditions
Solution Approach 1:
The anchoring system incorporates dynamic elements that allow the structure to rotate and reposition itself relative to current directions while maintaining its anchored position. The system can actively adjust its orientation to optimize water flow through the cages and minimize the impact of strong currents.
4Productivity
If feed storage units are positioned for easy access, then feeding efficiency improves, but exposure to wave and wind conditions causes damage
Solution Approach 1:
The feed storage system is positioned below the water surface or in protected compartments shielded from direct wave and wind exposure, while still maintaining efficient feeding operations through submerged or protected access points and automated dispensing mechanisms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system allows for sustainable fish farming in open ocean conditions by reducing the impact of currents and waves, ensuring stable feeding, and accommodating large fish populations while maintaining system integrity and efficiency.
Implementation Method 1
a current and debris deflector connected to the single point connection for dampening current and waves
Implementation Method 2
flexible positioning means enabling the cages to move relative to one another while remaining as a unit
Data Source
AI summary
The present invention provides for an off-shore unitary fish farming apparatus, including: a plurality of floatable fish containers aligned sequentially having attachment means for flexibly connecting the containers to maintain the containers in a predetermined relationship to one another, a dampening means attached to at least one of the containers to reduce current and wave and also deflect any floating debris away from the containers, a fish feed tank for holding, mixing and distribution of fish feed slurry to each of the plurality of fish containers, the fish tank having a securing means for attaching the dampening means to the tank; a feed dispenser for radially dispensing fish feed in the container directly beneath the water surface, anchor means to anchor the apparatus to an aquatic floor, the anchor means allowing radial movement of the tank around an anchor position and a crane mounted on the fish feed tank.