10 results about "Tuna" patented technology

The application discloses a short-term accurate prediction method for tuna longline fishing center fishing ground and hooking route based on middle layer water temperature and ocean current spatial characteristics, and has the characteristics that the fishing ground position is accurately predicted according to the spatial vortex characteristics of the middle layer water temperature (reference 100m water layer, auxiliary reference 50m water layer) and the ocean current (preferably the ocean current of the 100m water layer, auxiliary reference the ocean current of the 50m water layer), and the hooking route is designed according to the method that the hooking route is maximally 90 degrees with the 100m water layer ocean current. The application can accurately predict the fishing ground position and the hooking route by combining the marine environment and the tuna longline fishing boat operation characteristics, and can improve the catch by 10-20% and improve the production effect.

1. Name of the product in this design: Water Field Wheel (Tuna). 2. Purpose of this design: for paddy field cultivation. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Other situations requiring explanation: This design is a similar design, wherein Design 1 is the basic design, and Designs 2, 3, 4, 5, 6, 7, 8, and 9 are similar designs to Design 1.

The application discloses the technical field of aquatic product sorting, and relates to a tuna visual identification and dynamic sorting device, which comprises a clamping type conveying mechanism, a suspension type rotary conveying mechanism, a visual detection system, a sorting mechanism and a plurality of clamping jaw assemblies. The clamping type conveying mechanism is used to realize sequential feeding and equal-interval arrangement of tuna, and eliminate image overlapping from the source. The suspension type rotary conveying mechanism is used in cooperation with the clamping jaw assemblies to realize impact-free transfer of tuna between different stations and guarantee the integrity of the skin of the tuna. The visual detection system is used to effectively extract weak local features and adopt a high-precision identification algorithm that is adaptive to frost interference. The organic combination and collaborative work of the plurality of mechanisms systematically solve the technical problems of low identification precision, discontinuous conveying and poor grading efficiency in the automatic grading process of tuna in the prior art, and realize full-process automation, rhythmization and fine operation from species identification to size sorting.

1. Name of the designed product: TUNA. 2. Use of the designed product: for underwater power propulsion. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view.

1. Name of the product in this design: Fish bait (thousand-legged t-tail). 2. Purpose of this design: Fish bait for fishing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses a tuna blood and meat separating and collecting tool which comprises a handle, a roller, a locking structure and an adsorption roller used for extruding tuna meat and adsorbing tuna blood, one end of the handle is used for being held by hand, the other end of the handle is rotatably connected with the roller, and the adsorption roller comprises a cylinder body coaxially and detachably connected to the roller. A limiting groove is formed in one end of the barrel, the locking structure comprises a fixing plate and a plug pin, the fixing plate is arranged at the end, close to the limiting groove, of the barrel and fixedly connected with the handle, a mounting hole is formed in the fixing plate, the plug pin penetrates through the mounting hole and is in sliding connection with the mounting hole, and the plug pin can be inserted into the limiting groove. Therefore, the adsorption roller is locked. The utility model provides a tuna blood-meat separation and collection tool which reduces fish meat loss and facilitates recovery of fish blood.

The application discloses a tuna underwater non-contact three-dimensional reconstruction system and method, and relates to the technical field of intelligent aquaculture.The system comprises an underwater image acquisition device and a data processing terminal for receiving image data and executing a three-dimensional reconstruction algorithm.The method comprises the following steps: acquiring multi-view RGB images of tuna; using a depth estimation network to infer initial point clouds and a depth map, thereby solving the problem of underwater weak texture matching; constructing a radiation field representation based on a plane Gaussian, using the initial depth map as a geometric prior constraint, optimizing Gaussian parameters through unbiased depth rendering and geometric regularization, and reconstructing a high-fidelity surface; and using the physical size of a semicircular frame to calculate a scale factor and extract a tuna three-dimensional grid model with a real physical scale.The application uses the above-mentioned tuna underwater non-contact three-dimensional reconstruction system and method to solve the problem that tuna cannot be measured by contact due to the need for continuous swimming, and realizes high-precision and real-scale fish body monitoring.

The invention discloses a steel wire rope real-time online monitoring method and system based on an intelligent sensor, and relates to the technical field of steel wire rope monitoring. According to the method, a plurality of collection points are arranged on a steel wire rope path, and pretreatment modes such as time synchronous correction, band-pass filtering, tension difference extraction and Z-score standardization are combined; the effective energy level index Elive of the pulse source capable of reflecting the in-vivo pulse energy characteristics of the deep-sea giant tuna is established. A pulsation amplitude item is constructed by adopting a peak-to-peak value P2P, a dispersion item is constructed by using a standard deviation of a real-time tension difference sequence, and a ratio of the pulsation amplitude item to the dispersion item is used as an expression structure of an effective energy level index of a pulsation source, so that the identification capability of the pulsation of a living body on the tension of the steel wire rope can be remarkably improved; effective distinguishing from sea condition disturbance, ship body swing and other pseudo signals is achieved. According to the processing mode, the defect that in the prior art, the non-uniform pulsating type load is difficult to recognize only depending on single-point tension or RMS indexes is overcome.

The application discloses a kind of steel wire rope real-time online monitoring method and system based on intelligent sensor, it is related to steel wire rope monitoring technical field, the method is by setting multiple collection points on steel wire rope path, and combining time synchronization correction, band-pass filtering, tension difference extraction and Z-score standardization etc., establishes the pulsation source effective energy level index Elive capable of reflecting the pulsation energy characteristic of deep-sea giant tuna live body.The peak-peak value P2P is used to construct the pulsation amplitude term, and the standard deviation of real-time tension difference sequence is used to construct the dispersion term, and the ratio of the two is used as the expression structure of the pulsation source effective energy level index, so that the application can significantly improve the identification ability of live body pulsation on steel wire rope tension, and effectively distinguish from sea state disturbance, ship body swing and other pseudo signals.The processing method not only overcomes the defect that the existing technology only relies on single-point tension or RMS index to identify non-uniform pulsation type load.