466results about How to "Accurate operation" patented technology

The invention provides double-arm picking equipment for shelf-type planted shiitake mushrooms and an operation method thereof. The double-arm picking equipment comprises a moving platform, the upper portion of the moving platform is connected with a chassis, and a lifting device, a shiitake mushroom storage device and a shiitake mushroom picking device are arranged above the chassis. Through mechanical automatic mushroom stick fixing and mushroom picking, intelligent identification, picking and placing of mushroom sticks on a shelf and identification and picking of mushrooms on the mushroom sticks can be carried out at the same time, planting areas can be traversed automatically, the mushroom picking speed is increased, and labor and time cost is saved. Three-dimensional scanning is carried out through the depth camera vision system, the position and size of the mushroom sticks and the maturity of mushrooms can be accurately recognized, and it is ensured that the quality of picked mushrooms is high. The lifting device adjusts the height of the mechanical arm and cooperates with a visual system, picking and mushroom stick processing are more accurate, damage to mushrooms and mushroom sticks is reduced, mushroom picking automation is achieved, operators do not need to put physical labor heavily, and the workload is relieved.

The invention relates to a target driving movement grabbing control method used in a multi-scene environment, and the method comprises the steps: inputting an RGB-D sampling sequence of multiple sub-scenes, and initializing a 3D Gaussian model of the whole scene through employing a sparse 3D point cloud with semantics; acquiring an approximate pose of the target by querying coarse-grained Gaussian, navigating the mobile chassis to approach the target, and narrowing a pose estimation range of the target to a corresponding sub-scene; in the moving process, fine-grained gauss are optimized through diffusion-based depth completion, and the accurate pose of the target is obtained; gaussian editing is conducted on the fine-grained Gaussian model, and the robot operation end point pose is obtained through Gaussian repairing; and according to the operation starting point pose and the operation end point pose of the robot, a robot mechanical arm is controlled to complete corresponding actions. Compared with the prior art, the method has the advantages that rough scene prior and fine pose estimation are combined, efficient and accurate multi-scene moving grabbing control can be achieved, and it is ensured that the robot can accurately execute tasks in the complex multi-scene environment.

The invention discloses a visual tracking and real-time guiding robot and conveying belt following method, and belongs to the technical field of book packaging, the visual tracking and real-time guiding robot and conveying belt following method comprises a conveying belt device used for conveying articles and having adjustable running speed and direction control functions; the robot main body is arranged on one side of the conveying belt device; the fixed vision device is connected with the robot main body; through cooperative work of the robot vision module and the independent fixed vision device on the robot body, all-directional vision coverage of the conveying belt and the surrounding environment is achieved, and the robot vision module focuses on local detail information of the robot and objects on the conveying belt; the relative position and posture change of the robot and an object can be captured in a close-range and high-precision mode in the operation process of the robot, and the fixed vision device continuously monitors the overall condition of the conveying belt from the overall perspective.

The invention discloses a simulation training method and system for a minimally invasive surgery in the obstetrics and gynecology department, and relates to the technical field of virtual reality, and the method comprises the following steps: obtaining related medical data on a patient in the obstetrics and gynecology department, and carrying out the preprocessing of a medical image; the processed two-dimensional image is converted into a three-dimensional model, an operation scene is constructed, and the anatomical model of the patient in the obstetrics and gynecology department and the scene are fused; generating a plurality of operation planning schemes, calculating an operation difficulty coefficient Nd of each operation scheme, and determining an optimal operation scheme according to the size of the operation difficulty coefficient Nd; establishing an interactive interface between the doctor and the virtual operation scene, and recording various indexes of the doctor in the simulated operation process; after the simulated operation is finished, the operation is analyzed, an operation analysis report is generated, and the simulated operation is evaluated and optimized; through virtual reality minimally invasive surgery simulation, the misoperation risk in a real surgery can be reduced, so that the operation error rate in the surgery is reduced.

The invention discloses a primer pair and a method for identifying a new Oudemansiella oosporoides strain HCS, and belongs to the technical field of specific molecular markers, the preservation number of the new Oudemansiella oosporoides strain HCS is CGMCC NO.41593, and the sequences of the primer pair Y6-F1 / Y6-R2 are as shown in SEQ ID NO.2 and SEQ ID NO.3. The specific method comprises the following steps: extracting DNA of an Oudemansiella oosporoides strain to be detected; carrying out PCR (Polymerase Chain Reaction) amplification by taking the extracted DNA of the sample to be detected as an amplification template and a molecular specific labeled primer consisting of the sequence shown by the primer as an amplification primer; and carrying out agarose gel electrophoresis detection on the PCR product. The primer pair has the advantages that the primer pair can be used for quickly identifying the strain HCS, the operation is simple and convenient, the specificity is strong, the accuracy is high, and a technical basis is provided for protecting a new variety of the strain HCS.

The invention discloses an AED intelligent first-aid management system based on the Internet of Things, and relates to the technical field of first-aid management, and the system comprises a data collection and transmission module, a first-aid decision support module, a resource scheduling and cooperation module, and a first-aid training and evaluation module. The first-aid decision support module processes acquired data by using big data analysis and an artificial intelligence algorithm, quickly judges the type and severity of cardiac arrest, generates a personalized first-aid scheme and pushes the personalized first-aid scheme to first-aid personnel equipment, and the resource scheduling and collaboration module tracks AED equipment and personnel information in real time, plans and deploys a path and an attendance route in combination with road conditions, and sends the path to the first-aid personnel equipment. The system is connected with a hospital system to realize efficient cooperation of first aid; through deep fusion of the Internet of Things technology, big data and artificial intelligence, an efficient and intelligent AED first-aid management system is constructed, the first-aid response speed and success rate are remarkably improved, and precious treatment time is won for patients.

The invention relates to the technical field of medical instruments, and discloses a pedal control type urinary surgery ureteroscope perfusion pressure pulse adjusting device which is characterized in that the piston head in the middle of three groups of piston heads is inserted into a liquid injection cavity, and the piston heads on the two sides are inserted into a pressure cavity; the three sets of piston heads can inject liquid and high-pressure gas into the control valve cavity from the liquid injection cavity and the pressure cavity. A pedal control mechanism is innovatively introduced, a worker treads a pedal frame in a reciprocating mode, controls liquid to clean a lens and flushes broken stones in a matched mode, the rhythm of treading flushing can be better controlled through autonomous reciprocating treading of a doctor, the situation that an assistant needs to repeatedly use an injector and an extension tube for pushing injection in a traditional urinary surgery is avoided, and the working efficiency is improved. The problems that doctors need to be frequently matched with nurses, the examination concentration of the doctors is easily affected are solved, operation is more efficient, and the problem that the injectors are repeatedly replaced is solved.

The invention discloses assembly and production of a fluid power system in the transformer industry, and aims at providing a semi-intelligent assembly production line and method for a disc type oil pump, and the key points of the technical scheme are that the semi-intelligent assembly production line comprises a bearing plate on which a worker assembles the disc type oil pump; the conveying belt mechanism is used for conveying the bearing plate; the lifting device is connected with the conveyor belt mechanism; the stations are arranged at the designated positions of the conveying belt mechanism and used for assembling the disc type oil pumps step by step. The limiting devices are arranged on the upper U-shaped conveying belt, located at all the stations and used for stopping the bearing plates from moving; the trays are arranged beside the specified stations and are used for placing various parts of the disc type oil pump; the trolley is used for transporting the tray to a designated station; the hoisting mechanism is used for moving the assembled disc type oil pump to a designated position; the method is suitable for the technical fields of mechanical engineering, automation technology, intelligent manufacturing, fluid dynamics, electrical engineering, production engineering and the like.

The utility model discloses a curve pipe jacking auxiliary deviation rectifying device which comprises a driving vehicle body and a hollow disc, a moving mechanism is arranged in the driving vehicle body, a positioning mechanism, a driving mechanism and a deviation rectifying mechanism are arranged on the top of the driving vehicle body, the moving mechanism is a bottom wheel, and a plurality of bottom grooves are formed in the bottom of the driving vehicle body. A set of fixing rods are fixedly connected into the driving vehicle body, a set of side plates are rotationally connected to the outer walls of the two ends of each fixing rod, the bottom ends of the side plates extend out of the bottom grooves and are fixedly connected with the bottom wheels, and T-shaped sliding grooves are formed in the bottom of the driving vehicle body. Through the arranged moving mechanism, a first driving motor works to enable a two-way threaded rod to rotate under the meshing action of a group of first bevel gears, so that a group of first threaded sleeves move left and right on the outer wall of the two-way threaded rod, and a group of connecting rods are pushed outwards by a certain angle under the action of a rotating plate; and the inclination angle of the set of bottom wheels can be conveniently adjusted, and damage caused by different pressures borne by the bottom wheels in the jacking pipes with different diameters is prevented.

The invention belongs to the field of humanoid robots, and discloses a humanoid hand two-finger grabbing multi-mode mechanism for multi-mode movement of a grabbed object, which comprises a humanoid palm base frame, a first finger kinematic chain and a second finger kinematic chain, the first finger kinematic chain comprises a plurality of first finger joint rotating pairs, and the second finger kinematic chain comprises a plurality of second finger joint rotating pairs; the first finger kinematic chain comprises a plurality of first finger joint rotating pairs, the rotating axes of the first finger joint rotating pairs have at least two different extending directions, the second finger kinematic chain comprises a plurality of second finger joint rotating pairs, and the rotating axes of the second finger joint rotating pairs have at least two different extending directions. A first finger kinematic chain and a second finger kinematic chain which clamp a predetermined object are used as a multi-mode switchable connecting rod mechanism, and a transition mode posture and three pinching motion modes of a plane 4R mechanism, an orthogonal Bricard mechanism and a plane symmetry 6R mechanism are formed through motion of a plurality of mechanism rotation pairs. A clamped object achieves 4R connecting rod curve track movement, orthogonal Bricard mechanism space connecting rod curve track movement and plane symmetry 6R mechanism connecting rod curve track movement, and all modes can be switched through transition modes.

The utility model relates to the technical field of feeding devices, in particular to an intelligent sodium carbonate and acetic acid proportioning and feeding device, which comprises a feeding platform and is characterized in that a sodium carbonate feeding device is arranged on one side of the feeding platform, a sodium acetate feeding device is arranged on the other side of the feeding platform, and the sodium carbonate feeding device and the sodium acetate feeding device respectively comprise a stock bin. A feeding pipe is arranged in the center of the top of the stock bin, a filtering assembly is arranged on the top of the feeding pipe, a metering valve is arranged at the junction of one side of the bottom of the feeding pipe and the stock bin, a monitoring sensor is arranged on one side of the stock bin, the bottom of the stock bin is connected with a mixing assembly, and the bottom of the mixing assembly is connected with a reaction kettle. High efficiency and automation are achieved, the complexity of manual operation is reduced, and the production efficiency is improved; the proportioning is accurate: through the associated cooperation of a high-precision metering valve, a monitoring sensor and a control box, the adding amount and the proportioning of sodium carbonate and acetic acid can be accurately controlled, and the stability of the product quality is ensured; the operation is simple.

The invention provides a reinforcing device for a fabricated steel structure column and a construction method thereof.The reinforcing device comprises a bottom unit detachably connected with the ground through a connecting piece, the bottom face of the steel structure column is pressed on the bottom unit, and the bottom unit is provided with a clamping assembly used for being supported on the inner wall of the steel structure column; reinforcing units used for being clamped to the outer wall of the steel structure column are arranged on the two sides of the clamping assembly correspondingly, the height of each reinforcing unit is adjusted through a vertical driving assembly, and the distance between the two reinforcing units is adjusted through a transverse driving assembly. The bottom face of the steel structure column is completely attached to the bottom unit, the contact area of the bottom face of the steel structure column and the ground is indirectly increased, and therefore the overall stability of the steel structure column during installation and use is improved. The reinforcing positions of the reinforcing units and the steel structure columns are adjusted through the vertical driving assemblies, reinforcing of the reinforcing units and the steel structure columns with different inner diameters can be adjusted through the transverse driving assemblies, the application range is wide, and operation is accurate.

The invention relates to the field of automatic control, in particular to an electric actuator control system and an electric actuator thereof, which comprise a working condition parameter detection module, a working condition matching module, a torque adjusting module, a valve control module, an overload protection module, a protection performance detection module, a protection performance analysis module and a management database, the torque coefficient corresponding to the valve type is obtained according to valve type matching, the expected torque value of the valve is obtained by combining the torque coefficient corresponding to the fluid parameter, the valve torque value is adjusted accordingly, the deviation distance of the valve detection point is obtained through the coordinate position, and therefore the valve position is adjusted. Whether the electric actuator is overloaded or not is judged and processed by analyzing the load degree of the electric actuator, the protection performance of the electric actuator is obtained by analyzing the protection performance parameters of the electric actuator and fed back, accurate control and adjustment are achieved, and the safety and stability of the system are enhanced.

The invention provides an internal polygonal nut tightening device which comprises a vertical seat, a lifting mechanism and a discharging mechanism, the lifting mechanism and the discharging mechanism are arranged on the vertical seat, a tightening gun is arranged on a lifting seat of the lifting mechanism, a screwdriver head is arranged at the output end of the tightening gun, a buckle locking assembly is arranged on the screwdriver head, and the screwdriver head and the buckle locking assembly are matched to position, take materials and tighten nuts. The discharging mechanism is arranged below the tightening gun and comprises a discharging base and an unlocking ejector rod arranged in the middle of the discharging base, the unlocking ejector rod is connected with the discharging base in a sliding mode, and when the unlocking ejector rod or a rotating shaft of the workpiece is inserted into the screwdriver bit, locking of the buckle locking assembly on the nut can be relieved. By means of the screwdriver bit and the buckle locking assembly, the nut is automatically locked and taken in the taking process, locking is relieved through a workpiece in the screwing process, the inner polygonal nut can be automatically assembled, the structure is simple, operation is convenient, fast and accurate, and the production efficiency and the production quality are improved.

The invention provides a water conservancy safety detection method based on AI edge calculation, and the method comprises the steps: deploying a sensor in a water conservancy system according to the installation and coding of the sensor, coding the sensor, and recording the geographic position information and measurement physical quantity of the sensor; setting measurement parameters, and setting a measurement interval value and a threshold value of each sensor; data linkage setting: defining data linkage selection data, and triggering pump IO output when the data reaches a specific interval threshold value; the method comprises the following steps: monitoring sensor data in real time, if the data is abnormal, starting a video AI to check, comparing whether the result is consistent, if the video AI confirms that the sensor data is abnormal, intercepting a real-time video as sample data, sending the sample data to a cloud server, triggering a corresponding alarm according to the abnormal condition, and notifying related personnel to process. The accuracy and timeliness of abnormal condition detection are improved, and a powerful guarantee is provided for safe operation of a water conservancy system.

The invention provides an agaricus bisporus picking sequence planning method based on YOLOv8-USD instance segmentation and 3D point cloud, and the method comprises the steps: processing color image information through employing a YOLOv8n-USD instance segmentation algorithm, and generating a segmentation mask corresponding to label information; performing registration on the generated segmentation mask and the corresponding depth image to generate a 3D point cloud; morphological processing is conducted on the color images, the circle center and the radius of each mushroom are calculated, whether picking is needed or not is judged according to the radius, and picking and sorting of the agaricus bisporus are achieved; mapping the circle center and radius information of the mushrooms into the 3D point cloud through the depth image, performing rapid neighbor search by using a KD tree, and segmenting the mushrooms in each mushroom cluster; a global picking sequence planning strategy and a local picking sequence planning strategy are provided, the global picking sequence strategy is used for carrying out classification and priority ranking on different types of agaricus bisporus clusters, and the local picking sequence strategy is used for planning the picking sequence of each mushroom in the mushroom clusters. The picking sequence can be adjusted according to the overlapping degree of agaricus bisporus.

The invention relates to the field of medical instruments, in particular to a detection system for assisting accurate positioning of chest lesions, which comprises a data acquisition module for acquiring preoperative CT image data; the three-dimensional reconstruction module is used for converting into a three-dimensional model; the coordinate construction module is used for establishing a unified virtual coordinate system and determining key positioning points; the virtual cutting module is used for simulating different paths and angles to perform pathological section on the three-dimensional model; the image tracking module is used for capturing image data in the body of the patient in real time during an operation and fusing the image data with the three-dimensional model based on the key positioning points; the image processing module is used for carrying out image acquisition and processing on the pathological section; and the space verification module is used for carrying out space position matching on the image data and the three-dimensional model and calculating the similarity between the image and the corresponding region and the overlap ratio index of the lesion position. The objective of the invention is to realize accurate spatial position correspondence between the lesion area in the preoperative CT image and the actual resection pathological section in the operation.

The invention provides a membrane flap, a biopsy valve and an endoscope, and relates to the field of medical instruments.The membrane flap comprises the membrane flap, the membrane flap is provided with a first surface and a second surface, the second surface faces one side of an instrument tube, and the first surface is located on one side away from the second surface; the membrane flap is provided with a slit and a guide slit, the slit penetrates through the first surface and the second surface, the guide slit is connected with the slit and extends from the slit to the side deviating from the slit, and the guide slit only penetrates through the second surface but does not penetrate through the first surface; and the thickness of the membrane flap at the slit is greater than that of other areas of the membrane flap. Compared with the prior art, the air leakage phenomenon caused by an irregular opening is effectively reduced, whistling generated by membrane flap vibration is remarkably reduced, the sealing performance and the use stability are enhanced, and the operation effect of an endoscope in an operation is improved.

The embodiment of the invention relates to the technical field of network security, and discloses a security protection method, a security protection system and electronic equipment. The security protection method applied to the terminal comprises the steps that when a target operation for a local sensitive file occurs, the target operation which occurs currently is recorded, an association relationship with the local sensitive file is generated, and after the target operation is completed, the local file of the terminal can change; and when the file is sent out, managing and controlling the operation of the currently sent-out file according to the recorded target operation and the association relationship. According to the method and the device, the data security of the terminal is guaranteed by more comprehensively and accurately managing and controlling the file outgoing on the terminal under the condition of not influencing the user experience, so that the construction of the zero-trust architecture is better supported through the safer terminal.

A filter assembly sealing detection device disclosed by the present invention comprises a synchronous driving device, an automatic loading and unloading assembly, a pressure detection assembly, a water immersion detection assembly and a PLC console, the synchronous driving device comprises a lifting carriage and a lifting toothed bar, and the automatic loading and unloading assembly comprises a chain plate type conveyor and a sliding material seat assembly. The pressure detection assembly and the water immersion detection assembly are arranged on the surface of the lifting sliding frame and the inner wall of the chain plate type conveyor respectively. According to the invention, comprehensive automation of the sealing performance detection of the filter assembly is realized, an efficient loading and unloading operation function is integrated, the labor intensity of workers is greatly reduced, the working efficiency is remarkably improved, and the application of the automation technology effectively reduces human errors and loss in the production process, so that the production cost is reduced, and the production efficiency is improved. The introduction of the automatic production line remarkably improves the overall productivity of the production line, so that enterprises can quickly respond to market requirements, and the market competitiveness is improved.

The invention discloses a resveratrol microcapsule and a preparation method thereof. According to the resveratrol microcapsule, cross-linked protein is used as a microcapsule wall material, resveratrol is used as a microcapsule core material, and the mass ratio of the cross-linked protein to the resveratrol is (6-14): 1. According to the invention, the gluten protein and the peanut protein are used as raw materials, and the cross-linked protein prepared by an ultrasonic-assisted enzyme method is used as a wall material, so that the chemical stability, the water solubility and the bioavailability of the resveratrol can be improved. According to the method, the gluten protein and the peanut protein are used as raw materials, and an ultrasonic-assisted enzyme method is matched, so that intramolecular and intermolecular crosslinking of heterologous protein is realized, the protein forms a spatial network structure, the thermal stability and water (oil) holding capacity of the protein are improved, the emulsibility and foamability of the protein are improved, and the quality of a protein product is improved. Compared with single protein embedding, the cross-linked protein can achieve a better protection effect on the resveratrol.

The invention relates to the technical field of automatic welding of metal furniture, and discloses an automatic welding method for metal furniture. The cutting side faces are flexibly selected to meet different machining requirements, the design flexibility is enhanced, and the machining efficiency and accuracy are improved. A reference side face is set to ensure accurate cutting, errors are reduced, and a solid foundation is laid for welding assembly. Intersected edges are accurately compared, cutting points are positioned, it is ensured that the cutting shape conforms to design, and structural stability is improved. The vertex position is defined, the cutting boundary is defined, a clear cutting path is formed, and the cutting accuracy is improved. The sections of the pipes are spliced and welded after cutting, so that strong connection is realized, and the structural integrity and bearing capacity are enhanced. Tangent plane coincidence is ensured, the welding quality is improved, and the connection firmness is enhanced. And measuring and adjusting after welding to ensure that the product quality reaches the standard. The process not only improves the production efficiency, but also ensures the accuracy, stability and high quality of the product.

The present invention belongs to the technical field of medical devices, and discloses a multi-angle femoral osteotomy guide capable of protecting ligaments and a method of using the same, wherein the multi-angle femoral osteotomy guide capable of protecting ligaments comprises a gap positioning block and an osteotomy guide, wherein the gap positioning block extends in one direction and is configured with a positioning direction consistent with the direction, the gap positioning block has a positioning end and a mounting end sequentially arranged along the positioning direction, and the femoral osteotomy guide can be inserted into the bone joint along the positioning direction through the positioning end; the osteotomy guide is detachably slidably connected to the mounting end of the gap positioning block, and can be moved along the positioning direction on the gap positioning block, so that the gap positioning block can be detached from the osteotomy guide in a direction opposite to the positioning direction. The present invention adopts a connection structure in which the gap positioning block and the osteotomy guide can be installed and detached along the positioning direction, so that the oscillating saw will not touch the ligament when osteotomizing the distal end of the femur, thereby effectively protecting the ligament.

The invention relates to a live broadcast picture transmission system for unmanned aerial vehicle pull line construction, which is characterized in that high-definition video data shot by an unmanned aerial vehicle is spread through a 5G mobile base station and a cloud streaming media server under the challenge of complex terrains and weather conditions; an operation interface of the unmanned aerial vehicle and an operation interface of the take-up winch are integrated on a video live broadcast picture, so that the take-up process of the traction rope can be better monitored and controlled; the position coordinates of the traction rope in the same coordinate system are calculated through a catenary equation and the initial position coordinates of the traction rope between the unmanned aerial vehicle and the power tower, so that the unmanned aerial vehicle can be aligned with the traction rope all the time in the flight take-up process according to the preset path, and the unmanned aerial vehicle can be conveniently taken up. The high efficiency and safety of the traction rope recovery process are ensured; the traction rope can be continuously tracked when the traction rope is blown to be deflected by strong wind; according to the method, the alignment mode of the camera can be automatically switched for two scenes of flying to the power tower and crossing the power tower, and accurate operation during power tower crossing is ensured.

The invention discloses a method for post-root canal therapy resin closure retreatment in a medullary cavity, and relates to the technical field of root canal therapy, and the method comprises the following steps: S1, pre-operation sampling; s2, removing the restoration and other materials: removing the restoration on the surface of the dental crown and the resin sealing material in the medullary cavity by using a material removal technology and a tool, wherein the material removal technology and the tool comprise a grinding device with a sensor or a laser technology; s3, re-cleaning and disinfecting the root canal: after cleaning the root canal, using a root canal disinfection drug added with nano-silver particles, and mixing the nano-silver particles with traditional disinfection drugs such as calcium hydroxide paste; s4, filling and re-treating: blending the color of the resin by using a computer color matching technology before filling the medullary cavity; the system further comprises an intelligent design monitoring platform. According to the invention, a grinding device with a sensor or a laser technology is adopted, so that the damage to tooth tissues, especially key parts, is remarkably reduced, and the treatment safety and accuracy are improved.

The invention discloses double-station winding equipment and a winding method for TPE (thermoplastic elastomer) products. The double-station winding equipment comprises a winding device and a traction cutting device on the front side of the winding device, the rolling device comprises a rolling rack, an overturning support and a pair of rolling shafts, the overturning support is arranged on the rolling rack in a mode of overturning around a first center line, the pair of rolling shafts are installed on the overturning support in a mode of rotating around the axis of the pair of rolling shafts, and the pair of rolling shafts are alternately overturned to a rolling station on the front side of the rolling device and a roll unloading station on the rear side of the rolling device; the traction cutting device comprises a supporting mechanism, a traction mechanism, a transverse cutting mechanism and a rolling mechanism, the traction mechanism, the transverse cutting mechanism and the rolling mechanism are mounted on the supporting mechanism, and the traction mechanism is used for dragging products from front to back. The roll feeding mechanism comprises a first pressing roller capable of being installed on the supporting mechanism in a swinging mode and a second pressing roller used for pressing and wrapping a product on a rolling shaft of the rolling station, and the roll feeding mechanism and the transverse cutting mechanism are configured to be capable of getting close to and getting away from the rolling station relative to the traction mechanism.

The present invention discloses a dual-branch generative adversarial watermark attack algorithm, which relates to the field of image processing technology and is characterized in that it comprises the following steps: S1: constructing a precise two-branch generative adversarial network architecture, including a detail-preserving generative adversarial network and a watermark attack generative adversarial network; S2: image difference analysis: using a precise two-branch generative adversarial network architecture to perform pixel-by-pixel difference operations between the original image and the watermarked image to extract image details and watermark information, and outputting two independent channels, namely, an image detail map and a watermark information map; S3: generating a detail-preserving image. The present invention can effectively counter existing watermarking technologies while maintaining image quality, provides a new tool for watermark security assessment, and promotes the advancement of watermarking technology.

This invention provides a cup assembly for a food processor, including a cup body, a cup lid, and a processing component disposed within the cup body. It also includes a gearbox, which comprises a movably disposed clutch output shaft. When the clutch output shaft moves to a first position, it drives the processing component to output a first rotational speed; when the clutch output shaft moves to a second position, it drives the processing component to output a second rotational speed. The cup lid is installed in place, maintaining the clutch output shaft in either the first or second position. Furthermore, a food processor with the aforementioned cup assembly is provided. In the first position, the clutch output shaft outputs a first rotational speed to adapt to multi-functional cooking; in the second position, it outputs a second rotational speed to adapt to another multi-functional cooking method requiring a different speed. By changing the position of the clutch output shaft, the processing component can be replaced and the rotational speed can be automatically switched. Moreover, the output speed range is wide and the torque is high, avoiding stalling caused by high processing resistance.

The invention discloses a myocardial rotary cutting system with an inverted puncture needle. The myocardial rotary cutting system comprises a shell, and a rotary cutting device assembly and a negative pressure device assembly are arranged in the shell; the rotary cutting device assembly extends out of the shell, and an inner cavity of the rotary cutting device assembly communicates with an inner cavity of the shell. The side face, away from the shell, of the rotary cutting device assembly is provided with an excision window and a tissue storage chamber, the excision window communicates with an inner cavity of the rotary cutting device assembly, a rotary cutting pipe is arranged in the rotary cutting device assembly, one end of the rotary cutting pipe is connected with a first bevel gear, and a rotary cutting blade is formed at the other end of the rotary cutting pipe. The rotary cutting blade can form continuous axial cutting action relative to the cutting window based on axial rotation; when the rotary cutting pipe shields the cutting window, the cutting window is in a closed state; a puncture needle is arranged in the rotary cutting pipe, and a boss-shaped barb structure is arranged on the puncture needle in a sleeving manner; according to the invention, in a minimally invasive incision state, tissue locking, continuous mechanical rotary cutting and accurate cardiac muscle tissue excision can be realized.

The present invention discloses a CT-guided percutaneous puncture lung nodule cutter, comprising an outer sheath puncture guide needle and a net bag-shaped electromagnetic cutting system, wherein a hollow sleeve is arranged inside the outer sheath puncture guide needle, and the net bag-shaped electromagnetic cutting system is arranged in the space between the outer sheath puncture guide needle and the hollow sleeve, wherein the main body of the net bag-shaped electromagnetic cutting system is made of a tubular polymer shape memory material, and at the same time, the position of the tubular shape facing the tip of the outer sheath puncture guide needle is integrally formed into two net bags; the invention ensures the comfort of patients, the safety of doctors' operation, and the effectiveness of pathological sampling, and allows medical personnel engaged in puncture biopsy to use the pulmonary nodule puncture cutter, which is simple and easy to operate, and has safe and accurate positioning, and significantly improves the success rate of pathological diagnosis of pulmonary nodules, while reducing the economic burden of patients and improving their comfort; it is also conducive to promoting and popularizing CT-guided percutaneous cutting biopsy of pulmonary nodules.