1137results about "Weed killers" patented technology

A pest control system is disclosed comprising an optical, computational, and monitoring subsystem, optionally mounted on a mobile platform. The optical system may include a neutralizing laser or multi-wavelength light source, discovery and detail cameras (optionally stereo), a beam-steering mechanism, tunable focus, and optional thermal or depth sensors. The processor, such as a GPU or FPGA, identifies insect or biological targets, adjusts laser focus by depth, and controls beam activation. A monitoring system verifies safety by detecting humans or other non-target entities using environmental and thermal cameras; if detected, laser firing is inhibited. The mobile platform may use wheels, propellers, tracks, or cables, with GPS and data links for remote control. A visible light pre-flash may induce a blink reflex before firing. In some embodiments, a scouting drone transmits target coordinates to the neutralization unit, enabling coordinated, efficient, and safe laser-based pest control.

An agricultural treatment system can include a laser light source, a redirection component, an exit component, and safety component(s). The laser light source can emit a laser beam within the system in a first direction. The redirection component can be a mirror that can receive the laser beam and redirect it in a second direction toward an agricultural target object outside the system. The exit component can transition the laser beam from within to outside the system and toward the agricultural target object. Safety component(s) can facilitate maximizing the strength of the laser beam at or proximate the agricultural target object while also reducing the strength of the laser beam at locations away from the agricultural target object. Safety component(s) can include a converging lens and a diverging lens, which can be adjusted to locate a focal point of the laser beam at or proximate the agricultural target object.

Methods, devices, and systems, that relate to mechanization of agricultural tasks, including a robotic tool carrier configured to be mounted on a tractor or other type of vehicle and employing imaging and artificial intelligence to perform agricultural tasks, such as pruning, cutting vegetables, or weeding crops.

The present invention relates to the field of image recognition. Provided are a farmland weed detection method and system, and an electronic device. The detection method comprises: collecting a target image containing weeds in farmland; using YOLOv8 based on a RevColNet backbone network to construct a weed detection model, and performing weed recognition on the basis of the weed detection model; and performing precise removal of the weeds. The defects in farmland weed recognition in the prior art of various information of weeds being inadequately described, high recognition accuracy being difficult to obtain, and there being problems such as relatively high calculation complexity, a large number of model parameters and a relatively large model scale are alleviated. The solution in the present application provides a YOLOv8-based improved model, which can more precisely recognize weeds in farmland, and has lower calculation complexity and higher weed recognition efficiency.

The invention relates to a method for passive arc suppression in an electrical treatment of plants, comprising the step: (S400) Applying a pulse-width modulated direct electrical current (I) to the plants.

The invention discloses a system for accurately removing abnormal plants in rice breeding based on intelligent image recognition, and relates to the field of agricultural intelligent equipment.The system comprises an image acquisition module, an abnormal plant detection module and an impurity removal control module, the preprocessing module is used for preprocessing rice field plant images and transmitting the preprocessed rice field plant images into the abnormal plant detection module, the abnormal plant detection module is used for analyzing and processing the rice field plant images and identifying to-be-processed abnormal plants, and the impurity removal control module is used for receiving the positions of the to-be-processed abnormal plants and controlling the impurity removal structure to remove impurities.

The invention provides pulling-out type farmland weeding equipment, and relates to the technical field of weeding equipment.The pulling-out type farmland weeding equipment comprises a movable frame, an adjusting component is arranged in the movable frame, a weeding mechanism is arranged below the adjusting component, the weeding mechanism comprises an outer shell, a lifting component is arranged in the outer shell, and an inner shell is rotationally connected to the bottom end of the outer shell; a motor drives a lead screw to rotate, so that an inner disc and an outer disc vertically move downwards in the direction of the lead screw, when a vertical plate moves downwards, the bottom face of the vertical plate and an outer inclined block correspondingly extrude, the bottom ends of the buckets rotate and converge towards the middle, magnetic protruding blocks pop out under the action of springs A to be clamped into T-shaped grooves, and after the bottom ends of the four buckets converge towards the middle, the magnetic protruding blocks are clamped into the T-shaped grooves. The arc-shaped groove is matched with the spring rod to be in contact and abut against the spring rod to drive the whole to rotate, so that corresponding root soil below grass is completely shoveled up, then the motor rotates reversely to complete lifting and pulling-out work, and finally the purposes of thoroughly cutting off and turning out the root of the weed and avoiding regeneration caused by breakage of the root during straight lifting are achieved.

The invention discloses an agricultural robot laser strike positioning method and device based on a virtual mapping surface, and the method comprises the following steps: S1, constructing a virtual mapping surface for the projection of a coordinate system of a visual system through a calibration board in a to-be-operated scene, establishing a mapping function between projection coordinates on the virtual mapping surface and instruction coordinates of the laser galvanometer through data fitting; s2, dynamically compensating target coordinates acquired in real time according to a built-in attitude sensor of the visual system; and S3, projecting the target coordinate after dynamic compensation to the virtual mapping surface, converting the target coordinate into a preliminary instruction coordinate of the laser galvanometer according to the mapping function, and performing dynamic compensation on the preliminary instruction coordinate to obtain a final instruction coordinate to control the laser galvanometer to act. The calibration process is simple, the coordinate conversion calculation amount is small, and fluctuation generated in the robot movement process can be dynamically compensated to ensure the positioning accuracy.

The invention discloses an intelligent weeding control method of a laser weeding robot and the laser weeding robot. The method comprises the steps that ground images are collected through a binocular depth camera, and weeds and seedlings are recognized; judging the relationship between the actual density of the inter-plant weeds and a preset density threshold value; when the actual density is greater than a preset threshold value, setting a first target speed to run the laser weeding robot, and planning a strike path based on the weed position to execute point descending type strike; and when the actual density is smaller than or equal to the preset threshold value, setting a second target speed for operation and starting a surface scanning mode to cover the high-density weed area. Dynamic matching of speed grading and strike strategies is achieved through a density threshold decision mechanism, the weeding rate is guaranteed, meanwhile, the operation efficiency is optimized, the problems of low-density working condition energy waste and high-density working condition clearing efficiency reduction are solved, and the adaptability of a farmland with complex weed distribution is comprehensively improved.

A method for spraying an agricultural field using a spray system that includes a spray boom attached to an agricultural vehicle and including cameras and broadcast nozzles, the agricultural vehicle having a tank that stores a residual herbicide. The method includes capturing images of regions of the agricultural field, each camera associated with one or more broadcast nozzles; automatically analyzing, with a trained machine learning (ML) model, each image for target weed(s); automatically detecting the target weed(s) in one or more images; for each image in which the target weed(s) is detected, automatically spraying first region(s) with one or more first broadcast nozzles at an increased application rate compared to a default application rate; and for at least some of the images in which the at least one weed is not detected, automatically spraying second region(s) with the one or more second broadcast nozzles at the default application rate.

The invention provides a self-adaptive weeding robot, and relates to the technical field of agricultural intelligent equipment. The self-adaptive weeding robot comprises a robot body, a lifting type moving platform, a self-adaptive weeding platform, an intelligent sensing system and an energy management platform. Wherein the lifting type mobile platform is connected with the robot main body; the self-adaptive weeding system comprises a weeding module, a laser weeding module and a grass shoveling and raking module, and one or more of the weeding module, the laser weeding module and the grass shoveling and raking module are detachably connected with the robot body; the intelligent sensing system comprises a depth camera, a laser radar, an antenna, a GPS positioner and an ultrasonic sensor. The depth camera, the laser radar, the antenna, the GPS positioner and the ultrasonic sensor are all connected with the robot body. The energy management platform is connected with the robot body. The self-adaptive weeding robot can adapt to height changes of crops in different growth stages, and is high in weeding accuracy, good in weeding effect, high in weeding efficiency and low in labor cost.

The invention discloses an integrated removal and treatment method for spartina alterniflora in a mudflat wetland. The integrated removal and treatment method sequentially comprises the steps that a construction operation area is divided; mowing the spartina alterniflora for more than three times in the construction operation area, and airing the crushed straws; performing anaerobic landfill on the straws into the first landfill ditch; carrying out more than two times of root system ploughing on the construction operation area which is already cut; a second landfill ditch with the depth not smaller than two meters is dug, and the ploughed spartina alterniflora root system is placed into the second landfill ditch; and covering soil and compacting the second landfill ditch. According to the method, the formation of mature seeds of the spartina alterniflora can be effectively prevented, the sexual propagation path of the spartina alterniflora can be effectively cut off, the surface of the first landfill ditch after landfill is no longer suitable for growth of the spartina alterniflora, mowing and ploughing are carried out in different areas at the same time, the spartina alterniflora is prevented from sprouting again, the treatment efficiency of the wetland spartina alterniflora is further improved, and the economic benefit is increased. Vegetative propagation of spartina alterniflora is avoided, repeated treatment of spartina alterniflora is avoided, and the treatment cost of spartina alterniflora is reduced.

Various embodiments of apparatuses, methods, systems, and computer program products described herein are directed to a treatment system having a first group of in line emitters, a second group of in line emitters, and one or more payload sources, configured to identify a first group of one or more agricultural objects, select a first emitter from the first group of in line emitters to apply a first liquid-based treatment to the identified first group of one or more agricultural objects, identify a second group of one or more agricultural objects, select a second emitter from the second group of in line emitters to apply a second liquid-based treatment to the identified second group of one or more agricultural objects, simultaneously apply the first liquid-based treatment towards the first group of one or more agricultural objects and apply the second liquid-based treatment towards the second group of one or more agricultural objects.

The present invention discloses an ecological garden engineering land preparation device and a land preparation method, which includes a vehicle frame. A crushing cylinder is fixed on the vehicle frame. A feeding hopper is arranged above the crushing cylinder. A turning door is hinged below the crushing cylinder. The lower part of the turning door is hinged to a crushing rod. A crushing knife is fixed at the bottom of the crushing rod. A horizontal conveying cylinder and an inclined conveying cylinder are fixed on the vehicle frame at the front side of the crushing cylinder. A tooth harrow is fixed at the bottom of the rear side of the inclined conveying cylinder. A crushing knife and a suction fan are arranged inside the crushing cylinder. A tip is fixed on the crushing rod. The bottom of the horizontal conveying cylinder is connected to a rotary tiller through a lifting rod. A leveling plate is arranged at the rear wheel; by providing a crushing cylinder, a horizontal conveying pipe, an inclined conveying pipe, a tooth harrow, a crushing knife, a suction fan, a feeding hopper, a turning door, a crushing rod, a transition cylinder, a rotary tiller, and a flow channel and a nozzle are arranged inside the crushing rod. The grass stems are collected before plowing the land, which not only avoids the grass stems being wound around the rotary tiller and affecting the effect of the rotary tiller, but also can crush and mix the grass stems and fertilizers at the same time, with strong functionality and simplified land preparation process.

Various apparatus and procedures for agricultural operations are provided. In particular, in one embodiment, methods for determining the precise location of each seed planted and using the seed planting location data to improve post-planting operations are provided. In another embodiment, apparatus and methods for determining the location of wet zones in an agricultural field and using the wet zone location data to plan an optimal path through the field to avoid wet areas are provided. In another embodiment, methods for tendering seed and chemical inputs for an agricultural operation are provided. In another embodiment, dynamic path planning methods of an autonomous agricultural vehicle are provided. In another embodiment, methods of planting end rows in an agricultural field are provided. In another embodiment, methods for planting multiple seed varieties in an agricultural field are provided.

Electrical apparatus to kill a plant or at least attenuate plant growth, the apparatus comprising: an electrical energy supply unit; an applicator unit comprising an applicator electrode; a return unit comprising a return electrode; electrical circuitry; the electrical energy supply unit arranged to apply electrical energy through a transmission circuit comprising the applicator electrode, a plant, and the return electrode, the electrical circuitry implemented to: determine if a temperature of the apparatus has crossed a temperature threshold, and; determine if one or more electrical properties of the electrical energy has crossed an associated electrical property threshold(s); and if either the temperature or the one or more electrical properties has crossed the respective temperature threshold or electrical property thresholds, then to control one or more electrical properties of the of the electrical energy to reduce the temperature and / or electrical property that has exceeded the threshold.

The invention discloses an automatic calculation and compensation method and system for dynamic strike delay of a laser weeding robot, and belongs to the technical field of agricultural intelligent equipment.The method is achieved through the following steps that in the static calibration stage, a laser galvanometer, a camera and collaborative parameters of the laser galvanometer and the camera of a robot system are corrected; laser scanning nonlinear errors, camera imaging distortion errors and pose and mapping errors between a galvanometer coordinate system and a camera coordinate system are eliminated; in the dynamic testing stage, the robot advances at a constant speed, laser striking is conducted on the wood chips with preset marks, and the position deviation between an actual striking point and a theoretical target point is obtained through the image recognition technology; reversely deducing system delay time based on the deviation and the speed of the robot, and iteratively updating compensation parameters; finally, after the iterative optimization strike deviation is smaller than the set precision, the compensation parameters are solidified to a control system; the method is suitable for a laser weeding robot and other dynamic visual striking systems.

The invention relates to the field of agricultural equipment, and provides an optical weeding system and method. The optical weeding system comprises a base and a solar weeding device, the solar weeding device is arranged on the base and comprises a lighting assembly, a collimating lens, a light guide assembly and a cylindrical lens, the lighting assembly comprises a supporting frame and a Fresnel lens, and the Fresnel lens is arranged on the upper portion of the supporting frame. Sunlight is focused to a focus through the Fresnel lens to form a high-energy light spot, light output by the Fresnel lens is collimated through the collimating lens, and the focused light is output through the cylindrical lens to form a linear high-temperature light spot on the ground; solar energy of renewable clean energy is directly utilized to form a light knife for physical thermal cutting weeding, consumption of non-renewable energy sources is reduced, and the use cost is reduced; due to the fact that optical weeding is adopted, chemical reagents are not needed, and pollution to soil and water sources is avoided.

The invention relates to the technical field of weeding robots, in particular to a full-automatic weeding robot which comprises two opposite automatic moving parts, the tops of the automatic moving parts are connected with a disassembly and assembly base through bolts, the top of the disassembly and assembly base is fixedly connected with a liquid storage bin, a lifting base is arranged over the liquid storage bin, and a power pump is fixed to the lifting base. A plurality of spraying heads are fixed to the power pump, a second transverse moving main base and a pair of first transverse moving main bases are arranged on the opposite sides of the two automatic moving parts, transverse moving auxiliary plates are arranged on the first transverse moving main bases and the second transverse moving main bases in a sliding mode, the transverse moving auxiliary plates are fixedly connected with the automatic moving parts, and a plurality of monitoring sensors are fixedly installed on the automatic moving parts. Compared with a weeding device in the prior art, by arranging the driving assembly, the lifting assembly and other components, it is ensured that the robot can flexibly cope with various complex terrain conditions, and the phenomena of medicine waste and medicine omission are effectively avoided.

The utility model provides a weeding and film mulching integrated robot, and particularly relates to the technical field of agricultural equipment. The robot comprises a robot body; the robot body comprises an electric control box, two groups of crawler belt moving mechanisms and an image acquisition mechanism; the electric control box is arranged above the two sets of crawler belt moving mechanisms through the rack. A motor box is arranged at the bottom of the electric control box; a solar panel and two groups of lead screw mechanisms are arranged at the top of the electric cabinet; a control system, a laser assembly, a GPS positioning system and a power supply device are arranged in the electric control box; the rear end of the electric control box is connected with the film covering mechanism through a telescopic pull rod; the telescopic pull rod can drive the film covering mechanism to ascend and descend through the lead screw mechanism. Two groups of rotating bases are symmetrically arranged at the bottom of the motor box; the bottom of the rotating base is connected with a laser transmitter through a telescopic mechanical arm. The laser weeding and film covering device has the functions of laser weeding and film covering, does not need chemical agents, is compact in structure, accurate, efficient and safer and healthier.

The system can include: an implement frame and a set of modular assemblies. The system can optionally include a vehicle and a set of effectors. However, the system can additionally or alternatively include any other suitable set of components. The system can function to facilitate automated and / or perception-based weeding and / or other automated agricultural operations. Additionally, the system can function to collect plant-level data on crops during implement operation. However, the system can additionally or alternatively be configured to provide any other suitable functionality.

To provide a weed control base material capable of exerting stable weed control and radiation shielding functions over a long period of time, and a weed control method.SOLUTION: A weed control base material 1 is formed by kneading a base material 10 made of an inorganic porous material 11 and a plurality of plant materials 12 with a solidifying material 20, where the plant materials 11 include fibrous bodies made of a secondary crushed material of coniferous bark 11a. A weed control method includes the steps of: adding water W to the weed control base material 1 and kneading it to produce a mixed base material 1a; and laying the mixed base material 1a on a target base G and compacting it, or spraying the mixed base material 1a on the target base G.SELECTED DRAWING: None

The invention relates to the technical field of agricultural intelligent equipment, in particular to intelligent monitoring and weeding equipment for gramineous weeds in a winter wheat field, and aims to solve the technical problem of high missing detection rate and false detection rate of a traditional visual identification method caused by similar forms of winter wheat and gramineous weeds in a seedling stage. The equipment comprises an autonomous mobile platform, a multi-mode sensing assembly, a data processing and decision-making unit and a targeted clearing execution mechanism. The multi-mode sensing assembly integrates a hyperspectral imaging module, a three-dimensional shape measurement module and a polarization characteristic analysis module, and pixel-level data registration is achieved in combination with the cooperative illumination system. The data processing unit performs high-confidence classification decision on the multi-source features through a hierarchical Bayesian fusion model; and the targeted clearing mechanism adopts a laser galvanometer system to carry out non-contact precise clearing on the identified weed growing points. Intelligent identification and efficient physical weeding of weeds in the winter wheat field are achieved, and the method has the advantages of being free of chemical residues and high in operation continuity.

A thorn extractor apparatus has a frame, a roller, a screen that surrounds the roller, and a collection bin for receiving the thorny seeds. The frame includes a first and second side member, frame couplers, and a plurality of horizontal beams. The roller and screen work together to pick up and convey the thorny seeds to the collection bin to be discarded. The thorn extractor apparatus may feature a plurality of rollers coupled to a plurality of screens. The thorn extractor apparatus may also feature a vacuum, a kickstand, added weights, and a hitch mechanism configured to be pulled by a vehicle. Two or more frames may be coupled together in sequence to multiply the number of rollers clearing the ground of thorny seeds. The thorn extractor apparatus, in some examples, may feature an automatic drive system or be couplable to a vehicle.

The invention discloses a current type electric shock weeding device, a control method and a weeding system. The device comprises a battery side voltage source; the primary side full-bridge inverter circuit is connected with the battery side voltage source; the voltage doubling circuit is used for generating high-voltage direct current output; the primary side of the transformer winding is connected with the midpoint of the primary side full-bridge inverter circuit, and the secondary side of the transformer winding is connected with the voltage doubling circuit; and the phase shift control module is configured to change the phase shift duty ratio phi = theta / pi by adjusting the phase shift angle theta and control the output current. The embodiment of the invention aims to provide a DC-DC converter which is free of ripples, has a constant-current characteristic and is simple to control for the field of electric shock weeding.

An autonomous ground vehicle for agricultural plant and soil management operations. According to some embodiments, autonomous ground vehicle includes: a camera unit configured to generate images of agricultural ground soil and plant organisms, a first mechanical arm having an end effector comprising a hoe portion and an electrode portion, a second mechanical arm having an end effector comprising an electrode portion, a high voltage booster electrically connected to the electrode portions, an electronic memory storage medium comprising computer-executable instructions; one or more processors in electronic communication with the electronic memory storage medium, configured to execute the computer-executable instructions stored in an electronic memory storage medium for implementing a plant species control management operation comprising electrical control and mechanical control options.

The utility model relates to the field of agricultural machinery, in particular to a laser head for a laser weeding robot. Which comprises a laser generator, a heat dissipation mounting seat and a lens mounting seat, and is characterized in that the lens mounting seat is arranged below the heat dissipation mounting seat, a radiator is arranged on the heat dissipation mounting seat, the laser generator is arranged below the radiator, the lens mounting seat is of a circular frame structure, and a convex lens is arranged in a circular frame of the lens mounting seat. According to the utility model, the first L-shaped bracket can drive the laser generator to swing back and forth under the driving of the second servo motor, and the second L-shaped bracket can drive the laser generator to rotate left and right under the driving of the first servo motor, so that the flexibility of the laser generator is greatly improved through the cooperation of the two brackets; compared with existing laser weeding which can only weed one area by increasing the number of laser generators, the laser weeding flexibility is improved, and the cost is effectively reduced.

The invention discloses an efficient intelligent laser weeding robot, and relates to the field of laser weeding. The problems that an existing laser weeding robot is large in weight and complex in structure are solved. The device comprises a visual identification system (6), a chassis truck (1), a control system (2), a cooling system (3), an autonomous navigation system (4) and a laser assembly (5), the chassis truck (1) comprises four wheel bodies A and a lifting platform (B), the lifting platform (B) is a motor-driven lifting platform, the four wheel bodies A are installed at the four corners of the lifting platform (B) respectively, the laser assembly (5) is installed on the lifting platform (B) in the length direction, and the control system (2) is connected with the control system (2). The control system (2) is installed on the side face of the lifting platform (B), the cooling system (3) is installed on the rear portion of the lifting platform (B), and the autonomous navigation system (4) is installed on the lifting platform (B). Weeds are efficiently eliminated, no pollution is caused in the process, and efficient and intelligent farmland weeding is achieved.

The utility model belongs to the technical field of rail transit cleaning, and relates to a movable spraying weeding device for rail transit, which comprises a vehicle body, a pesticide storage box, a fixed spraying mechanism and a movable spraying mechanism, the vehicle body moves along a track line; the pesticide storage box is fixed on the vehicle body; the fixed spraying mechanism is communicated with the pesticide storage box; the movable spraying mechanism is communicated with the pesticide storage box; in the moving process of the vehicle body, the fixed spraying mechanism sprays weeding agents to weeds close to the track, the movable spraying mechanism sprays weeding agents to weeds far away from the track, the fixed spraying mechanism and the movable spraying mechanism are matched with each other, it is guaranteed that the weeding agents cover the weeds comprehensively without dead corners, spraying blind areas are avoided, and the weeding efficiency is improved. The weeding effect is improved; meanwhile, by adjusting the height and angle of the movable spraying mechanism, the coverage range of the weeding agent is dynamically adjusted according to the growth condition of the weeds, it is further ensured that the weeding agent effectively covers most weeds, and the weeding effect is improved.

The invention discloses a post-wheat crop sowing cotton film-free sowing and fertilizing device, and relates to the technical field of agricultural machinery, the post-wheat crop sowing cotton film-free sowing and fertilizing device comprises a connecting frame, the bottom surface of the connecting frame is provided with a plurality of groups of ditching assemblies, the top of each ditching assembly is provided with an adjusting mechanism, each ditching assembly comprises a fertilizing shovel and a seeder, and the side wall of the connecting frame is fixedly connected with a plurality of fixing frames; a water tank is installed on the fixing frame, one side of the connecting frame is connected with an external traction mechanism, and an auxiliary pipe wheel and a burying mechanism are installed on the other side of the connecting frame. The machine can realize integrated operation of ditching, fertilization, seeding, irrigation, pipe laying, soil covering and weeding, the whole process is mechanized, manual intervention is reduced, and the operation efficiency is improved; the ditching depth and width are controlled through the adjusting mechanism, so that the requirements of different soil textures and cotton varieties are met; meanwhile, the fertilization shovel and the seeder are independently designed, direct contact between fertilizer and seeds is avoided, seed burning is prevented, and the emergence rate is increased; in addition, a water outlet pipe of the water tank directly faces a sowing area, local precise irrigation is achieved, and water resource waste is reduced.