796results 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.

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 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.

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.

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 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.

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.

Embodiments of systems and methods to enhance vegetation control along an underground feature right-of-way are disclosed. In an embodiment, the method may include receiving data from one or more sources. The method may include generating, based on location data in the data, a plurality of right-of-way representations for a graphical user interface (GUI). The method may include correlating the data from the one or more sources to a corresponding right-of-way point. The method may include storing the data as metadata associated with the corresponding right-of-way. The method may include determining an event occurrence based on image data in the data from one or more of an image capture aerial vehicle or one or more computing devices. The method may include determining a next action for the plurality of right-of-way points based on one or more of a capture date or the event occurrence and then initiating the next action.

The invention relates to a method for the electrical treatment of plants (P) in non-agricultural and / or non-forestry areas, comprising at least the step of: (S300) applying an electrical voltage (U) of less than 1500 V to the plants (P) by means of a current-fed, in particular DC-fed, applicator assembly (20) having at least two applicators (22a, 22b, 22c) for applying electrical current (I) to plants (P), the at least two applicators (22a, 22b, 22c) being at a distance (A1, A2) of at most 15 cm, in particular at most 10 cm.

The invention discloses a wide laser weeding system based on galvanometer-linear motor cooperative motion compensation and a control method, and relates to the technical field of agricultural robots. According to the invention, the problems of insufficient single-machine coverage width and field edge positioning misalignment caused by the limitation of the deflection angle of the galvanometer in the existing laser weeding device are solved. The wide-width laser weeding system comprises a moving platform used for bearing and moving the whole wide-width laser weeding system; the laser emission module is arranged at the top end of the mobile platform and used for generating laser beams; the galvanometer deflection system is positioned on the front side of the mobile platform, comprises a deflectable reflective mirror I and a deflectable reflective mirror II, and is used for reflecting and adjusting the irradiation direction of the laser beam generated by the laser emission module; and the linear module is arranged at the front end of the mobile platform, connected with the galvanometer deflection system and used for driving the galvanometer deflection system to translate in the direction perpendicular to the advancing direction of the mobile platform so as to expand the transverse coverage range of the laser beam. The device and the method are used for accurately killing sparse weeds between rows of wide-ridge crops.

The invention relates to the technical field of agriculture, in particular to a multi-item processing robot for modern agriculture, which comprises a tracked robot, a picking mechanical arm fixed at the top end of the tracked robot and a fixing frame fixed outside the top end of the tracked robot, when the multi-item processing robot for modern agriculture is used, the defects that an existing intelligent agricultural power machine is dispersed in function and only works on the surface layer can be overcome in a targeted mode, picking, mowing, root removing and preprocessing are integrated, the tracked robot serves as the moving basis, the picking mechanical arm can synchronously carry out crop picking, and the working efficiency is improved. The mowing mechanism at the bottom end of the fixing frame cuts off stems and leaves of weeds on the earth surface in advance, and sequential operation loss is avoided; the rotating assembly drives a limiting rack and a limiting gear to be linked through a limiting electric telescopic rod, and a rotating rod and a rotating frame are driven to adjust the soil penetrating depth of an inclined shovel plate to adapt to different scenes; the grass root shearing assembly drives a long rack by means of a reciprocating electric telescopic rod, and a double-gear rod and a single-gear rod are linked to enable a shear knife to cut off roots.

The invention discloses a suspension type laser weeding robot, and relates to the technical field of agricultural robots. The problems that an existing self-propelled laser weeding robot is complex in structure, large in weight, high in cost and short in endurance due to the fact that the robot is provided with a walking system and a power source, calibration is tedious due to non-coaxial arrangement of a vision system and a laser system, and aiming precision is prone to being interfered are solved. The suspension type laser weeding robot comprises a rack, a suspension device, a transmission system, a laser weeding module and an electric control system. The suspension device is connected with the rack and a tractor. The transmission system converts power of the tractor into electric energy. The laser weeding module comprises a shell, a connecting seat, a galvanometer system, a camera and an inclined optical filter; the light filter enables a refraction light path of the camera to coincide with a transmission light path of the galvanometer system, and coaxial aiming is achieved. The electric control system distributes and controls electric energy. The advancing power of the whole machine is provided by a tractor. The laser weeding device is used for realizing efficient and accurate laser weeding operation based on the power of the tractor.

A system for dispensing agricultural products includes at least one source of agricultural product; at least one agricultural product tube, a seed sensing device, a metering system, and a sensor assembly. At least one agricultural product tube is connected to the source of agricultural product. The seed sensing device is configured to control the delivery of the agricultural product. The metering system is coupled to at least one agricultural product tube and to the seed sensing device and is configured to synchronize the placement of agricultural product relative to the placement of seed. A sensor assembly includes a signal conditioning circuit. The signal conditioning circuit is configured to provide an output signal representing an indication of the presence of the agricultural product. At least one seed for use in determining the synchronized placement of seed and the agricultural product in correct proximity with one another in a seed furrow.

Provided is a mobile removal device. The mobile removal device includes a camera, a laser oscillator, a controller, and a guide portion. The guide portion includes one or more reflectors configured to reflect a laser beam. At least one of the one or more reflectors is a specific reflector having a function of reflecting the laser beam and a function of transmitting a light that can be captured by the camera. The camera is arranged so that an optical axis of the camera passes through the specific reflector in an area where the laser beam does not pass through.

A hybrid twin process uses an independent mechanical destructive process and an illumination process to change of state of weed seeds to having reduced germination viability by illuminating a seed with at least one of 2 J / cm2 cumulative illumination energy, and 0.2 W / cm2 irradiance, but no more than 7 W / cm2 average irradiance, of at least one of an Indigo Region Illumination Distribution (IRID), and infrared radiation that is substantially Medium Wavelength Infrared (MWIR) radiation, preferably 2-8 microns. The process can be incorporated into a harvester combine to convert a tailings flow prior to discharge on an agricultural field. For the mechanical destructive process, high required applied energy, noise, wear, and difficulty treating impact-resistant seeds are avoided by modifying a driven load flow via increased capability of exposure to illumination and underdriving the mechanical destructive process. This can include randomization, rarefaction and enhanced circulation.

The invention relates to the technical field of agricultural engineering, and discloses a precise herbicide application process which comprises the following process steps: acquiring data of weed types, distribution positions, density and corresponding herbicide types through multi-source data collection, uploading the data to a data processing center, and preparing targeted herbicide application equipment according to different herbicide application scenes; the data processing center combines real-time weather, crop growth cycle and topographic features to generate differentiated pesticide application schemes, monitors the pesticide application process in the whole process, rechecks the weed death condition 72 hours after pesticide application through the multispectral unmanned aerial vehicle, and when it is found that the expected effect is not achieved, data of the current non-pesticide application position and the surrounding area are collected again, and the pesticide application process is completed. And uploading to the data processing center, re-applying the pesticide to form a closed loop mode, and integrating the pesticide application effect, the environment variable and the equipment state by the data processing center, updating the weed data in real time, regularly detecting the equipment wear condition, and replacing the aged nozzle or sensor.

The invention discloses an intelligent real-time dynamic precise laser weeding method and device, and relates to the field of laser weeding, and the weeding device comprises an image acquisition module, a processor, a laser reflector, a single-chip microcomputer control module, an IMU sensor, a high-precision encoder and the like. Wherein the image acquisition module is used for acquiring field crop and weed images, the processor processes the acquired crop and weed images based on an LW-YOLO model, extracts weed position coordinate information, and performs optimal planning on a laser scanning path; the laser reflector is used for controlling the laser to irradiate a target position through the rotation of the laser reflector; the single-chip microcomputer control module is used for controlling the phase voltage of the brushless motor, transmitting a command issued by the processor to the sensor and the execution mechanism, and improving the positioning precision of the motor through an FOC algorithm. The weeding precision and efficiency are remarkably improved, the waiting time during static weeding is shortened, and the advantages of high precision and high efficiency are achieved.

A method, a system and an electronic device for detecting weeds in farmland are provided, wherein the method includes: collecting a target image of weeds in farmland; constructing a weed detection model by using YOLOv8 based on a RevColNet backbone network, and identifying weeds based on the weed detection model; accurately removing the weeds. The method is used for solving the defects that: when identifying weeds in farmland, all kinds of information of weeds cannot be well described, it is difficult to obtain high identification accuracy, and problems such as high computational complexity, large model parameters, large model scale and the like are faced. The method and the system provide an improved model based on YOLOv8, which can identify weeds in farmland with higher accuracy, with lower computational complexity, and higher weed identification efficiency.

To provide a solidifying material used for obtaining solidified soil suppressed in plant development and growth.SOLUTION: Provided is a solidifying material containing the elements selenium (Se), cadmium (Cd), and lead (Pb). The solidifying material has a selenium (Se) content of 3.5 ppm or more, a cadmium (Cd) content of 110 ppm or more, and a lead (Pb) content of 430 ppm or more. The solidifying material preferably includes rapid-hardening Portland cement, blast furnace slag, and gypsum.SELECTED DRAWING: None

This hydraulically driven, intelligent paddy field weeding and cultivation unit is an agricultural machine. The unit is equipped with a pressure-fluid source system consisting of a herbicide liquid tank, a pump assembly, a towerless liquid supply unit, a hydraulic sensor, a safety valve, and a hydraulic solenoid valve; a mechanical weeding and cultivation system consisting of flexible hoses, fixed pipe clamps, rigid pipes, a cylindrical shaft, a sleeve, fixed blades, moving blades, a barrel-type nozzle, and spiral blades; a positioning and adjustment mechanism consisting of a micro-screw linear module, a Π-shaped frame, a transverse track, a slider, a motor, cylindrical gears, a base plate, and a rack; a weed identification and positioning system consisting of a weed identification sensor; and an automatic control box assembly. This unit achieves an intelligent combination of hydraulically driven shearing and pulverizing mechanical weeding and chemical weeding through liquid flow delivery. It features a novel, unique, and reasonable structure, excellent weed control effect, low pesticide residue on crops, and minimal environmental pollution.

The application provides an omnidirectional mobile high-ground-clearance cultivator, and belongs to the field of agricultural machinery; solves the problems of the existing cultivator, such as limited function of a profiling adjusting mechanism, poor agricultural adaptability of a chassis, insufficient cooperation between vehicle steering control and herbicide operation execution, and the like; the herbicide machine comprises a walking chassis, and a cultivator operation system is rotationally connected to the walking chassis; the walking chassis comprises a frame assembly, two walking devices are arranged on each of two oppositely arranged side frames of the frame assembly, the cultivator operation system comprises a lifting four-bar mechanism, one end of the lifting four-bar mechanism is rotationally connected between the other two oppositely arranged side frames of the frame assembly, the end of the lifting four-bar mechanism connected with the frame assembly is further connected with an output shaft of a hydraulic cylinder, the other end of the lifting four-bar mechanism is hingedly connected with a four-bar profiling mechanism, and the end of the four-bar profiling mechanism away from the lifting four-bar mechanism is provided with a herbicide working part; and the application is applied to the herbicide machine.

A pre-measured single use concentrated pesticide product includes a pesticide material in a concentrated form. The pesticide material is in a quantity that is pre-measured for a specific applicator tank size. A bottle is provided that is sized and configured to hold the quantity of the pesticide material that is pre-measured for the specific applicator tank size. The pesticide material is sealed and packaged inside of the bottle. The pre-measured single use concentrated pesticide product is designed and configured to optimize efficiency in mixing the pesticide material in the concentrated form with water in an applicator with the specific applicator tank size.

The present application relates to a kind of multifunctional mower with spray function, belong to the technical field of mower, including frame, the left and right sides of the frame are equipped with two mobile assembly for the mower to move, the inner shell is fixed in the frame, the inner top wall of the inner shell is equipped with the cutting assembly that is cut through the top wall of inner shell and carries out mowing, the top of the inner shell is provided with battery, the inner side of the frame is equipped with the ground planter that extends to the frame outside and can be carried out to the ground and mud, the top of the ground planter is fixed with controller, the ground planter is provided with the first liquid supply component that can spray humic agent, the top of the inner shell is equipped with the second liquid supply component that can spray herbicide.The multifunctional mower with spray function, plant rhizome can be turned out by ground planter, and the plant rhizome that is turned out can be sprayed by first liquid supply component, to realize the mixing of rhizome and humic agent, improve the degradation efficiency of straw and other plants.

The invention relates to an agricultural machine and a method for needs-based plant treatment, comprising several treatment elements arranged laterally to a direction of travel, at least one detection device for detecting an area of ​​land located in the direction of travel in front of the treatment elements, an evaluation device for evaluating data detected by the at least one detection device, and a control device for controlling the treatment elements.In order to supply a recognized treatment need to a control unit controlling treatment organs in an economical and resource-saving manner, it is provided that the evaluation unit is configured to divide the area detected by the detection unit into sub-areas, to identify at least one sub-area in which control of at least one treatment organ is required, starting from a starting point, preferably for each sub-area, particularly preferably for each identified sub-area, to determine a temporal and / or spatial distance to a point at which control of the at least one treatment organ is to be carried out.

The invention provides an agricultural work device, an agricultural work management system and a program, which can properly manage agricultural work information and can smoothly execute future agricultural work and business based on the utilization of the agricultural work information. A farming device (1) is provided with: a first imaging device; an agricultural work determination unit (34) that determines whether or not to perform agricultural work on an object on the basis of first image information obtained by capturing an image of the object by means of the first image capturing device; a farming execution unit (36) for executing farming on the basis of the determination result of the farming determination unit (34); a farming information generation unit (38) that generates farming information including farming results; a measuring unit that measures the position of the object; and a farming information management unit (40) that manages farming information and position information indicating the measured position.

The invention relates to the technical field of image recognition, and discloses an image recognition system for weeding based on wormwood, and the system comprises a high-resolution camera which is used for collecting a field visible light image; the infrared camera is used for collecting infrared spectrum data; the calculation unit is configured with a deep learning model and a multi-mode neural network, and is used for processing the visible light image and the infrared spectrum data to identify the position of wormwood and generating a weeding path according to an identification result; and the weeding equipment is used for receiving the weeding path and executing weeding operation. Specific biological characteristics such as leaf edge sawteeth, inflorescence arrangement and stem textures of wormwood are trained and recognized through a deep learning model, the wormwood and other weeds or crops can be distinguished in a complex field environment, a wormwood exclusive data set and an improved image processing algorithm are utilized, the error recognition rate is reduced, and the recognition efficiency is improved. Especially under the condition that wormwood is mixed with other similar plants (such as compositae weeds), the recognition accuracy can be improved to a high level.

The present application relates to a kind of based on self-propelled double-row paddy field weeder's leapfrogging row-changing device and row-changing method.Row-changing device includes support mechanism, transverse moving mechanism, initiative lifting mechanism, steering mechanism, reset mechanism and electric control module;When electric control module detects that weeder walks to the end of rice planting row, support mechanism elongates and supports the whole machine by contacting ground, initiative lifting mechanism lifts weeder to higher than rice seedling height, and is driven from above rice seedling by transverse moving mechanism to move horizontally;Steering mechanism and lifting mechanism drive weeder to turn 180 ° and descend, complete leapfrogging row-changing;After weeder descends to ground, reset mechanism drives row-changing device to reset, provide preparation for next row-changing.The present application realizes the leapfrogging row-changing of self-propelled paddy field weeder from above rice seedling, avoids the damage of seedling caused by weeder turning at the end of row, and optimizes support mechanism, so that the whole machine adapts to paddy field environment after weeding operation to prevent overturning.