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10results about How to "High execution precision" patented technology

Unmanned aerial vehicle landing control method based on AI vision

The invention discloses an AI vision-based unmanned aerial vehicle landing control method, and relates to the technical field of computer vision, and the method comprises the steps: collecting ground comprehensive data and current attitude data of an unmanned aerial vehicle; inputting the collected ground comprehensive data into a deep learning model for ground feature analysis, and generating an optimal landing point path planning result; predicting the current position and the current attitude of the unmanned aerial vehicle based on the optimal landing point path planning result and the ground comprehensive data; calculating position information error and attitude error information according to the predicted current position and current attitude of the unmanned aerial vehicle; adjusting the attitude and descent speed of the unmanned aerial vehicle based on the position information error and attitude error information, and generating optimized attitude information and descent trajectory; and adjusting motor thrust distribution according to the optimized attitude information and the descending trajectory in combination with the optimal landing point. According to the invention, by combining the optimized attitude information with the descending trajectory, the overall landing process is ensured to be more stable and accurate, and the safe landing capability is improved.
Owner:WUXI XINFENG IOT INTELLIGENT TECH CO LTD

Motion error compensation method and system for surgical robot

The invention belongs to the technical field of robot motion control, and relates to a motion error compensation method and system for a surgical robot, and the method comprises the steps: collecting, processing and analyzing the actual motion data of each constraint point and tail end point of a mechanical arm, comparing the actual motion data of each constraint point and tail end point with standard motion data, and calculating the motion error of the surgical robot. Obtaining constraint points and end points which are not in the error range; kinematic models are constructed based on the constraint points and the tail end points of the two mechanical arms, and real-time error compensation amounts of the constraint points and the tail end points are obtained; performing inverse kinematics solution on the corresponding real-time error compensation amounts of the constraint point and the tail end point of the corresponding mechanical arm based on the kinematics model to obtain an inverse kinematics solution result; the inverse kinematics solving result is converted into the corresponding control command, the corresponding action is executed based on the corresponding control command, the difference between the actual action of the mechanical arm and the action corresponding to the control command is reduced, and the surgical action execution precision is improved.
Owner:川北医学院附属医院

Data transmission method and system of solid waste sorting equipment, terminal and storage medium

The present application relates to the technical field of data transmission, and specifically provides a data transmission method and system for solid waste sorting equipment, a terminal and a storage medium, comprising: adding basic classification marks and dynamic priority marks to data packets according to the function types of sorting data, and dividing the data into synchronous control flow, real-time event flow, process awareness flow and background management flow; a data source end acquires link state information before sending, and adaptively adjusts the dynamic priority of the real-time event flow; a network switch performs mixed scheduling transmission on the data packets based on time-aware shaping, credit shaping and preemption mechanism, wherein the preemption of low-priority queues is only allowed when the data packets of the highest-priority sub-queue carry the highest dynamic priority mark. Through the cooperative mechanism of basic classification and dynamic priority, the present application realizes fine classification transmission of heterogeneous data flow, solves the problem that key instructions are easily affected by network congestion, and effectively reduces transmission delay and jitter.
Owner:BINZHOU BANGBAO CHEM CO LTD

Independent header adaptive profiling control system based on multi-sensor fusion

PendingCN121970595AComprehensive upgrade of perception capabilitiesRealize global captureMowersControl using feedbackMultiple sensorRapeseed
The invention belongs to the technical field of combine harvesters, and discloses an independent header adaptive profiling control system based on multi-sensor fusion, which comprises a sensing module, an execution module and a control module, and is characterized in that the sensing module and the execution module are electrically connected with the control module; the sensing module comprises high-precision angle sensors installed on the left side and the right side of the header, and each high-precision angle sensor is hinged to the header through a mechanical rotating arm and a tension spring assembly and used for converting the vertical displacement and the inclination angle of the header relative to the ground into electric signals. Through deep cooperation of sensing, execution and control technologies, the crop loss rate is reduced by 30%-50%, the impurity rate is remarkably reduced, the method is particularly suitable for low-stubble harvesting operation of soybeans, oilseed rapes and the like, the operation quality and economic benefits of a combine harvester are greatly improved, and agricultural machinery equipment is promoted to be upgraded to high-end intelligence.
Owner:HARBIN FIRST MACHINERY GRP

A single-term difference solution method and compensation method for photoelectric theodolite

ActiveCN119128341BHas reference valueHigh execution precisionTheodolitesComplex mathematical operationsTheodoliteSky
The present invention relates to the technical field of photoelectric theodolites, and specifically provides a method for solving and compensating a single error of a photoelectric theodolite. The sky area is divided into 60 sub-areas by star selection software, and a star is selected in each sub-area as a reference star, one of the theodolite points is controlled to point to the reference star, and the azimuth deviation and elevation deviation corresponding to each reference star are calculated respectively, and an axis system error pointing model of the electric theodolite, an azimuth error equation and an elevation error equation of the photoelectric theodolite are established, and the least squares estimate of the azimuth single error and the least squares estimate of the elevation single error are solved by the least squares method, and the reference stars with large fitting residuals are eliminated and repeatedly iterated to obtain the final single error of the photoelectric theodolite and compensate for it. The method of the present invention effectively reduces the influence of the theoretical position deviation of individual reference stars on the calculation results, ensures the consistency of the single error in multiple measurement results, and thus improves the compensation accuracy of the single error of the photoelectric theodolite.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

SERF gyroscope probe light polarization multidimensional compensation system

The invention relates to an SERF gyroscope probe light polarization multidimensional compensation system. Comprising a detection laser, an optical isolator, a first laser beam splitter, a first photoelectric detector, a liquid crystal phase retarder, a lambda / 4 wave plate, a second laser beam splitter, a Sole-Babinet compensator, a third laser beam splitter, an atomic gas chamber, a first lambda / 2 wave plate, a first polarization beam splitter prism, a second photoelectric detector, a third photoelectric detector, a second lambda / 2 wave plate and a second polarization beam splitter prism. A fourth photoelectric detector, a fifth photoelectric detector, a polarization analyzer and a sixth photoelectric detector. According to the invention, a polarization rotation angle compensation loop based on the combination of the liquid crystal phase delayer and the lambda / 4 wave plate and a delay phase compensation loop based on the Sole-Babinet compensator are adopted, comprehensive feedback compensation is carried out on the polarization change of the SERF gyroscope detection light from two dimensions of light polarization, and the polarization instability of the detection light can be effectively improved.
Owner:CHINA STATE SHIPBUILDING CORP NO 707 RES INST

Intelligent meal system and method based on metabolic management

PendingCN122290893ALower barriers to usePrecisely implement the diet planBlood glucose statusDieting
This invention discloses an intelligent dietary system and method based on metabolic management. The system includes a data acquisition unit for collecting basic user information and meal records; a cloud service unit for dynamically assessing the user's current blood glucose status and dietary restriction needs based on dietary guidelines and individual user data; a user interaction unit for providing an intuitive and user-friendly interface, allowing users to view recommended plans, provide feedback on implementation status, and adjust dietary preferences; and an external ecosystem connection unit for acquiring real-time or historical blood glucose data from the cloud for dynamically adjusting dietary recommendations. The method of the intelligent dietary system based on metabolic management has the following advantages: lowered usage threshold; real-time closed-loop operation; improved execution accuracy; and seamless integration.
Owner:青岛润物和健康产业发展有限责任公司

Teleoperation system, teleoperation method, and computer-readable storage medium

This invention provides a remote operating system, a remote operation method, and a computer-readable storage medium. The remote operating system includes: an identification unit that identifies a graspable object, a movable area of ​​the graspable object, and a non-movable area of ​​the graspable object based on a captured image of the environment where the object to be operated is located; an operation terminal that accepts input of handwritten information based on the captured image; and an inference unit that infers a graspable object requested to be grasped from the graspable object based on the graspable object and the handwritten information, and infers the content of the action requested for the graspable object from the graspable object. If the handwritten information includes information about the transport path of the graspable object, the inference unit infers the transport path located within the movable area of ​​the graspable object as the movement path of the graspable object, and infers the transport path located within the non-movable area of ​​the graspable object as the movement path of the end effector that grasped the graspable object.
Owner:TOYOTA JIDOSHA KK

Parallel harmonic deceleration electric linear actuator

The utility model relates to several parallel harmonic deceleration electric linear actuators. The linear actuator is composed of a parallel harmonic reducer with a built-in motor and a lead screw nut transmission mechanism. A harmonic reducer of the built-in motor has two forms of a built-in outer rotor motor and a built-in inner rotor motor, high-speed rotating motion of the built-in motor is output to a rotating shaft or a shell after being subjected to large-proportion speed reduction and torque increase through the parallel harmonic assembly, and a lead screw or a nut of the lead screw and nut transmission mechanism is driven to do rotary motion. Therefore, the rotary motion is converted into linear motion. Due to the fact that the parallel harmonic assembly is used for speed reduction, the electric linear actuator has the advantages of being large in speed reduction ratio, small in energy consumption loss, high in load capacity, rigidity and precision and the like.
Owner:SHANGHAI JINSHUN INTELLIGENT INVESTMENT TECHNOLOGY PARTNERSHIP (LLP)

Edge folding device and equipment

The utility model discloses an edge folding device and equipment, which are used for the edge folding operation of an enclosure frame supplied material, the outer side of the A1 edge of the enclosure frame is pasted with surface paper, the B1 section of the surface paper extends and floats out along the plane of the side wall of the enclosure frame, the edge folding device comprises a platform used for supporting the enclosure frame, and the end part, pasted with the surface paper, of the enclosure frame floats out of the edge of the platform to be placed; the butt clamping mechanism comprises an inner clamping block and an outer clamping block which are used for clamping the enclosure frame from the inner side and the outer side of the side A1 of the enclosure frame respectively; the edge folding mechanism comprises an edge folding structure, the edge folding structure is arranged on one side of the outer clamping block, and the edge folding structure and the outer clamping block horizontally move in the same direction to fold the B1 section of the surface paper to be perpendicular to the A1 edge of the enclosure frame; according to the utility model, the forming mode of the surface paper at the edge of the side wall of the enclosure frame is changed, the edge folding in the form of a vertical frame body is changed into the edge folding in a tiled manner, and the edge folding execution precision is higher and the edge folding effect is sharper and harder by fixing the enclosure frame in a butt-clamping manner; equipment comprising the edge folding device is more in station decomposition and more accurate in station decomposition, the production period of the whole set of equipment is shortened, and efficiency is higher.
Owner:SINOTECHO (WUHAN) INTELLIGENT TECH CO LTD