1528 results about "Vertical distance" patented technology

Access control system (1) for buildings (2) with a stationary unit (20) and a mobile unit (10), wherein the mobile unit (10) has a mobile transceiver (11) which is designed to transmit wirelessly and encrypted signals (S) for authentication and authorization of the mobile unit (10) with respect to the stationary unit (20) and for control of the stationary unit (20) by the mobile unit (10) to a stationary transceiver (21) of the stationary unit (20), wherein the stationary unit (20) comprises a control device (22) which is designed to determine a position of the mobile unit (10) relative to the stationary unit (20) from the signals (S) transmitted from the mobile transceiver (11) to the stationary transceiver (21) and to control a function if a control command for triggering the function is transmitted to the stationary unit (20) by a mobile unit (10) authenticated and authorized by the stationary unit (20) and / or the position of the mobile unit (10) is within a predetermined access area (30), and wherein the control device (22) is designed to determine an angle (ϕ) from which the signals (S) were received from the signals (S) transmitted from the mobile transceiver (11) to the stationary transceiver (21), to determine a measured distance (rg) between the stationary transceiver (21) and the mobile transceiver (11) from a signal (S) received at the stationary transceiver (21) from the mobile transceiver (11) and from the measured distance (rg) and a vertical distance (rv) stored as a correction value in the control device (22) between the stationary transceiver (21) and the mobile transceiver (11), to determine a horizontal distance between the stationary transceiver (21) and the mobile transceiver (11) in the polar coordinate system lying in the horizontal plane as a distance (r) from which the signals (S) were received, so that the position of the mobile unit (10) can be specified as polar coordinates of a polar coordinate system lying in a horizontal plane, in whose coordinate origin the stationary transceiver (21) is arranged.

The invention relates to the technical field of computer vision detection, and discloses a height feature information generation method, device and equipment based on point cloud and a medium, and the method comprises the steps: obtaining three-dimensional point cloud data of the surface of an object to be detected, carrying out the preprocessing of the data to obtain a target point cloud, and carrying out the reference plane fitting of the target point cloud, and calculating the vertical distance of each point in the target point cloud based on the reference plane obtained by fitting and generating height difference data, and finally extracting and outputting surface height feature information according to the height difference data. According to the method, the three-dimensional point cloud data is subjected to preprocessing noise removal, datum plane accurate fitting and height difference data separation, high-precision extraction of tiny height changes of a complex surface is achieved, the detection efficiency is improved, dependence on high-cost optical equipment is reduced, and the method is compatible with various workpiece shapes.

The invention discloses a picture occlusion relation processing method and device and a storage medium, and relates to the technical field of rendering, and the method comprises the steps: determining a vertical distance between a target element in a to-be-rendered frame and a preset base point; performing normalization processing on the vertical distance to generate a floating point value corresponding to each target element; encoding the floating point value to generate at least one integer channel value corresponding to the element; storing the integer channel value corresponding to the target element to vertex color information of the grid data corresponding to the target element to generate a rendering grid; and rendering the target element based on the rendering grid. According to the method, the normalized and coded depth value is borne through the vertex color information, so that the technical problem that the rendering performance is low due to the fact that the node tree needs to be traversed in each frame and massive elements need to be sorted in the prior art is solved, seamless fusion of the depth data of the rendered elements and the vertex colors is realized, and the rendering efficiency of the elements is improved.

The invention relates to the field of mobile robot motion planning, and discloses a quadruped robot motion planning method and system based on height self-adaption. The method comprises the following steps: constructing 3D and 2D local obstacle maps according to coordinate transformation, and calculating a grid vertical distance through ray casting to generate a 2.5 D local obstacle map; determining an initial control sampling space by combining speed, acceleration and height constraints; discretizing a sampling space and simulation time, deducing a control value sequence and recursively calculating a local trajectory; then calculating a shaft alignment bounding box in a directed bounding box of the robot, screening grid units in the shaft alignment bounding box, comparing the height of a machine body with the allowable height of grids, and rejecting collision trajectories to obtain a feasible trajectory set; and finally selecting an optimal track by the evaluation function, extracting a control value and sending the control value to hardware for execution. According to the method, the 2.5 D local obstacle map containing height information is constructed, the four-dimensional control sampling space is designed, and the robot height self-adaptive adjustment is realized in combination with the collision detection and evaluation function.

The invention relates to the technical field of yarn operation data processing, in particular to a yarn conveying operation state real-time monitoring method and system. The method comprises the following steps: acquiring a speed value and a tension value corresponding to each data point in a yarn operation data time sequence, and presetting a local range of the data points; the noise index of the data point is obtained through the ratio of the absolute value of the difference value between the speed value of the data point and the speed mean value in the local range to the speed standard deviation in the local range; recording a normalized value of a ratio of the noise index of the data point to the mean value of the vertical distance between each data point in the local range and the regression curve as the noise degree of the data point; the speed values of the data points form a speed data time sequence, and the speed data time sequence is de-noised by using the target mean value of each data point in the MVI algorithm to obtain a yarn operation monitoring result, so that the accuracy of the yarn conveying operation state monitoring result is effectively improved.

The invention discloses a vertical retaining structure displacement automatic monitoring device and a monitoring method thereof, and relates to the technical field of displacement automatic monitoring, and the device comprises a data acquisition unit which is used for configuring monitoring nodes, obtaining sensor data monitored at the top of a retaining wall, and preprocessing the sensor data to obtain effective inclination angle data; the displacement conversion unit is used for recognizing and optimizing the attitude angle by using a dynamic Kalman filtering algorithm, and calculating a displacement value of the vertical soil retaining structure by combining the vertical distance from the bottom to the top of the soil retaining wall; the monitoring and early warning unit is used for uploading the displacement value of the vertical retaining structure to a remote data platform, constructing a monitoring network, analyzing and predicting the deformation trend of the retaining wall and triggering early warning according to an analysis result; and the battery management unit is used for providing battery state monitoring and management. The displacement of the top of the retaining wall can be accurately sensed and monitored through the inclination angle data, and comprehensive and accurate monitoring is ensured by adopting an attitude solver and a dynamic Kalman filtering algorithm.

The invention discloses a pull-type transient electromagnetic detection technology based on eccentric self-compensation and a method thereof. The method comprises the following steps: 1) preliminarily laying a coil structure; 2), according to theoretical calculation and analysis of related parameters in an existing coil structure, selecting a relatively proper vertical distance H between the circular receiving coil and the circular transmitting coil; 3) according to the vertical distance L determined in the step 2), further theoretically calculating a horizontal distance L between the center of the circular receiving coil corresponding to the height and the center of the circular transmitting coil; (4) adjusting the position of the circular receiving coil in the coil structure according to the results in the step (2) and the step (3); and (5) transient electromagnetic detection is carried out through the coil structure adjusted in the step (4), in a certain size error range, interference of a primary field on signals is avoided, the signals sensed by the receiving coil can serve as pure secondary field signals to carry out subsequent data processing, so that the transient electromagnetic detection device has higher tolerance to physical size errors, and the accuracy of transient electromagnetic detection is improved. And the acquired signal is more fidelity.

An embodiment of the present invention provides an ice plate conveyor line and an automatic ice plate processing system. The ice plate conveyor line includes a first conveyor component and a gear lever. The first conveyor component includes a first conveyor line body and a first guide bar. The first conveyor line body conveys along a first direction. The first guide bar is arranged on the first conveyor line body and extends along a second direction. The second direction forms an angle with the first direction so that the long side or short side of the conveyed ice plate can be abutted against the first guide bar and conveyed along the second direction. The gear lever is adjacent to the tail of the first conveyor component in the vertical direction. The vertical distance from the gear lever to the first guide bar is smaller than the long side of the ice plate and larger than the short side of the ice plate, so as to adjust the long side of the ice plate to face the first guide bar.

The invention discloses a snake bone joint, a flexible joint assembly, a surgical operation arm and a surgical robot. The snake bone joint comprises two snake bone bases which can rotate based on respective pivots, the two pivots are parallel and have a constant distance, and the snake bone joint further comprises a first limiting structure and a second limiting structure which are arranged between the two snake bone bases. The first limiting structure comprises a first protrusion and a first groove which make contact with each other, the first protrusion is arranged on one snake bone base part, and the first groove is formed in the other snake bone base part. The second limiting structure comprises a second bulge and a second groove which are in contact with each other, the second bulge is arranged on one snake bone base part, and the second groove is arranged on the other snake bone base part; the pivot of one snake bone base is a first pivot, and the vertical distance between the first protrusion and the first pivot is larger than the vertical distance between the second protrusion and the first pivot. Therefore, the snake bone joint has the advantages of being high in bending precision and high in load deformation resistance.

The invention relates to a welding gun self-adaptive swing adjusting system and method. The system comprises a detection module, a control module, an execution module, a man-machine interaction module, a power module and a storage module. The detection module detects welding seam unevenness information, and after receiving the information, the control module judges whether to drive the execution module to adjust a welding gun to swing or not according to a preset threshold value determined on the basis of the vertical distance between a replaced plate welding initial point and the detection module and the process fluctuation range; meanwhile, a welding seam is tracked through a point-by-point comparison method based on the linear interpolation principle, the moving direction is judged through a deviation function, the feeding direction is determined through a coordinate absolute value and a symbol in a full quadrant, interpolation is stopped when the total step length is gradually decreased to zero, and the method comprises the steps of module initialization, parameter setting, communication detection, judgment and adjustment and welding seam tracking. The invention aims to solve the problems of poor welding quality, low efficiency and more manual intervention caused by poor welding seam flatness, large gap and high-low misalignment in the welding process.

The invention relates to the field of automatic reclaimers, and particularly discloses a remote unattended control system and method for a bucket-wheel stacker-reclaimer, which utilizes a material level radar deployed at the head of a cantilever belt of the bucket-wheel stacker-reclaimer to monitor the vertical distance between the head of the belt and the surface of a coal pile in real time, and determines the position of the coal pile on the basis of the error between the actual distance and the preset distance. And the PLC is used for controlling the adjustment amount of the pitch angle of the cantilever of the bucket-wheel stacker-reclaimer. Meanwhile, in the material level radar distance measuring process, in order to improve the environmental adaptability and measurement accuracy of radar waves, environmental parameter data are further collected in real time through a multi-source sensor, a deep learning algorithm is introduced to conduct deep time sequence analysis on environmental parameters, and the radar transmitting power is intelligently adjusted based on the dynamic interaction change of the multi-source environmental parameters. In this way, dynamic compensation of radar wave propagation characteristics can be achieved, the influence of environmental factors on radar ranging precision is reduced, and therefore the automatic operation precision and safety of the bucket-wheel stacker-reclaimer are improved.

The invention discloses a method for positioning and navigating a closed orchard operation robot based on semantic segmentation, and the method is characterized in that the method comprises the following steps: installing a camera on the operation robot, and carrying out the continuous collection of a current fruit tree inter-row navigation path image when the operation robot runs; establishing a semantic segmentation model based on the improved Fast-Unet network, and solving a path center line equation, namely an inter-row navigation line equation; obtaining fruit tree row endpoints based on a normal method; when the vertical distance D of the fruit tree row end point straight line is smaller than 1 / 2 of the wheelbase of the operation robot, current inter-row navigation is ended; during line changing, the course of the operation robot is controlled to rotate by 90 degrees firstly, then the operation robot is controlled to linearly run by the distance of the diameter of a crown, then the operation robot is controlled to rotate by 90 degrees to enter fruit tree lines, and finally the navigation operation of the operation robot is controlled by repeating the line-to-line navigation method.

The invention discloses a deepwater port steel structure installation construction method which comprises the steps that four positioning datum points are arranged at the bottom of a steel structure body, and each positioning datum point is provided with a composite positioning device connected with a water surface control platform; before sinking, the water surface control platform drives the composite positioning device to obtain initial plane coordinates of the steel structure bodies, the vertical distance between the bottoms of the steel structure bodies and the seabed is measured, and the installation distance between the adjacent steel structure bodies is actually measured; according to real-time data, four guide piles are driven into a target installation area, the arrangement distance is 1 / 5-1 / 3 of the span of a steel structure body, and guide grooves with hydraulic adjusting mechanisms are formed in the top ends of the guide piles; and the steel structure body is hoisted to the position over the guide pile, the hydraulic adjusting mechanism is started, the guide groove generates a guide slope with the inclination angle being 2-5 degrees, the steel structure body sinks along the guide slope, and the sinking track is corrected in real time. According to the method, the positioning precision and stability of deepwater port steel structure installation are improved, and dynamic track correction and closed-loop control are achieved.

The utility model discloses a tool for controlling the elevation of an induction plate of a linear motor, which comprises a cross beam and a measuring assembly, and a first positioning assembly and a second positioning assembly are respectively arranged at two ends of the cross beam, the measuring assembly comprises a sliding seat which is slidably installed on the cross beam and is used for measuring the transverse distance of the measuring points of the induction plate, and a caliper which is installed on the sliding seat and is used for measuring the vertical distance of the measuring points of the induction plate. Through the positioning assemblies arranged on the two sides of the cross beam and the measuring assembly moving on the cross beam, measurement of the transverse distance and the longitudinal distance of the measuring points of the induction plate is achieved, the high-precision requirement for height installation of the induction plate is met, the elevation control precision in the installation process of the induction plate is improved, the construction quality is improved, and the risk of construction rectification is reduced.

The invention discloses a BIM-based gymnasium stand sight line rise difference optimization method and system, and relates to the technical field of gymnasium construction, and the method comprises the steps: 1, obtaining a pre-established stand model; analyzing the model to obtain a competition field sideline, a stand position of any model area and a step point coordinate L1 of each row of steps in the model area; calculating eye point coordinates L2 when the person sits by matching a preset human body model / human body simulation parameter with the step point coordinates L1, and generating a sight line by taking the eye position of each person as a starting point and a viewpoint as an ending point; the viewpoints are intersection points of the sight lines and the competition field side lines; calculating the vertical distance between the sight of the next row of audiences and the eyes of the previous row of audiences to obtain a corresponding sight rise difference C; marking steps with the sight line rising difference C smaller than a preset lower limit threshold value, and generating a to-be-optimized area; and step 2, optimizing parameters of the grandstand. The method has the effect that related workers can conveniently and efficiently design the stand with better visual sense of audiences in the back row.

An aircraft includes a rotary wing comprising a main rotor and a tail rotor, a drive unit configured to rotate the rotary wing, an information acquirer for acquiring position information of an obstacle relative to the aircraft, a display, and a controller including at least one processor and at least one memory coupled to the processor. The processor executes processing including deriving a direction, a horizontal distance, and a vertical distance of the obstacle with respect to the aircraft, based on the position information of the obstacle, determining, for one or both of the main rotor and the tail rotor, whether the direction, the horizontal distance, and the vertical distance satisfy a first distance condition, and displaying an index corresponding to the vertical distance at a display position on the display when the first distance condition is satisfied, the display position being identified by the direction and the horizontal distance.

Methods, systems, and apparatus, including medium-encoded computer program products, for 3D flight tracking of objects includes, in at least one aspect, a method including obtaining (from a camera) two dimensional image data of a golf ball in flight; obtaining radar data (originating from a Doppler radar device) of the golf ball in flight; fitting a curve to the radar data to generate a continuous function of time for the radar data of the golf ball in flight; determining three dimensional location information of the golf ball in three dimensional space including, for each of multiple camera observations, finding a radial distance using the continuous function and a time of the camera observation, finding a depth distance, finding a horizontal distance and finding a vertical distance to the golf ball; and providing the three dimensional location information of the golf ball in three dimensional space to augment other data before display.

The utility model provides a calibration device, which is used for calibrating a base of laser annealing equipment, and mainly comprises at least three laser range finders, the laser range finders are arranged above the base, the at least three laser range finders are located at the same horizontal height and are not collinear, and the laser range finders are used for measuring the vertical distance between the laser range finders and the base; the plurality of adjusters are arranged on the edge of the base, and the adjusters are used for adjusting the levelness of the base; and the controller is electrically connected with the laser range finders and the plurality of adjusters respectively, and the controller controls the plurality of adjusters to adjust the levelness of the base based on the at least three vertical distances measured by the at least three laser range finders. The levelness of the base can be monitored in real time based on the laser range finder no matter whether the laser annealing equipment is executing the laser annealing process or not, the levelness of the base is adjusted in real time through the adjuster, the adjusting time of the levelness of the base can be shortened, and the adjusting efficiency can be improved.

The invention describes a barge for assembly of a floating support structure (1) comprising a lower buoyancy section (2) with a lower buoyancy volume VL and a working deck (3) comprising support elements (4) for receiving parts of the floating support structure to be assembled. The barge further comprises a ballasting system (7) for lowering and elevating the barge (1). The barge is characterized by a divisional section (6) holding the lower buoyancy section (2) and the working deck (3) in a vertical distance from each other and having a divisional buoyancy volume VD considerably smaller than lower buoyancy volume VL, such that the ballasting system, by pumping a quantity of water equal to VD in or out, is able to move the barge (1) between a lower position with a bottom side of the working deck (3) in the waterline, and an upper position with the top side of the lower buoyancy section (2) in the waterline.

The invention provides a casting joint line polishing method based on vision, and belongs to the crossing field of mechanical manufacturing automation and intelligent manufacturing, and the casting joint line polishing method comprises the following steps: obtaining template surface point cloud of a standard casting, carrying out reverse modeling on the template surface point cloud to obtain first template point cloud, and obtaining first measurement point cloud of a casting to be polished; performing rough matching and fine matching on the first template point cloud in sequence, and converting the original joint line model into a new joint line model; points, closest to track points of the template track, in the new joint line model are obtained, for each closest point, the point, having the largest vertical distance from the plane where the new joint line model is located, in the neighborhood of the closest point is obtained, and all the points having the largest distances form a path planning point cloud; and traversing all planning points in the path planning point cloud according to the machining direction, selecting a machining mode according to the machining allowance corresponding to each planning point, and generating a final machining track. The grinding precision, the grinding quality and the grinding efficiency of the joint line can be improved, and the grinding device is also applicable to complex curved surfaces.

The invention discloses an RF-CNN-based power transmission line tree obstacle recognition and positioning method and device and a medium, and belongs to the technical field of image processing, and the method comprises the steps: collecting data through a laser radar system and an RGB image collection device, carrying out the preprocessing of the collected data, carrying out the feature fusion through an RF-CNN model, and carrying out the recognition and positioning of a tree obstacle. And training a multi-task learning model to perform three-dimensional positioning of tree types and tree positions, performing classification through fused feature data in tree identification, identifying different types of trees, positioning the position of each tree in a three-dimensional space, calculating horizontal and vertical distances between the tree and the power transmission line, and evaluating whether the tree forms a tree obstacle risk or not. According to the method, the defects of the prior art in the aspects of tree identification, positioning precision, tree obstacle risk assessment and the like are effectively overcome, the efficiency, precision and reliability of tree obstacle monitoring are improved, and a powerful technical support is provided for intelligent inspection and safety management of a power transmission line.

Mid-air collision (MAC) risk models and systems and methods for generating MAC risk maps are disclosed. An example apparatus disclosed herein includes at least one processor circuit to determine a horizontal distance and a vertical distance between a grid location in an airspace and a point of a flight trajectory, the flight trajectory associated with an encounter event with respect to the grid location, determine a first overlap probability between (a) a first horizontal probability distribution corresponding to the grid location and (b) a second horizontal probability distribution corresponding to the point, the second horizontal probability distribution corresponding to the horizontal distance, determine a second overlap probability between (c) a first vertical probability distribution corresponding to the grid location and (d) a second vertical probability distribution corresponding to the point, the second vertical probability distribution corresponding to the vertical distance, determine, based on the first overlap probability and the second overlap probability, a risk metric corresponding to the grid location, and generate a risk map based on the risk metric.

According to the high-precision laser distance measuring device, in the actual use process, a base is adjusted to be in a horizontal state through a leveling mechanism, then a laser distance measuring instrument is started to emit light, the laser distance measuring instrument is rotated in the horizontal plane through a first angle adjusting mechanism, and the laser distance measuring instrument is rotated in the vertical plane through a second angle adjusting mechanism; the actual length of the light can be measured by making the end point of the light coincide with the measuring point, then the inclination angle between the light and the horizontal plane is determined through the rotation angle of the second angle adjusting mechanism, and the vertical distance and the horizontal distance between the measuring point and the laser range finder can be measured according to a trigonometric function so as to avoid result errors caused by the inclination angle. In addition, the laser range finder can rotate in the horizontal plane and the vertical plane, so that the extension direction of the light is convenient to adjust; in general, by using the high-precision laser distance measurement device, distance measurement is more accurate, and distance measurement can be performed on points at different spatial positions without moving the whole device.

The invention provides a double-groove structure design method for enhancing the sorting performance of a spiral chute, and relates to the technical field of spiral chute structural design. The double-groove structure design method comprises the steps that S1, the inner diameter and the outer diameter of a first groove and the outer diameter of a second groove are selected; s2, selecting a groove spiral line form as an equiangular spiral line, and selecting equiangular spiral line spiral angles of the first groove and the second groove; s3, selecting the maximum depth and the minimum depth of the groove; s4, an adjacent angle between the first groove and the second groove is selected, and the width of the grooves and the total number of the grooves of the spiral chute are selected; s5, the vertical distance between an outlet of the second groove and an inlet of the first groove is selected; and S6, performance checking is conducted on the designed double-groove structure used for enhancing the sorting performance of the spiral chute, if the performance meets the standard, design is ended, and if the performance does not meet the standard, the steps 1-6 are repeated. Rapid and efficient design of the groove structure can be achieved, and powerful technical support is provided for improving the performance of the spiral chute.

The invention relates to the technical field of seed sowing, in particular to a precision sowing system which comprises a moving mechanism, the moving mechanism comprises a moving chassis, a shell is arranged on the moving chassis, a sowing mechanism is arranged on the shell, a control mechanism is arranged in the shell, and the sowing mechanism comprises a fixing frame connected to the shell. A liftable fixing frame is arranged on one side of the fixing frame, a connecting rod is hinged between the fixing frame and the shell, a mounting frame is connected to one end, away from the shell, of the fixing frame, a plurality of seed-metering plates are mounted on the mounting frame, furrow openers are arranged on the seed-metering plates, and the control mechanism comprises an IMU sensor used for detecting the direction. A laser distance measuring sensor used for measuring the vertical distance between the mounting frame and the ground is arranged on the mounting frame, and a control device is arranged in the shell. Therefore, on the premise that the seeds are protected from being damaged, the number of the used seeds can be reduced, the sowing accuracy can be improved, thinning and filling of seedlings are not needed, the yield of unit area is improved, and the sowing efficiency is improved.

The invention discloses a binocular multi-exposure steel rail visual perception method and device, and relates to the technical field of steel rail image processing, and the method comprises the steps: obtaining a low-exposure original image and a high-exposure original image of a steel rail shot by a binocular camera; dividing the low-exposure original image and the high-exposure original image into a plurality of blocks, and calculating block features of each block; the block features comprise local energy, local mass and spatial consistency; the local energy reflects an effective signal proportion related to laser stripes, the local quality reflects similarity among a plurality of sub-regions divided based on blocks, and the spatial consistency reflects a vertical distance between the blocks and a light band energy center; weighting and fusing the calculated block features to obtain a low-exposure initial weight map and a high-exposure initial weight map; and performing guided filtering weight correction on the low-exposure initial weight map and the high-exposure initial weight map, and performing weighted fusion pixel by pixel by using the corrected weight maps to obtain a fused image. The method can retain the significant features and spatial details in the image, and improves the fusion quality of the steel rail image.

The invention discloses a dynamic height compensation-based hot-rolled strip steel deviation visual detection method and system, and the method comprises the steps: installing an industrial camera between two groups of racks, installing a plurality of distance measuring sensors at the same height, calibrating an internal parameter matrix and an external parameter matrix of the camera, and recording the vertical distance from each distance measuring sensor to a calibration plane; in the detection stage, the vertical distance between the distance measuring sensor and the strip steel surface is obtained in real time, and the height offset and the mean value thereof are calculated; in the detection stage, an industrial camera is used for collecting strip steel images in real time, and left and right edges of the strip steel images are detected; calculating coordinates of points on the left and right edges of the strip steel in a world coordinate system through an internal parameter matrix and an external parameter matrix of a camera based on pixel coordinates and a height offset mean value on the left and right edges of the strip steel; outlier filtering and mean value calculation are carried out on the left edge point and the right edge point of the strip steel under the world coordinate system, the actual position of the edge is determined, and the deviation amount is calculated.

The present invention discloses a quality inspection method for new energy vehicle parts, and specifically relates to the technical field of parts inspection. In order to solve the problem that the inspection method mainly relies on manual visual inspection, this method is easily affected by the operator's subjective judgment and fatigue, resulting in inaccurate inspection results, the present invention collects image information of the inspection parts, constructs a three-dimensional model of the parts after pre-processing the image information, divides the parts into welding areas, painting areas and remaining areas according to their application directions, arranges multiple data points on the surface of each divided area, analyzes the vertical distance between each data point and a reference plane to obtain a flatness value of each divided area, integrates the flatness values of each divided area to obtain a qualified degree value of the inspection part, and the obtained qualified degree value can reflect the quality of the parts, thereby saving manpower and improving the accuracy of inspection.

The invention provides a multi-layer cold chain discharging device for hotpot condiments, belongs to the technical field of material conveying equipment, and relates to hotpot condiment discharging. A plurality of pairs of material supporting rods are arranged, a transverse strip is arranged below the outlet end of each conveying belt, and each pair of material supporting rods are arranged on the corresponding transverse strips in a sliding and penetrating mode; the four lifting plates are all horizontally arranged outside the outlet end of the conveying belt, the four lifting plates are arranged around a first rotating shaft arranged in the vertical direction in a circumferential array mode and rotationally arranged around the first rotating shaft, the lifting plates are all movably arranged in the vertical direction, and the vertical distances between the first rotating shaft and the two side faces of the lifting plates are equal. The vertical distances between the first rotating shafts and the material supporting rods are equal, and the width of the lifting plate is smaller than the distance between each pair of material supporting rods. According to the multi-layer cold-chain hotpot condiment discharging device, multi-layer cold-chain hotpot condiment discharging work can be completed without manual participation, the discharging efficiency is high, hotpot condiments are not prone to being damaged, and high practicability is achieved.

The invention relates to the field of power transmission line risk hidden danger monitoring, and provides an unmanned aerial vehicle wire crossing intelligent detection method and system fused with real-time atmospheric compensation, and the method comprises the steps: measuring an atmospheric extinction coefficient in real time, and obtaining a flight path parameter perpendicular to the axial direction of a wire; synchronously collecting multi-source sensing data to generate an observation data set; generating a lead initial point cloud with a credibility label through feature extraction and Bayesian confidence weight; generating a lead complete three-dimensional track based on a catenary equation and a locust optimization algorithm; generating three-dimensional wire space structure data with sub-meter precision by taking the track point as a control point; and calculating an actual vertical distance based on the elevation difference value and generating a crossing identification report. The system comprises a data acquisition module, a multi-source data acquisition module, a point cloud generation module, a catenary parameter optimization module, a three-dimensional structure optimization module and a safety evaluation report module. According to the invention, through real-time atmospheric compensation and dynamic weight fusion, the detection precision and robustness are improved, and the method is suitable for power transmission line inspection in a complex environment.