54results about How to "Avoid Manual Measurements" patented technology

The invention relates to a rock fragment size classification method based on multiple features and segmentation recorrection. The method comprises the following steps that (1) an original rock fragment size image is cut and blocked to generate subblock images of 64*43; (2) color feature extraction is carried out on the subblock images; (3) texture feature extraction is carried out on the subblock images; (4) feature selection is carried out on color features and texture features; (5) a classifier is designed through a support vector machine (SVM), and rough classification on the subblock images is completed; (6) watershed segmentation is carried out on the original rock fragment size image, and each obtained rock area is marked as blob; (7) on the basis of segmentation, a result obtained through rough classification is corrected and adjusted to improve classification performance and obtain a final classification result. According to the classification method, different classification algorithms are synthesized, efficiency and accuracy are high, cost is low, and the real-time performance requirement of a mining field is met.

The invention discloses a method and device for measuring the weight of livestock, and the method comprises the steps: obtaining image data, wherein the image data is captured through the photographing of the livestock at different angles; carrying out the segmentation of the image data of the livestock to obtain segmented images; calculating the projection areas of the livestock at different photographing angles according to the pixels, representing the livestock, in the segmented images; and inputting the projection areas of the livestock at different photographing angles into a weight measurement function for measuring the weight of the livestock. The method and device provided by the invention solve a problem that the measurement efficiency and accuracy of the weight of the livestock are not high.

The invention discloses a single-image truck volume measurement method based on a three-dimensional model. The single-image truck volume measurement method mainly solves the problems that a current measurement method is large in work intensity and not high in automation degree. The single-image truck volume measurement method includes the steps of 1, calibrating intrinsic parameters of a true camera, building a virtual reality environment through an OpenGL function library, and guiding an image of a measured truck and the three-dimensional model of the truck into the environment; 2, identifying feature points of the truck in the image of the truck with an ASM algorithm, and building the relationship between the image of the measured truck and the three-dimensional model of the truck; 3, automatically matching the three-dimensional model of the truck with the image of the measured truck through to-be-matched points on the image of the measured truck and control points on the three-dimensional model of the truck; 4, calculating the volume of the measured truck through the volume of the three-dimensional model of the truck according to the proportional relation between the virtual reality environment and the true environment. The single-image truck volume measurement method is rapid and accurate in measurement and high in automation degree, and can be used for a charging system of an expressway.

The invention provides an automatic guiding construction system and a construction method of an excavator, the technical problems of automatic excavator construction and control construction precisionare solved, An automatic guidance system for an excavator includes a satellite, base station, Radio, vehicle control, Vehicle guidance controller, attitude sensors and complete hydraulic controls, Amethod for carry out construction by using that system At first, that construction position and the construction work condition are input into the vehicle controller, Then according to the GPS signalreceiver to confirm the excavator position, through the attitude sensor to receive real-time working condition information, the working condition information is fed back to the vehicle guidance controller to calculate the construction error, the error is fed back to the vehicle controller, the vehicle controller further adjusts the excavator construction action. The invention also has the advantages of high construction accuracy, avoiding manual measurement, reducing the technical requirements for the constructors, reducing the construction cost and improving the construction efficiency. The invention also has the advantages of high construction accuracy, avoiding manual measurement, reducing the technical requirements for the constructors, reducing the construction cost and improving theconstruction efficiency.

The invention discloses a house type chart generation method, device and equipment based on image detection and a storage medium. The method comprises the steps: when detecting that a terminal interface receives a first measurement instruction, starting a shooting device to obtain a reference horizontal plane in a room corresponding to the first measurement instruction, and establishing a space coordinate system according to the reference horizontal plane; collecting boundary distance of all boundaries in the room, and according to coordinate values in the space coordinate system, generating an entity space size of the room based on the boundary distance in the space coordinate system; and when a second measurement instruction is received, obtaining a measurement size corresponding to thesecond measurement instruction, adding the measurement size to the entity space size, generating a house type chart of the room, and outputting the house type chart. According to the scheme, the housetype chart of the room is established based on the image detection technology, so that the operation process of room measurement is simplified, and the house type chart generation efficiency based onimage detection is improved.

The invention discloses a fixed-length measuring device for saw cutting of sectional bars. The fixed-length measuring device comprises a mounting plate, a moving unit, a first fixed unit, a cutting unit, a second fixed unit, and a transfer unit, wherein two corresponding connecting plates are arranged on the upper side surface of the mounting plate; a mounting box is fixed to the right side surface of the mounting plate; an opening is formed in the upper side surface of the mounting box; the moving unit comprises a first motor, a sliding block, a threaded rod, and a limit rod; the first motoris arranged on the right side surface of the mounting box; the sliding block is connected to the interior of the mounting box in a sliding manner; a threaded hole is formed in the middle of the sliding block; the interior of the threaded hole is in threaded connection with the threaded rod; and the right end surface of the threaded rod is connected to an output shaft of the first motor. The fixed-length measuring device can effectively avoid the disadvantages of manual measurement, can perform the large-batch fixed-length cutting, and greatly improves the efficiency of fixed-length cutting.

The invention discloses a cylinder special-shaped buckling detection device and a recognition method. The device comprises a camera, a laser range finder, a level instrument and a tripod. Monocular vision and laser are combined for detecting the maximum diameter of the special-shaped buckling appearing after a concrete filled steel tubular column is detected to be subjected to low cyclic loading. Measurement requirements can be met, the maneuverability, the flexibility and the measurement accuracy of the measurement device can be improved, the phenomenon that the measurement efficiency and the measurement precision are reduced as the camera and the laser range finder mutually separated are used frequently in turn can be avoided; Hough transform based on secondary gray value processing is used, a circle tangent to points at two ends of the maximum diameter of the buckling is found and calculated, secondary gray value threshold processing is carried out, remaining noise points are reduced, and the accurate maximum buckling position at a sample and the maximum diameter of the special-shaped buckling can be acquired.

The invention discloses a manufacturing method of a ring gauge. The manufacturing method comprises: acquiring raw materials, and removing impurities from the raw materials; casting the raw materials so as to obtain cast semi-finished products; carrying out cooling treatment on the cast semi-finished products; carrying out first automatic measurement on the cooled semi-finished products, and separating measured qualified products from measured unqualified products; carrying out rough machining on the qualified products subjected to first automatic measurement; carrying out second automatic measurement on the semi-finished products subjected to rough machining, and separating measured qualified products from measured unqualified products; carrying out finish machining on the qualified products subjected to second automatic measurement; and carrying out third automatic measurement on the semi-finished products subjected to finish machining, and separating measured qualified products from measured unqualified products. The manufacturing method realizes the technical effects of high production efficiency and high qualified rate.

The invention discloses an intelligent positioning drip irrigation monitoring system based on the internet of things and belongs to the technical field of intelligent agricultural irrigation. The system is characterized by comprising a data server, multiple wireless routers and a monitoring terminal device; the monitoring terminal device is used for acquiring and monitoring the soil temperature and humidity parameters, irrigation device leakage situation and Wife positioning RSSI values of the system, and the signal output terminal of the monitoring terminal device communicates with the corresponded wireless router through a Wife wireless network; the wireless routers are connected to the data server to serve as basic equipment on the basis of Wife fingerprint recognition and regional communication; the data server is connected to a user's upper computer through a signal line, and the user's upper computer is used for monitoring the soil information and safe irrigation situation. By the wireless sensing network technology, accurate control is provided for irrigation of precious flowers and plants, and the system has the advantages of simple structure, low operation cost, intelligent monitoring implementation, wide application range and complete functions.

The invention discloses a dimension measuring device. The dimension measuring device comprises a driving motor; a transmission mechanism which is connected with an output shaft of the driving motor and outputs linear motion; a first sensor which is arranged at the output end of the transmission mechanism and used for sequentially detecting a first boundary position and a second boundary position of a to-be-detected part of the workpiece in the moving process; a processor which is connected with the first sensor and is used for determining a first corner position of the driving motor when a signal of a first boundary position detected by the first sensor is acquired, determining a second corner position of the driving motor when a signal that the first sensor detects the second boundary position is obtained, and calculating the distance between the first boundary position and the second boundary position according to an angle difference value between the first corner position and the second corner position. The product dimension can be automatically detected, and the measurement accuracy is high. The invention further discloses a dimension measuring method applied to the dimension measuring device and a dimension measuring system comprising the dimension measuring device.

The invention is suitable for the technical field of machining and provides a tubular product cutting and transferring device. The tubular product cutting and transferring device comprises a worktable, supporting transfer rollers, pushing transfer rollers, double spiral chute rods, a sawing plate, and a rotary driving part, wherein the supporting transfer rollers are rotatably arranged at two endsof the worktable in a transfer direction of a tubular product for supporting and transferring the tubular product; the pushing transfer rollers are liftably and rotatably connected to two ends of theworktable and are matched with the supporting transfer rollers to clamp and transfer the tubular product; the two double spiral chute rods are rotatably connected to the middle of the worktable and sliding blocks are embedded onto the double spiral chute rods in a fit manner; the sawing plate is rotatably connected to the sliding block and is coaxially and fixedly connected to a connecting gear;the rotary driving part is mounted on the worktable, and an output shaft of the rotary driving part is coaxially connected to a driving one-way belt wheel and a driven gear; the supporting transfer rollers are coaxially and fixedly connected to a driven belt wheel, the double spiral chute rods are coaxially and fixedly connected to a one-way gear, and an insection rack is engaged with the connecting gear. The tubular product cutting and transferring device has the advantages of simple structure, convenience in operation, low production cost, good synchronism and high cutting efficiency.

The invention belongs to the technical field of door equipment and relates to a door capable of measuring body temperature. The door comprises a door frame, wherein the door frame comprises a door frame body, the bottom of the door frame body is fixedly connected with a surface of the ground, a sliding groove is formed on a surface of the ground in the door frame body, a measurement triggering device is arranged in the sliding groove, the measurement triggering device comprises a contact block, and the bottom of the contact block is fixedly connected with an inner bottom wall of the sliding groove. The door capable of measuring body temperature is advantaged in that a measurement adjusting device is arranged at one end of the door frame body, the measurement adjusting device comprises a motor mounting plate, and a surface of the motor mounting plate is fixedly connected with the top of the door frame body, so the effect of automatically adjusting the proper position to measure the bodytemperature according to different heights of people is achieved, existing manual measurement is avoided, labor cost is reduced, and measuring efficiency is improved.

The invention relates to a difficult airway evaluation method and device based on a machine learning voice technology. The method comprises the following steps: acquiring voice data of a patient; performing feature extraction on the voice data to obtain acoustic features, voiceprint features and voice recognition features; and constructing a difficult airway evaluation classifier based on a machine learning voice technology, analyzing the extracted acoustic features, voiceprint features and voice recognition features through the trained difficult airway classifier, and scoring the severity of the difficult airway to obtain an evaluation result of the difficult airway. According to the method, early warning can be accurately carried out on difficult airways in clinical anesthesia.

The embodiment of the invention provides a face size determination method and device, and the method comprises the steps: collecting a first to-be-detected face image of a to-be-detected target, and enabling the first to-be-detected face image to comprise a first to-be-detected face of the to-be-detected target and a circular reference object; acquiring a first pixel value of the first to-be-detected face and a second pixel value of the circular reference object; under the condition that the roundness of the circular reference object is greater than a preset roundness threshold value, acquiring an inclination angle of the circular reference object; and according to the first pixel value, the second pixel value, the inclination angle and the actual size of the circular reference object, determining the first size of the first to-be-detected face. According to the embodiment of the invention, the first size of the first to-be-measured face is determined according to the actual size and the inclination angle of the circular reference object and the pixel value in the first to-be-measured face image, so that the measurement operation steps in the prior art are simplified, and the accuracy of measuring the size of the face is improved.

The invention discloses an antenna downtilt angle automatic adjustment method and system based on unmanned aerial vehicle vision measurement. The method comprises: an unmanned aerial vehicle shooting an antenna real-time image and sending the image to an upper computer, then the upper computer processing the antenna real-time image through a trained instance segmentation network model to obtain an antenna mask, and the upper computer calculating by using a least square method according to the antenna mask to obtain a real-time antenna downtilt angle and further obtain an adjustment signal; and finally, sending an adjustment signal to the antenna to automatically adjust the downtilt angle of the antenna. Through the cooperation of the antenna, the unmanned aerial vehicle and the upper computer, the downtilt angle of the antenna is automatically shot, calculated and adjusted, and the method has the characteristics of high automation and intelligence, and is convenient and fast. Manual tower climbing is not needed in the whole process, potential safety hazards caused by tower climbing are avoided, and time and labor are saved.

The invention discloses a paper curling degree detection device with high-precision positioning. According to invention, a target point can be effectively positioned through a laser lamp, manual artificial errors of each shooting are reduced, the positioning time is greatly shortened, and the detection efficiency is improved. Through the cooperative use of a sharp part and a sharp groove, the movable gap between a horizontal rod and a horizontal table can be better reduced, the shaking of a camera is reduced, and the problems that pictures are fuzzy and the measurement difficulty and errors are increased due to the shaking in shooting are prevented. The constant environment of the paper curling process and paper measurement operation is guaranteed through a constant-temperature and constant-humidity test box, and detection errors caused by environmental instability are avoided. According to the invention, the camera is used for photographing and recording the curled paper, thereby notonly being capable of measuring visually and accurately on the picture, but also greatly avoiding manual measurement through a manual caliper at the same time, and avoiding the influence on a measuredvalue due to manual change of a curling effect during the manual operation.

The invention discloses an indoor SLAM mapping method based on a 3D laser radar and UWB, and the method comprises the steps: deploying a UWB positioning system in an indoor scene, exploring the region of the indoor scene through a robot carrying a 3D laser radar sensor, and generating a map of the explored region through an SLAM algorithm fusing laser radar data and UWB data. The method specifically comprises the following steps: S1, determining relative pose transformation between a 3D laser SLAM coordinate system and a UWB positioning coordinate system; S2, providing an initial value for inter-frame matching of the laser speedometer by using UWB data; S3, using UWB data to add constraints to the SLAM rear-end pose map; and S4, performing loopback detection based on curvature feature coding. According to the method, the illumination condition limitation of an indoor scene is broken through, and the accumulated error of SLAM is eliminated, so that a high-quality indoor map is constructed.

The invention relates to a target coordinate measurement method and system based on a linkage deflection type active visual system, and the target coordinate measurement method comprises the steps of: enabling a checkerboard to be vertically disposed in an image collection range of a visual system, and enabling the surface of the checkerboard to be perpendicular to the z-axis of a visual coordinate system of the visual system when the deflection angle of a camera is 0; collecting images of the checkerboard through a first camera and a second camera respectively to obtain a first image and a second image; acquiring calibration parameters based on internal parameters of the cameras according to the first image and the second image; and determining the three-dimensional coordinates of each angular point in the checkerboard according to the calibration parameters. According to the invention, the checkerboard is vertically arranged in the image collection range of the visual system, and the three-dimensional coordinate of any point in a public field of view of the visual system can be quickly and accurately determined through the calibration parameters of the visual system based on the internal parameters of the first camera and the second camera of the visual system and according to the acquired first image and second image.

The invention discloses a rapid manufacturing method and a manufacturing assisting system of a composite structural slab. By the aid of the manufacturing assisting system, a structural slab model image is projected to the surface of a lower skin object by a projector through acquisition of a lower skin object image of the structural slab, acquisition of the structural slab model image and image matching and transformation, and then, an object embedded part, a honeycomb core and an upper skin of the structural slab are sequentially assembled. With the adoption of the rapid manufacturing methodand the manufacturing assisting system, acquisition of assembly information by workers on site can be simplified, and the production efficiency, accuracy and one-time success rate are greatly improved.

The invention discloses a bridge crack detection device for municipal bridge engineering, and relates to the technical field of bridge crack detection devices, in particular to a bridge crack detection device for municipal bridge engineering, which comprises a placement table, a strip-shaped rod and a fixing cylinder, and is characterized in that the interior of the fixing cylinder is connected with a motor through a bolt; and a rotatable threaded rod is inserted into the strip-shaped rod. According to the bridge crack detection device for municipal bridge engineering, a motor is started to drive a threaded rod to rotate, so that a first L-shaped measuring rod moves back and forth, and the distance between the first L-shaped measuring rod and a second L-shaped measuring rod is checked by using scale values, so that the size of a crack is conveniently measured, manual measurement is avoided, and the measurement efficiency is greatly improved; and the fixing cylinder can protect the motor, the service life of the equipment is prolonged, and the placement table can facilitate recording and working of workers and facilitates office use of the workers.

The invention relates to the technical field of generator monitoring, in particular to a gas generator set rotor shaft voltage on-line monitoring device which comprises two monitoring device bodies and a set control cabinet, wherein each monitoring device body comprises a conductive carbon brush and an electric brush support, the conductive carbon brushes are tightly attached to a rotor shaft, the electric brush support is provided with a brush holder, the conductive carbon brush is fixed on the electric brush support through the brush holder, the electric brush support is provided with a metal end part, one end of the metal end part is connected with the conductive carbon brush through a lead, and the other end of the metal end part is connected with a high internal resistance voltmeter in the unit control cabinet through a cable. The generator excitation end large shaft leads out the shaft voltage through the conductive carbon brush device, the shaft voltage is connected into the set control cabinet, in the working process of the generator, the numerical value of the shaft voltage can be monitored in real time, the damage risk of main equipment of the generator is reduced, and meanwhile the safety risk caused by manual measurement is avoided.

The invention discloses an indoor environment reconstruction method based on the single view geometry principle. The method comprises the steps of selecting and measuring calibration points and calibration line segments, collecting single-view images, and determining the height and foot points of indoor objects. Compared with the prior art, three-dimensional data information of all the objects in the indoor environment are extracted, manual measurement for the indoor environment information data is reduced on the premise that certain precision is ensured, a large amount of time and energy are saved, working efficiency is improved, the technical aim that the indoor environment is reasonably and fast reconstructed is achieved, and then the indoor environment radio wave propagation characteristics are effectively analyzed based on the ray tracing algorithm through the reconstructed environment information data.

The invention provides a wheelchair stability detection device and method, belonging to the technical field of wheelchair balance detection. The beneficial effects of the present invention are: the present invention can make the distance between each wheel of the wheelchair be calculated by the known data measured by the existing balance panel, avoiding manpower measurement, fast and accurate; making the load center point of the wheelchair and The center of gravity of the wheelchair does not require a cumbersome and complicated detection process, and can scientifically and reasonably measure the changes in the stability of the wheelchair, providing an intuitive and effective basis for the formulation of a plan to improve the stability of the wheelchair; it is convenient for the production and use of wheelchairs. The evaluation has greatly guaranteed the personal safety of the wheelchair user; in addition, the sensor layout is reasonable and the structure is exquisite, and it is not disturbed by the lateral force when testing the stability of the wheelchair, and the measurement results are accurate, which can scientifically and reasonably detect the stability of the wheelchair vehicle .

The invention discloses an automatic fool-proof laser engraving operation device. The device comprises a laser engraving machine, a laser engraving jig, a controller and an induction needle, the laser engraving jig can be fixedly installed on a workbench of the laser engraving machine, a positioning groove matched with a workpiece to be machined in shape is formed in the laser engraving jig, and the induction needle is fixedly installed on the bottom face of the positioning groove. At least one induction point is arranged on the induction needle, each induction point can detect the distance between the induction point and a product positioned in the positioning groove, the induction needle is electrically connected and communicated with the controller, and the controller controls the laser engraving machine to be started and stopped, so that manual measurement before laser engraving machining is avoided, inspection and operation are combined into one procedure, the machining efficiency is improved. Misjudgment is avoided, the detection and processing accuracy is improved, and the labor cost is saved.

The invention belongs to the technical field of production equipment of automobile parts, and provides an assembling screw device for a roof rack. The device comprises a main frame, wherein an assembling platform is arranged on the main frame; a plurality of positioning pedestals are transversely arranged at intervals on the assembling platform, and an aluminum pipe body to be assembled is positioned on the positioning pedestals; each of the left end, the intermediate end and the right end of the main frame is provided with a base detecting assembly; a position control assembly is arranged beside each base detecting assembly; an air blowing assembly is arranged at each of two end parts of each positioning pedestal; a screwdriver is arranged on the main frame and is electrically connected to a measuring instrument; and the torque value of the screwdriver in screw tightening can be measured and recorded in real time through the measuring instrument, thus realizing the traceability. The device has the advantages that the screw torque can be measured and recorded in real time; manual measuring is avoided; and moreover, the whole torque value is traceable, so that the accuracy of screwand nut assembling mounting positions can be ensured; and the assembling efficiency of the roof rack is improved.

The invention relates to an anti-interference electricity system of a self-matching alternating current contactor, and belongs to the technical field of power electronics. The system comprises a central control unit, a voltage isolation conversion measurement unit, an AC-to-DC power supply unit, a half-bridge AC-to-DC conversion unit, a super capacitor charging and discharging unit, a voltage conversion unit, a PWM isolation output voltage unit, a contactor voltage isolation conversion unit, a first relay, a second relay, a storage unit and an input and output unit. The system is reasonable in structure, can automatically calculate the voltage which should be output when the contactor dazzles electricity, is simple in calculation, can reduce the requirement for a CPU, and improves the efficiency.