19results about How to "Fast positioning" patented technology

This invention discloses a positioning method, chip, and robot for a mobile printing robot, comprising: the mobile printing robot starting to work on paper, acquiring an image of the current walking surface through a camera, and then determining a first boundary of the paper based on the acquired image of the current walking surface; the mobile printing robot determining a second boundary of the paper based on the first boundary, and then determining an initial printing position based on the first and second boundaries of the paper. The mobile printing robot can independently acquire the paper boundaries for positioning, without the need for additional positioning tools, making it convenient to use and reducing the overall cost of the machine.

The application provides a converter valve area short-circuit fault positioning method, device, equipment and medium, the method comprises the following steps: dividing the converter valve fault into eight typical valve area short-circuit faults; RTDS simulation analysis, according to the different converter protection action results, dividing into three types of protection actions, giving the typical fault characteristic quantity of the valve difference protection action for positioning the valve area fault and the eight typical valve area short-circuit quick criterion; according to whether the actual converter protection action occurs in the rectifying station or the inverting station, confirming the valve area short-circuit fault occurring station; according to the converter protection action event of the monitoring background, confirming the converter protection action type and the valve area fault converter bridge; calling the built-in fault recording of the DC control protection, analyzing the converter protection action waveform, analyzing the fault characteristics of the current waveform of the valve side of the converter bridge and the outlet current waveform of the DC side, positioning the valve area short-circuit fault point according to the typical fault characteristic quantity of the valve difference protection action and the eight typical valve area short-circuit quick criterion; and has the advantages of fast positioning speed and simple analysis method.

The utility model discloses a wafer film covering device for integrated circuit manufacturing relates to the field of integrated circuit manufacturing, including closed box, be provided with the film covering mechanism in the upper end in closed box, be provided with wafer bearing mechanism in the lower end in closed box, be provided with the loading positioning mechanism in closed box, and the loading positioning mechanism includes the positioning support, a plurality of circumferentially uniformly arranged deflection rods are rotationally connected on the positioning support, the cross connecting disc is fixed in the top of deflection rod, and the adjacent cross connecting disc is hinged through the connecting rod, and the other end fixed with the material receiving tray of deflection rod, and the material receiving tray is fixed with the positioning ring, and the positioning cylinder is hinged between one deflection rod on the positioning support. The beneficial effect lies in: before loading, the wafer is supported through a plurality of circumferentially uniformly arranged material receiving trays, and then a plurality of positioning rings synchronous movement is centered clamped to the wafer, thereby realizing the centring positioning of wafer, and this positioning mode has high centring accuracy, positioning speed is fast, and is convenient for taking and placing.

The utility model relates to the technical field of metal processing auxiliary equipment, and discloses an aligning and positioning tool for laminated processing of metal plates, which comprises a square guide rail, a sliding guide rail and a positioning component. A protruding block is arranged on the inner side of the square guide rail and connected with the two sliding guide rails in a sliding mode, a vertically-sliding positioning piece is arranged in each sliding guide rail, each positioning piece is composed of a sliding part and a rotating part, and the rotating parts are in rolling contact with the plate through the limiting holes. An elastic telescopic rod is arranged between the sliding guide rails to achieve self-adaptive adjustment, and the square guide rails drive the sliding guide rails to move oppositely through electric push rods. The working panel is provided with a guide groove and a slidable positioning sleeve, and plates are diagonally fixed through bolts. According to the tool, the electric push rod drives the positioning piece to conduct multi-direction linkage, the elastic telescopic rod and the rolling contact structure are combined, four-direction automatic positioning of the plate is achieved, the problems that a traditional tool is low in positioning efficiency and poor in precision are effectively solved, and the tool has the advantages of being capable of rapidly adapting to plates of different sizes, stable in multiple angles, capable of preventing deviation and capable of improving the machining precision.

This application provides a battery swapping station. It includes: an object sensing platform for detecting the presence of a vehicle in a preset area, and sending a collection signal to a non-repetitive scanning LiDAR when a vehicle is confirmed to be present; the non-repetitive scanning LiDAR for performing point cloud acquisition upon receiving the collection signal to collect point cloud data of the vehicle's battery box and transmitting it to an attitude positioning device; and an attitude positioning device for determining the spatial position and attitude information of the battery box based on the point cloud data. This invention achieves precise positioning of the battery box across its entire attitude by fixing a single non-repetitive scanning LiDAR to the battery swapping station. It features a simple structure, convenient installation, fast positioning speed, and easy maintenance, reducing the cost of the battery swapping station while improving its stability.

The invention relates to the technical field of detection devices, and discloses a latex screw pump online detection device which comprises a screw pump body, a stirring screw is rotatably connected to the interior of the screw pump body, a processing pipeline is fixedly connected to the side, close to the stirring screw, of the screw pump body, and a feeding pipe fixedly communicates with the top of the processing pipeline. The side, away from the screw pump body, of the machining pipeline fixedly communicates with a discharging pipe. An inner cavity of the machining pipeline is provided with a detection positioning assembly for detecting whether the interior of the pipeline is blocked or not. Through the arrangement of the detection positioning assembly, a rotating motor is started to drive a rotating shaft and a sleeving ring to continuously rotate, the rotation is finally converted into the reciprocating linear motion of a sliding block, when a temperature sensor detects the temperature change, the motion is stopped, the effect of positioning the blockage is achieved, manual positioning is replaced with temperature sensing, and the working efficiency is improved. Not only is the blocking object positioning speed improved, but also the effect of saving manpower is achieved, so that the repair and maintenance cost is reduced.

The invention belongs to the technical field of power distribution network single-phase earth fault positioning, and particularly discloses a low-current grounding system single-phase earth fault section positioning method and system. The method comprises the steps of determining whether to start detection of single-phase earth fault section positioning or not based on abrupt changes of zero-sequence voltage and zero-sequence current at an outlet of a protected section; if the detection is started, the outlet of each section of the small current grounding system respectively calculates the transient zero sequence power of the outlet; determining an integral time window by using a zero-cross detection and continuity check mechanism, and integrating the transient zero-sequence power in the corresponding time window to obtain generalized transient zero-sequence energy; and judging whether the fault point is located at the upstream or downstream of the current measurement point based on the positive and negative generalized transient zero-sequence energy at the outlet of the protected section, and further judging whether the section between the two measurement points is a fault section. According to the method, the polarity difference of generalized transient zero-sequence energy of the fault section and the non-fault section is maximized, and the method is not influenced by transition resistance and line changes.

The application discloses a wafer detection Mark point positioning method, comprising the following steps: acquiring all picture images under the same index of a wafer detection image, and performing coarse positioning on the corresponding picture images through a first template covering information around a to-be-detected Mark point; cutting out a coarse positioning area according to a coarse positioning result, and performing fine positioning on the corresponding coarse positioning area through a second template containing only the to-be-detected Mark point; calculating a matching score of each to-be-detected Mark point according to the coarse positioning result and the fine positioning result, sorting the matching scores, and selecting a to-be-detected Mark point with the highest score as a target Mark point for accurate positioning. The method can solve the problem that a traditional Mark point positioning method adopts single template matching calculation, and error positioning is prone to occur in the case that a Mark point and a non-Mark point background are very similar.

A positioning method, a detection method and a detection system, the positioning method comprises the following steps: detecting at least two adjacent reference points on the surface of a to-be-detected object, obtaining first coordinate information of a first to-be-detected area in a first coordinate system; obtaining a conversion relationship between the first coordinate system and a second coordinate system; and obtaining second coordinate information of the first to-be-detected area and other to-be-detected areas in the second coordinate system according to the conversion relationship, the first coordinate information of the first to-be-detected area in the first coordinate system and a periodic distribution rule of the to-be-detected areas. Since the detection is performed on a limited number of reference points, the positioning speed of the to-be-detected area can be improved, accurate positioning of the to-be-detected point can be realized according to the coordinate information of the to-be-detected area in the second coordinate system, and therefore, rapid and high-precision detection of the to-be-detected area of the to-be-detected object can be realized.

The utility model discloses a vertical drilling machine which comprises an installation frame, a drilling machine body arranged on the installation frame in an up-down sliding mode, a feeding mechanism driving the drilling machine body to slide up and down, a clamping mechanism clamping a steel rail during drilling and a positioning mechanism. The clamping mechanism is arranged on the mounting frame in a vertical sliding mode, the positioning mechanism is provided with a positioning face abutting against the end face, to be drilled, of the steel rail during drilling, a positioning hole penetrating through the positioning mechanism is formed in the positioning mechanism, the position of the positioning hole corresponds to that of the drill bit, the central axes of the positioning hole and the drill bit are collinear, and the diameter of the positioning hole is larger than the diameter of the drilled hole. The drilling machine is high in positioning speed, high in efficiency and high in precision during drilling. And the drilling machine can be fixed to the steel rail through cooperation of the positioning mechanism and the clamping mechanism, so that the drilling machine is fixed stably, the shaking phenomenon is not likely to occur in the drilling process, the drilling position is not likely to deviate in the drilling process, and the drilling position precision can be further guaranteed.

The application discloses a single station terminal fingerprint positioning method based on a square weighted K nearest neighbor algorithm and belongs to the technical field of fingerprint positioning. The method comprises the following steps: based on a channel frequency response (CFR) matrix, a position fingerprint matrix (FRCPM) with higher positioning precision is extracted; a fingerprint compression is performed on the fingerprint matrix (FRCPM) to obtain a compressed fingerprint (FCPV) with smaller data scale and being more beneficial to improving positioning speed; and a square weighted K nearest neighbor matching method with higher positioning precision is obtained by improving the weighted K nearest neighbor method.

This utility model discloses a positioning fixture for the oil tanker frame's oil cap, relating to the field of shipbuilding fixture technology. It includes a connecting part and a positioning part. The connecting part is used to hook onto the edge of the longitudinal rib through-hole in the rib plate, and the positioning part connects to the connecting part and is used to position the oil cap. This utility model achieves oil cap positioning and force transmission by having the connecting part hook onto the edge of the longitudinal rib through-hole in the rib plate, and the positioning part positions the oil cap. The base of the oil cap acts on the positioning part, and the piston of the oil cap acts on the longitudinal rib. The force is applied to the longitudinal rib through-hole in the rib plate via the connecting part, thus realizing the positioning of the oil cap and the transmission of force. This allows for convenient and rapid adjustment of the relative position of the longitudinal rib and the rib plate via the oil cap. This application can reduce workload, increase positioning speed, and thus improve construction efficiency.

This utility model discloses a rebar cutting and unloading device for utility poles, relating to the field of utility pole recycling technology. The utility model includes a guide rail, with an unloading mechanism on one side of the top of the guide rail and a support platform on the other side. An axial adjustment assembly is located on one side of the support platform. The axial adjustment assembly includes a hydraulic telescopic cylinder fixedly connected to the top of the support platform, a support plate fixedly connected to the telescopic end of the hydraulic telescopic cylinder, a movable plate on the top of the support plate, a groove on one side of the movable plate, and a mounting plate movably connected to the inner cavity of the groove via a rotating shaft. This utility model achieves digital programming of the cutting trajectory through the linkage control of the axial adjustment assembly and the angle adjustment assembly. A servo motor drives a threaded rod for fine-tuning the angle, and a three-point adjusting rod provides rigid support, ensuring that the cutting plane and the rebar tangent precisely form an optimal 15-degree cutting angle, thus improving processing efficiency.

The application discloses a method and device for improving positioning accuracy of a steel taking machine of a heating furnace, and belongs to the technical field of hot-rolling heating furnaces. The method is implemented by refining C values in a mathematical model of the steel taking machine of the hot-rolling heating furnace, obtaining C values of slabs of various widths, and determining advancing or retreating APC strokes of the steel taking machine. The mechanical inertia of the equipment when the steel taking machine is stopped is improved through PLC, so that the steel taking machine is positioned. The slabs of various widths are debugged and functionally improved, so that the positioning accuracy of the steel taking machine can be directly quantified. The application can improve the position accuracy of the steel taking machine and solve a series of problems such as steel spreading and deviation of the heating furnace.

The utility model belongs to the technical field of adhesive tape production, and concretely is a positioning cutting device for adhesive tape production and processing, which comprises a cutting machine tool, a sleeve and an adhesive tape roll, the top of the cutting machine tool is slidably connected with a tailstock, the adhesive tape roll is sleeved on the outer lateral wall of the sleeve, the sleeve is fixed in the middle of the cutting machine tool through the chuck and the tailstock of the cutting machine tool, the top of the cutting machine tool is provided with a moving module, the cutting machine tool is provided with a cutting seat through the moving module, the top of the cutting seat is rotatably connected with a cutting blade, through the above structure, the interval between the positioning assembly and the cutting blade is adjusted and set, the adhesive tape production positioning cutting structure is formed, the function of quickly positioning and cutting the cutting blade is realized, the problem that the cutting blade needs to be manually adjusted in distance when cutting the adhesive tape roll is solved, the operation steps of positioning during adhesive tape cutting are simplified, the speed of cutting the adhesive tape roll is improved, and the situation that the cutting end face of the adhesive tape roll is uneven due to the abrasion of the cutting blade is reduced.

The utility model discloses an automobile grille cutting and positioning tool, which relates to the field of automobile accessory processing, and comprises a table top and a bearing platform deck arranged above the table top, the table top and the bearing platform deck are both of a hollow structure, and two groups of first positioning seats and second positioning seats are symmetrically arranged on the bearing platform deck. And when the automobile grille is arranged on the surfaces of the first positioning seat and the second positioning seat, the cutting manipulator is positioned below the table board to carry out cutting operation. The first positioning seat and the second positioning seat are each provided with a rotatable first limiting pressing rod and a rotatable second limiting pressing rod. The automobile grille positioning device can be located on the inner side and the outer side of an automobile grille to conduct synchronous positioning operation and abut against the arc-shaped faces on the inner side and the outer side of the automobile grille, the effect of synchronous positioning of the inner side and the outer side is achieved, and the positioning speed is increased. By means of the positioning mode, the automobile grille can be effectively prevented from deviating in the cutting machining operation process, and the stability of the automobile grille in the cutting operation process is further improved.

The application belongs to the technical field of single-phase grounding fault positioning of distribution network, and particularly discloses a small-current grounding system single-phase grounding fault section positioning method and system; the method comprises the following steps: determining whether to start the detection of single-phase grounding fault section positioning based on the abrupt variables of zero sequence voltage and zero sequence current at the outlet of the protected section; if the detection is started, the outlet of each section of the small-current grounding system respectively calculates the transient zero sequence power of each section; the integral time window is determined by using the zero-crossing detection and continuity checking mechanism, the transient zero sequence power is integrated in the corresponding time window to obtain the generalized transient zero sequence energy; whether the fault point is located upstream or downstream of the current measurement point is judged based on the positive and negative of the generalized transient zero sequence energy at the outlet of the protected section, and whether the section between the two measurement points is the fault section is further judged. The application maximizes the polarity difference of the generalized transient zero sequence energy of the fault section and the non-fault section, and is not affected by the transition resistance and line change.

The application discloses a petrochemical park gas leakage monitoring and positioning method, comprising the following steps: determining the downwind boundary of the target park dominant wind direction as a monitoring boundary, and obtaining the light path integral concentration data and meteorological data on the monitoring boundary; reconstructing the light path integral concentration data, and obtaining a self-checking result according to the reconstruction result; and determining the position of a leakage source based on an optimization algorithm inversion according to the self-checking result. The application also discloses a petrochemical park gas leakage monitoring and positioning system, an electronic device and a storage medium. The application cooperates the monitoring boundary design and the active optical monitoring with the meteorological data, performs self-checking based on the light path integral concentration reconstruction, and then determines the leakage source through the optimization algorithm inversion. The application has strong implementability, can quickly and accurately position the leakage source under the premise of not affecting the normal production of the petrochemical park, and provides reliable guidance for subsequent emergency disposal.