7results about How to "Solve the positioning accuracy" patented technology

The invention relates to the technical field of integrated navigation, in particular to a positioning method and system based on optical angle measurement and astronomical-inertial integrated navigation. According to the method, firstly, a star image and a navigational satellite image are obtained at the same time by shooting a star map, after recognition and processing, the attitude of a camera relative to a geocentric inertial coordinate system is calculated by utilizing the star, and then the coordinate of the navigational satellite in the coordinate system is determined. And obtaining angle information of the navigation satellite relative to the observer under the earth coordinate system through coordinate transformation. Optical angle measurement information is fused with attitude, speed and position information output by an inertial navigation system, a Kalman filtering state equation and an observation equation are constructed, and finally real-time high-precision calculation and updating of the position of the observer are achieved. According to the method, the accuracy of optical angle measurement, the limited distance reference of celestial navigation and the autonomous continuity of inertial navigation are fused, and the navigation positioning accuracy and reliability under the complex environment and the satellite denial condition are effectively improved.

The utility model discloses a cutting device is used in acrylic panel processing, include: shell, the inside fixed of shell is equipped with transport platform, the output of motor is worn into the shell fixed connection has second pivot, the outside fixed connection of second pivot has two groups of crown gear, the left side frictional coupling of crown gear has second gear, the central position fixed connection of second gear has second screw rod, and the both ends of second screw rod are rotatably connected with support plate through bearing, and the outside swing joint of two groups second screw rod has push block, and the device is designed as the front end can decline formula structure through supporting the table, realizes the automatic unloading function after cutting, and keeps flush with transport platform after resetting, provides stable support for the front end of board, effectively solved the positioning accuracy problem that the thin plate was caused by gravity droop, adopts the design of screw rod drive baffle cooperation integrated scale mark simultaneously, realized fast accurate positioning.

The utility model belongs to the field of drill rod inserting devices, and particularly relates to a safe drill rod inserting device for water and soil conservation monitoring, which comprises a main body, a quick disassembly and assembly component is arranged on one side of the main body and comprises a fixed seat arranged on one side of the main body, and a protective shell is arranged at the top of the fixed seat. A water and soil conservation monitor is fixedly mounted at the top of the protective shell, a servo motor is fixedly mounted in an inner cavity of the bottom of the protective shell, a first belt wheel is fixedly mounted at the output end of the servo motor, a transmission belt is in meshed connection with the outer surface of the first belt wheel, and a second belt wheel is in meshed connection with the other side of the transmission belt; a servo motor drives a first belt wheel and a transmission belt to drive a second belt wheel and a ball screw to rotate, so that a ball nut moves along the ball screw, clamping connection or separation of a second clamping block and a clamping groove is achieved, the rapid mounting and dismounting functions of the protection shell and the water and soil conservation monitor are achieved, the problem that an existing device is tedious in mounting and dismounting is solved, and the practicability is high. And the efficiency of monitoring work is improved.

This invention discloses an intelligent inspection system for the appearance and dimensions of capacitors, belonging to the field of capacitor appearance quality inspection technology. It aims to solve the problems of low efficiency, inconsistent standards, limited functionality, and cumbersome workstation switching in existing manual inspection methods. The system includes an image acquisition module, an image processing and inspection module, a workstation control module, and an information storage and output module. The supporting hardware structure includes a chassis, a rotary motor, a pentagonal turntable, an extension block, a lifting cylinder, and a mechanical gripper. Through multi-station image acquisition and comprehensive image processing, it achieves full-dimensional inspection. The workstation control module, in conjunction with the hardware, completes automatic transfer and positioning, and the inspection data is uniformly stored and output. This invention achieves automated full-dimensional inspection, improves inspection efficiency and accuracy, ensures consistency in judgment, is suitable for mass production, and facilitates quality traceability and control.

The present application relates to the technical field of integrated navigation, in particular to a positioning method and system based on optical angle measurement and astronomical-inertial integrated navigation. The method first acquires star and navigation satellite images by shooting a star map, and then calculates the attitude of the camera relative to the geocentric inertial coordinate system by identifying and processing the stars, and further determines the coordinates of the navigation satellite in the coordinate system. Through coordinate conversion, the angle information of the navigation satellite relative to the observer in the earth coordinate system is obtained. The optical angle measurement information is fused with the attitude, speed and position information output by the inertial navigation system, the Kalman filter state equation and observation equation are constructed, and finally the real-time high-precision solution and update of the observer's position are realized. The present application combines the accuracy of optical angle measurement, the limited distance reference of astronomical navigation and the autonomous continuity of inertial navigation, effectively improving the navigation and positioning accuracy and reliability under complex environment and satellite denial conditions.

The application belongs to the field of high-end equipment manufacturing industry, and relates to a manufacturing method of a multi-station precision stamping die for isolation strip metal products, which comprises the following steps: obtaining initial design data of a multi-station layout, calculating a potential range of error accumulation by analyzing the transfer path and positioning point distribution of a workpiece between stations, and obtaining a distribution model of workpiece transfer error; obtaining matching parameters of integrated design optimization, determining the deformation and size deviation of the workpiece between the stations by running a virtual machining process on a continuous stamping stability test platform, and obtaining real-time data of error accumulation control; and for the real-time data of error accumulation control, if the deformation exceeds a preset stability threshold, the guide gap and support point position of the precision guide mechanism are adjusted iteratively to determine the final guide system configuration scheme.

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.