5results about How to "Calibration operation is simple" patented technology

This application provides a method, apparatus, and device for azimuth angle calibration of UWB base stations based on auxiliary base stations. The method includes: determining multiple target areas of a target scene during the movement of the auxiliary base station, wherein the auxiliary base station satisfies constraints with at least two UWB base stations when it is in a target area; for each target area, acquiring target angle measurement data corresponding to at least two UWB base stations corresponding to the target area, determining the relative angle relationship between the azimuth angles of at least two UWB base stations based on the target angle measurement data; and calibrating the azimuth angles of multiple UWB base stations in the target scene based on the relative angle relationship between the azimuth angles of at least two UWB base stations corresponding to each target area. This technical solution automatically calibrates the azimuth angles of multiple UWB base stations, with simple calibration operation, high calibration accuracy, and high calibration efficiency.

This invention relates to a high-precision pose measurement method based on docking surface features, to solve the technical problems of high equipment cost, complex calibration process, and susceptibility to industrial environment in existing large component assembly methods. The method includes: 1. building an assembly platform; 2. calibrating the intrinsic parameters of a monocular vision sensor; 3. calibrating the monocular vision sensor and motion execution components using a hand-eye calibration method; 4. calibrating the corresponding target and pin hole; 5. measuring the pose of the first component relative to the second component.

The application discloses a laser radar and train body calibration method and device, relates to the technical field of train radar external parameter calibration, and comprises the following steps: determining a calibration track according to train straight track data, controlling a calibration device to move along the calibration track according to a preset calibration speed and a preset calibration section, and acquiring laser radar collection data; based on the position constraint of the calibration device on the calibration track, the constraint coordinates of the calibration area of the calibration device in the train coordinate system are determined; the radar coordinates are transformed by using a conversion matrix of the radar coordinate system and the train coordinate system, and estimated coordinates are acquired; taking the minimum difference between the constraint coordinates and the estimated coordinates as an optimization target, an optimal conversion matrix is solved, and the calibration result of the laser radar and the train body is output by using the optimal conversion matrix. The application has the beneficial effects that the existing straight track in rail transit is used as a calibration field, and the convenience and accuracy are considered.

The application relates to the technical field of batteries, in particular to a battery visual detection system, which has a first direction, a second direction and a third direction perpendicular to each other, comprises a visual detection device, a calibration piece, a transfer mechanism and a battery conveying device; the battery conveying device is used for conveying a battery to be detected along the third direction, the calibration piece is located on one side of the battery conveying device along the second direction; the transfer mechanism is at least partially located on one side of the battery conveying device along the first direction, the visual detection device is connected to the transfer mechanism and is configured to be driven to move by the transfer mechanism to observe the calibration piece or the battery to be detected; when the visual detection device needs to be calibrated, the transfer mechanism is used to drive the visual detection device to move to the calibration piece to observe the calibration piece, so that calibration work is realized; after calibration, the transfer mechanism is used to drive the visual detection device to move to the battery to be detected, so that the battery to be detected can be detected, and the calibration operation is simple.

The application belongs to the technical field of hot rolling production, and provides a vertical roll center line calibration method and device, electronic equipment and storage medium, the method comprises the following steps: setting a calibration block at the end of the two-side roll way baffle on the vertical roll rack cross beam, placing a measuring scale on the calibration block and making the measuring scale contact with the calibration block, moving the vertical roll at the same side of the calibration block, making the end face of the vertical roll bearing seat contact with the measuring scale, calibrating the center of the vertical roll opening as the vertical roll center line, and adjusting the vertical roll center line according to the preset strip deviation value. The calibration operation of the application is simple and efficient, and the calibration operation can be completed by the operator outside the rolling mill without stopping the rolling calibration, which eliminates the safety hazard and improves the production efficiency.