3results about How to "Accurate coordinates" patented technology

The application provides a pose adjustment method, a pose adjustment device, an electronic equipment, and a readable storage medium. The method includes: obtaining coordinates and noise parameters of the mobile device at a previous moment, the coordinates and the noise parameters at the previous moment being predicted by a Kalman filter model, the previous moment is a previous moment adjacent to a current moment; obtaining several measurement coordinates of the mobile device at the current moment through several measurement modules; predicting coordinates of the mobile device at the current moment through the Kalman filter model based on the several measured coordinates, the coordinates of the previous moment, and the noise parameters of the previous moment; and adjusting the pose of the mobile device at the current moment based on the coordinates of the current moment and a preset trajectory of the mobile device. The pose adjustment method may improve positioning accuracy.

Embodiments of the present specification provide a pre-alignment method, system, wafer edge trimming machine, data processing device and medium, wherein the pre-alignment method comprises: obtaining edge data of each measurement point of a wafer, and a plurality of height data of each measurement point relative to a preset reference, wherein the height data is used to represent the warping degree of the wafer surface; correcting the edge data of each measurement point according to the plurality of height data of each measurement point relative to the preset reference, to determine the corrected edge data of each measurement point; and generating a position adjustment signal according to the corrected edge data of each measurement point and a pre-alignment position, wherein the position adjustment signal is used to control the adjustment of the position of the wafer. By using the above technical solution, the alignment accuracy of the wafer can be improved.

The embodiment of the application provides a method for determining the spatial position of a hook, a construction machine, a device and a processor. The method comprises: acquiring the horizontal distance between a sliding mechanism and the connection between a tower body and a lifting arm through an amplitude sensor; acquiring the article parameters of a hook target object; determining the amplitude value of the hook and the angle value of the end section rotation angle of the tower body according to the article parameters and the equipment parameters of the tower crane; determining the height deformation of the hook according to the article parameters, the angle value of the end section rotation angle and the equipment parameters; and determining the spatial position of the hook according to the amplitude value, the horizontal distance, the height deformation and the equipment parameters. The above technical solution can reduce the error of the position of the hook caused by the deformation of the tower body and the lifting arm, and can accurately control the position of the hook.