55results about How to "OK real time" patented technology

The present invention relates to a method for determining a driving behaviour of a driver of a vehicle, comprising the steps: acquiring (100) a three-dimensional signal of an acceleration sensor, wherein the three-dimensional signal comprises an acceleration value in, in each case, one independent spatial direction, calculating (200) a characteristic variable of the three-dimensional signal, and outputting (300) the driving behaviour on the basis of the characteristic variable by means of an output device, wherein the characteristic variable is a measure of the aggressiveness of a driving behaviour, and wherein the characteristic variable comprises either a fractal dimension of an embedding of the three-dimensional signal and / or a Kolmogorow entropy of the three-dimensional signal.

A mechanical arm inverse kinematics solution error determination and correction method and device. Prior to operation an error model is established, during operation a current error is determined via error solution, and corresponding data correction is performed by using the error model, solving the technical problem that conventional methods cannot determine inverse kinematics solution errors in real time and in-process, and cannot achieve timely correction of data errors. The method comprises: performing error solution on an inverse kinematic solution under test to obtain an error solution result, and establishing an error model according to the error solution result (S11); obtaining motion target data of a target object (S12); performing, according to the motion target data and by using the inverse kinematic solution under test, inverse kinematics calculations to obtain data of joint variables (S13); performing an error solution according to the joint variables data to determine a current error of the inverse kinematic solution under test (S14); and correcting, according to the current error, the joint variables data by using the error model (S15).

The invention provides a strong specular reflection workpiece thin and narrow groove detection device and method based on strip-shaped light sources, and belongs to the field of welding automation. According to the device and the method, a strip-shaped light source array irradiates the surface of a workpiece so that a workpiece surface image with the uniform gray level can be obtained, and the automatic detection on a strong specular reflection workpiece thin and narrow groove is achieved by determining the relative position and the posture between a welding gun and the workpiece through a laser array. According to the device and the method, the strip-shaped light source array irradiates the surface of the strong specular reflection workpiece so that the uniform-illumination workpiece surface image can be obtained, the characteristics of the groove in the image are obvious, the center position of the groove is conveniently and accurately extracted, and the detection accuracy can reach 0.03 mm; the relative position and the posture between the workpiece and the welding gun can be rapidly and accurately obtained through the laser array; the system structure is simple, the detection accuracy is high, instantaneity is high, cost is low, and the strong specular reflection workpiece thin and narrow groove detection device and method can be applied to automatic detection of the groove of the strong specular reflection workpiece surface and are particularly suitable for the occasion of high-energy beam welding automatic tracking of the thin and narrow groove workpiece with the groove gap smaller than 0.1 mm.