Defining method based on electric vehicle travelling track characteristics and data mining technology

Abstract

The invention discloses a defining method based on electric vehicle travelling track characteristics and a data mining technology. The defining method comprises a common track modeling method of track starting point and finishing point, a track envelope curve and driving characteristics and an efficient common track mining algorithm in massive electric vehicle travelling track data, wherein the common track modeling method comprises track starting point and finishing point modeling, track envelope curve modeling and driving characteristic modeling; and the common track mining algorithm comprises a track starting point and finishing point space-time clustering algorithm, a common track finding and track envelope curve determining algorithm and a driving characteristic extracting algorithm. The invention provides a modeling method of a parameterized common track and the track characteristics are parameterized and abstracted; and on the basis of guaranteeing the accuracy of describing a common track rule by the common track, the simplicity of track description is further improved and common modeling is carried out on diversified tracks in the aspect of a macroscopic space-time scale so that the extraction of dynamic information characteristics in a travelling process is realized and identification and classification of track data are realized.

Description

technical field [0001] The invention relates to the field of motion trajectory research and calculation, in particular to a definition method and data mining technology based on characteristics of electric vehicle travel trajectory. Background technique [0002] With the popularization of electric bicycles in large numbers, traveling by bicycle has become a popular and important way of travel. Analyzing the big data of electric vehicle trajectories can dig out high-value information including potential commercial value, abnormal trajectories, and real-time traffic conditions. How to dig out the trajectory rules with high abstraction level and rich semantics from the continuously dynamically generated and massive electric vehicle trajectories is a technical problem that needs to be solved at present. [0003] With the rapid development of positioning, remote sensing and other technologies, the problem of summarizing the generalized trajectory laws for the specific trajectori...

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a method for modeling the regularity shown in the user's daily trajectory in a concise and accurate form for the characteristics of the electric vehicle trajectory through mathematical modeling of the abstract constant trajectory, with low resource consumption and parallelization. A high-level definition method and data mining technology based on the characteristics of the electric vehicle travel trajectory to solve the problems raised in the above background technology