Precise measuring method for moving position and moving gesture of motor vehicle

Abstract

The invention discloses a precise measuring method for a moving position and a moving gesture of a motor vehicle. The method comprises the following steps of a preparation step before the measurement and a real-time measurement step, wherein the preparation step before the measurement comprises the steps of establishing an RTKGPS (real-time kinetic global positioning system) base station, establishing a wireless data communication link, drawing an examination field or a examination road electronic map, installing a car-mounted detection device on the motor vehicle and measuring a relative coordinate of key points of the motor vehicle outline; and the real-time measurement step comprises the steps of measuring and calculating a precise three-dimensional position coordinate and a gesture angle as well as a position relation among different signs, marked lines and static objects of the motor vehicle in the examination field or the examination road electronic map. Due to the adoption of the precise measuring method, the measurement equipment is unnecessary to set on the examination field or the examination road, the detection can be realized by directly adopting the communication between the car-mounted detection device and the base station in the measurement, and the operation cost of the position and gesture detection equipment of the motor vehicle can be reduced when in use; and the detection way is simple, convenience in operation can be realized, continuity in detection can be realized, and the measurement precision is high.

Description

technical field [0001] The invention relates to the technical field of automatic detection of motor vehicle driving skills, specifically a real-time dynamic differential technology based on carrier phase (RTK), global satellite positioning technology (GPS), geographic information system processing technology (GIS), wireless data communication technology and computer A method implemented by technology for real-time and accurate measurement of the position and attitude of motor vehicles on known sites or roads. Background technique [0002] Before obtaining a motor vehicle driver's license, drivers need to pass the test of field driving skills and road driving skills, commonly known as "subject two test" and "subject three test"; , the ability to control motor vehicles under common weather conditions and sudden traffic conditions, and the ability to deal with traffic incidents; The ability to identify and obey, the ability to deal with road traffic conditions, and the awarene...

AI Technical Summary

Problems solved by technology

[0003] In the examination of subjects 2 and 3, the assessment of many items involves the detection of whether the motor vehicle touches the pole, whether it is pressed, whether the body is out of the line, the distance between the body and the parking line on the road, and whether the wheel is caked or not. ; The original automated test system for subject 2 needs to bury a large number of sensors on the test site to collect the position status and driving information of the vehicle, and subject 3 can only be manually tested; this makes it difficult to automate the test of motor vehicle driving skills. The proportion of automated evaluation items is low, and the construction cost of the test site is high, and maintenance is difficult

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