The Research And Application Of Satellite Positioning System In The Industry Of Driving Test

With the popularization of mobile,a driver's license has become a absolutly necessary for many people in everyday life.A growing number of people for driving tests puts forward higher requirements to the original driving exam system.Thesystem adopts magnetic driving test and infrared technology to design and realize the outside world,sunshine,temperature and humidity as well as the influence of the electromagnetic interference of many sensors are vulnerable to the system,but also the overall detection accuracy is 3 to 5cm.The error is large,the test efficiency is low,easy to cause the backlog of personnel.Because the satellite positioning system(GPS)is widely used in Various industries,and the accuracy in positioning is higher and higher.Therefor it is very suitble for some field in industry basing on location,boundary,regional and trajectory judgement.This paper mainly researches on the examination system design and implementation of the satellite navigation and positioning system in the second test subjects,resulting in a technology upgrade for the existing examination system in our company.The paper firstly introduct the traditional test and the precision requirement,later,the satellite positioning system,accuracy and reliability were analyzed.And then put forward the GPS carrier phase positioning based on differential technology(RTK)used on the design and implementation of driving test.The main work is as follows:Firstly,select the satellite positioning equipment,and then Completion of related hardware design and Implementation.then introduces the research and implementation of vehicle body,project mapping,and the corresponding parameter generation,which provides reliable data basis for the underlying logic judgment of the software.Firstly completing the surveying and mapping,establishing the data model to generate virtual sensors and electronic map of the way,then it shows the dynamic information of the vehicle.