基于驾驶人技能评判的差分定位算法的改进  

The Improvement of Differential Positioning Algorithm on Judgment of the Driving Skill

作　　者：郝美英[1] 

机构地区：[1]山西警官高等专科学校,太原030021

出　　处：《太原理工大学学报》2014年第5期632-637,共6页Journal of Taiyuan University of Technology

基　　金：山西省科技攻关项目(20120321036-03)

摘　　要：为提高驾驶人技能评判的精准度,对差分定位算法进行了改进。将原差分定位算法进行简化,跳过传统的坐标转换,直接进行坐标比对。探讨了改进后的GPS差分定位技术,通过标识驾驶人考试场地线路,对考试车进行动态实时定位,从而实现自动评判。对该算法进行性能测试表明,改进后的算法运算过程简单化,CPU占有率降低,显著降低运行量,能有效提高评判的效率和准确率。差分定位算法的改进为驾驶人考试实时、精准评判打下坚实基础。In order to achieve the accuracy of driver skills evaluation,differential positioning algorithm has been improved.The new algorithm simplifies the original one and skips from traditional coordinate conversion to direct coordinate comparison.The article discusses the improved GPS differential positioning technology with dynamic real-time positioning testing vehicles to realize automatic evaluation by identifying test venue route of drivers.System performance test shows that the improved algorithm could simplify computation,reduce CPU share,and effectively improve the efficiency and accuracy of the evaluation.The improvement of the differential positioning algoritihm lays a solid foundation for real-time and accurate driving test.

关 键 词：GPS差分定位 算法的改进 动态实时定位 驾驶技术 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]