|
|
|
| Study on Tracing Technique for Field Test Mobile Reference Vehicle Speed Meter |
| BAI Yin1,SUN Qiao1,DU Lei1,YU Mei1,BAI Jie1,CAO Jin2 |
1. National Institute of Metrology, Beijing 100029, China;
2.Chongqing Academy of Metrology and Quality Inspection, Chongqing 401120, China |
|
|
|
|
Abstract To study the tracing technology of field test mobile reference vehicle speed meters based on optical sensor and GPS receiver respectively, simulated and field test of speed measurement experiments for both non-contact vehicle speed meter and GPS vehicle speed meter were performed and the results were compared. The calibration of non-contact automotive speed meter was performed with synchronous belt simulator. The calibration was performed on several speed values in the range of 10～180km/h. A GPS signal simulator system was used in simulated speed measurement error test for GPS automotive speed meter. The same speed values as that in the calibration of non-contact speed meters were tested. The field test performance of both reference speed meters was compared. The relative deviations in uniform motion fell in the range of ±0.3%. The relative deviations in acceleration and deceleration were much larger. The largest relative deviation fell in the range of ±8%, which was caused by the lagging effect of non-contact automotive speed meter. It is inferred that the performance of GPS automotive speed meter is better than that of non-contact automotive speed meter, when at least 6 satellites can be found by GPS automotive speed meter.
|
|
|
|
|
|
［1］D Summers & S Lewis, HOSDB. Guidance for test houses on the use of satellite speed measurement equipment for Home Office type approval tests［S］.2006.
［2］Racelogic Corporation. A Comparison of non-contact speed sensors ［EB/OL］.http://www.racelogic.co.uk/_downloads/vbox/Application_Notes/Comparison%20of%20Non-contact%20Speed%20Sensors.pdf.2013-07-04.
［3］赵军, 刘美生, 杨春生, 等. 基于 GPS 技术的速度标准装置研究［J］. 微计算机信息, 2008, 24(25): 245-246.
［4］靳力. 基于高速 GPS 的道路测速设备计量校准系统［J］. 计算机光盘软件与应用, 2013,(4):180-182.
［5］张宝峰, 耿丽红. GPS 单点测速误差分析与数据处理［J］. 天津理工大学学报, 2010, 26(3): 13-15.
［6］孙桥, 蔡常青, 张跃, 等. 基于多普勒频移观测值的机动车 GPS 测速仪校准技术的研究［J］. 计量学报, 2010, 31(5): 456-459.
［7］尹建文, 陆俊, 蔡旭平, 等. 非接触式汽车速度计校准的研究与应用［J］. 中国科技成果, 2010, 11(19):36-38.
［8］戴金洲, 彭铁军. 非接触式机动车速度计检测方法浅析［J］. 中国计量, 2010,(4): 110-111.
［9］叶芳. 基于 GPS 技术的车速传感器的研制与应用［D］. 重庆：重庆大学, 2009.
［10］国家质量技术监督局. JJF 1193-2008, 非接触式汽车速度计校准规范［S］.2008.
［11］GB/T 12534-90, 汽车道路试验方法通则［S］.1990.
［12］陆俊,全付付,余挺,尹晓艺,非接触式汽车速度计校准装置校准方法探讨［J］.工业计量,2012,(1).122-125
［13］杜磊, 孙桥, 蔡常青, 等. 侧装机动车雷达测速仪天线计量关键技术指标研究［J］. 计量学报, 2013, 34(1): 36-40. |
|
|
|
2015, Vol. 36 
