Measurement error analysis of taxi meter

Hong He; Dan Li; Hang Li; Da-Jian Zhang; Ming-Feng Hou; Shi-pu Zhang

doi:10.1117/12.903654

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15 November 2011 Measurement error analysis of taxi meter

Hong He, Dan Li, Hang Li, Da-Jian Zhang, Ming-Feng Hou, Shi-pu Zhang

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Proceedings Volume 8321, Seventh International Symposium on Precision Engineering Measurements and Instrumentation; 832106 (2011) https://doi.org/10.1117/12.903654
Event: Seventh International Symposium on Precision Engineering Measurements and Instrumentation, 2011, Yunnan, China

Abstract

The error test of the taximeter is divided into two aspects: (1) the test about time error of the taximeter (2) distance test about the usage error of the machine. The paper first gives the working principle of the meter and the principle of error verification device. Based on JJG517 - 2009 "Taximeter Verification Regulation ", the paper focuses on analyzing the machine error and test error of taxi meter. And the detect methods of time error and distance error are discussed as well. In the same conditions, standard uncertainty components (Class A) are evaluated, while in different conditions, standard uncertainty components (Class B) are also evaluated and measured repeatedly. By the comparison and analysis of the results, the meter accords with JJG517-2009, "Taximeter Verification Regulation ", thereby it improves the accuracy and efficiency largely. In actual situation, the meter not only makes up the lack of accuracy, but also makes sure the deal between drivers and passengers fair. Absolutely it enriches the value of the taxi as a way of transportation.

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Hong He, Dan Li, Hang Li, Da-Jian Zhang, Ming-Feng Hou, and Shi-pu Zhang "Measurement error analysis of taxi meter", Proc. SPIE 8321, Seventh International Symposium on Precision Engineering Measurements and Instrumentation, 832106 (15 November 2011); https://doi.org/10.1117/12.903654

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