原文传递 Detector Technology Evaluation.
题名: Detector Technology Evaluation.
作者: Martin-P.T.; Feng-Y.; Wang-X.
关键词: *Vehicle-detectors; *Technology-assessment.;Radar-; Electronic-traffic-control; Magnetic-loop-detectors; Evaluation-; Selection-; Traffic-management.
摘要: Inductive loop detectors are the most common technology for detecting vehicles. However, they have some disadvantages such as disruption to traffic flow during installation and maintenance, higher failure rate under particular conditions, and inflexibility. Professionals are seeking alternatives to inductive loops. Market demands and technology advancement have inspired manufacturer to develop new detector devices with improved performance and capabilities. A large quantity of detector devices with different operation theories now is available on the market. This paper reports on the present status of detector technologies and on development trends in these technologies. No single detector device is best for all applications. Each has limitations, specializations, and individual capabilities. Successful application of detector technologies largely depends on proper device selection. This report designs a systematic selection method suitable for permanent applications. The selection method considers factors including data type, data accuracy (in different environmental and traffic conditions), ease of installation and calibration costs, reliability, and maintenance. A variety of detector technologies and devices are compared. This report provides comparison matrixes based on detector technology and specific devices in this field of technology. The technology matrixes offer general information about each detector technology. The device matrixes give specific information regarding each particular detector device. Selecting in appropriate device is more important than choosing a specific technology. The matrixes must be continuously updated to reflect changes in the detector market.
报告类型: 科技报告
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