An evaluation of inductance loop detectors for speed measurement accuracy /
6 mph (10 km/h). Clearly, the best method for obtaining
| Main Author: | |
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1994.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | 6 mph (10 km/h). Clearly, the best method for obtaining accurate speeds with inductance loops utilizes multiconductor affect the lag time. The shortest lag times were found to an inductance loop to the actual detection of a vehicle cable loops. The lag time from the presence of a vehicle at compared for accuracy of speed measurement. The condition, and most accurate speed detection scenario. Single dependent upon the vehicle mix, vehicle speeds. detector detector sensitivity, and inductance loop wire type all did the single stranded wire loops. Measuring accurate increased, the speed difference also increased, Finally, the inductance loop speed trap and an infrared light sensor speed management systems have recently begun to help reduce these measurement. Vehicle size, vehicle speed, detector type, meter (30 foot) trap, the speed difference between an multiconductor cable loops also had shorter lag times than multiconductor wire inductance loop speed trap measured a nationwide. The development and construction of freeway Naztec Card Rack detector was found to consistently measure occur when using the Naztec Card Rack detector. The only 0.139 mph (0.224 km/h). On the other hand, the single problems. A major component of freeway management systems is Reducing congestion in our nation's urban areas has become a situation to determine best wire type, shortest lag time speed difference from the infrared light sensor speed trap of stranded wire and multiconductor wire inductance loops were stranded wire speed trap measured a speed difference of about the inductance loop detector. This research effort evaluated the lowest speed differences for most conditions. the use of inductance loop detectors in a freeway management top priority of state departments of transportation trap was found to be very small for most cases. As speeds type, and detector sensitivity settings. While using a 9 varies. As the lag time varies so does the accuracy of speed vehicle speeds with inductance loop detector speed traps is |
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| Item Description: | "Major subject: Civil Engineering". Vita. |
| Physical Description: | xv, 70 leaves : illustrations ; 28 cm. Also available online. |
| Bibliography: | Includes bibliographical references. |