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Book Cover
Author Klein, Lawrence A., author.

Title Traffic flow sensors : technologies, operating principles, and archetypes / by Lawrence Klein
Published Bellingham, Washington (1000 20th St. Bellingham WA 98225-6705 USA) : SPIE, 2020
Online access available from:
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Description 1 online resource (v, 30 pages)
Series SPIE. Spotlight ; SL58
SPIE spotlight ; SL58
Contents Preface -- 1. Data sources -- 2. Traffic flow sensors: 2.1. Traffic flow sensor selection; 2.2. Traffic flow sensor categories -- 3. Inductive loop detectors: 3.1. Operation of inductive loops; 3.2. Speed measurement using inductive loops; 3.3. Vehicle classification using inductive loops -- 4. Magnetometer sensors -- 5. Magnetic detectors -- 6. Video detection systems: 6.1. VDS image processing; 6.2. Infrared VDS; 6.3. General guidelines for installing VDS cameras and other hardware, initializing software, and positioning detection zones -- 7. Microwave radar sensors: 7.1. Presence-detecting microwave radar sensors; 7.2. Doppler microwave sensors; 7.3. Microwave radar operation; 7.4. Types of transmitted waveforms; 7.5. Range resolution; 7.6. Range bins; 7.7. General guidelines for installing presence-detecting microwave radars, initializing software, and positioning detection zones -- 8. Passive infrared sensors: 8.1. Planck's radiation law; 8.2. Radiative transfer theory; 8.3. Passive infrared sensor summary -- 9. LIDAR sensors -- 10. Passive acoustic array sensors -- 11. Ultrasonic sensors -- 12. Sensor technology combinations -- 13. Sensor output data, bandwidth, and cost: 13.1. Life-cycle cost considerations; 13.2. Relative cost of a sensor solution -- 14. Summary -- Acknowledgments -- References
Summary This Spotlight concentrates on traffic flow sensors, expanding on sensor selection criteria, functioning of the various sensor technologies, providing strengths and limitations of each technology, and summarizing sensor installation and initialization processes as appropriate. It prepares undergraduate and graduate students, civil and transportation engineers, and traffic management professionals, in general, to select and evaluate the accuracy and other performance characteristics of traffic flow sensors for a variety of applications that include signalized intersection control, travel time and speed notification, ramp metering, freeway-to-freeway metering, mainline metering, wrong-way vehicle detection, incident detection, and active transportation and demand management (i.e., active demand management, active traffic management, and active parking management)
Notes Title from PDF title page (SPIE eBooks Website, viewed 2020-06-25)
Bibliography Includes bibliographical references
Subject Traffic flow -- Management -- Equipment and supplies
Traffic flow -- Measurement -- Equipment and supplies.
Vehicle detectors.
Traffic flow -- Measurement -- Equipment and supplies
Vehicle detectors
Form Electronic book
Author Society of Photo-optical Instrumentation Engineers, publisher.
ISBN 1510636684