NDLI: Low-cost triboelectric sensor for speed measurement and weight estimation of vehicles

Content Provider	IET Digital Library
Author	Yadav, Deepshikha Azad, Puneet
Abstract	This study presents and tests the accuracy of a low-cost triboelectric sensor for speed measurement and weight estimation of passenger vehicles in motion. Polytetrafluoroethylene and aluminium films are employed as sensing elements for generating voltage pulses due to movement of vehicles in real time. A number of road tests by 880 and 1020 kg cars in the speed range from 10 to 60 kmph show that the sensor is effective for measuring speeds with more than 95% accuracy and 3% mean absolute percentage error. For weight estimation, it is found that the voltage signals obtained from sensor due to impact between the tires of the vehicles and sensor varies linearly with speed ensuring the reliability of the sensor. On road experimental results reveal that the weight can be predicted from voltage signals by maintaining a database of different class of vehicles. The results and the overall concept indicate that the triboelectric sensor and associated wireless setup is promising for smart traffic-monitoring applications at a very low cost.
Starting Page	958
Ending Page	964
Page Count	7
ISSN	1751956X
Volume Number	12
e-ISSN	17519578
Issue Number	Issue 8, Oct (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-its/12/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-its.2018.5187
Journal	IET Intelligent Transport Systems
Publisher Date	2018-07-30
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acceleration Aluminium Aluminium Films Electric Sensing Device Electrostatic Device Mass 1020.0 Kg Mass 880.0 Kg Mass And Density Measurement Passenger Vehicle Passenger Vehicle Weight Estimation Polymer Film Polytetrafluoroethylene Reliability Road Testing Rotation Measurement Sensing And Detecting Device Sensing Device And Transducers Smart Traffic-monitoring Application Speed Measurement Thin Film Sonsor Triboelectric Sensor Velocity Velocity 10 Km/h to 60 Km/h Velocity Measurement Voltage Pulse Generation Weighing
Content Type	Text
Resource Type	Article
Subject	Law Transportation Environmental Science Mechanical Engineering

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