Remote Monitoring of Emissions using On-Vehicle Sensing and Vehicle to Roadside Communications

Paper #:
  • 951946

Published:
  • 1995-08-01
Citation:
Davis, D., "Remote Monitoring of Emissions using On-Vehicle Sensing and Vehicle to Roadside Communications," SAE Technical Paper 951946, 1995, https://doi.org/10.4271/951946.
Author(s):
Pages:
8
Abstract:
Recent developments in on-vehicle electronics makes practical remote monitoring of vehicle emissions compliance with CARB and EPA regulations. A system consisting of emission controls malfunction sensors, an on-board computer (OBC), and vehicle-to-roadside communications (VRC) would enable enforcement officials to remotely and automatically detect vehicle out - of - compliance status. Remote sensing could be accomplished at highway speeds as vehicles pass a roadside RF antenna and reader unit which would interrogate the on-vehicle monitoring and recording system.This paper will focus on the hardware system components required to achieve this goal with special attention to the VRC; a key element for remote monitoring. This remote sensing concept piggybacks on the development of inexpensive VRC equipment for automatic vehicle identification for electronic toll collection and intelligent transportation applications.Employing an RF transponder with appropriate interface to the OBC and malfunction sensors, a practical monitoring system can be developed with potentially important impact on air quality and enforcement. With such a system in place, the current -- and costly and ineffective -- emission control strategy of periodic smog checking could be replaced or modified.
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