OPUS RSE - Real-time, remote-sensing vehicle emissions monitoring system

OPUS RSE - Real-time, remote-sensing vehicle emissions monitoring system

Unique, advanced vehicle emissions monitoring technology enabling real-world, in-situ measurements of individual vehicles in real-time.

  • Operates under strict certifications and external validations
  • Cross-road open path optical measurements (remote sensing).
  • Measures individual vehicle emissions in real time, on a vehicle by vehicle basis as they go about their daily business.
  • No elements actually on or above the road surface
  • Quick and easy setup
  • Permanent, semi-permanent or ad-hoc deployment.
  • Easy deployment, operation and maintenance
  • Internal batteries for up to 20-hours autonomy (when mains power not available)
  • Real-time data transfer to Cloud portal with custom dashboards.
  • High-emitter alerting.

The Opus RSD6000© is designed to remotely measure the tailpipe emissions of motor vehicles in real-world, real-driving conditions. The device is placed on the side of the road, emitting an invisible beam of ultraviolet (UV) and infrared (IR) light, which crosses the road and returns to a detector, which calculates the concentrations of the pollutants to CO2 present in the exhaust plume of each vehicle passing in front of the measurement system.

At the same time as the emissions emitted by the vehicle are measured, a digital video of the vehicle is captured. The RSD6000 automatically identifies the vehicle’s license plate, it measures the vehicle’s speed and acceleration and captures visual information from the vehicle, such as vehicle type, brand and model. In addition, the system records ambient parameters at the time of each measurement.

Each vehicle’s emissions, kinetic conditions, license plate image and additional parameters are merged in less than a second to complete a measurement record, which can be sent via 4G/5G to the OPUS Data Hub in the Cloud for real-time collection and analysis.

The RSD6000 is designed to measure the exhaust emissions of vehicles as they drive by in up to two lanes of traffic and can be deployed in portable or fixed setups.

The RSD6000 measures the absorptions of the following species in the exhaust plumes of individual vehicles: carbon dioxide (CO2), carbon monoxide (CO), nitric oxide (NO), nitrogen dioxide (NO2), hydrocarbons (HC), ammonia (NH3) and particulate matter (PM) as opacity. The above measurements lead to the automatic reporting of the pollutant concentrations relative to CO2: CO/CO2, NO/CO2, NO2/CO2, HC/CO2 and NH3/CO2. It also provides the Smoke Factor (SF), to evaluate the vehicle’s exhaust particulate matter emissions.

Applications include clean screening, gross emitter identification, fleet characterisation, and more, giving a complete and comprehensive overview of traffic emissions contributions and impacts in a geographical locality.

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