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Analysis of On-Road Highway Testing for a Two Truck Cooperative Adaptive Cruise Control (CACC) Platoon
Technical Paper
2020-01-5009
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A Cooperative Adaptive Cruise Control (CACC) platooning system was developed and implemented on Class 8 heavy duty trucks. The system allows for longitudinal, or gap spacing, control of the vehicle, while lateral control is maintained by the driver. Many previous aerodynamic studies have shown a reduction in drag force from vehicles traveling in close proximity to each other. This “drafting” effect leads to potential fuel savings for all vehicles in the platoon. Several automated driving and CACC systems have been tested in simulation or closed track settings to evaluate these fuel savings. However, there are only a few examples of potential fuel savings in real on-road or highway environments. This paper provides control performance, fuel economy, lateral offset, and number of neighboring vehicle results of an on-road platoon. The CACC system was implemented on two Peterbilt 579 commercial trucks with unloaded 53’ box trailers. Testing occurred on highways around Montreal, Quebec with a total platooned distance of approximately 1090 km. Gap distances varied over a range of 18.3-91.4 m (60-300 ft) with speeds of 89-105 km/h (55-65 mph). Fuel economy analysis was calculated from the SAE J1939 CAN bus data. Overall, the results show the feasibility and realizable benefits of CACC systems. Future validation of this CACC platooning system through SAE type II fuel tests is also discussed.
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Citation
Smith, P. and Bevly, D., "Analysis of On-Road Highway Testing for a Two Truck Cooperative Adaptive Cruise Control (CACC) Platoon," SAE Technical Paper 2020-01-5009, 2020, https://doi.org/10.4271/2020-01-5009.Data Sets - Support Documents
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