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Technical Paper

Longitudinal emissions evaluation of mixed (cooperative) adaptive cruise control traffic flow and its relationship with stability

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Pages 670-686 | Received 03 Aug 2019, Accepted 29 Mar 2020, Published online: 02 Jul 2020

Figures & data

Figure 1. Geometric characteristics of the simulation segment.

Figure 1. Geometric characteristics of the simulation segment.

Figure 2. Percentage changes of emissions and fuel consumption with respect to CACC MPR (tc = 0.6 sec and ta = 1.1 sec).

Figure 2. Percentage changes of emissions and fuel consumption with respect to CACC MPR (tc = 0.6 sec and ta = 1.1 sec).

Figure 3. The parametric sensitivity analysis on tc (ta = 1.1 sec) of emissions and fuel consumption: (a) tc = 0.9 sec, (b) tc = 1.1 sec.

Figure 3. The parametric sensitivity analysis on tc (ta = 1.1 sec) of emissions and fuel consumption: (a) tc = 0.9 sec, (b) tc = 1.1 sec.

Figure 4. The parametric sensitivity analysis on ta (tc = 0.6 sec) of emissions and fuel consumption: (a) ta = 1.6 sec, (b) ta = 2.2 sec.

Figure 4. The parametric sensitivity analysis on ta (tc = 0.6 sec) of emissions and fuel consumption: (a) ta = 1.6 sec, (b) ta = 2.2 sec.

Figure 5. Stability of MDV.

Figure 5. Stability of MDV.

Figure 6. Stability chart of the mixed traffic flow (tc = 0.6 sec and ta = 1.1 sec).

Figure 6. Stability chart of the mixed traffic flow (tc = 0.6 sec and ta = 1.1 sec).

Figure 7. Stability chart of the mixed flow with parametric sensitivity analysis on tc (ta = 1.1 sec): (a) tc = 0.9 sec, (b) tc = 1.1 sec.

Figure 7. Stability chart of the mixed flow with parametric sensitivity analysis on tc (ta = 1.1 sec): (a) tc = 0.9 sec, (b) tc = 1.1 sec.

Figure 8. Stability chart of the mixed flow with parametric sensitivity analysis on ta (tc = 0.6 sec): (a) ta = 1.6 sec, (b) ta = 2.2 sec.

Figure 8. Stability chart of the mixed flow with parametric sensitivity analysis on ta (tc = 0.6 sec): (a) ta = 1.6 sec, (b) ta = 2.2 sec.

Figure 9. Stability chart of mixed CACC flow with V2 V communication environment.

Figure 9. Stability chart of mixed CACC flow with V2 V communication environment.

Figure 10. Trend impact of CACC MPRs on emissions and fuel consumption with V2 V communication environment.

Figure 10. Trend impact of CACC MPRs on emissions and fuel consumption with V2 V communication environment.

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