set sumo option --step-size 0.5
Am Di., 11. Mai 2021 um 17:20 Uhr schrieb MNY <[email protected]>:
> Hello,
> I am a new user of SUMO. I created a bottleneck network (first 1km-two lane
> and dropping one lane with 1 km length). I would like to observe effects of
> replicating autonomous vehicle behaviour under different traffic volumes
> and
> penetration rate of autonomous vehicles.(500 vehicle/hr,1000 vehicle/hr,
> 2000 vehicle/hr). According to article("Impacts of autonomous vehicles on
> the urban fundamental diagram" by Qiong Lu, Tamás Tettamanti, István
> Varga),
> I created two different vehicle types representing Level 0 and Level 5
> automation level."type1" represent Level 0, "type2" represent Level 5.
>
> <vType id="type1" carFollowModel="Krauss" accel="2.6" decel="4.5"
> emergency-Decel="8.0" tau="1.0" sigma="0.5" length="4.3" minGap="2.5"
> maxSpeed="13.89"/>
> <vType id="type2" carFollowModel="Krauss" accel="3.8" decel="4.5"
> emergency-Decel="8.0" tau="0.6" sigma="0" length="4.3" minGap="0.5"
> maxSpeed="13.89"/>
>
> For the 500 veh/hr,1000km/hr traffic volume scenarios, there is a warning
> possibility of collision because of tau value is lower than simulation step
> size. But there is no collision or teleporting during simulation.
>
> But 2000 veh/hr traffic volume scenarios (in case of %50 level-5 autonomous
> vehicles),there is huge number of collision (# collision 4447).
>
> I would like to ask that is my demand modelling have problem or how to good
> approach to fix this problem? I am pasting route the files at end.
>
> Thank you for helping.
>
> my route file is like below:
> <routes>
> <vType id="type1" carFollowModel="Krauss" accel="2.6" decel="4.5"
> emergency-Decel="8.0" tau="1.0" sigma="0.5" length="4.3" minGap="2.5"
> maxSpeed="13.89"/>
> <vType id="type2" carFollowModel="Krauss" accel="3.8" decel="4.5"
> emergency-Decel="8.0" tau="0.6" sigma="0" length="4.3" minGap="0.5"
> maxSpeed="13.89"/>
>
> <vehicles>
> <flow id="1" color="red" begin="0" end="3600"
> vehsPerHour="1000"
> type="type1" departLane="random" departSpeed="random" from="L1" to="L2"/>
> <flow id="2" color="green" begin="0" end="3600"
> vehsPerHour="1000"
> type="type2" departLane="random" departSpeed="random" from="L1" to="L2"/>
> </vehicles>
> </routes>
>
>
>
>
>
>
>
> --
> Sent from: http://sumo-user-mailing-list.90755.n8.nabble.com/
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