The automatic routing takes place with a fixed time period. In our projects we commenly use values between 5 and 10 minutes. Also, the automatic routing can use multiple CPUs.
Am Mi., 4. Sept. 2019 um 10:42 Uhr schrieb Hoffmann, Pascal < [email protected]>: > Thanks for your reply! > > > I understand to use SMA and already did it for waiting time und the > congestion threshold as well. But I'm not sure whether I understand the > Automatic Routing correctly. Do you just check every time whether there is > a faster route with the average (SMA) speed or do you have a trigger > statement, which states that there is congestion on EDGEID ? Because > rerouting a lot of cars via TraCI takes a lot of time, so I just want to > use it, when there is congestion on the route. > > > Best regards, > > Pascal > ------------------------------ > *Von:* [email protected] <[email protected]> im > Auftrag von Jakob Erdmann <[email protected]> > *Gesendet:* Dienstag, 3. September 2019 08:45:00 > *An:* Sumo project User discussions > *Betreff:* Re: [sumo-user] detecting congestion > > The rerouting device implemenedt in SUMO must solve the same problem: let > vehicles reroute around congestion. > It does so by averaging travel speeds either with a simple or exponential > moving average (https://sumo.dlr.de/wiki/Demand/Automatic_Routing). > The simple moving average over 180s is used by default. This is too smooth > out traffic light cycles. > If all traffic lights in your network are running at the same cycle time, > you could just use that value but with uncoordinated actuated traffic > lights (or some complex junctions which require a higher cycle time) it's > better to pick something that covers more than one cycle. > In general, you will have to compromise between noise in your detection > due to traffic lights and detecting jams a bit late. > > regards, > Jakob > > Am Mo., 2. Sept. 2019 um 16:11 Uhr schrieb Hoffmann, Pascal < > [email protected]>: > >> Dear sumo users, >> >> >> I'm trying to detect congested edges to reroute vehicles, which drive >> through these edges. So far I'm using two parameter. First a congestion >> threshold based on the greenshield model. Second the average waiting time >> over the last 60 s (--> because of the traffic light). But I'm not sure, >> how to choose a correct value for the waiting time, which detects >> congestion correctly. That's why, I wanted to ask you, whether you know any >> parameters to detect congested roads/edges. >> >> >> Thanks in advance! >> >> >> Best regards, >> >> Pascal >> _______________________________________________ >> sumo-user mailing list >> [email protected] >> To change your delivery options, retrieve your password, or unsubscribe >> from this list, visit >> https://www.eclipse.org/mailman/listinfo/sumo-user >> > _______________________________________________ > sumo-user mailing list > [email protected] > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user >
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