Meso vehicles do not suffer from start-up delays the way micro vehicles do. To model the cost of switching, Modify, the traffic cycle so that are all-red phases of sufficient length when switching between the green phases. This way, shorter cycle times will definitely reduce capacity.
Am Do., 20. Juni 2019 um 07:02 Uhr schrieb rony gracious < [email protected]>: > Why does when i calculate average delay at any junction in meso its always > lower the cycle time lower the delay? If thats the case there is no way i > can optimize using meso? > > On Wed, May 29, 2019 at 5:52 PM rony gracious <[email protected]> wrote: > >> Thanks. I will check this out. >> >> On Wed, May 29, 2019 at 5:39 PM Jakob Erdmann <[email protected]> >> wrote: >> >>> In meso, vehhicles don't have to lane-change in order to use the correct >>> turning lane. In the sumo microsimulation, lanechanging does play a role >>> and and can impede traffic. You can check whether it makes a difference if >>> you set vehicle attribute departLane="best" so vehicles enter the >>> simulation already on the correct lane. >>> >>> Also, meso vehicles depart with maximum speed. To get the same effect in >>> sumo set departSpeed="max". >>> >>> Am Mi., 29. Mai 2019 um 14:04 Uhr schrieb rony gracious < >>> [email protected]>: >>> >>>> 2 two lane edges towards the junction and two three lane ones. >>>> Vehicle count is around 20 - 60k in different approaches. >>>> >>>> On Wed, 29 May 2019, 5:31 pm Jakob Erdmann, <[email protected]> >>>> wrote: >>>> >>>>> It may help to observe both simulations closely in sumo-gui to see if >>>>> there is an obvious difference in behavior indicating a problem in either >>>>> of the simulations. >>>>> How large is your scenario in terms of intersections,edges,vehicle >>>>> count? >>>>> >>>>> Am Mi., 29. Mai 2019 um 10:55 Uhr schrieb rony gracious < >>>>> [email protected]>: >>>>> >>>>>> The flow given was same for both 5 hour simulation. But when I take >>>>>> count for every 30 minutes that's where the difference is. The last >>>>>> vehicle >>>>>> in sumo enters 2 hours after the last vehicle in meso entered. >>>>>> >>>>>> Yes. Sorry. I meant junction control. >>>>>> >>>>>> On Wed, 29 May 2019, 12:30 pm Jakob Erdmann, <[email protected]> >>>>>> wrote: >>>>>> >>>>>>> It's hard to answer this generally. Meso and miro are different >>>>>>> models so there will be many situations in which they produce different >>>>>>> results. >>>>>>> You first have to figure out whether the sumo flow is too low (e.g. >>>>>>> due to road nework problems) or whether the the meso flow is too high >>>>>>> (which can be due to the used options). >>>>>>> There is no meso option called tl-logic (but there is one for tls >>>>>>> and one for junction control) so you need to be more precise on the used >>>>>>> option. >>>>>>> >>>>>>> regards, >>>>>>> Jakob >>>>>>> >>>>>>> Am Mi., 29. Mai 2019 um 07:47 Uhr schrieb rony gracious < >>>>>>> [email protected]>: >>>>>>> >>>>>>>> For the same flow sumo is taking around 2 hours of extra simulated >>>>>>>> time then meso which accounts for this extra counts. >>>>>>>> >>>>>>>> On Wed, May 29, 2019 at 11:02 AM rony gracious <[email protected]> >>>>>>>> wrote: >>>>>>>> >>>>>>>>> While I run meso for a 5 hour simulation with loop detectors >>>>>>>>> placed there is a considerable difference in vehicle count from when >>>>>>>>> I do >>>>>>>>> the same with sumo. When I took vehicle count every 30 minutes meso >>>>>>>>> had >>>>>>>>> atleast 100 vehicles more than sumo in each time step of 30 minutes. >>>>>>>>> >>>>>>>>> Can anyone tell me why that is and how I can get more closer to a >>>>>>>>> sumo SIM with meso. The only parameters I am using is mesosim true >>>>>>>>> and meso >>>>>>>>> tl logic true which is in mesoscopic. >>>>>>>>> >>>>>>>>> Rony Gracious >>>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> 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 >>>>>>> >>>>>> _______________________________________________ >>>>>> 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 >>>>> >>>> _______________________________________________ >>>> 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 >>> >> _______________________________________________ > 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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