Would increasing the amber time between the green phases have the same effect? What do you mean by switching? I was optimizing changing the stage times after every simulation.
On Thu, Jun 20, 2019 at 1:17 PM Jakob Erdmann <[email protected]> wrote: > 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 >> > _______________________________________________ > 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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