meso vehicles always drive at yellow it the current implementation so increasing amber takes no effect. With switching, I mean phase-switching. (And everytime you switch phases there is some 'cost' because traffic across the intersection must stopped for safety reasons).
Am Do., 20. Juni 2019 um 10:43 Uhr schrieb rony gracious < [email protected]>: > 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 >> > _______________________________________________ > 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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