under the simplified assumption of 'constant acceleration up to the speed limit', computing the time to arrival is fairly straight-forward. You just have to distinguish between the cases where the distance is sufficient for reaching vMax and where it isn't.
2018-07-30 10:54 GMT+02:00 Jose Monreal Bailey <[email protected]>: > Thanks Jakob! > > Yeah, that seems too simple, as there are vehicles stopping at a red > light, their speed is 0, it will not give an accurate time when moving. > Any ideas on how to process those type of situations? > > Best regards, > José > > On Sun, 29 Jul 2018 at 21:18, Jakob Erdmann <[email protected]> wrote: > >> you can use traci.vehicle.getDrivingDistance(self, vehID, edgeID, pos, >> laneIndex) to compute the distance to an upcoming position on the vehicles >> route. >> You would just need to know the edge that is incoming the the desired >> junction. >> If the position is not on the route, you can use >> traci.simulation.findRoute >> If you are only interested in traffic light junctions, you can also use >> traci.vehicle.getNextTLS which includes among other information the >> distance. >> The naive calculation of time=distance/speed will only give a lower bound >> for non-priority junctions because vehicles will always decelerate on >> approach. >> >> 2018-07-29 19:41 GMT+02:00 Jose Monreal Bailey <[email protected]>: >> >>> I am interested in calculating the time for vehicle A to get to >>> junction B1 from B0 at speed V0. >>> I still do not have the acceleration/deceleration factors. >>> I want to keep it simple for now, and from there start adding more >>> complexity. >>> >>> Best regards, >>> José >>> >>> On Sun, 29 Jul 2018 at 18:28, Jakob Erdmann <[email protected]> >>> wrote: >>> >>>> This ranges from trivial to complex depending on your assumptions >>>> regarding vehicle speed. >>>> Do you aim at figuring out the distance to the next junction or are you >>>> interested in the formulas that include acceleration/deceleration? >>>> >>>> 2018-07-29 18:38 GMT+02:00 Jose Monreal Bailey <[email protected]>: >>>> >>>>> Hi everyone, >>>>> >>>>> How can I calculate the necessary time for a vehicle to get to the >>>>> next junction? >>>>> >>>>> Best regards, >>>>> José >>>>> >>>>> _______________________________________________ >>>>> sumo-user mailing list >>>>> [email protected] >>>>> To change your delivery options, retrieve your password, or >>>>> unsubscribe from this list, visit >>>>> https://dev.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://dev.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://dev.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://dev.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://dev.eclipse.org/mailman/listinfo/sumo-user > >
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