The vehicle speed could also be capped by the maxSpeed attribute of the vehicles vType.
2017-05-26 16:54 GMT+02:00 Vaibhav Rungta <[email protected]>: > Hello Folks, > I am required to allow certain vehicles exceed the speed limit. > In past I have done that using speedfactor command which sets their speed > limit as a fraction of lane's speed limit. > I have been trying to do the same thing again but haven't been able to. > > Observations and/or programming practice: > - The speed factor is been set for the desired vehicle in every time step. > - I am not getting any errors. > - The text file which I use to keep track of speed assignment shows that > vehicle has been assigned a speed higher than speed limit. > - I check the value of speedfactor after assignment using getSpeedFactor. > It shows the desired value. > - I checked the gui. There seems to be enough gap between vehicle which has > to accelerate and preceding vehicle. There's no indication that the vehicle > is trying to decelerate because of the low safe distance. > > Please suggest what else I should check. I can share the sections of code. > Thanks. > > Regards, > Vaibhav Rungta > Graduate Student - Industrial and Systems Engineering > Graduate Assistant - Toyota Production Systems Lab > Research Assistant - University Transport Research Center > 585-754-7133 > > > On Tue, Jan 3, 2017 at 2:13 PM, Vaibhav Rungta <[email protected]> wrote: > > > Hello Jakob, > > Thanks. I used the speed factor command and have been to make the desired > > change. > > > > Here are some of the commands I have used recently. > > Posting them on portal so that it might helpful for those having similar > > queries: > > > > traci.vehicle.setSpeedFactor(vehs, 1.2) > > -vehs represents the vehicle ID > > > > traci.vehicle.slowDown(vehs, v, k) > > -v represents the final velocity in m/s > > -k represents the time in ms. Please check the data type of k. It *must > > be an integer *otherwise you will get an error. > > > > Regards, > > Vaibhav Rungta > > Graduate Student - Industrial and Systems Engineering > > Graduate Assistant - Toyota Production Systems Lab > > Research Assistant - University Transport Research Center > > 585-754-7133 <(585)%20754-7133> > > > > > > On Tue, Jan 3, 2017 at 4:38 AM, Jakob Erdmann < > [email protected]> > > wrote: > > > >> this is done by specifying 'speed factor' (0x5e) > >> see http://sumo.dlr.de/wiki/TraCI/Change_Vehicle_State > >> (multiplier for the lane speed limit, http://sumo.dlr.de/wiki/Defini > >> tion_of_Vehicles,_Vehicle_Types,_and_Routes#Vehicle_Types) > >> > >> regards, > >> Jakob > >> > >> > >> > >> 2016-12-31 21:13 GMT+01:00 Vaibhav Rungta <[email protected]>: > >> > >>> Hello Folks, > >>> Wishing you guys an exhilarating, prosperous and a healthy New Year :) > >>> > >>> I am working on an algorithm which involves speed calculation. > Sometimes > >>> the speed required to provide better results will be more than the edge > >>> speed limit for certain vehicles. As we observe in real world, no one > >>> gets > >>> pulled over for driving 15-20% above speed limit for a short duration > >>> (10-15s). To simulate this I have to allow some vehicles to go faster. > >>> > >>> - I tried setMaxSpeed command but that seems to have a different > purpose. > >>> - I thought of using variable speed limit but then that will allow all > >>> vehicles to go faster. This might increase the emissions and that's not > >>> what I want. > >>> - I am not sure if vehicle speed distribution will allow that, but > again > >>> randomness may not allow those vehicles to go fast which I specifically > >>> want to go faster. > >>> > >>> I wish to accelerate only those vehicles which can make it through the > >>> intersection by slightly accelerating above speed limit. > >>> Kindly suggest how I may do this? Thank you. > >>> > >>> Regards, > >>> Vaibhav Rungta > >>> Graduate Student - Industrial and Systems Engineering > >>> Graduate Assistant - Toyota Production Systems Lab > >>> Research Assistant - University Transport Research Center > >>> 585-754-7133 > >>> ------------------------------------------------------------ > >>> ------------------ > >>> Check out the vibrant tech community on one of the world's most > >>> engaging tech sites, SlashDot.org! http://sdm.link/slashdot > >>> _______________________________________________ > >>> sumo-user mailing list > >>> [email protected] > >>> https://lists.sourceforge.net/lists/listinfo/sumo-user > >>> > >> > >> > > > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > sumo-user mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/sumo-user > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ sumo-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/sumo-user
