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Re: [sumo-user] Vehicles are not Responding to Commands in TraCI
Thank you Harald. This helped a lot. However, that is the thing. I am trying to create enough headway between the buses so that they are not bunching up together and servicing bus stops one after the other. Based on the bus system that I have seen in reality, slowing down the following bus is typically what is done during bus operations, and they try to keep a 4-7 min headway between each bus so that one doesn't run into the other along each route. That was the idea behind putting such a large number for the slow down duration.

It was either using the "traci.vehicle.slowdown" method or the "traci.vehicle.openGap" method. I thought using the "traci.vehicle.slowdown" method would be more appropriate since it forces the intended vehicle to slow down and maintain a desired headway between buses. What are your thoughts on this?

On Wed, Oct 13, 2021 at 3:36 AM Harald Schaefer <fechsaer@xxxxxxxxx> wrote:

Hi Ifezue,

with some slight modifications both batterie request and slowDown in your script works fine

leader ('6', 39.15839766767725)
14516 Slowdown vehicle 5 with current speed  5.8
leader ('6', 33.86887170421031)
14517 Slowdown vehicle 5 with current speed  5.3
leader ('6', 29.05112082833128)
14518 Slowdown vehicle 5 with current speed  4.8
leader ('6', 25.030976798088826)
14519 Slowdown vehicle 5 with current speed  4.0
leader ('6', 21.36720949786841)
14520 Slowdown vehicle 5 with current speed  3.7
leader ('6', 18.027421043122573)
14521 Slowdown vehicle 5 with current speed  3.3
leader ('6', 14.982158811535452)
14522 Slowdown vehicle 5 with current speed  3.0
leader ('6', 12.2046476919108)
14523 Slowdown vehicle 5 with current speed  2.8
leader ('6', 9.670546674070202)
14524 Slowdown vehicle 5 with current speed  2.5
leader ('6', 7.357727566942389)
14525 Slowdown vehicle 5 with current speed  2.3
leader ('6', 5.246073833189829)
14526 Slowdown vehicle 5 with current speed  2.1
leader ('6', 3.333195595135593)
14527 Slowdown vehicle 5 with current speed  1.9
leader ('6', 2.0003173570813555)
14528 Slowdown vehicle 5 with current speed  1.3
leader ('6', 1.200590414248813)
14529 Slowdown vehicle 5 with current speed  0.8
leader ('6', 0.7207542485492882)
14530 Slowdown vehicle 5 with current speed  0.5
leader ('6', 0.4328525491295725)
14531 Slowdown vehicle 5 with current speed  0.3
leader ('6', 0.26011152947774363)
14532 Slowdown vehicle 5 with current speed  0.2
leader ('6', 0.15646691768664578)

100 secs is a long time to increase the distance between two vehicles close to each other, i have chosen 10 sec

In your battery stuff you should query the vehicle, not the vehicleType.

Regards, Harald

Am 13.10.21 um 02:57 schrieb vincentobiako:

Hello Everyone

 

I am fairly new to Python and SUMO. I have a bus route, referred to as a Green Bus Route, that is running in SUMO. This bus route has two buses on its line/route and somehow these buses manage to get bunched up together, offering no headway between the two vehicles. I am currently trying to solve this issue by having the follower bus slow down for some time so that it can get some adequate headway between it and the leading bus. In order to this, I am having the following bus “detect” the lead bus through the traci.vehicle.getLeader() method and having the bus slow down with traci.vehicle.slowDown() method. However, when I run my script in the simulation, the simulation runs with no errors, but the green buses don’t seem to do what I had intended them to do in the Python script.

 

I have attached some test files to this email for reference to clear up any confusion. Please refer to the Python function named “maintain_headway” for where this issue seems to be occurring.

 

Thanks for the help in advance

Ifezue

 

Sent from Mail for Windows

 


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