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Re: [sumo-user] TLs program problem
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Hi Jane,
1) No, SUMO can currently not generate a tls program from the switching
times of an actuated tls. but you can dump the switch times and phases
and generate one yourself. The problem is that an actuated tls has
usually different behavior in different cycles (that's why it is
acutated after all) and you would only get one very long program.
2) I think SCPG is just an acronym made up by the paper authors to
describe the algorithm used in SUMO and I am afraid there is no
description except for the high level ones you already have and the
code.
Best regards,
Michael
Am 2019-07-19 23:33, schrieb Jane Cheung:
Dear all,
There are two problems that I would like to ask for your help. Any
kindly
help would be appreciated!
1) Could SUMO generates the TLS program as an output file when I
choose
the actuated type?
2) There is one article[1] that I have read which has used SUMO as a
simulated tool. There is some description about the TLs program
created
method called SCPG that I could not find more detail information. Could
someone tell more about that?
*The SUMO package includes a greedy deterministic algorithm based on
human
expert rules and knowledge called SCPG. The SCPG algorithm generates a
complete TLP by assigning values to the phase durations according to
three
different factors: the proportion of green signals in the phases, the
number of incoming lanes into the intersection, and the braking time of
the
vehicles approaching the traffic lights[1].*
[1] J. Ferrer, M. López-Ibáñez, and E. Alba, “Reliable
simulation-optimization of traffic lights in a real-world city,” *Appl.
Soft Comput. J.*, 2019.
Best regards!
Jane
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