As a reply, the "Switch'means that the traffic lights will change the phase?
What do  the "timeHeadWayInApproach" and "delayInApproach " mean"? How to
get the two parameters?

Regards!
Jane

On Thu, Jun 21, 2018 at 1:06 AM Jakob Erdmann <[email protected]> wrote:

> Both controllers have a trivial formula that only consists of one
> inequality each:
>
> actuated: if (timeHeadWayInApproach > criticalHeadway) ... switch
> delay_based: if (delayInApproach < threshold) ... switch
>
> 2018-06-21 0:35 GMT+02:00 Jane Cheung <[email protected]>:
>
>> Thank you  Jakob,
>>  Additional question, there are mathematical formulas that  are  used to
>> describe the relationships or not?
>>
>> Best regards!
>>
>>
>>
>> On Wed, Jun 20, 2018 at 12:45 AM Jakob Erdmann <[email protected]>
>> wrote:
>>
>>> see
>>> http://sumo.dlr.de/wiki/Simulation/Traffic_Lights#Actuated_Traffic_Lights
>>> regards,
>>> Jakob
>>>
>>>
>>> 2018-06-20 1:26 GMT+02:00 Jane Cheung <[email protected]>:
>>>
>>>> Hi, guys,
>>>>        Could someone tell me  how  " actuated" type traffic lights
>>>> work?
>>>>        What factors are used to actuate the duration of each phase,
>>>> the  number of cars  that are going to be waiting for at the junction or
>>>> the other factors? What's more, how does SUMO get  that factors?
>>>>
>>>>
>>>>
>>>> Best regard!
>>>>
>>>> Jane
>>>>
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