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Blended Dynamic Braking How do I make dynamic brake proportional? Rate Topic: -----

#1 User is offline   darwins 

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Posted 06 August 2019 - 11:48 AM

Hello
I am trying to model blended dynamic braking on an electric locomotive.
The air brake uses this controller:
Brake_Train ( 0 1 0.1 0.2
NumNotches ( 3
Notch ( 0 0 TrainBrakesControllerReleaseStart )
Notch ( 0.1 1 TrainBrakesControllerContinuousServiceStart )
Notch ( 0.9 0 TrainBrakesControllerEmergencyStart )))
However even on a minimal air brake application the maximum dynamic braking is applied.
The train brake set up reads:
Comment ( == Automatic Brake valve - Train == )
TrainBrakesControllerMaxSystemPressure( 70 )
TrainBrakesControllerMaxReleaseRate( 10 )
TrainBrakesControllerMaxQuickReleaseRate( 20 )
TrainBrakesControllerMaxApplicationRate( 5 )
TrainBrakesControllerEmergencyApplicationRate( 30 )
TrainBrakesControllerFullServicePressureDrop( 24 )
TrainBrakesControllerMinPressureReduction( 6 )
DynamicBrakesNumberOfControllerNotches( 10 )
ORTSDynamicBlendingForceMatch ( 1 )
This is used together with ORTSDynamicBrakeForceCurves( to describe the dynamic brake.
It does not matter if I put just two sets of data into that ( for 0.0 and 1.0 ) or if I put 10 sets of data in to give in between values. Either way the dynamic brake gives a maximum application regardless of the strength of the air brake application.
Is there something else that I need to do to correct this situation?
A full copy of the eng file is attached.

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