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Simulink Help (i would imagine its a pretty simple solution)

  1. Mar 16, 2009 #1
    I have a system, setup to simulate the braking of a vehicle.

    the vehicle decelerates from 400 mph to zero using a parachute, and conventional brakes

    the parachute deploys at 400mph

    to prevent the brakes from overheating they need to be used at a lower velocity

    at present i have a simulink model which takes into account the parachute, the drag force off the car, and the wheel brakes, all from 400mph.

    wheelspic-1.jpg

    does anyone know what sort of 'block' would be most appropriate to stop the constant 'wheelbrakes' having any effect until v=200mph?

    cheers

    ed
     
  2. jcsd
  3. Mar 16, 2009 #2
    as it turn out, it was! i used the embedded matlab function to write a simple if statement...

    so simple whaen you know how..
     
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