ReactionWheelFriction:

Path: SC/Actuator

% Computes the friction for a reaction wheel.
 The wheels can have damping and Coulomb friction and stiction.
 If you call it with 'struct' it will return the default data structure.

 Type ReactionWheelFriction for a demo.
--------------------------------------------------------------------------
   Form:
       d = ReactionWheelFriction('struct');
       f = ReactionWheelFriction( omega, d )
--------------------------------------------------------------------------

   ------
   Inputs 
   ------
   omega (:,:)	Angular rate
   d     (.)	  Data structure 
               .cDampingRWA        (n,1) Damping coefficient
               .torqueCoulombRWA   (n,1) Coulomb friction torque
               .torqueStictionRWA  (n,1) Stiction friction torque
               .alphaStictionRWA   (n,1) Stiction velocity damping
               .betaSigmoid        (1,1) 
               .useSigmoid         (1,1) Flag for sigmoid

   -------
   Outputs
   -------
   f	    (:,:) Friction

--------------------------------------------------------------------------

Children:

Common: Graphics/Plot2D

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