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Modeling Saturation - Sensor or Acutuator

• To: mathgroup at smc.vnet.net
• Subject: [mg62370] Modeling Saturation - Sensor or Acutuator
• From: "Gmac" <gary.mcmurray at gtri.gatech.edu>
• Date: Tue, 22 Nov 2005 04:42:14 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

I am trying to do a control simulation using Control System
Professional of a motor drive system, but I am having a problem. How do
I model saturation of a physical system?

For instance, when I model an electric motor driving a belt and pulley
system, the controller will command torques and currents that the
system cannot realistically provide. Thus, I need to clip these values
in order to prevent them from getting too high.

How do I do this? Any ideas? I am sure I am not the first person to
have asked this question!

Thanks!

Gary