lec08 - Effect of Parameter Errors on System Response...

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Unformatted text preview: Effect of Parameter Errors on System Response Model: 1 s K m m + V(s) (s) Slide 1 ME 475 Session 8: Sensitivity Galen King Purdue University where and is the nominal value based on motor data sheet Objective: make output (t) follow specified reference d (t) at steady state with uncertainty in K m m m m K 1 . 1 K K 9 . m K Open-Loop Control K d (s) (s) V(s) Controller Motor 1 s K m m + Slide 2 ME 475 Session 8: Sensitivity Galen King Purdue University Open-Loop Control Apply the Final Value Theorem (FVT): ( 29 = = s s lim s ss Slide 3 ME 475 Session 8: Sensitivity Galen King Purdue University dss m m dss m m dss ss dss ss K K 1 K K e loop open - = - = - = Closed-Loop Control Controller Motor ensor K Pre-filter d (s) 1 s K m m + V(s) (s) m p K / K +- Slide 4 ME 475 Session 8: Sensitivity Galen King Purdue University Sensor K Convert to a unity feedback block diagram. Closed-Loop Control Controller Motor K...
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This document was uploaded on 03/31/2011.

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lec08 - Effect of Parameter Errors on System Response...

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