Feedback Systems - with the actual position Desired...

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Feedback Systems
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Feedback Advantages
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Gain Stability Example
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Feedback Advantages
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Feedback Advantages
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Feedback Amplifier
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PID Controllers
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Mechanical Example
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Mechanical Example M=1 kg B= 9 N(sec)/m K=20 N/m F(s) = 1/s (unit step) X(s) = [1/s]{1/(s 2 + 9s +20)}
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Open Loop, No Feedback
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Exact Time Solution
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Exact Time Solution MATLAB CODE: num=1; den=[1,9,20]; step=(num,den)
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Closed Loop
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Closed Loop with Proportional Control
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Closed Loop Control Please Note that the input is now desired position (not force) The controller compares desired position
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Unformatted text preview: with the actual position Desired Position Xi PID K +-Actual Position Xo E Mechanical Problem with Closed Loop Proportional Control Time Solution with Proportional Closed Loop Control Matlab Code: Kp=300; num=[Kp]; den=[1 9 20+Kp]; t=0:0.01:2; step(num,den,t) Closed Loop with PID Control Closed Loop with PID Control Closed Loop with PID Control Matlab Code: kp=350; ki=300; kd=50; num=[kd kp ki]; den=[1 9+kd 20+kp ki]; t=0:0.01:2; step(num,den,t)...
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Feedback Systems - with the actual position Desired...

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