PID Controller in MATLAB with disturbance

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leodavinci90

Joined Oct 22, 2014
57
I am using MATLAB to analyse a PID Controller using Zieger-Nichols method. I then added a disturbance signal to a PID system and the settling time is smaller, it should have a larger settling time; how can that be correct- See Attached?Q2_c_Comparison_step_plot_Settling Time.jpg
 
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