Specifications

10 Design Case Studies
10-12
gain and damping values. To achieve a 0.45 damping ratio, the gain should be
about 2.85. This figure shows the data marker with similar values.
Next, close the SISO feedback loop.
K = 2.85;
cl11 = feedback(sys11,-K); % Note: feedback assumes negative
% feedback by default
Plottheclosed-loopimpulseresponsefor adurationof20seconds,and compare
it to the open-loop impulse response.