Specifications

Design Controller Using the Design Tool
3-17
This adds a pulse to the T output. The pulse begins at time t = 10, and lasts 20 time
units. Its height is 0.95 degrees.
Run the simulation. The output response plot displays the pulse (see Response Plot
Showing Open-Loop Pulse Disturbance). In this case, the T output's nominal value is
zero, so you only see the pulse. (If the T output had a nonzero nominal value, the pulse
would add to that.)
Response Plot Showing Open-Loop Pulse Disturbance
If you were to run a closed-loop simulation with this same T disturbance, the controller
would attempt to hold T at its setpoint, and the result would differ from that shown in
Response Plot Showing Open-Loop Pulse Disturbance.
Customize Response Plots
Each time you simulate a scenario, the design tool plots the corresponding plant input
and output responses. The graphic below shows such a response plot for a plant having
two outputs (the corresponding input response plot is not shown).