A Feedback system is shown, input I, M is motor, O is output position of motor: the switch closes the feedback loop.
The value X is I if the switch is open, and I-O if the switch is closed. M * X determines change of O (its velocity).
If position mouse over I slider blob and put left button down, you can use the mouse to change I, and hence O.
Click on M block to change is gain or switch box to open/close it, and see how it affect O.
Try to change I so O aligns with green target - then release slider: if close enough, target moves. Easier with feedback.
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