Based on the given graphs you must prepare a discussion report of 2 pages on:
1) Determination of whether the open-loop system response is consistent with a first order system, by analysis of the time response and the system diagram.
2) Determination of the time constant and gain best describeing system behavior if treated as a 1st order system.
3) Discussing the closed loop response:
a) Compared to the open loop response.
b) Compared to manual control.
c) Compared before and after the load change.