Open Loop Transfer Function Example. For the open loop transfer function gshs. Second order system consider a plant with open loop transfer function 075 s s 1 which we want to control with a proportional controller k as shown in figure 54.
Closed loop system with proportional control. Gmpm margin l gm 14100. We create transfer function in two ways.
Gmpm margin l gm 14100.
1 2 1 i o 1 i o 1 2 1 i 1 2 o o 1 i 1 2 o o 1 i 2 o o i 2 o o 1 e i 2 o e o 1 1 g g g θ θ g g θ θ1 g g g θ g g θ θ g θ g g θ θ g θ g θ θ θ g θ θ g θ θ g θ θ θ g the transfer function for the closed system is hence 1 2 1 i o 1 g g g θ θ g worked example no2. The open loop transfer function is related to g1 and g2 as follows. For example the following block diagram shows a single loop control system. Derive csrs clsr2s csrs and csrs.