Research Article

The Discrete Load Frequency Control System Using a Robust Periodic Output Feedback Controller

Table 2

Optimal K matrix values for given τ.

NΔ (sec)τ (sec)K

20.040.08(0.66101178 −0.82777022)
40.020.08(0.661011 −20.997630 30.198576 −2.827770)
50.0040.02(0.26744 −0.57241 0.95573 −0.61660 0.19186 )
100.0040.04(0.267447 −0.572414 0.719985 −0.720300 0.735929 −0.955737 0.616604 −0.191864 0.657435 −0.477423)