Figure 7. Frequency deviation of third scenario for LFC via Legendre function at M=4, K=2

From

Optimal Controller for Single Area Load Frequency Control via LQR and Legendre Wavelet Function

Hatem Elaydi, Mohammed Wadi

Journal of Automation and Control. 2015, 3(2), 43-47 doi:10.12691/automation-3-2-2