Comparative Analysis of Three Structures of Second-Order Generalized Integrator and Its Application to Phase-Locked Loop of Linear Kalman Filter

Figure 9

Solutions of A-type SOGI differential equations: (a) k = 0.5; (b) k = 1; (c) k = 2; (d) k = 3; (e) k = 5.

(a)

(b)

(c)

(d)

(e)