Modelling and Quasilinear Control of Compressor Surge and Rotating Stall Vibrations

Figure 4

(a) Typical open-loop state responses when $H$ is positive and ${\varphi }_{s0}/F<2$ in the rotating stall case. (b) Unsteady, quasisteady and steady characteristics of the compressor corresponding to (a).

(a)

(b)