Page 618 - Mechanical Engineers' Handbook (Volume 2)
P. 618
10 Steady-State and Dynamic Behavior of Servoactuators and Servosystems 609
Figure 48 Typical root locus plots for an elec-
trohydraulic positional servomechanism with and
without servovalve dynamics: (a) with second-order
servovalve model [Eq. (66)]; (b) with first-order
servovalve model [Eq. (65)]; (c) with static servo-
valve model [Eq. (62)].

