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)].
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