Modeling and Control of Active-Passive Vibration Isolation for Floating Raft System

Figure 4

Singular values plots of the identification for floating raft platform (200 largest singular values). Algorithm parameters used in the identification: for OKID; for DP, DI; 2000 Markov parameters arranged in a 1000 by 1000 Hankel matrix for ERA and ERA-DC.

(a) OKID/ERA

(b) OKID/ERA-DC

(c) OKID/DI

(d) OKID/DP