Research Article

Free-Decay Nonlinear System Identification via Mass-Change Scheme

Figure 12

Stabilization diagram for the multistory building. Grey dot: new pole; blue plus: pole stable in frequency; red square: extra stable MAC; green circle: extra stable damping. Stabilization thresholds: 0.5%, 10%, and 99.5% for frequencies, damping ratios, and MACs, respectively.