Fuzzy Identification of Seismically Excited Smart Systems - Structural Seismic Design Optimization and Earthquake Engineering - page 334

Table 1. Parameters for SD-1000 MR damper model

Parameter Value Parameter Value

c BW

0

α a

21.0 Nscm -1 140 Ncm -1

c BW

0

α b

3.50 Nscm -1 V -1 695 Ncm -1 V -1

k BW

0

γ

46.9 Ncm -1 363 cm -2

c BW

1

β

283 Nscm -1 363 cm -2

c BW

1

A BW

2.95 Nscm -1 V -1 301

k BW

1

l

5.00 Ncm -1 2

x BW

0

η

14.3 cm 190 s -1

Table 2. Error quantities of the MIMO ARX-TS fuzzy model

Fuzzy C-means Clustering Hierarchical Clustering Subtractive Clustering

y 1 y 2 y 1 y 2 y 1 y 2

ˆ 2

( )

E y  − y 3.194×10 -4 3.685 × 10 4

−

5.354 × 10 4

−

0.468 0.460 0.666

y y
y y




−
−

ˆ

− ×

1 100

81.540 78.881 80.492 78.947 78.756 76.379

Figure 3. Artificial earthquake