Solving Parameter Identification of Nonlinear Problems by Artificial Bee Colony Algorithm

Table 2

Parameters of Bouc-Wen models for a 1000 kN MR damper [29].

Parameter	Unit	Standard B-W model values; (9 parameters)	Modified B-W model values; (13 parameters)
𝑥0	m	—	—
𝛾	m^−2	141	164
𝛽	m^−2	141	164
𝐴	—	2075	1107.2
𝑛	—	2	2
𝛼𝑎	kN/m	26	46.2
𝛼𝑏	kN/m/V	29.1	41.2
𝑐0𝑎	kN·s/m	105.4	110
𝑐0𝑏	kN·s/m/V	131.6	114.3
𝑐1𝑎	kN·s/m	—	8359.2
𝑐1𝑏	kN·s/m/V	—	7482.9
𝑘0	kN/m	—	0.002
𝑘1	kN/m	—	0.0097
𝜂	s^−1	100	100