A Time-Domain Structural Damage Detection Method Based on Improved Multiparticle Swarm Coevolution Optimization Algorithm

Table 2

Identification results in intact state.

Parameters	Floor stiffness (kN/m)							α (s^−1)	β (×10^−4 s)
	𝐾1	𝐾2	𝐾3	𝐾4	𝐾5	𝐾6	𝐾7
Identification	380	372	371	370	377	371	375	3.10	5.99
Theoretical values	375	375	375	375	375	375	375	2.00	1.51