Fig 1.
Flow chart of the MPSO algorithm.
Table 1.
Parameter values measured and identified by the above mentioned methods.
Fig 2.
SEM photograph of the jute fiber felt.
Table 2.
Geometric and physical parameters of the samples.
Fig 3.
SAC testing system of the jute fiber felt.
Fig 4.
Jute fiber felt samples and the impedance tube installed with a sample.
Table 3.
Comparison of the identification results by the PSO and MPSO algorithms.
Fig 5.
Comparison of the three SAC curves of the jute fiber felt.
Fig 6.
CPU time and average fitness value for two algorithms at the case of N = 50, 150 and 250.
(a) CPU time. (b) Average fitness value.
Fig 7.
Iterative results of PSO and MPSO algorithms.