Fault Diagnosis Method of Check Valve Based on Multikernel Cost-Sensitive Extreme Learning Machine

Algorithm 1

Oversampling example.

Input:  ,  ,  ,  ,  

Output:  ,  ,  

Initialization: ,  ,  ,  

% The resample of the cost-sensitive dataset

Calculate and based on Eq. (16) and (17)

Judgement

If ,

The number of resample in the is

Updating

Updatingthe sample

End

% Construct the multi-kernel function

Repeat

Calculate .

Updating based on Eq. (13).

Updating based on Eq. (14).

Iteration ;

Until

Calculate the optimal output function of the MKL-CS-ELM based on Eq. (15).