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

Algorithm 2

Threshold adjusting example.

Input:  ,  ,  ,  ,  

Output: ,  ,  

Initialization: , , ,   )

% 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)

% Cost-sensitive Learning by Threshold Adjusting

Calculate the output of MKL-CS-ELM based on the Eq. (19).

Calculate the optimal output of MKL-CS-ELM.