A robust reliability prediction method using Weighted Least Square Support Vector Machine equipped with Chaos Modified Particle Swarm Optimization and Online Correcting Strategy

Xinggao Liu, Youzhi Gu, Shuting He, Zhipeng Xu, Zeyin Zhang

Abstract: Highlights•A more robust SVM model is applied in reliability prediction problems.•Better parameters can be obtained after a novel modification on PSO.•The model mismatch problem in online operation is considered.•The model performance maintenance in the actual production process is highlighted.•Its simplicity, accuracy and robustness are demonstrated high in different tasks.