1. Ph.D. Candidate, Dept. of Engineering Mechanics, Northwestern Polytechnical Univ., Youyi West Rd. 127, Xi’an 710072, China.
2. Professor, Dept. of Engineering Mechanics, Northwestern Polytechnical Univ., Youyi West Rd. 127, Xi’an 710072, China (corresponding author).
3. Professor and Chair for Reliability Engineering, Dept. of Mechanical Engineering, TU Dortmund Univ., Leonhard-Euler-Strasse 5, Dortmund 44227, Germany. ORCID: .
4. Chief Engineer and Chair for Reliability Engineering, Dept. of Mechanical Engineering, TU Dortmund Univ., Leonhard-Euler-Strasse 5, Dortmund 44227, Germany. ORCID: .