Reliability analysis of the traction unit of a shearer mechanism with response surface method

• Published in: Journal of mechanical science and technology Vol. 31; no. 10; pp. 4679 - 4689
• Main Authors: Zhou, Di, Zhang, Xufang, Zhang, Yimin
• Format: Journal Article
• Language: English
• Published: Seoul Korean Society of Steel Construction 01.10.2017; Springer Nature B.V; 대한기계학회
• Subjects: Computing time; Control; Decision making; Dynamical Systems; Engineering; Gear teeth; Industrial and Production Engineering; Low speed; Mechanical Engineering; Parameter sensitivity; Reliability analysis; Response surface methodology; Risk assessment; Sensitivity analysis; Traction; Vibration; 기계공학; Traction unit; Reliability; HOSRSM; Reliability-based sensitivity
• ISSN: 1738-494X; 1976-3824
• DOI: 10.1007/s12206-017-0914-6

The paper presents a High order stochastic response surface method (HOSRSM) for reliability and reliability-based sensitivity analyses of transmission mechanism of a shearer in heavy and impulsive environments. Dynamic analysis is affected by several sources of uncertainty, and it is important to quantify their combined effect on performance of the mechanism in order to aid risk assessment, risk mitigation, and decision-making. A dynamic transmission model of the traction unit is established under the condition of low speed and impulsive load. A performance function is proposed to evaluate the system transmission accuracy. The effects of basic variables in HOSRSM are investigated on calculation efficiency and computation cost of system precision reliability. The results indicate that structure parameters of a sun gear are more sensitive than others. The tooth width is a more sensitive geometric parameter than the diameter of the center hole. The targets are proposed to manufacture and inspect the sun gear in traction unit for safety.