Journal of Mechanical Science and Technology

, Volume 32, Issue 11, pp 5069–5077

# Reliability analysis of martial arts arena robot systems based on fuzzy set theory

• Guang-Jun Jiang
• Le Gao
Article

## Abstract

The reliability of the martial arts robot, which is a popular object of the intelligent robot competitions, is studied in this paper. Due to various uncertainties, the precise models of failure probabilities can’t be established. The fuzzy set theory is adopted to enable dynamic quantitative analysis of the system reliability, and the triangular fuzzy numbers are used to represent the failure possibility of basic events. To obtain the fuzzy failure probability importance of basic events, the fault mechanism of the martial arts arena system is studied. The intelligent robot system is evaluated by qualitative analysis and quantitative calculation. The results of this paper can provide theoretical analysis of the fault diagnosis and useful suggestion for maintenance of the martial arts robot.

## Keywords

Triangular fuzzy numbers Fuzzy operator Fuzzy fault tree Fuzzy probability importance

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