Research on the performance degradation assessment method of a mine hoist braking system based on variable step-size
Juanjuan Li1,2, Guoying Meng3, Jianguo Luo1,2
1School of Mechanical Electrical Engineering, North China Institute of Science and Technology, China.
Science Progress
|August 8, 2020
Summary
A novel method using a variable step-size fruit fly optimization algorithm and complex Gaussian wavelet support vector data description enhances hoist brake system performance evaluation. This approach provides reliable, quantitative assessment for improved maintenance strategies.
Area of Science:
- Mechanical Engineering
- Control Systems
- Data Science
Background:
- Hoist braking systems require accurate performance evaluation for safety and maintenance.
- Traditional methods may struggle with complex system dynamics and data analysis.
- Condition-based and intelligent maintenance necessitate robust performance assessment tools.
Purpose of the Study:
- To propose a novel method for evaluating hoist brake system performance.
- To develop a quantitative model for assessing brake system health.
- To enhance the reliability and accuracy of brake performance analysis.
Main Methods:
- Utilizing a variable step-size fruit fly optimization algorithm (VSFVOA) combined with complex Gaussian wavelet support vector data description (CGW-SVDD).
- Extracting characteristic parameters from the pressure-time curve of safety braking.
- Selecting optimal parameters based on correlation, monotonicity, and predictability.
Main Results:
- The VSFVOA-CGW-SVDD model effectively evaluates hoist brake system performance.
- The method demonstrates superior performance over classical optimization algorithms by avoiding local optima.
- Simulation and test-bed data verified the reliability and practicability of the proposed model.
Conclusions:
- The developed VSFVOA-CGW-SVDD model enables quantitative evaluation of hoist brake system health.
- This provides crucial technical support for condition-based and intelligent maintenance of hoist brake systems.
- The study establishes a foundation for advanced diagnostics and prognostics in industrial braking systems.
Keywords:
Mine hoistbraking systemperformance degradation assessmentsupport vector data description (SVDD)variable step-size fruit fly optimization algorithm (VSFOA)More Related Videos
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