# Design Optimization of Underground Mining Vehicles Based on Regenerative Braking Energy Recovery
## 5 Conclusions and Prospects  
This paper focuses on the optimization of the underground mine car design, specifically using the CTY5/6 GB explosion-proof motor car as the research object. Physical modeling and simulation are employed to comprehensively consider the operating environment, load requirements, and braking system performance. These techniques provide an in-depth understanding of the behavior of underground mine cars under different conditions and serve as a valuable foundation for subsequent experiments and applications. The implementation of regenerative braking technology in mining vehicles offers several advantages. Firstly, it effectively recovers energy losses during the braking process, reducing reliance on external systems and enhancing energy utilization efficiency and system operation efficiency.  
Secondly, it reduces heat generation in the braking system, thereby extending its service life.  
Thirdly, this technology contributes to the reduction of energy consumption and CO\({}_{2}\) emissions in the coal mine transportation system, facilitating energy-saving measures and compliance with environmental regulations.  
Experimental results demonstrate the feasibility of applying regenerative braking technology in mining vehicles, with a recovery rate of approximately 60%. This technology provides reliable and cost-effective solutions for various types of coal mine transportation systems. It offers substantial economic and environmental benefits, making it an efficient and feasible solution for energy saving and emission reduction in the mining vehicle sector. Furthermore, its potential for optimization and wide application in mining vehicle energy consumption warrants further exploration.  
The study of optimal underground mine car design with a focus on brake energy recovery systems is crucial for improving energy efficiency and reducing environmental impact. With the increased emphasis on renewable energy and energy sustainability, this technology is expected to find widespread application and further development in the future. The application of Brake Energy Recovery Systems (BERS) significantly minimizes adverse environmental impacts by reducing reliance on external power sources and mitigating waste heat and CO\({}_{2}\) emissions from mining vehicle operations. This sustainable technological innovation aligns well with the mining industry's environmental impact. Although the initial investment may be substantial, the installation of brake energy recovery systems is expected to yield long-term benefits as energy prices rise and the demand for sustainable mining practices increases. Companies can anticipate financial gains through improved energy efficiency, reduced energy consumption, and decreased environmental impact. As global attention to environmental protection and sustainability continues to grow, it is likely that more regulations and policies will emerge to encourage the mining industry's adoption of environmentally friendly and energy-efficient technologies. Brake energy recovery systems may become a recommended technology to meet regulatory and policy requirements, prompting more companies to embrace this solution. In conclusion, the investigation into the installation of brake energy recovery systems in underground mining vehicles represents a forward-looking and sustainable endeavor. It not only brings more efficient, cost-effective, and environmentally friendly solutions to the mining vehicle industry but also promotes sustainable development across the sector as a whole.  
Conceptualization, J.H. and P.L.; methodology, J.H.; validation, J.H., P.L. and H.H.; formal analysis, P.L.; resources, J.H.; data curation, X.L.; writing--original draft preparation, P.L.; writing--review and editing, P.L. and B.M.; visualization, B.M.; supervision, X.L.; project administration, H.H.; funding acquisition, J.H. All authors have read and agreed to the published version of the manuscript. This research was funded by the National Natural Science Foundation of China, grant number 52174121.