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- Title
Research on the New Hydrostatic Transmission System of Wheel Loaders Based on Fuzzy Sliding Mode Control.
- Authors
Wang, Xin; Wang, Zhongyu; Xie, Lei; Wang, Songlin; Wang, Zhongshan; Ma, Wenxing
- Abstract
To improve the control performance and energy efficiency of the hydrostatic transmission (HST) system of wheel loaders, this study proposes a novel variable structure dual-motor hydrostatic transmission system, accompanied by a multivariable control strategy based on fuzzy sliding mode control. By constructing a simulation model of the transmission system, the performance of the novel transmission system is verified, and the control effects of common control strategies are compared. The simulation results show that the proposed control strategy and system have good matching and can adapt to disturbances actively. Field experiment results show that the proposed solution can achieve smooth automatic shifting of wheel loaders, while effectively adjusting system pressure, flow, and power. Compared with the traditional hydrodynamic torque converter loader transmission system, its transmission efficiency is effectively increased by 30%, and the efficiency is increased by 8% compared with the traditional hydrostatic transmission system This achievement is of great significance for improving the working efficiency of wheel loaders and reducing energy consumption. The future research focus is to further improve the multivariable control strategy, achieve intelligent operation, and improve the efficiency and reliability of the transmission system.
- Subjects
SLIDING mode control; HYDROSTATIC extrusion; FIELD research; RELIABILITY in engineering; ENERGY consumption; WHEELS
- Publication
Energies (19961073), 2024, Vol 17, Issue 3, p565
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en17030565