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Hybrid powertrain with dual energy regeneration for boom cylinder movement in a hydraulic excavator
Automation in Construction ( IF 9.6 ) Pub Date : 2025-01-21 , DOI: 10.1016/j.autcon.2025.105974
Van Hien Nguyen, Tri Cuong Do, Kyoung Kwan Ahn
Automation in Construction ( IF 9.6 ) Pub Date : 2025-01-21 , DOI: 10.1016/j.autcon.2025.105974
Van Hien Nguyen, Tri Cuong Do, Kyoung Kwan Ahn
This paper presents a powertrain integrated with an energy regeneration system designed to decrease energy consumption and emissions in hybrid hydraulic excavators. The feature of this powertrain is its integration of a hydrostatic transmission (HST), which optimizes torque and speed between the pump and power sources. Additionally, the energy regeneration system includes two distinct methods: employing an independent hydraulic motor or utilizing the hydraulic motor mode of the main hydraulic pump/motor to recapture potential energy from the boom cylinder. Furthermore, an energy management approach, leveraging an equivalent consumption minimization strategy, is proposed to distribute power requirements, aiming to maximize engine efficiency. Compared to existing hybrid and conventional systems, both experimental and simulation results show that the proposed system can achieve energy savings of up to 61.64%. Additionally, the energy regeneration efficiency of the proposed system can reach up to 73% during the cylinder lowering process.
中文翻译:
混合动力系统具有双能量再生功能,用于液压挖掘机中的动臂油缸运动
本文介绍了一种与能源再生系统集成的动力总成,旨在降低混合动力液压挖掘机的能耗和排放。该动力总成的特点是集成了静液压传动 (HST),可优化泵和动力源之间的扭矩和速度。此外,能量再生系统包括两种不同的方法:采用独立的液压马达或利用主液压泵/马达的液压马达模式从吊臂油缸中回收势能。此外,提出了一种能源管理方法,利用等效的消耗最小化策略来分配功率需求,旨在最大限度地提高发动机效率。与现有的混合动力和常规系统相比,实验和仿真结果表明,所提系统可实现高达 61.64% 的节能。此外,在气缸下降过程中,所提出的系统的能量再生效率可以达到 73%。
更新日期:2025-01-21
中文翻译:
混合动力系统具有双能量再生功能,用于液压挖掘机中的动臂油缸运动
本文介绍了一种与能源再生系统集成的动力总成,旨在降低混合动力液压挖掘机的能耗和排放。该动力总成的特点是集成了静液压传动 (HST),可优化泵和动力源之间的扭矩和速度。此外,能量再生系统包括两种不同的方法:采用独立的液压马达或利用主液压泵/马达的液压马达模式从吊臂油缸中回收势能。此外,提出了一种能源管理方法,利用等效的消耗最小化策略来分配功率需求,旨在最大限度地提高发动机效率。与现有的混合动力和常规系统相比,实验和仿真结果表明,所提系统可实现高达 61.64% 的节能。此外,在气缸下降过程中,所提出的系统的能量再生效率可以达到 73%。