Research on energy saving system of hydraulic excavator based on three-chamber accumulator

Yang, Cheng; Zhou, Lianquan; Wang, Jinfeng; Xu, Ting; Yang, Chen; Guo, Yong

doi:10.1016/j.est.2023.108571

Cited by 11 publications

(3 citation statements)

References 25 publications

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“…The hydropneumatic accumulator is also used to increase the energy efficiency of hydraulic systems. In the research [28] proposed an energy-saving system for a hydraulic excavator based on a three-chamber accumulator, which can store and reuse energy losses from throttling and overfilling the hydraulic system without changing the hydraulic system of the excavator. The potential energy of the boom during descent is converted to hydraulic energy and stored in a three-cell accumulator, which is then released to power the boom lift.…”

Section: Introductionmentioning

confidence: 99%

The influence of the hydropneumatic accumulator on the dynamic and noise of the hydrostatic drive operation

Stosiak,

Karpenko

2024

Eksploatacja i Niezawodność – Maintenance and Reliability

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The article presents the possibility of influencing the hydrostatic drive's dynamics and noise using a hydropneumatics accumulator. The possibility of limiting the maximum dynamic load during the start-up period of a drive equipped with an accumulator and controlled by a slide distributor is presented in the article. The influence of the accumulator on the sound pressure level and its relationship with the maximum dynamic values of the working fluid pressure in the hydraulic system is also described. Experimental studies of the dynamics and acoustics of laboratory hydrostatic systems were performed. A dynamic model of the hydrostatic drive equipped with an accumulator was developed, which was used to perform simulation tests illustrating the impact of the accumulator capacity on the system's dynamics. Acoustic tests were carried out for a system with a linear hydrostatic drive simulator.

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Section: Introductionmentioning

confidence: 99%

The influence of the hydropneumatic accumulator on the dynamic and noise of the hydrostatic drive operation

Stosiak,

Karpenko

2024

Eksploatacja i Niezawodność – Maintenance and Reliability

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“…Hydraulic excavators (HEs) are versatile heavy equipment commonly used in many fields of industry, such as building, digging, moving, drilling, mining, and other industries for various earth-moving tasks. They possess several distinctive characteristics that make them suitable for a wide range of applications: providing high force and torque, multi-functional use, high flexibility, and work in harsh environments [4,5]. However, consuming a lot of fossil fuels and emitting a lot of pollutant emissions into the environment are challenges that still exist in HEs [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Working Performance Improvement of a Novel Independent Metering Valve System by Using a Neural Network-Fractional Order-Proportional-Integral-Derivative Controller

Nguyen,

Do,

Phan

et al. 2023

Mathematics

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In recent years, reducing the energy consumption in a hydraulic excavator has received deep attention in many studies. The implementation of the novel independent metering valve system (NIMV) has emerged as a promising solution in this regard. However, external factors such as noise, throttling loss, and leakage have negative influences on the tracking precision and energy saving in the NIMV system. In this paper, a novel control method, simple but effective, called a neural network-fractional order-proportional-integral-derivative controller is developed for the NIMV system. In detail, the fractional order-proportional-integral-derivative (FOPID) controller is used to improve the precision, stability, and fast response of the control system due to the inclusion of non-integer orders in the proportional, integral, and derivative terms. Along with that, the auto-tuning algorithm of the neural network controller is applied for adjusting five parameters in the FOPID controller under noise, throttling loss, and leakage. In addition, the proposed controller alleviates the amount of calculation for the system by using model-free control. To verify the effectiveness of the proposed controller, the simulation and experiment are conducted on the AMESim/MATLAB and a real test bench. As a result, the proposed controller not only operates the NIMV system accurately in the target trajectory but also reduces energy consumption, saving up 23.33% and 29.25% compared to FOPID and PID in the experimental platform, respectively.

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“…Compared to mechanical and electrical types, hydraulic types have fewer conversion links, lower costs, and higher reliability [10]. It is more suitable for construction machinery in harsh working environments [11].…”

Section: Introductionmentioning

confidence: 99%

Numerical Analysis of Energy Recovery of Hybrid Loader Actuators Based on Parameters Optimization

Luo

et al. 2022

Actuators

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The conventional loader actuator hydraulic system suffers from the potential energy waste problem of the boom arm. This study proposes a hydraulic control method and control strategy for the energy recovery and regeneration of a hybrid loader arm. When the boom arm drops, the piston side of the boom cylinder charges the accumulator, and the system achieves energy recovery. When the boom arm rises, the accumulator releases hydraulic energy to drive the energy regeneration hydraulic motor to provide energy for the system, and the system achieves energy regeneration. The system’s principle analysis and the mathematical model are completed based on Boyle’s, Newton’s second law, and the flow continuity principle. The simulation model is established using AMESim 2D mechanical library, HCD library, and signal library. Under the typical working condition, 50-type wheel loader numerical simulation research is conducted, and the system cylinder motion characteristics, accumulator charging and discharging performance, system energy recovery, and regeneration performance are obtained. On this basis, energy recovery and regeneration efficiency are selected as optimization objectives. The optimal designs of accumulator and energy regeneration hydraulic motor parameters are carried out to obtain the influence law of accumulator and hydraulic motor parameters on system energy recovery and regeneration, and the energy-saving effect of the system is analyzed. The results show that the optimized parameters effectively improve the system energy recovery and regeneration efficiency and reduce engine fuel consumption. The system provides a reference for designing an energy recovery system and researching the energy-saving technology of loaders.

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Research on energy saving system of hydraulic excavator based on three-chamber accumulator

Cited by 11 publications

References 25 publications

The influence of the hydropneumatic accumulator on the dynamic and noise of the hydrostatic drive operation

The influence of the hydropneumatic accumulator on the dynamic and noise of the hydrostatic drive operation

Working Performance Improvement of a Novel Independent Metering Valve System by Using a Neural Network-Fractional Order-Proportional-Integral-Derivative Controller

Numerical Analysis of Energy Recovery of Hybrid Loader Actuators Based on Parameters Optimization

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