Review of Flow-Matching Technology for Hydraulic Systems

R Li, Q Sun, X Ding, Y Zhang, W Yuan, T Wu - Processes, 2022 - mdpi.com
The flow-matching problem of hydraulic systems is an important factor affecting the working
performance and energy saving of hydraulic systems. According to the different flow …

[HTML][HTML] 数字液压阀及其阀控系统发展和展望

杨华勇, 王双, 张斌, 洪昊岑, 钟麒 - 吉林大学学报(工学版), 2016 - xuebao.jlu.edu.cn
作为液压系统中重要的控制元件, 液压阀负责实现整个系统的控制功能. 随着传感器技术和电子
技术的发展, 数字阀因其更容易实现计算机控制而日益受到研究者的重视 …

Electro-hydraulic velocity and position control based on independent metering valve control in mobile construction equipment

J Shi, L Quan, X Zhang, X Xiong - Automation in Construction, 2018 - Elsevier
Independent metering valve control system can overcome the shortcomings of the traditional
four-side linkage valve controlled system, such as poor controllability and large energy …

Intelligent identification for working-cycle stages of excavator based on main pump pressure

Y Shi, Y Xia, Y Zhang, Z Yao - Automation in Construction, 2020 - Elsevier
An identification of the working stages of the excavator is used as the basis to realize a
staged energy-saving control and reduce the fuel consumption. However, existing methods …

Control of electric drive powertrain based on variable speed control in construction machinery

S Fu, L Wang, T Lin - Automation in Construction, 2020 - Elsevier
To improve the efficiency of construction machinery driven by pure electric power and to
reduce energy consumption, a variable-pressure differential control strategy based on …

Research on the volumetric efficiency of 2D piston pumps with a balanced force

Y Huang, J Ruan, Y Chen, C Ding, S Li - Energies, 2020 - mdpi.com
Axial piston pumps with high rotational speeds are required in many fields to increase the
power-to-weight ratio. However, three main sliding friction pairs in the pump restrict the …

Intelligent operation of wheel loader based on electrohydraulic proportional control

B Cao, X Liu, W Chen, P Tan… - Mathematical Problems in …, 2020 - Wiley Online Library
In this paper, the wheel loader with electrohydraulic proportional control technology is used
as the carrier. For the first time, the dual‐angle sensor is used for intelligent operation, which …

[PDF][PDF] 负载口独立控制系统压力速度复合控制的耦合特性

丁孺琦, 徐兵, 张军辉 - 浙江大学学报(工学版), 2017 - researchgate.net
以2 个比例方向阀组成的负载口独立控制系统为研究对象, 分析其压力与速度复合控制中的耦合
特性. 基于相对增益矩阵, 推导反应其相互干扰程度强弱的耦合因子; 理论分析其耦合程度与系统 …

An Electro-Hydraulic-Load-Sensitive System on the Basis of Torque Open-Loop Control

YW Li, C Yu, G Chen, M Yang, Y Zhang, F Wang - Processes, 2023 - mdpi.com
Facing the development trend of electrification of construction machinery, in view of the
drawbacks of the existing electro-hydraulic-load-sensitive system in terms of dynamic …

Displacement and dual-pressure compound control for fast forging hydraulic system

J Yao, B Li, X Kong, F Zhou - Journal of Mechanical Science and …, 2016 - Springer
The poor energy efficiency is a big issue in the conventional electro-hydraulic proportional
valve controlled fast forging system due to the huge throttling losses and overflow losses …