scholarly journals Review of the Energy Saving Hydraulic System Based on Common Pressure Rail

IEEE Access ◽  
2017 ◽  
Vol 5 ◽  
pp. 655-669 ◽  
Author(s):  
Wei Shen ◽  
Honglei Huang ◽  
Yu Pang ◽  
Xiaoyu Su
Keyword(s):  
Energy Saving ◽  
Hydraulic System ◽  
Common Pressure Rail

scholarly journals ENERGY-EFFICIENT TECHNICAL SOLUTIONS FOR THE OPERATIONAL CHARACTERISTICS OF THE HYDRAULIC DRIVE OF THE TRACTOR

2021 ◽  
Author(s):  
R.V. Yudin ◽  
◽  
R.N. Puzakov ◽  
Keyword(s):  
Energy Saving ◽  
Energy Efficient ◽  
Hydraulic System ◽  
Hydraulic Drive ◽  
Working Fluid ◽  
Uneven Terrain ◽  
Operational Characteristics ◽  
High Dynamic ◽  
Hydraulic Accumulator ◽  
Technical Solutions

During the movement of the tractor on the uneven terrain, there are fluctuations that cause jumps of the working fluid in the hydraulic system and high dynamic loads. The solution to this problem is the use of an energy-saving hydraulic drive with a hydraulic accumulator and a system of aggregates this leads to increased efficiency and increased productivity of skidding grippers. A mathematical model of working processes with an energy-saving hydraulic drive is compiled.

Feedback Servo Pump Station Overflow Innovative Energy-Saving Design

2011 ◽  
Vol 341-342 ◽  
pp. 452-455
Author(s):  
Liang Yuan Shen ◽  
Hong Guang Wang ◽  
Rui Jun Zhang ◽  
Peng Peng Liu
Keyword(s):  
Energy Saving ◽  
Hydraulic System ◽  
Adaptive Functioning ◽  
Supply Voltage ◽  
Load Condition ◽  
Control Valve ◽  
Work Requirements ◽  
Pump Station ◽  
Short Time ◽  
Large Flow

The usual hydraulic pump station pumps the general use of quantitative supply voltage level or constant pressure, using the corresponding control valve speed to adapt to work requirements, when the hydraulic system is intermittent or low-load condition, a large number of high-pressure oil through regulator overflow Back to the tank overflow valve, causing a great deal of energy consumption, when the hydraulic system requires a large flow of oil, it will result in a short time for the fluid system for liquid inadequate and under-voltage phenomenon. To solve this problem, we propose to improve the program, and conducted the analysis and comparison of several options to determine the source of energy-saving adaptive overall scheme of oil, its reasonable design, implementation of the automatic adaptive functioning, energy loss Small, the effect is significant.

scholarly journals A Novel Control Strategy for an Energy Saving Hydraulic System With Near-Zero Overflowing Energy-Loss

IEEE Access ◽  
2018 ◽  
Vol 6 ◽  
pp. 33810-33818 ◽  
Author(s):  
Tianliang Lin ◽  
Shengyan Zhou ◽  
Qiang Chen ◽  
Shengjie Fu
Keyword(s):  
Energy Loss ◽  
Energy Saving ◽  
Control Strategy ◽  
Hydraulic System

Displacement Control of Hydraulic Pump with Servo System for Energy Saving

2011 ◽  
Vol 148-149 ◽  
pp. 942-946 ◽  
Author(s):  
Jin Сhun Song ◽  
Guan Gan Ren ◽  
Yu Jie Ren ◽  
Bai Sen Zhang
Keyword(s):  
Mathematical Modeling ◽  
Energy Saving ◽  
Pressure Loss ◽  
Hydraulic System ◽  
Actual Situation ◽  
Displacement Control ◽  
Hydraulic Pump ◽  
Servo Valve ◽  
Governing System ◽  
Large Pressure

The worst problem we are facing in the hydraulic system is the serious loss of energy, due to bad matching between the power components and the actuators and the large pressure loss when oil flowing though the various hydraulic elements, especially in speed governing system. However, Servo pump which is introduced in this paper can cover the problems mentioned above finely. The most difficult thing is its mathematical modeling, in the paper, it is established according to the actual situation. Here, the modeling between servo valve and cylinder, between cylinder and pump are established respectively, then these are connected by geometry relationship, finally ,the whole modeling is completed.

The Hydraulic System Improvement of Copper Ingot Hot Rolling Equipment Based on Energy-Saving

2013 ◽  
Vol 364 ◽  
pp. 33-36
Author(s):  
Jian Jun Wang ◽  
Su Lan Hao ◽  
Lu Pan
Keyword(s):  
Energy Loss ◽  
Energy Saving ◽  
Hot Rolling ◽  
Hydraulic System ◽  
Power Efficient ◽  
System Improvement ◽  
Hot Rolled ◽  
And Control ◽  
System Power ◽  
Copper Ingot

In the design of hydraulic system, it is not only satisfied the transmission and control, but also needed to consider how to use the system power efficient and reliable. For a workshop of hot-rolled copper ingot production line hydraulic system, through the analysis of energy loss of hydraulic system, improved the hydraulic system of equipment for the purpose of energy-saving, and solved the problem in the process of transformation, achieved the purpose of energy-saving. These can provide reference for the energy-saving design and improvement of hydraulic system.

Selection of Operating Modes of a Multi-Functional Hydraulic Device

2005 ◽  
Author(s):  
Amir Shenouda ◽  
Wayne J. Book
Keyword(s):  
Control System ◽  
Energy Saving ◽  
Hydraulic System ◽  
Force Feedback ◽  
New Technology ◽  
Hydraulic Cylinder ◽  
Hydraulic Control ◽  
Operating Modes ◽  
Machine Productivity ◽  
Spool Valve

The field of earth moving equipment is experiencing a transformation due to the introduction of more electronic control capability and advanced control concepts. Conventional hydraulic control systems are controlled by proportional directional spool valve. The construction of the spool valve is such that a given position of the spool determines the flow in and the flow out restriction sizes. Thus, metering in and metering out are dependent or coupled. A certain restriction size on the inlet corresponds to a certain restriction size on the outlet. Therefore, we have one degree of freedom. It can provide for good motion control but it cannot achieve energy saving potential at the same time. In this paper, the concept of ‘independent meter in / meter out’ will be emphasized. Decoupling of meter in from meter out provides for more controllability and potential for energy saving in overrunning load cases when compared with a conventional spool valve controlled hydraulic system. A four-valve configuration controlling a hydraulic cylinder will be stressed. The four-valve configuration can operate in several modes because each of the four valves is controlled separately from the others. Five of these metering modes will be pointed out; two conventional modes and three regenerative modes. An industry system supplier has introduced a novel distributed independent metering in/meter out hydraulic system with actuator force feedback. This control system is going to presented in brief. The distributed, actuator mounted implementation of this system maximizes the efficiency of the regeneration flow by minimizing the line losses associated with the recirculating fluid This control system can be used to control a multi-functional hydraulic device, e.g. excavators, tractor loader backhoes, etc... An experiment was done where a typical dig cycle was performed by a tractor loader backhoe equipped with this new technology. The data recorded from this experiment is used to perform an off-line optimization of metering modes selection for each function during the cycle. this off-line optimization can be used to maximize machine productivity or machine efficiency or a weighted combination of both. A general objective function will be presented and results will be given for maximizing machine productivity. Finally conclusions and future work suggestions are presented.

Improvement of Hydraulic System of New Energy Saving Die Casting Machine

2012 ◽  
Vol 591-593 ◽  
pp. 428-431
Author(s):  
Xu Xia Zhu ◽  
Wei Min Zhao ◽  
Jia Feng Xu
Keyword(s):  
Sustainable Development ◽  
Renewable Energy ◽  
Energy Consumption ◽  
Energy Saving ◽  
Hydraulic System ◽  
Energy Supply ◽  
Die Casting ◽  
Casting Machine ◽  
New Methods ◽  
New Energy

Due to the growing tension of non-renewable energy supply, in order to enhance sustainable development and competitiveness of the die-casting equipment, developing new energy-saving die casting machine is imperative. In this paper the hydraulic system of die casting machine was studied, mainly about how to adjust and improve its oil supply and oil return system, servo technology and pneumatics were applied, the result shows that the new methods can effectively reduce the overall energy consumption, and improve the efficiency of the system.

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