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Energy saving method of hydraulic accumulator

As the boom of a hydraulic excavator drops, the potential energy accumulated during the lifting process is converted into thermal energy and dissipated through the throttling action of the hydraulic valve, leading to ex.
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Energy saving and performance enhancement of hydraulic

The hydraulic accumulator is widely used for storing energy in hydraulic system, but it is a passive device; the flowrate and volume of hydraulic oil adjusted by the accumulator are not well

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Energy-saving strategies on power hydraulic system: An overview

The electricity consumed by the hydraulic-electric hybrid vehicles is about 11.4% less than the conventional purely electric vehicles.26 Energy savings by improving the function of the hydraulic system The energy savings of a mobile power hydraulic system is directly related to its operation or the function of the hydraulic system.

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Hydraulic accumulator-motor-generator energy regeneration system

Though the traditional energy regeneration system(ERS) which used a hydraulic motor and a generator in hybrid excavators can regenerate part of the energy, the power of the motor and the generator should be larger and the time for regenerating energy is so short. At first, the structure of new ERS that combines the advantages of an electric and hydraulic

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Energy-Efficiency Improvement and Processing Performance

To better study the energy-saving methods for hydraulic presses, The results show that the hydraulic accumulator has promising energy-saving e ects. Triet and Ahn [20] utilized a hydraulic

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Energy-Efficiency Improvement and Processing Performance

This paper proposes an energy-saving system based on a prefill system and a buffer system to improve the energy efficiency and the processing performance of hydraulic presses. Saving energy by integrating such systems into the cooling system of a hydraulic press has not been previously reported. A prefill system, powered by the power unit of the cooling

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(PDF) Energy-saving Methods for Hydraulic Presses Based on Energy

Configuration and scheduling of grouped hydraulic presses in the energy-saving method a low-high pressure double oil hydraulic system with accumulators was presented with the features of high

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Energy saving and performance enhancement of hydraulic

devoted to enhancing the energy eciency of hydraulic systems, with the majority of these endeavors focusing on three aspects: system structure optimization [, 109 ], waste energy recovery [ 11], and efficient components development [12, 13]. These methods focus on minimizing the disparity between the energy supplied to the hydraulic system and the

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Energy Regeneration and Reuse of Excavator Swing System with Hydraulic

The gravitational potential energy can be converted into electric energy or hydraulic energy. The accumulator can charge the battery through the hydraulic motor and generator. Zou, X., Li, L., et al. (2019). Energy-saving design method for hydraulic press drive system with multi motor-pumps. International Journal of Precision Engineering

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An energy-saving method to reduce the installed power of hydraulic

DOI: 10.1016/J.JCLEPRO.2019.06.084 Corpus ID: 197804374; An energy-saving method to reduce the installed power of hydraulic press machines @article{Yan2019AnEM, title={An energy-saving method to reduce the installed power of hydraulic press machines}, author={Xiaopeng Yan and Baijin Chen and Dongwei Zhang and Chengxing Wu and Wanxian Luo}, journal={Journal

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Hydraulic accumulators in energy efficient circuits

A) Inline accumulators in a hybrid automobile transmission [reproduced from Costa and Sepehri (2015)] and (B) secondary accumulator circuit in a wind generator [reproduced from Dutta et al. (2014)].

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Energy-saving Methods for Hydraulic Presses Based on

332 Mengdi Gao et al. / Procedia CIRP 48 ( 2016 ) 331 – 335 Summarizing the findings above, it can be claimed that, the energy saving method and low carbon design of hydraulic press mainly

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Hydraulic accumulators in energy efficient circuits

1 Department of Mechanical Engineering, Federal Institute of Science and Technology of the State of Pernambuco, Recife, Brazil; 2 Department of Mechanical Engineering, University of Manitoba, Winnipeg, Manitoba, Canada; Hydraulic accumulators have long been used in hydraulic circuits. Applications vary from keeping the pressure within a circuit branch to

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Hydraulic System Accumulator: Function, Types, and Benefits

The main function of a diaphragm-type hydraulic accumulator is to store energy in the form of pressurized fluid. This stored energy can be used to supplement the power output of the hydraulic system during peak demand periods, or to absorb excess fluid pressure during system operation. They provide a compact and efficient method of storing

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Energy saving solutions for a hydraulic excavator

DOI: 10.1016/J.EGYPRO.2017.08.255 Corpus ID: 115932622; Energy saving solutions for a hydraulic excavator @article{Bedotti2017EnergySS, title={Energy saving solutions for a hydraulic excavator}, author={Andrea Bedotti and Federico Campanini and Mirko Pastori and Luca Ricc{`o} and Paolo Casoli}, journal={Energy Procedia}, year={2017}, volume={126}, pages={1099-1106},

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Energy-saving starting method of electric motor based on the

Downloadable (with restrictions)! The series electro-hydraulic hybrid powertrain has advantages in improving the dynamic characteristics and increasing the cruising range of battery rail vehicles. In order to reduce the large peak starting current of electric motor, an energy-saving starting method is proposed, which is using the hydraulic pump/motor to reversely drive the electric motor to

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Review of the Progress of Energy Saving of Hydraulic Control

In many different industrial domains, hydraulic control systems are extensively utilized. This paper examines the current state of research and the trajectory of energy-efficient hydraulic control system development. Initially, a quick introduction to the control principles of hydraulic control systems is given. Secondly, hydraulic control systems are classified, the

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Energy Saving Implementation in Hydraulic Press Using

With the growing cost of electrical energy, the necessity of energy-saving implementation in industries based on energy audits has become a major focus area. Energy audit results indicate energy-saving potential in an application and require the physical presence of the auditor''s team for monitoring and analyzing the energy consumption data. The use of

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A Novel Control Strategy for an Energy Saving Hydraulic System

The simulation model and the test rig, where a hydraulic accumulator is used as a HERU, are established to verify the effectiveness of the control strategy and energy savings of the

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Modeling and simulation of hydrostatic transmission system with energy

A new hydraulic closed-loop hydrostatic transmission (HST) energy-saving system is proposed in this paper. The system improves the efficiency of the primary power source. Furthermore, the system is energy regenerative, highly efficient even under partial load conditions. It can work in either a flow or pressure coupling configuration, allowing it to avoid

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(PDF) Energy-Efficiency Improvement and Processing

This paper proposes an energy-saving system based on a prefill system and a buffer system to improve the energy efficiency and the processing performance of hydraulic presses. Saving energy by

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Output feedback control for energy-saving asymmetric hydraulic servo

In contrast to other driving methods, hydraulic servo system has unique advantages such as large torque/force output and high-power density. It is widely used in industrial applications including digging robots [1], hydraulic press [2], equipment performance tests [3] and load simulation [4] and so on. Thus far, the improvement of the energy efficiency

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Energy improvement of fineblanking press by valve-pump

Semantic Scholar extracted view of "Energy improvement of fineblanking press by valve-pump combined controlled hydraulic system with multiple accumulators" by Xu Zhicheng et al. An energy-saving method to solve the mismatch between installed and demanded power in hydraulic press.

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Power Matching and Energy Efficiency Improvement

To address this problem, a hydraulic accumulator is used to balance the load of the power source for assisting starting of the motor and a matching method combined with speed and displacement control of the pump

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Energy-Efficiency Improvement and Processing Performance

The results show that the hydraulic accumulator has promising energy-saving e ects. Triet and Ahn [20] utilized a hydraulic accumulator and a flywheel to realize energy recovery and presented a control strategy for this energy-saving method. Ven [21] developed a novel hydraulic accumulator that can keep the hydraulic system pressure constant by

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Step-by-step guide – Charging a Hydraulic Accumulator

Hydraulic accumulators play a crucial role in various hydraulic systems, providing a reliable source of stored energy. But in order for an accumulator to function properly, it needs to be properly charged and maintained. In this article, we will discuss how to charge a hydraulic accumulator using different methods and provide you with a step-by-step guide.

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Review of Energy-saving Technologies in Modern Hydraulic Drives

Except for the well-known energy-saving methods mentioned in the review paper [5][6][7][8][9], such as hybrid system and machine learning, combining a mechanical gearbox with a hydraulic drive and

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Development and Evaluation of Energy-Saving Electro-Hydraulic

The proposed system has advanced characteristics in both energy saving and high specific power by using a hydraulic accumulator. The energy saving potential of the system is obtained by recovering energy as well not using throttle valves. Huang, H.; Li, X.; Li, L.; Zhou, D. An Energy Matching Method for Hydraulic Press Group Based on

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Energy Saving and Control of Hydraulic Press Fast Forging

： 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. Aimed to address this problem, the energy flow distribution of fast forging process is obtained by adopting the load force and velocity analysis method of duty cycle. Through analyzing the

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Improvement of Energy Saving for Hybrid Hydraulic Excavator

To reduce the energy consumption and emission, an innovative powertrain and the energy management strategy are proposed for hydraulic excavator in this paper. The novel powertrain consists of the engine, motor/generator, planetary gear, gearbox, and variable hydraulic pump. The energy regeneration system is also applied on the system to regenerate

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Constant pressure hydraulic energy storage through a variable

Hydraulic accumulators are used in a variety of applications to minimize the pressure variation in hydraulic circuits and to store energy. Conventional hydraulic accumulators suffer from two major

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About Energy saving method of hydraulic accumulator

About Energy saving method of hydraulic accumulator

As the boom of a hydraulic excavator drops, the potential energy accumulated during the lifting process is converted into thermal energy and dissipated through the throttling action of the hydraulic valve, leading to ex.

••The proposed three-chamber accumulator offers a high energy.

AbbreviationsCV1–6 cartridge valve1–6 EERS electric energy regeneration system HERS hydraulic energy regeneration.

In recent years, there has been global attention towards energy conservation and emission reduction due to the rapid increase in global energy demand and the consumption of n.

2.1. Configuration of the TCATo overcome the limitations of conventional hydraulic accumulators that fail to provide sufficient energy to meet the pressure requirements of a.

This paper investigates the energy saving system of a medium-sized excavator, model XCMG215DA. Part of its parameters is presented in Table 2.Table 2. Part of X.

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