A study on an energy saving electro-hydraulic excavator

A study on an energy saving electro-hydraulic excavator

Energy-saving in excavators with application of

Jan 15, 2015 · Simulations compared power consumption of pump between excavator hydraulic systems with a conventional main control valve (MCV) and independent metering valve configuration (IMV). Through this comparative study, the IMV's effectiveness on energy saving in the excavator system was analyzed.

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Energy-saving analysis of hydraulic hybrid excavator based

Jan 01, 2013 · [9] I. Y. Jong, K. K. Ahn, and Q. T. Dinh, "A study on an energy saving electro-hydraulic excavator," in Proceedings of the International Joint Conference on Control, Automation and Systems and Annual Conference of the Society of Instrument and Control Engineers (ICCAS-SICE '09), pp. 3825-3830, Fukuoka, Japan, August 2009.

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An Overview of Energy Savings Approaches on Hydraulic

Apr 01, 2019 · In, an electric hydraulic excavator configuration was proposed to improve the overall energy efficiency and eliminate emissions; it consisted of an independent metering-in and metering-out hydraulic system and a displacement variable pump driven by a speed variable electric motor with an external electric supply.

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Excavator energy-saving efficiency based on diesel engine

Sep 20, 2012 · The hydraulic excavator energy-saving research mainly embodies the following three measures: to improve the performance of diesel engine and hydraulic component, to improve the hydraulic system, and to improve the power matching of diesel-hydraulic system-actuator. Although the above measures have certain energy-saving effect, but because the …

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Volvo CE Designs Cost Saving Excavator System | CK

Sep 16, 2021 · The hydraulic energy storage, which is made up of hydraulic accumulators, aids energy-efficiency recovery of kinetic energy and peak power supply. For the excavator's cylinder-driven functions, 'smart actuators' are used to realise energy-efficient conversion from hydraulic power to variable force and speed.

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Comparative energy analysis of a load sensing system and a

Pump-controlled systems can be implemented with electro-hydrostatic actuators as electro-hydraulic zones, which are located next to the end actuator as a replacement for the traditional valve-controlled hydraulic actuation systems. In this paper a …

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Actuators | Free Full-Text | Comparative Energy Analysis

May 20, 2020 · With the rising demand for energy efficiency, displacement-controlled or so-called pump-controlled systems have become an attractive research topic for applications in construction machinery and other off-road vehicles. Pump-controlled systems can be implemented with electro-hydrostatic actuators as electro-hydraulic zones, which are located …

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A study on an energy saving electro-hydraulic excavator

Sep 01, 2017 · The most important energy saving was highlighted in LPC with a reduction of 70% compared to the standard machinery. Table 4 reports the fuel saving percentage of the novel hydraulic hybrid excavator. 5. Conclusions Energy saving solutions for LS systems applied to a hydraulic excavator have been presented and analysed in detail.

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Electrohydraulic Control Solutions For Ecaaor

INNOVATIVE DESIGN SAVE ENERGY INNOVATIVE DESIGN SAVE ENERGY EASILY SERVICEABLE EASILY SERVICEABLE This circuit provides responsive and smooth control of the fixed gear pump system for the breaker on a hydraulic excavator, using a solenoid valve, compensator, needle valve and relief valve. It has a maximum inlet flow of 180 lpm/47

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Energy-saving design of variable-displacement bi

Nov 30, 2020 · Losses in control valves drag down the average overall efficiency of electrohydraulic systems to only about 22% from nearly 75% for standard pump-motor sets. For achieving higher energy efficiency

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The effects of control methods on energy efficiency and

Therefore, this paper presents a case study on the effects of control methods regarding the energy efficiency and tracking performance of an electro-hydraulic excavator equipped with zonal hydraulics—as a case study by means of a significantly improved simulation model from the tracking performance and energy consumption points of view.

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Power Line Proximity Warning Systems for Construction

110 System for Excavators and Conventional Cranes SIGALARM is a solid state electronic monitoring system used for detecting the electrostatic field of any AC power line. It provides both audible and visual warn

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‪Truong Quang Dinh‬ - ‪Google Scholar‬

A study on an energy saving electro-hydraulic excavator. JI Yoon, AK Kwan, DQ Truong. 2009 ICCAS-SICE, 3825-3830, 2009. 58: 2009: A generation step for an electric excavator with a control strategy and verifications of energy consumption. JI Yoon, DQ Truong, KK Ahn.

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Energy Saving Actuator & Drive Technology for Advanced

Impacts The effect of new energy efficient system designs developed in this research on the energy consumption and productivity of mobile hydraulic systems with multiple linear hydraulic actuators is being studied on a Bobcat 435 excavator system. Detailed multi-body dynamic and hydraulic system co-simulation models were developed for both the

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Engineering Proceedings | Free Full-Text | Collaborative

A hydraulic excavator consists of multiple electrohydraulic actuators (EHA). Due to uncertainties and nonlinearities in EHAs, it is challenging to devise a proper control strategy. To tackle this issue, a major goal of our study is to provide an efficient control strategy to minimize tracking errors of the bucket tip position for autonomous excavation.

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Study on Hybridization of Hydraulic System Used in Heavy

Nowadays with the high fuel costs, the stress for energy saving and green emission of construction machineries, while not sacrifice of the operating performance, safety and dependableness, particularly for hydraulic excavators (HYEXs), are extremely exaggerated. As a result, electro-hydraulic actuators (EHA), that is promoted and with success applied to …

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VILLE SALOMAA EFFICIENCY STUDY OF AN ELECTRO-HYDRAULIC …

VILLE SALOMAA: Efficiency Study of an Electro-Hydraulic Excavator Tampere University of Technology Master of Science Thesis, 59 pages, 16 Appendix pages September 2017 Master's Degree Programme in Mechanical Engineering Major: Fluid …

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Study on electro-hydraulic actuated close –loop controlled

Jun 26, 2020 · Yoon J. I., Kwan A. K., Truong D. Q. (2009) A study on an energy saving electro-hydraulic excavator. ICCAS-SICE-2009, IEEE, pp. 3825–3830. Lv C., Zhang J., Li Y., Yuan Y. (2015) Mechanism analysis and evaluation methodology of regenerative braking contribution to energy efficiency improvement of electrified vehicles.

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The effects of control methods on energy efficiency and

Therefore, this paper presents a case study on the effects of control methods regarding the energy efficiency and tracking performance of an electro-hydraulic excavator equipped with zonal hydraulics—as a case study by means of a significantly improved simulation model from the tracking performance and energy consumption points of view.

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Sigalarm Model 210 Telescoping Manual

Sigalarm will supply the entire antenna system for models: 110, 210, 310, and 510; however the following are additional wiring options that may be utilized to connect antenna lead in with antenna pigtail: • This includes coaxial cables, single or double wire shielded cables, or two single unshielded cables.

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