(PDF) Control strategy of a novel energy recovery system for parallel hybrid hydraulic excavator …
Due to the complex working condition and frequent load changing, the efficiency of the hydraulic excavator is low. The aim of this article is to propose a control strategy for energy recovery ...
Get a quote
Potential energy regeneration method and its engineering applications in large-scale excavator…
Taking a large-scale excavator as an example, during a certain 90 excavation process, the gravitational potential energy wastage of the working device is approximately 975.1 kJ, which amounts to at least 20% of the energy consumption of …
Get a quote
Pressure storage type efficient and energy-saving excavator
The invention relates to an energy-saving excavator, and belongs to the field of engineering machinery. The excavator comprises an engine and a hydraulic pump. A hydraulic pressure storage device is arranged in the excavator. The engine drives the hydraulic pump ...
Get a quote
Research on energy saving system of hydraulic excavator based …
Based on the result 1.84/1.2842 = 1.4328, it can be concluded that the energy storage density of the TCA is 1.4328 times higher than that of conventional accumulators. This implies that the energy storage density has increased by 43.28 %. 3. Design of energy
Get a quote
Optimal Energy Management of the Electric Excavator Using …
This paper deals with the energy management of environmentally friendly electric excavators using super capacitors. The power distribution profile of the fuel cell, …
Get a quote
A review of developments in energy storage systems for hybrid …
A novel series hybrid hydraulic excavator based on electro-hydraulic composite energy storage, which provides the average power of the system through the …
Get a quote
Energy recovery for hybrid hydraulic excavators: flywheel-based …
While in hydraulic hybrid systems, hydraulic accumulators are used as energy storage devices. As for a mechanical one, a flywheel is the most common …
Get a quote
Design of energy storage unit for hybrid excavator power …
Keywords—hybrid excavator, energy storage unit, life-time, ultra-capacitor, NIMH I. INTRODUCTION Energy saving and pollutant reduction have become more and more …
Get a quote
Energy saving solutions for a hydraulic excavator | Request PDF
9]. When the energy storage hydraulic cylinder [10,11] or energy storage chamber [12] [13] [14] is used to ... Accurate energy flow results are the premise of excavator energy-saving control ...
Get a quote
Experimental analysis of slewing energy recovery potential of large hydraulic excavator …
Chowdhury P, Das D, Truong B, et al. Research on energy regeneration and effect of dynamic characteristics of secondary control swing for hydraulic excavator system. In: 15th international conference on control, automation and …
Get a quote
A generation step for an electric excavator with a control strategy and verifications of energy consumption …
Hybrid energy storage systems (HESSs), which combine energy- and power-optimised sources, seem to be the most promising solution for improving the overall performance of energy storage.
Get a quote
(PDF) Parameter Matching and Control of Series …
hydraulic Composite Energy Storage H ong mei Wang 1,2, Qingfeng Wang 1 1 State Key Laboratory of Fluid Power & Mechatro nic Systems, Zhejiang University, Hangzhou 310027, China;
Get a quote
(PDF) A novel approach for the energy recovery and position control of a hybrid hydraulic excavator …
with the boom of excavator is proposed by Chen et al. [ 21] which employ a hydraulic accumulator as main energy storage. element fabricated in novel configuration with the aim of recov-. ering ...
Get a quote
A review of developments in energy storage systems for hybrid …
The energy storage system with higher power density, higher energy density, small size, long lifetime and low cost is essential for the hybrid system. This …
Get a quote
6 Tips for Proper Winter Storage of Your Compact …
Tips you should consider before storing your excavator include keeping the machine out of the winter elements; checking fluids, oils and filters; inspecting the tracks; and examining hydraulic hoses and …
Get a quote
Improvement of Energy Regeneration for Hydraulic Excavator …
The fuel cell is the main power supply for most of the excavator workload while the battery/supercapacitor is the energy storage device, which supplies additional required power and recovers energy.
Get a quote
The gravitational potential energy regeneration system with closed-circuit of boom of hydraulic excavator …
Therefore, it will reduce the energy conversion link between the hydraulic energy and the electric energy, in comparison to the energy storage element of electric energy [15]. In order to achieve the volumetric speed control of the hydraulic system in this paper, the fuzzy PI self-tuning controller is developed to adjust the PMBLDC motor speed.
Get a quote
Article Methodology of Excavator System Energy Flow-Down
Energies 2020, 13, 951 4 of 18 Hydraulic motor pressure Pa MCV loss J Main pump pressure Pa, MCV output energy J . Hydraulic cylinder flow rate m3/s Pumping loss J Low heating value J/kg,
Get a quote
Energy efficiency analysis of integrated drive and energy recuperation system for hydraulic excavator …
Peak power and energy consumption are both reduced by more than 20 % compared with the VMFP using the two-chamber cylinder. The energy-saving characteristics of the 6-ton excavator are emphatically analyzed considering energy storage and re-utilization.
Get a quote
Method of Load Matching Control of Hydraulic Excavator''s Energy …
A new control method of hydraulic excavator''s energy saving is put forward in this paper.According to the method,the load of excavator is estimated according to the output pressure of pump.Based on the result of the estimation of load,the speed control lever of diesel governor and the torque absorption of pump are controlled to ensure the diesel''s …
Get a quote
Energy recovery for hybrid hydraulic excavators: flywheel-based …
Abstract. Hybridization is an effective method to reduce fuel consumption and emissions of toxic pollutants generated by hydraulic excavators (HEs). This paper first reviews various hybrid HEs architectures with electrical, hydraulic, or flywheel-based energy recovery systems (ERSs). Flywheel-based ERS is not widely used in HEs but has …
Get a quote
Design and Research on Electro-Hydraulic Drive and Energy Recovery System of the Electric Excavator …
Energies 2022, 15, 4757 3 of 17 storage component, the accumulator plays an important role in low processing cost and high power density, while the battery has the advantages of low power density and high energy storage density. However, the …
Get a quote
Research on energy saving system of hydraulic excavator based …
Research on energy saving system of hydraulic excavator based on three-chamber accumulator. November 2023. Journal of Energy Storage 72 (2):108571. DOI: 10.1016/j.est.2023.108571. Authors:
Get a quote
Novel potential energy regeneration systems for hybrid hydraulic excavator…
Taking the traditional 20 t excavator as an example, the energy efficiency of the power system and the hydraulic system are only about 35% [4]. It is urgent to carry out research on energy ...
Get a quote
Optimization of energy regeneration of hybrid hydraulic excavator boom system …
For further improvement of energy efficiency, a novel architecture in which the hydraulic motor is installed between the boom cylinder and the main control valve was put forward by Yu et al. [20 ...
Get a quote
Parameter Matching and Control of Series Hybrid Hydraulic Excavator Based on Electro-Hydraulic Composite Energy Storage …
Traditional excavators driven by diesel engine have poor emissions and low energy efficiency. Pure electric driven excavators have high cost and limited endurance. Therefore, at present, hybrid power train system is an ideal candidate for excavators to realize energy-saving and emission reduction. In this paper, a novel series hybrid hydraulic excavator …
Get a quote
(PDF) Parameter Matching and Control of Series …
In this paper, a novel series hybrid hydraulic excavator based on electro-hydraulic composite energy storage, which provides the average power of the system through the diesel engine, and the...
Get a quote
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 …
Get a quote
Mountain heavy excavator_ Energy saving excavator_ The price of excavator…
Shandong Shitian Heavy Industry Co., Ltd. is located in Shandong Jining Technology Industrial Development Zone. In 2020, the hybrid excavator production project was listed as a major provincial construction project. Contact information Sales Call：+86-537-3209081
Get a quote
Simulated research on large-excavator boom based on hydraulic energy recovery
Simulated research on large-excavator boom based on hydraulic energy recovery. January 2021. ARCHIVE Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering ...
Get a quote
A study on an energy saving electro-hydraulic excavator
The aim of this paper is to propose a new energy saving hybrid excavator using an electro-hydraulic circuit design driven by an electric motor/generator for the generation of potential energy ...
Get a quote
Control strategy of a novel energy recovery system for parallel …
The aim of this article is to propose a control strategy for energy recovery system of hydraulic excavator driven by the parallel hybrid system. The mathematical …
Get a quote
X-MOL
Improvement of Energy Saving for Hybrid Hydraulic Excavator with Novel Powertrain International Journal of Precision Engineering and Manufacturing-Green Technology ( IF 4.2 ) Pub Date: 2022-07-19, DOI: 10.1007/s40684-022-00437-9
Get a quote
Energy Efficiency of Excavator Boom Cooperative Controlled by Open Circuit Volume and Energy Storage …
In order to meet the development requirement of excavator electrification, a principle of open circuit volume and energy storage balance technology to cooperative control the hydraulic excavator boom is proposed. To control the constant pump output flow to match the load demand by changing the servo motor speed. The independent energy storage …
Get a quote
The gravitational potential energy regeneration system with closed-circuit of boom of hydraulic excavator …
The closed circuit GPE regeneration system [GPERS] associated with the boom of excavator is proposed by Chen et al. [21] which employ a hydraulic accumulator as main energy storage element ...
Get a quote
A comprehensive overview of hybrid construction machinery
With hybrid construction machinery (HCM) attracting more attention, the powertrain configurations, energy management strategies, and energy storage devices have been presented by many scholars for HCM. 9–12 Lin et al. 13 presented the HCM review in 2010. presented the HCM review in 2010.
Get a quote