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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 battery and accumulator are used as the intermediate energy storage devitalize the output current of the battery, and improve the service life of the ...
According to the working condition characteristics of a company''s existing XE series 70-ton-large-scale crawler hydraulic excavator, a new hydraulic type is designed for the purpose of energy saving, which contains an accumulator as a reversible energy storage component and a variable pump/motor as an energy conversion element.
Aiming at the large hydraulic excavator of which the boom is driven by dual hydraulic cylinders, the principle of double hydraulic-gas energy storage cylinders driving the hydraulic excavator''s ...
Parameter matching and control of series hybrid hydraulic excavator based on electro-hydraulic composite energy storage IEEE Access, 8 ( 2020 ), pp. 111899 - 111912, 10.1109/ACCESS.2020.2999620 View in Scopus Google Scholar
1 Boom potential energy regeneration method for hybrid hydraulic excavators Jianxin Zhu1,2, Chao Shen1,2*, Qinghua He2, Saibai Li2, Peng Dai2, Xiang Li2 1 State Key Laboratory of Precision ...
DOI: 10.1109/ACCESS.2020.2999620 Corpus ID: 220071577; Parameter Matching and Control of Series Hybrid Hydraulic Excavator Based on Electro-Hydraulic Composite Energy Storage
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 ...
Different ESEs are adopted in different energy storing systems for energy demand. For example, flywheel is widely used in hydro systems, while accumulator is widely used in hydraulic systems [8], and battery or SC (Super Capacitor) is usually used in hybrid vehicles and construction machineries.Now people are exploring the combination of applications with a …
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 output power …
This paper presents an innovative powertrain design and an energy regeneration system for hybrid hydraulic excavators to reduce energy consumption and emissions. The proposed system is designed to maximize …
In current pure electric-hydraulic excavators, the main power source is the battery, and the working device of the load is the hydraulic system. How to make full use of the advantages of electric energy storage and …
paid to environmental issues on Earth, the energy con-sumption of hydraulic excavators has become a widespread concern. In recent years, many studies have been conducted on how to reduce the energy consumption of hydraulic excavators [1–5]. According to statistics, during the oper-ational period of a hydraulic excavator, the slewing time
Hydraulic excavators are mostly used in mines and construction sites. To minimize the energy consumption of hydraulic excavators during operation, a slewing energy-saving system of hydraulic hybrid excavators is presented. A parameter matching method of non-dominated sorting genetic algorithm (NSGA-II) considering feasible and infeasible solutions is …
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 …
In contrast, HERS generally uses accumulators to store hydraulic energy directly in a hydro-pneumatic way, which shortens the energy transmission chain [8–10]. Yang proposed a hydraulic excavator energy storage system based on three-chamber accumulators that can reduce energy consumption by 44.9 % [11].
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 based on electro-hydraulic composite energy storage, which provides the average power of the system through the diesel engine, and the battery a
A review of developments in energy storage systems for hybrid excavators. Autom ConStruct (2017) H. Kim et al. Hybrid control algorithm for fuel consumption of a compound hybrid excavator. ... the energy reuse of drive mode is important to decide the energy saving efficiency of hydraulic excavator. Even if the energy regeneration efficiency is ...
A discussion of the differences between hydraulic excavators and automobiles is shown in this paper. ... In electrical hybrid systems, batteries and ultracapacitors are two common energy storage devices. While in hydraulic hybrid systems, hydraulic accumulators are used as energy storage devices. As for a mechanical one, a flywheel is the most ...
Yang proposed a hydraulic excavator energy storage system based on three-chamber accumulators that can reduce energy consumption by 44.9 % [11]. However, multiple hydraulic cylinders are still controlled by a traditional multi-way valve, leading to a substantial throttling loss. An independent metering control valve is a promising technology ...
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 battery
improving efficiency and energy (storage and growing) on hydraulic excavators. In this article, we review Hydraulic Excavator technology, including the performance, related components, energy, efficiency, and future opportunities of hydraulic excavators. Specific research questions are discussed based on Research Question (RQs):
The hydraulic accumulator has the advantages of high power density, fast response, stable operation and high cost performance. However, compared with the electric energy storage method, the hydraulic accumulator …
Wang T, Wang Q, Lin T. Improvement of boom control performance for hybrid hydraulic excavator with potential energy recovery. Automat Constr 2013; 30: 161–169. Crossref. Web of Science. ... Constant pressure hydraulic energy storage through a variable area piston hydraulic accumulator. Appl Energ 2013; 105: 262–270. Crossref. Web of Science.
Several studies on these matters Automation in construction equipment, particularly hydraulic excavators, has gained popularity among producers and academics. This article examines articles about environmental concerns, efficiency enhancements, and energy (storage and evolving) issues in hydraulic excavators from a number of databases.
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 battery and accumulator are used as the intermediate energy storage devitalize the output current of the battery, and improve the service life of theattery, is proposed.
research and used in the hydraulic excavator to reduce the energy consumption [4, 5]. Energy regeneration of hybrid hydraulic excavator is an eective way to save energy, because the large amount of potential energy and kinetic energy is existed in actuators, which can be regenerated and stored in energy storage unit (ESU) [6, 7].
Compared with an electric hybrid system composed of a battery or supercapacitor, a hydraulic accumulator as an energy storage device for HCM has the following advantages: (1) The hydraulic accumulator systems have an …
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