The effects of control methods on energy efficiency and position tracking of an electro-hydraulic excavator equipped with zonal hydraulics

Zhang, Shuzhong; Minav, Tatiana; Pietola, Matti; Kauranne, Heikki; Kajaste, Jyrki

doi:10.1016/j.autcon.2019.01.003

Cited by 44 publications

(23 citation statements)

References 12 publications

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“…Standard mini-excavators weigh 0.7-5 tons, mini- excavators, in turn, are divided into 3 main groups: weighing up to 2 tons, 2-3.5 tons and over 3.5 tons. [13][14][15][16].…”

Section: Resultsmentioning

confidence: 99%

Determination of the time norms for excavating soil with a mini excavator

Galiev

Ibragimov

2021

E3S Web Conf.

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Since 2010, there has been a growing trend in the market for mini-excavators from various manufacturers. The range of manufactured equipment is increasing, as well as the technological capabilities of construction equipment are growing. At the same time, in the modern standards of Russia are no figures on the complexity of soil excavation with this type of technology. The article shows the timing of soil excavation using the example of a mini-excavator with a bucket volume of 0.03-0.04 m3. The object of the study is the amount of time the mini-excavator works on II group of soils. The timekeeping method is used to determine the operating time of a mini-excavator with a bucket volume of 0.03 and 0.04 m3. It is experimentally obtained that the norm of time for operation of a mini-excavator with a bucket volume of 0.03m3 is 5.82 mach *hours, and for a bucket volume of 0.04 m3 is 5.37 mach*hour.

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“…Standard mini-excavators weigh 0.7-5 tons, mini- excavators, in turn, are divided into 3 main groups: weighing up to 2 tons, 2-3.5 tons and over 3.5 tons. [13][14][15][16].…”

Section: Resultsmentioning

confidence: 99%

Determination of the time norms for excavating soil with a mini excavator

Galiev

Ibragimov

2021

E3S Web Conf.

View full text Add to dashboard Cite

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“…For other types of machines, for example, loaders, efficiency improvement (fuel consumption reduction) by 50% has been reported in the field tests [54]. Similar to the full PCH excavator, the zonal hydraulic system is proposed for multiactuator machines, showing significant energy efficiency improvement [55], [56]. The main drawback of a full PCH machine is the high cost as the total installed capacity of the pumps is increased compared to the VCH system.…”

Section: B Pump-controlled Hydraulic Systemmentioning

confidence: 99%

A Survey of Powertrain Technologies for Energy-Efficient Heavy-Duty Machinery

Quan

Wei

et al. 2021

Proc. IEEE

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This article presents a comprehensive, multidisciplinary overview of the development of powertrain technologies for energy-efficient heavy-duty earthmoving machines. The heavy-duty earthmoving equipment industry has been among the biggest contributors to emissions globally. However, due to high power demand and multidisciplinary powertrain structures, improving the energy efficiency of heavy-duty mobile machines has been a pressing and challenging task in the industry. To cope with this challenge, hydraulics and power electronics (PE) have been the key driving forces. As such, the relative developments in both fields are covered in this article. For hydraulics, developments of efficient hydraulic circuits will be overviewed in detail along with the introduction of hydraulic energy recovery technologies.In addition, developments of PE architectures in hybrid and electrified machines will be introduced. Furthermore, potential medium-voltage dc mining site power distribution and the valves of wide bandgap devices will also be discussed with the Manuscript

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“…And these simplifies have no impact on the ERUS of boom potential. In order to fulfill the typical working cycle of falling-digging-rising-returning action of working device [20,21], also the control units, in which the PID control strategy is selected, are included besides the working device and hydraulic system in the two models. In Fig.…”

Section: Determination Of V 0 Of Hamentioning

confidence: 99%

Energy recovery and utilization system of excavator boom based on flow regeneration and balance theory

Liu

Jiao

Xian

et al. 2019

J Braz. Soc. Mech. Sci. Eng.

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To meet the tighter emission standard of the diesel engine and save energy, various energy recovery and utilization systems (ERUSs) of excavator boom began to be applied. In this paper, a new ERUS of excavator boom was proposed and designed for a 20-ton traditional excavator (TE) based on flow regeneration and balance theory. In the new ERUS, partial potential energy of excavator boom can be utilized directly, and other partial potential energy of excavator boom is accumulated and released within only one hydraulic-hydraulic circuit. When the models of working device and working device with the new ERUS were built and simulated by AMEsim software based on proportion integration differentiation control strategy and the typical working cycle of TE, it can been seen that the new ERUS can meet the working requirement. Calculating and analyzing the influences of main parameters on the energy saving efficiency of the new ERUS, the optimal parameters are achieved. Then, the performance of new ERUS with optimal parameters is analyzed, some conclusion achieved that the potential energy utilization rates of boom is 20.1%, 24.9 L oil is regenerated, and 37.8 L oil and 41.6% energy are saved.

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The effects of control methods on energy efficiency and position tracking of an electro-hydraulic excavator equipped with zonal hydraulics

Cited by 44 publications

References 12 publications

Determination of the time norms for excavating soil with a mini excavator

Determination of the time norms for excavating soil with a mini excavator

A Survey of Powertrain Technologies for Energy-Efficient Heavy-Duty Machinery

Energy recovery and utilization system of excavator boom based on flow regeneration and balance theory

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