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  • Energy Regeneration and Reuse of Excavator Swing …

    Oct 01, 2019 · Up to12%cash back · The research on the structure and control strategy of the hybrid hydraulic excavator is widely studied nowadays, and as a result, energy consumption is reduced dramatically [11,12,13,14,15]. Hybrid hydraulic excavators can be classified into electric hybrid systems and hydraulic hybrid systems [ 16, 17, 18 ].

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  • MECALAC | 15MWR, Compact and innovative wheel excavator!

    Thanks to the lowering of the engine on the turret, the 15MWR offers excellent visibility and compactness uncompromising the machine's mobility. 15MWR machine is equipped with numerous technical characteristics for optimal construction site management on all types of terrain: • naturally balanced. • all terrain capacity. • manoeuverability.

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  • Excavator Swing System Controlled with Separate Meter …

    In order to improve the energy efficiency and dynamic of negative control swing systems of excavators, this paper proposes a technical scheme of adding two PRVs (pressure reducing valves) to main

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  • Mecalac 11MWR wheeled excavator

    Mecalac 11MWR. he fusion of the advantages of wheeled and crawler excavators brought about a unique Mecalac solution, conjugating mobility, versatility, stability, accessibility, driving user friendliness, lifting power and profitability. This is MWR series.

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  • Excavator Swing System Controlled with Separate Meter-in

    Conventional swing system of hydraulic excavator is controlled by a valve control system with single degree of freedom due to the fact that its inlet and outlet orifices are connected mechanically

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  • Construction Digger JCB Boys Party Decorations Block

    Banner spells PARTY ZONE. ONE ~ Block Banner ~ Length 9ft (1.74m). Introducing The Construction Party Range.

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  • Research on Trajectory Planning and Autodig of Hydraulic

    May 04, 2017 · As the advances in computer control technology keep emerging, robotic hydraulic excavator becomes imperative. It can improve excavation accuracy and greatly reduce the operator’s labor intensity. The 12-ton backhoe bucket excavator has been utilized in this research work where this type of excavator is commonly used in engineering work. The kinematics …

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  • Parameter Matching Analysis of Hydraulic Hybrid Excavators

    Nov 12, 2013 · 3. Application of DPA for Hydraulic Hybrid Excavators. The purpose of this paper is to calculate the component parameter configuration that minimizes the fuel consumption in typical working condition of the excavator by DPA algorithm, and a 5 ton LS-control prototype is used as research object, and the existing components in prototype should be changed as less as possible to reduce the reform

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  • Dual Source Integrated Driving for Hydraulic Excavator

    Excavator Swing System Weinan HUANG, Xiaogang ZHANG, Lei GE, Long QUAN Key Lab of Advanced Transducers and Intelligent Control System of Ministry of Education and Sh anxi province, Taiyuan

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  • IOP Conference Series: Materials Science and Engineering

    This article presents a synthesis and research of combined optimal control algorithms of the AC drive excavator rotation mechanism. 2. Materials and methods There are a large number of algorithmic languages in which the solution of a task can be executed. The choice of the programming language depends on many conditions.

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  • Experimental study on model of negative control of

    In order to improve the energy efficiency and dynamic of negative control swing systems of excavators, this paper proposes a technical scheme of adding two PRVs (pressure reducing valves) to main

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  • Ritsumeikan Humanoid Lab; Research

    Learning optimal walking/running control by symmetry and passivity (Tohoku Univ. 2002-2004, ATR 2005-, Nagoya Univ. 2005-, Gifu Univ. 2007-) Global gait generation by time-reversal symmetry and passivity

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  • The control strategy for improving the stability of a

    Mar 13, 2015 · It is concluded that the control strategy for compound hybrid power excavators has to guarantee the charge and discharge priority for operation of the swing and the boom lowering. Otherwise, large-scale switches of the operation point of the engine have to be performed in order to keep the state of charge in the appropriate range, which results

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  • Working stage identification of excavators based on

    Oct 01, 2021 · Control signals are used as segmentation marks to identify excavator working stage. • Three machine learning methods are used to establish the action recognition model. • Accuracy and lagging misidentifications of 93.21% and 4.68% are got for LSTM model. • The time window width with one PWM signal period is optimal for LSTM classifier. •

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  • A control method to suppress the swing vibration of a

    Sep 23, 2011 · For control design, dynamic models of typical swing motions of the hybrid excavator are derived using a system identification technique. Because the system states of theobtained models are not directly measurable, a sliding mode observer is designed to estimate the system states.

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  • Research on Optimal Control of Excavator Negative …

    Research on Optimal Control of Excavator Negative Control Swing System Processes 2020, 8 (9), 1096; https://doi.org/10.3390/pr8091096 by Lijie Zhang 1, Wenbo Fu 1, Xiaoming …

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  • Optimization-Based Fuzzy Energy Management Strategy for

    Oct 26, 2020 · Follow the previous research, a 20-t hydraulic excavator was studied and the pressures of the non-rod side chamber of the cylinder, the rod side chamber of the cylinder, the two ports of the swing motor, the pumps, and the cylinder displacement and the rotational angle of the swing were tested. This work shows that the potential energy that a

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