US8297392B2 - Hybrid energy management system - Google …
A hybrid energy management system that estimates the net regenerative energy that can be collected during the breaking action of the swing mechanism, then, since this is the net energy that can be used to recharge an energy storage device without using the engine to help recharge the energy storage device, the system limits the use of the energy storage device to that net …
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Maha Fluid Power Research Center - Purdue University
A Robust Multi-Input Multi-Output Control Strategy for the Secondary Controlled Hydraulic Hybrid Swing of a Compact Excavator with Variable Accumulator Pressure. Proceedings of the ASME/BATH 2014 Symposium on Fluid Power & Motion Control .
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Swing Control System for Auger Drives - Pendulum Dampening
Integrated into the hitch and drive hood, this multi-award winning design doesn't depend on friction or cradles and is fully independent of your hydraulic system. Digga's Patented Swing Control is the most revolutionary pendulum dampening system in the world. Its unique design means the faster you move, the quicker the drive unit stops.
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A Robust Multi-Input Multi-Output Control Strategy for the
Nov 20, 2014 · Busquets, E, & Ivantysynova, M. "A Robust Multi-Input Multi-Output Control Strategy for the Secondary Controlled Hydraulic Hybrid Swing of a Compact Excavator With Variable Accumulator Pressure." Proceedings of the ASME/BATH 2014 Symposium on Fluid Power and Motion Control. ASME/BATH 2014 Symposium on Fluid Power and Motion Control. …
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Energy-saving analysis of hydraulic hybrid excavator based
Jan 01, 2013 · The block of the SHT is driven by the sum of toque which is generated by the three ports of the SHT. Q. Wang, and Y. Zhang, "Control strategies of power system in hybrid hydraulic excavator," Automation in Construction, vol. 17, no. 4, pp. 361-367, 2008. H. Seo, S. W. Cha, and W. Lim, "Fuel consumption analysis of hybrid excavator using
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Swing Energy Recuperation Scheme for Hydraulic Excavators
The primary focus of this study is to investigate the control strategies of a hybrid system used in hydraulic excavators. First, the structure and evaluation target of hybrid hydraulic excavators
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US10815646B2 - Boom potential energy recovery of hydraulic
If the energy stored in the accumulator 30 is used to power the swing drive 25 a system similar to that described in co-owned international published patent application WO 2014120930 A1, entitled "Hydraulic hybrid swing drive system for excavators" filed Jan. 30, 2014—incorporated herein by reference, can be used. In this system the
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Improvement of Energy Regeneration for Hydraulic Excavator
Oct 25, 2019 · A novel energy regeneration swing system is proposed for hydraulic excavator in this paper to reduce the energy consumption. Two independent accumulators are proposed for use in the hybrid swing system. The combined control of hydraulic motor displacement and flow control valve and a variable accumulator control strategy were proposed to improve the energy …
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Caterpillar Unveils Its First Hybrid Excavator | For
Dec 12, 2012 · Reuse energy via the hydraulic hybrid swing system, which captures the excavator's upper structure swing brake energy in accumulators, and then releases the energy during swing acceleration
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Synthesis of a MIMO QFT controller for hydraulic hybrid
In swing system of excavators, energy recuperation and hybrid actuation is desirable to improve energy efficiency because of its characteristic large inertial load and cyclic operation. Numerous studies have focused on optimisation of hybrid structures and power management strategies,
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Volvo enhances and expands hybrid excavator range | SMT GB
Jun 09, 2021 · Volvo enhances and expands hybrid excavator range 9 June 2021 Offering fuel efficiency improvements over conventional machines of 17%, Volvo has launched an all-new powertrain for its revolutionary EC300E Hybrid excavator – and introduced the technology in two new models in the 25 and 35-tonne classes.
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Energy-saving analysis of hydraulic hybrid excavator based
Jan 01, 2013 · Free Online Library: Energy-saving analysis of hydraulic hybrid excavator based on common pressure rail.(Research Article, Report) by "The Scientific World Journal"; Biological sciences Environmental issues Energy consumption Control Energy management Methods Energy management systems Excavating machinery Energy use
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Improvement of Energy Regeneration for Hydraulic …
Up to12%cash back · Oct 25, 2019 · Two independent accumulators are proposed for use in the hybrid swing system. The combined control of hydraulic motor displacement and flow control valve and a variable accumulator control strategy were proposed to improve the energy regeneration efficiency and ensure the system performance. A testbench was set up, and …
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Potential Energy Recovery System of Hydraulic Hybrid Excavator
The new method can also be used in various types of heavy lifting devices driven by hydraulic cylinders. for Hydraulic Excavator Swing System.
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Tianliang LIN | Research Director | PhD | National Huaqiao
This paper studies on parameters matching and control strategy of power train systems for hybrid hydraulic excavators (HHEs). Load profiles of a 20-t excavator are measured and analyzed.
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Optimal Control for a Parallel Hybrid Hydraulic Excavator
Jun 02, 2013 · Wang et al. did simulation research and evaluated energy saving effect in parallel hybrid excavators in 2005 and also presented a way to recover potential energy from excavators . The parallel model, system dynamic analysis, rule-based control strategy, fuzzy logic control strategy, and component sizing are put forward by Wang et al. [3–7
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ENERGY SAVING MODEL DESIGN FOR SWING …
The swing drive is hence driven by a hydraulic motor creating a rotating motion. The proposed system is a closed system because bidirectional pump and motor are being
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Oct 01, 2019 · Up to12%cash back · A flow control valve (FCV) 16 is used in the system to regulate the flow to the hydraulic accumulator. A variable-displacement hydraulic motor 4 is used to control the speed of the swing part. During deceleration, the directional control valves DC 1 9 and DC 2 11 work in the middle position.
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Control Strategy for Hybrid Excavator Swing System …
Control Strategy for Hybrid Excavator Swing System Driven by Electric Motor
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Research on the energy regeneration systems for hybrid
Dec 01, 2010 · This paper deals with the method of how to regenerate the potential energy for a hybrid hydraulic excavator (HHE). After studying the structure and working cycle of the HHE, two energy regeneration systems are considered. Then, the control strategy and parameter matching for the proposed energy regeneration system (ERS) are discussed.
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