Energy recovery and utilization system of excavator boom based …
WebDec 10, 2019 · 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 …
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A Study on the Energy Regeneration System of Boom for
WebProvided in exemplary embodiments of the present disclosure is a boom driving system for a hybrid excavator and a control method therefor, which may allow an electric motor generator to
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Qucosa - Technische Universität Dresden: Qucosa - TUD
WebNov 27, 2020 · Regenerative energy well known as regenerative power is a promising energy technology that can promote cost efficiency. First, we refer to the mechanism and relationship between motor and generator. The motor usually works using electric power. On the other hand, the generator supplies power as its shaft is turned by an external force.
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A novel hydraulic excavator boom driving system with high …
WebOct 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 …
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A Study on the Energy Regeneration System of Boom for
WebOct 16, 2015 · Request PDF | A Study on the Energy Regeneration System of Boom for Hybrid Hydraulic Excavator | Nowadays, energy crisis and pollution have become a serious problem in the world. Saving energy of
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Flywheel-Based Boom Energy Recovery System for Hydraulic Excavators
WebNov 27, 2020 · Regenerative energy well known as regenerative power is a promising energy technology that can promote cost efficiency. First, we refer to the mechanism and relationship between motor and generator. The motor usually works using electric power. On the other hand, the generator supplies power as its shaft is turned by an external force.
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US9732501B2 - Boom driving system for hybrid excavator and
WebWhen pressure/flow relationships of two or more actuators allow for regeneration, the SPR 32 of FIG. 2 can be used to recover energy and improve the cycle efficiency, for example, by about 33%
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Optimization of energy regeneration of hybrid hydraulic excavator boom
WebOct 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 …
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FAQ: What are regenerative drives and where are …
WebMar 28, 2017 · Machines used in many industrial facilities, such as those in manufacturing and processing plants, are supported by electric motors that operate on a frequent stop-and-start motion. As the motor decelerates and accelerates again, regenerative (or excess) energy is produced. Left unmanaged, the regenerative load can lead to over-voltage that …
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10-3 Application of Power Regenerative Boom system to …
WebThis paper is presenting the application of Power Regenerative Boom(PRB) system to excavator. In order to increase the fuel efficiency of the excavator, potential energy of the front structure is recuperated by the hydraulic hybrid system with electric-hydraulic control, during boom down motion. Charged energy into accumulator is reused after
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Optimization of energy regeneration of hybrid hydraulic excavator boom
WebJun 15, 2018 · The excavator boom driving scheme where two pumps are coaxial-driven by one permanent magnet motor is studied in [17]. The potential energy of the boom can be stored in both accumulator and supercapacitor. The energy efficiency of the boom system reaches up to 60%.
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A novel hydraulic excavator boom driving system with high …
WebJun 9, 2021 · Application of Power Regenerative Boom system to excavator Choon-shik Joo, M. Stangl Engineering 2016 This paper is presenting the application of Power Regenerative Boom (PRB) system to excavator. In order to increase the fuel efficiency of the excavator, potential energy of the front structure is… Expand 19 PDF
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WO2013115530A1 - Boom driving system for hybrid excavator …
WebThe present invention relates to a boom driving system and a control method of a hybrid excavator, and more particularly, a hybrid excavator for driving a hydraulic pump motor to lift and
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Improvement of Energy Regeneration for Hydraulic Excavator Swing System
WebMar 1, 2019 · A regenerative boom system in our previous research is shown in Figure 1 [11], in which Internal Combustion Engine (ICE) 1 and hydraulic pump 2 in combination with a check valve 3 are the main
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10-3 application of power regenerative boom system to · pdf
WebMar 22, 2018 · Application of Power Regenerative Boom system to excavator Chief Research Engineer, Choonshik Joo Hydraulic Center, Heavy Construction Equipment, Research & Development Division, 7-11, Hwasu-Dong, Dong-Gu, Incheon, South Korea, E-mail: [email protected] Group Manager Concepts and Simulation, Martin Stangl System …
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Control strategy of a novel energy recovery system for parallel …
WebDec 4, 2019 · As shown in Figure 1, a speed variable inverter motor is used to drive an electric displacement and pressure variable pump for controlling the flow rate and pressure of the system.And,an independent metering in and metering out system is used to distribute the flow to the actuators. And also, the boom cylinder, arm cylinder and swing …
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What is Regenerative Energy? |Tech | Matsusada Precision
WebOne embodiment relates to a hybrid vehicle drive system for a vehicle including a first prime mover, a first prime mover driven transmission, a rechargeable power source, and a PTO. The hybrid vehicle drive system can include a control system for reducing or eliminating regenerative braking during a traction control or anti-lock braking event.
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US9512596B2 - Hybrid excavator boom actuating system and …
WebThe boom actuating system comprises: an electric motor serving as a motor or a generator; an ultra capacitor for storing electricity generated by the electric motor; a hydraulic pump motor
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A Boom Energy Regeneration System of Hybrid …
WebOct 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 …
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10-3 application of power regenerative boom system to · pdf
WebMar 22, 2018 · Application of Power Regenerative Boom system to excavator Chief Research Engineer, Choonshik Joo Hydraulic Center, Heavy Construction Equipment, Research & Development Division, 7-11, Hwasu-Dong, Dong-Gu, Incheon, South Korea, E-mail: [email protected] Group Manager Concepts and Simulation, Martin Stangl System …
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