KR101652112B1 - Hybrid Excavator Boom Actuator System and

KR101652112B1 - Hybrid Excavator Boom Actuator System and

KR101652112B1 - 하이브리드 굴삭기 붐 구동시스템 및 그 제어방법 - …

하이브리드 굴삭기 붐 구동시스템 및 그 제어방법이 개시된다. 개시된 발명은 모터 또는 발전기로 작동되는 전동기, 전동기에서 생산된 전기를 저장하는 울트라 캐패시터, 전동기로 구동되어 붐에 작동유를 공급하는 유압펌프모터, 유압펌프모터의 토출라인과 유입라인을 붐의 헤드 또는 로드 측과

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Crawler Excavators Auction Results - September 29, 2021

Sep 29, 2021 · Crawler Excavators Auction Results - September 29, 2021. Sort by manufacturer, model, year, price, location, sale date, and more. Page 1 of 1.

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A Novel Energy Recuperation System for Hybrid Excavator

A Novel Energy Recuperation System for Hybrid Excavator using Hybrid Actuator International Conference on Control, Automation and Systems (ICCAS 2015) Debdatta Das 1, …

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Actuators | Free Full-Text | Comparative Energy Analysis

May 20, 2020 · With the rising demand for energy efficiency, displacement-controlled or so-called pump-controlled systems have become an attractive research topic for applications in construction machinery and other off-road vehicles. Pump-controlled systems can be implemented with electro-hydrostatic actuators as electro-hydraulic zones, which are located …

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Construction Machine, Hybrid Hydraulic Excavator, And

The Construction Machine, Hybrid Hydraulic Excavator, And Output Torque Control Method For Motor Generator patent was assigned a Application Number # 15108651 – by the United States Patent and Trademark Office (USPTO). Patent Application Number is a unique ID to identify the Construction Machine, Hybrid Hydraulic Excavator, And Output Torque Control Method For …

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시뮬레이션을 이용한 하이브리드 굴삭기용 붐 에너지 회생 Boom …

Boom Energy Regeneration System of Hybrid Excavator Using Engine Actuator Boom Power (%) Time (%) 100 0-100 100 0-100-100 0 100 100 0-100 100-100 0 0 Swing Bucket Arm Fig.1Actuator Power of a Standard Excavation 그러나 붐의 경우 작동 메커니즘이 선회 시스템과

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EP2811077B1 - Boom driving system for hybrid excavator and

EP2811077B1 - Boom driving system for hybrid excavator and control method therefor - Google Patents boom control valve downward movement performs actuator Prior art date Liming Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the

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Hybrid Excavator Boom Actuating System and Method for

The present disclosure relates to a hybrid excavator boom actuating system and to a method for controlling the same. The 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 driven by the electric motor to supply hydraulic fluid to a boom; a boom …

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HYBRID IN CONSTRUCTION MACHINERY

HYBRID HYDRAULIC EXCAVATOR. System Outline Figure 9 shows the system outline of the hybrid hydraulic excavator developed in our company[5]. The front working part, says the boom, arm, and bucket uses hydraulic system, swing uses electric motor to drive. When the swing is braking and boom is lowered

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DISPLACEMENT AND VIBRATION REDUCTION SYSTEM IN …

the boom, arm and bucket tip of hydraulic excavator. The system will compensate the forces generated by the joints which generate the displacements and vibrations. The paper is organized as follows: in section 2, the concept of multiple degree of freedom system is described. In section 3, the excavator system, model and dynamics are discussed.

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The Development of an 8 tonne Class Hybrid Hydraulic

2. Hybrid excavator 2.1 The system configuration Fig. 5 is a block diagram of a hybrid system developed by KOBELCO CONSTRUCTION MACHINERY CO., LTD. This system, designed for an 8 tonne class excavator, is a series-parallel hybrid system in which the hydraulic circuits for the boom and the like are driven in parallel and the swing

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KR101652112B1 - Hybrid Excavator Boom Actuator System and

KR101652112B1 - Hybrid Excavator Boom Actuator System and its Control Method - Google Patents A hybrid excavator boom drive system and a control method thereof are disclosed.

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Hydraulic EXCAVATOR how it works? excavator working principle

May 27, 2019 · A hydraulic excavator is a machine that has mechanical, electronic, and hydraulic components used together to achieve excellent performance in the areas of mining and construction. In general, the engine of a hydraulic excavator is a 4-stroke diesel engine. Its mechanical arm has the facility to incorporate different tools to perform work on

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Dual-Pump Hydraulic Hybrid Excavator with Combined Common

Firstly, we analyze the energy consumption of excavator during one cycle to know the energy distribution among each actuator. Then, the Dual-Pump system is explained to design an easy to modify, cost efficient hydraulic hybrid excavator. Moreover, we focus on the boom system and construct the model.

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A Novel Energy Recuperation System for Hybrid Excavator

A Novel Energy Recuperation System for Hybrid Excavator using Hybrid Actuator. October 2015. DOI: 10.1109/ICCAS.2015.7364681. Conference: 15th International Conference on Control, Automation and

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Study of Energy Recycling in Electro-Hydraulic System

Here system translates the arm/boom/buck's potential energy into electrical energy and then the electrical energy is stored in a storage device. It develops a set of energy management strategy to make the recoverable energy usage efficiently. The advancements in the field of heavy machineries holds key in future of hybrid excavators.

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Optimal design of a compound hybrid system consisting of

For hydraulic hybrid excavators (HEEs), two recoverable energy sources for power hybridization are from engine optimization and actuator energy regeneration. This paper presents a hydraulic hybrid system that integrates with these two sources using engine torque coupling and boom energy regeneration, thus to further explore the fuel economy

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2000 Sumitomo SH450LHD2B For Sale (38424179) from …

2000 Sumitomo SH450LHD2B for sale at Construction Equipment Guide, providing equipment and industry news for over 50 years. Our Coming Auction calendar, Wanted to Buy service and continuous news

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A Boom Energy Regeneration System of Hybrid Hydraulic

Dec 22, 2020 · In this paper, a novel design of an energy regeneration system was proposed for recovering as well as reusing potential energy in a boom cylinder. The proposed system included a hydraulic pump/motor and an electrical motor/generator. When the boom moved down, the energy regeneration components converted the hydraulic energy to electrical energy and …

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A generation step for an electric excavator with a control

May 01, 2013 · A 5-ton class excavator including a conventional boom system (CBS) and a hybrid boom system (HBS) is analyzed, developed as an experimental ELEX (EELEX) with its validation model to evaluate the proposed ELEX. The hardware …

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