the function of excavator energy storage device

A generation step for an electric excavator with a control strategy and verifications of energy consumption

Next, energy regeneration systems are classified according to energy storage devices and their development is comprehensively reviewed through the state-of-art.

Energy management strategy of Supercapacitor/Fuel Cell energy storage devices for vehicle applications

More specifically, the objective function (23) of the proposed GWO minimizes the SC energy, Grey wolf optimisation for optimal sizing of battery energy storage device to minimise operation cost of microgrid IET Gener Transm Distrib, 10 (3) (2016), pp. 625-637

The gravitational potential energy regeneration system with closed-circuit of boom of hydraulic excavator

Therefore, it will reduce the energy conversion link between the hydraulic energy and the electric energy, in comparison to the energy storage element of electric energy [15]. In order to achieve the volumetric speed control of the hydraulic system in this paper, the fuzzy PI self-tuning controller is developed to adjust the PMBLDC motor speed.

A review of developments in energy storage systems for hybrid

In this paper, a novel series hybrid hydraulic excavator based on electro-hydraulic composite energy storage, which provides the average power of the system

Optimal Energy Management for Fuel Saving in the Fuel Cell Hybrid Excavator

Abstract: This paper describes an optimal energy management approach for a fuel cell hybrid excavator (FCHE) powered by a fuel cell (FC) system and energy storage devices composed of a Li-ion battery pack and supercapacitor bank.

Energy efficiency analysis of integrated drive and energy recuperation system for hydraulic excavator

When the energy storage hydraulic cylinder [10,11] or energy storage chamber [12][13] [14] is used to recover the gravitational potential energy, the gravity of the working device can also be

Optimal Energy Management of the Electric Excavator Using Super

Super capacitors are energy storage devices that have the advantages of rapid charging, a high charge, an efficient discharge and a semi-permanent cycle life. In

Optimal Energy Management of the Electric Excavator Using

Super capacitors are energy storage devices that have the advantages of rapid charging, a high charge, an efficient discharge and a semi-permanent cycle life. In this study, a simulation of the optimal management was performed by applying a super capacitor with these characteristics to the energy regeneration system of an electric excavator.

Advanced Energy Storage Devices: Basic Principles, Analytical

EC devices have attracted considerable interest over recent decades due to their fast charge–discharge rate and long life span. 18, 19 Compared to other energy storage devices, for example, batteries, ECs have higher power densities and can charge and2a). 20

Swing energy recovery control device of hydraulic excavator

Publication number is the Chinese patent of CN101736771A, discloses a kind of rotary decelerating and braking energy recovery system of hydraulic excavator, and this energy-recuperation system only reclaims rotary braking overflow energy, does not reclaim

(PDF) Optimal sizing of an energy storage system for a hybrid vehicle applied to an

In [22, 23] dynamic programming is used to determine the size of the electrical energy storage in a diesel-electric hybrid machine, while [21] demonstrates how the method presented in this paper

(PDF) Parameter Matching and Control of Series Hybrid Hydraulic Excavator Based on Electro-Hydraulic Composite Energy Storage

hydraulic Composite Energy Storage H ong mei Wang 1,2, Qingfeng Wang 1 1 State Key Laboratory of Fluid Power & Mechatro nic Systems, Zhejiang University, Hangzhou 310027, China;

Battery Electric Drive of Excavator Designed with Support of

its first fully electric, battery-powered EZ17e compact excavator in 2018. All hydraulic functions are as using a hydraulic accumulator as a storage device. The recovered energy was utilized

A review of developments in energy storage systems for hybrid excavator

In [45,46], electric systems were successfully integrated into excavator booms for energy recovery, resulting in less energy consumption, and hence lower CO 2 emissions. Wang et al. [16] studied

Simulated research on large-excavator boom based on hydraulic energy recovery

Simulated research on large-excavator boom based on hydraulic energy recovery. January 2021. ARCHIVE Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering

Energy recovery and utilization system of excavator boom based

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

Sustainable hydrothermal carbon for advanced electrochemical energy storage

The development of advanced electrochemical energy storage devices (EESDs) is of great necessity because these devices can efficiently store electrical energy for diverse applications, including lightweight electric vehicles/aerospace equipment. Carbon materials are considered some of the most versatile mate

Advances in Mechanical Engineering 2016, Vol. 8(3) 1–15 A

Generally, a combined energy storage system is com-posed of two basic energy storage devices: one has high specific energy, whereas the other has high specific power. Ehsani et al.102presented a type of combined energy storage system composed of a battery and super-capacitor to overcome the shortcomings.

Energy storage hydraulic system and excavator using same

The invention provides an energy storage hydraulic system and an excavator using the same and belongs to the technical field of engineering machinery manufacture. The energy storage hydraulic system comprises a hydraulic oil path 1, a first pressure sensor 6, a first hydraulic pump/ motor 7, a second hydraulic pump/ motor 8, a second pressure sensor

A review of energy storage types, applications and recent

Most energy storage technologies are considered, including electrochemical and battery energy storage, thermal energy storage, thermochemical energy storage, flywheel energy storage, compressed air energy storage, pumped energy storage, magnetic energy storage, chemical and hydrogen energy storage.

The Position Measurement of Excavator Working Device

The Position Measurement of Excavator Working Device. December 2020. DOI: 10.1109/ICMCCE51767.2020.00071. Conference: 2020 5th International Conference on Mechanical, Control and Computer

Energy Efficiency of Excavator Boom Cooperative Controlled by

In order to meet the development requirement of excavator electrification, a principle of open circuit volume and energy storage balance technology to cooperative control the

Research on the Method of Hydraulic-gas Energy Storage Balancing Hydraulic Excavator

In Formulas (24) and (25), the energy-consumption lower bound value of the total energy-consumption objective function is and the upper bound value, the angle lower bound value is and the upper

Efficiency analysis and evaluation of energy-saving pressure-compensated circuit for hybrid hydraulic excavator

The article [16] proposes a scheme of energy recovery in an excavator-a hydraulic cylinder connected with an energy recovery device. The energy-saving method is to replace the pressure compensator

Hydraulic accumulator

Hydraulic accumulator. A hydraulic accumulator is a pressure storage reservoir in which an incompressible hydraulic fluid is held under pressure that is applied by an external source of mechanical energy. The external source can be an engine, a spring, a raised weight, or a compressed gas. [note 1] An accumulator enables a hydraulic system to

What is an Excavator? Applications and Types of Excavators

Some of the common applications of excavators are. Digging of trenches, holes, foundations, ditches, and underground excavation. Brush cutting. Material Handling. Forestry work. River dredging. Forestry mulching. Demolition with hydraulic claw, cutter, and breaker attachments. Mining, especially, but not only open-pit mining.

Research on energy saving system of hydraulic excavator based on

EERS is a system that transforms the recoverable energy of excavators into electrical energy using a hydraulic motor-generator, which is then stored in an

Function and application of hydraulic accumulator

1 Application in the field of wind power: accumulator converts wind energy into hydraulic energy, and uses hydraulic accumulator to store wind energy. The function of accumulator is to store energy. Similar applications: hydraulic excavator boom down with accumulator will be potential energy into pressure energy, energy recovery, to achieve

Hybrid control algorithm for fuel consumption of a compound hybrid excavator

For the compound hybrid excavator, ECMS-based power management and engine set speed control algorithms for fuel consumption minimization were proposed. The relation between the penalty function of the ECMS algorithm and the co-state of the optimal control problem has been verified, and the penalty function was designed by analyzing

Energies | Free Full-Text | Design and Research on Electro

Excavators account for about 80% of the total construction machinery. Moreover, the energy utilization rate of traditional hydraulic excavators is low, and only