Modeling and Simulation Research of Coaxial Parallel Hybrid Loader

Zou, Nai Wei; Dai, Qun Liang; Jia, Yuan; Wei, Zhang; Ren, You

doi:10.4028/www.scientific.net/amm.29-32.1634

Cited by 13 publications

(8 citation statements)

References 1 publication

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“…The power requirement has different working cycles depending on the applications. Many construction machinery manufacturers and researchers have studied hybrid wheel loaders to effectively use the braking energy and operate the engine within its high-efficiency range [110][111][112][113]. According to the classification of hybrid vehicles in the automotive field, there are three main design options for hybrid wheel loader power trains: series, parallel, and series-parallel.…”

Section: Architecture Review Of Hybrid Construction and Agricultural mentioning

confidence: 99%

Trends and Hybridization Factor for Heavy-Duty Working Vehicles

Somà¹

2017

Hybrid Electric Vehicles

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Reducing the environmental impact of ground vehicles is one of the most important issues in modern society. Construction and agricultural vehicles contribute to pollution due to their huge power trains, which consume a large amount of petrol and produce many exhaust emissions. In this study, several recently proposed hybrid electric architectures of heavy-duty working vehicles are presented and described. Producers have recently shown considerable attention to similar research, which, however, are still at the initial stages of development. In addition, despite having some similarities with the automotive field, the working machine sector has technical features that require specific studies and the development of specific solutions. In this work, the advantages and disadvantages of hybrid electric solutions are pointed out, focusing on the greater electromechanical complexity of the machines and their components. A specific hybridization factor for working vehicles is introduced, taking into account both the driving and the loading requirements in order to classify and compare the different hybrid solutions.

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Section: Architecture Review Of Hybrid Construction and Agricultural mentioning

confidence: 99%

Trends and Hybridization Factor for Heavy-Duty Working Vehicles

Somà¹

2017

Hybrid Electric Vehicles

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“…A ZL50 loader is as the prototype, permanent magnet synchronous is as motor/generator, super capacitor is as energy storage element [3], [4], [6], [7]. Fig.…”

Section: A Parallel Hybrid Power Loader System Structurementioning

confidence: 99%

“…Outlet pressure of hydraulic pump and load torque are small in transportation walking, outlet pressure of hydraulic pump and load torque are high and volatile in shovel and unloading work. Whether hybrid technology is suitable for loaders, it should be measured from energy-saving effect, power, economy and cost [3], [4]. Loader conditions analysis show that the low fuel efficiency of loader is because of the rugged demand power, frequent and violent load fluctuations, which …”

Section: B Loader Conditions Analysismentioning

confidence: 99%

“…In China, LIUGONG Machinery exhibited CLG862-HYBRID loader in 2010, with super capacitor as energy storage, engine and ISG motor supply torque, which could achieve synthesis and averaging of high and low load torque. XCMG launched ZL50G hydraulic hybrid loaders, which could efficiently recover braking energy and downhill potential energy [2]- [4], [6]. Hybrid power loaders should meet the original function, parameter matching and optimization, rational control strategies should be researched in-depth.…”

Section: Introductionmentioning

confidence: 99%

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A mutual authentication protocol for low-cost RFID tags formally verified using CasperFDR and AVISPA

Zhao

Zhang

et al. 2013

2013 IEEE Third International Conference on Information Science and Technology (ICIST)

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To improve the energy-saving effect of loaders, this paper study the hybrid power technology in-depth. In this paper a parallel hybrid power loader is investigated as research object, operating condition of a 5 tons loader is analyzed. Parameter matching and control strategy based on super capacitor charge status and load conditions are proposed. Results show that the hybrid power loader uses about 10.4% less fuel than traditional loader and has good fuel economy, and the super capacitance works stability within the setting range. Energy utilization is enhanced and energy-saving effect is improved.

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“…15,16 In 2010, Liugong and Xugong Machinery Co., Ltd. launched hybrid wheel loaders CLG862-HYBRID and ZL50GS. These two models are parallel hybrid systems.…”

mentioning

confidence: 99%

Loader power-split transmission system based on a planetary gear set

Lyu

Zhao

Lyu

2018

Advances in Mechanical Engineering

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In hydraulic mechanical transmission loaders, a hydraulic torque converter can prevent an engine from stalling due to overloading of the loader during the spading process; however, the hydraulic torque converter also reduces the loader's fuel economy because of its low transmission efficiency. To address this issue, the study designs an output-power-split transmission system that is applied to a hybrid loader. The designed transmission system removes the hydraulic torque converter in the power transmission system of a traditional loader and adopts a planetary gear set with a compact structure as the dynamic coupling element, thus allowing the output power of the loader to be split transmitted. During shoveling, the loader power-split transmission system based on a planetary gear set can prevent the motor from plugging and over-burning under conditions that ensure that the traction does not decrease. In addition, the transmission efficiency and loader fuel economy are higher in the proposed transmission system than in the power transmission system of a traditional loader. The test results show that the transmission efficiency of the designed system was 13.2% higher than that of the traditional hydraulic mechanical transmission loader.

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Modeling and Simulation Research of Coaxial Parallel Hybrid Loader

Cited by 13 publications

References 1 publication

Trends and Hybridization Factor for Heavy-Duty Working Vehicles

Trends and Hybridization Factor for Heavy-Duty Working Vehicles

A mutual authentication protocol for low-cost RFID tags formally verified using CasperFDR and AVISPA

Loader power-split transmission system based on a planetary gear set

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