Hybridization Factor and Performance of Hybrid Electric Telehandler Vehicle

Somà, Aurelio; Bruzzese, F.; Mocera, Francesco; Viglietti, Ezio

doi:10.1109/tia.2016.2595504

Cited by 41 publications

(25 citation statements)

References 15 publications

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“…C is the lithium concentration field within the particle. The total strain is expressed as the sum of elastic strain and chemical strain [11], so the constitutive equations are expressed in spherical coordinates in Equations (2) and 3.…”

Section: Mechanical Problemmentioning

confidence: 99%

“…Lithium-ion batteries are actually one of the most widespread rechargeable energy-storage systems [1]. They have a large field of application from small electronic systems up to electric vehicles in automotive and industrial applications [2,3]. Indeed, they can span a great capacity and power range with a good energy density and long lifetime.…”

Section: Introductionmentioning

confidence: 99%

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Analytical Solution for Coupled Diffusion Induced Stress Model for Lithium-Ion Battery

2020

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Electric cycling is one of the major damage sources in lithium-ion batteries and extensive work has been produced to understand and to slow down this phenomenon. The damage is related to the insertion and extraction of lithium ions in the active material. These processes cause mechanical stresses which in turn generate crack propagation, material loss and pulverization of the active material. In this work, the principles of diffusion induced stress theory are applied to predict concentration and stress field in the active material particles. Coupled and uncoupled models are derived, depending on whether the effect of hydrostatic stress on concentration is considered or neglected. The analytical solution of the coupled model is proposed in this work, in addition to the analytical solution of the uncoupled model already described in the literature. The analytical solution is a faster and simpler way to deal with the problem which otherwise should be solved in a numerical way with finite difference method or a finite element model. The results of the coupled and uncoupled models for three different state of charge levels are compared assuming the physical parameters of anode and cathode active material. Finally, the effects of tensile and compressive stress are analysed.

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Section: Mechanical Problemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Analytical Solution for Coupled Diffusion Induced Stress Model for Lithium-Ion Battery

2020

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“…Table 4 shows the hybridization factors for work machines, calculated by using Eq. (4) [22] and considering the effect of a hybrid electric driveline and hybrid electric loading/working functions.…”

Section: Hybrid Electric Vehicles 20mentioning

confidence: 99%

“…The machines are then schematically described and compared, showing the hybrid architectures of the proposed solutions. Finally, the introduction of a specific hybridization factor is proposed as a first classification of the main hybrid work vehicles [21,22].…”

Section: Introductionmentioning

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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“…The automotive field [1], and, more recently, the working machinery field too [2], are continuously involved in new studies and technological proposals. In the latter, lots of attention must be put on the architecture design depending on the power requirements of the specific application [3].…”

Section: Introductionmentioning

confidence: 99%

Battery Modelling and Simulation Using a Programmable Testing Equipment

2018

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Abstract:In this paper, the study and modelling of a lithium-ion battery cell is presented. To test the considered cell, a battery testing system was built using two programmable power units: an electronic load and a power supply. To communicate with them, a software/hardware interface was implemented within the National Instruments (NI) LabVIEW environment. This dedicated laboratory equipment can be used to apply charging/discharging cycles according to user defined load profiles. The battery modelling and the parameters identification procedure are described. The model was used to estimate the State Of Charge (SOC) under dynamic loading conditions. The most spread techniques used in the field of battery modelling and SOC estimation are implemented and compared.

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Hybridization Factor and Performance of Hybrid Electric Telehandler Vehicle

Cited by 41 publications

References 15 publications

Analytical Solution for Coupled Diffusion Induced Stress Model for Lithium-Ion Battery

Analytical Solution for Coupled Diffusion Induced Stress Model for Lithium-Ion Battery

Trends and Hybridization Factor for Heavy-Duty Working Vehicles

Battery Modelling and Simulation Using a Programmable Testing Equipment

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