Mechanical Failure Mode Causes of In-Wheel Motors

Biček, Matej; Gotovac, Gorazd; Miljavec, Damijan; Zupan, Samo

doi:10.5545/sv-jme.2014.2022

Cited by 24 publications

(17 citation statements)

References 42 publications

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“…AWD configurations provide better traction control and avoids slipping. Torque vectoring can be used for better cornering performance [62,[67][68][69]. AWD architecture systems with in-wheel motor systems can be utilized in cars like Nissan IMX as shown in Figure 4b providing an efficient driving performance.…”

Section: Pure Electric Vehicle Architecturementioning

confidence: 99%

Status of Pure Electric Vehicle Power Train Technology and Future Prospects

Karki

Phuyal

Tuladhar

et al. 2020

ASI

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Electric vehicles (EV) are becoming more common mobility in the transportation sector in recent times. The dependence on oil as the source of energy for passenger vehicles has economic and political implications, and the crisis will take over as the oil reserves of the world diminish. As concerns of oil depletion and security of the oil supply remain as severe as ever, and faced with the consequences of climate change due to greenhouse gas emissions from the tail pipes of vehicles, the world today is increasingly looking at alternatives to traditional road transport technologies. EVs are seen as a promising green technology which could lead to the decarbonization of the passenger vehicle fleet and to independence from oil. There are possibilities of immense environmental benefits as well, as EVs have zero tail pipe emission and therefore are capable of curbing the pollution problems created by vehicle emission in an efficient way so they can extensively reduce the greenhouse gas emissions produced by the transportation sector as pure electric vehicles are the only vehicles with zero-emission potential. However, there are some major barriers for EVs to overcome before totally replacing ICE vehicles in the transportation sector and obtain appreciable market penetration. This review evaluates the technological aspects of the different power train systems of BEV technology and highlights those technological areas where important progress is expected by focusing on reviewing all the useful information and data available on EV architecture, electrical machines, optimization techniques, and its possibilities of future developments as green mobility. The challenges of different electric drive trains’ commercialization are discussed. The major objective is to provide an overall view of the current pure electric vehicle powertrain technology and possibilities of future green vehicle development to assist in future research in this sector.

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Section: Pure Electric Vehicle Architecturementioning

confidence: 99%

Status of Pure Electric Vehicle Power Train Technology and Future Prospects

Karki

Phuyal

Tuladhar

et al. 2020

ASI

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“…This station was constructed based on a serial balancing machine for vehicle wheels. The identification of wheel rim modal parameters involves analysing the vibration signal recorded by the measuring sensors (4) situated on the shaft keeps frame (2). The measuring process begins with mounting a tested wheel rim (1) on the centring holder and fixing it with the pressure nut (3), similarly to the case of wheel mounting on a wheel balancing machine.…”

Section: Diagnostic Station and Equipmentmentioning

confidence: 99%

“…Furthermore, wheel spins (applying motor power allowance in relation to the wheel grip), driving over the edges of hard objects (kerbs, ruts, faults), off-road driving and the operation of vehicles at their maximum speed and load (the phenomena of bodywork movement dynamics) should all be considered, as all of this translates into additional forces acting on the wheel rim. When a vehicle moves in this way, the wheel rims often reach temperature levels that are uncommon for standard operational conditions since they contribute to dissipating heat generated during braking (frictional parts of the braking unit) and for electric drive vehiclesalso from cooling of the drive system situated inside the wheel rim [2], which is very challenging for the wheel rims of such wheels. These constant cycles of changes, from environmental temperature, dynamics of longitudinal and crosssectional loads to operational conditions and the goal of reducing the mass of wheel rims, may accelerate and limit the life durability of a wheel rim.…”

Section: Introductionmentioning

confidence: 99%

Wheel rim state assessment using modal and geometrical parameters

Rychlik

2018

MATEC Web Conf.

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This paper presents the concept of a non-invasive method for assessing the wheel rim state to determine its technical status. The research procedure includes an analysis of the wheel rim frequency spectrum in a trial at a diagnostic station, which involves applying vibration forces with specific parameters on the wheel rim. The distribution of the wheel rim’s natural frequencies in rotation angle and unbalanced value with its positioning and radial run-out and axial run-out for the wheel rim bead in relation to the wheel disc centring hole on the internal and external wheel rim surfaces, are established based on the analysis and calculations. These parameters also serve to determine the condition of joints (fusion-welded, pressure-welded, etc.) and to identify the cracks or loss of integrity in the wheel rim structure. This method can be applied for tests of both new wheel rims during the quality control and used rims used for passenger cars, special vehicles and slow-running vehicles.

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“…The main parameters of the machine are given in Table 1. The stator core of the IPMSM used in the in-wheel motor system may deform because of the impacting loads from the excitations of different road surfaces [23][24][25]. The relationship between the magnitude of the deformation and the impacting loads will be discussed in the further investigations.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Vibrations in Interior Permanent Magnet Synchronous Motors Considering Air-Gap Deformation

Chai

Song

et al. 2017

Energies

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This paper studies the non-uniform air-gap caused by stator and rotor deformations, together with its effects on the spatial and temporal spectrum of the radial magnetic force density in an interior permanent magnet synchronous motor (IPMSM). According to the mathematical model of the deformed air-gap length, the superposition method is adopted to derive the air-gap permeance. Then, the formulas of the magnetic flux field and radial force density of the IPMSM considering air-gap deformation are obtained. Considering the stator oval deformation and the rotor centrifugal distortion in the electromagnetic finite element models (FEMs), the finite element analysis (FEA) and experiments of the investigated IPMSM are carried out to verify the results obtained by the theoretical analysis at different operations. Finally, the mathematical correlation between air-gap deformation and electromagnetic vibration is obtained. The result is helpful in solving problems of mutual influence between electromagnetic and mechanical characteristics during the optimization design of IPMSM.

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Mechanical Failure Mode Causes of In-Wheel Motors

Cited by 24 publications

References 42 publications

Status of Pure Electric Vehicle Power Train Technology and Future Prospects

Status of Pure Electric Vehicle Power Train Technology and Future Prospects

Wheel rim state assessment using modal and geometrical parameters

Analysis of Vibrations in Interior Permanent Magnet Synchronous Motors Considering Air-Gap Deformation

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