Criteria for the NVH Development  of Electric Drive Units

Ulz, Alexander; Graf, Bernhard; Priestner, Christoph; Mehrgou, Mehdi

doi:10.1007/s38311-021-0684-8

Cited by 2 publications

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“…The development of battery electric vehicles has come to the fore, mainly due to legislation and clean mobility trends. Although the complexity of electric drives is lower than the complexity of drives powered by conventional internal combustion engines, the demands placed on NVH are in fact increasing [1]. There are two main factors:…”

Section: Introductionmentioning

confidence: 99%

“…• the current level of expertise in the development of noise, vibration and hardness for electric vehicles is not yet as well established as in the case of conventional cars [1] The setting of NVH objectives and the ongoing evaluation of these objectives during the development process are based on various subjective and objective criteria. In conventional vehicles, engine noise is the dominant element of interior noise, especially at lower speeds.…”

Section: Introductionmentioning

confidence: 99%

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Comparison of FEM Simulations of Rubber-Metal Mount Element

Bucha

Danko

Milesich

et al. 2022

Strojnícky Časopis - Journal of Mechanical Engineering

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Increasing of electric vehicles volume brings new challenges in NVH (noise, vibration and harshness) area. Presented paper deals with comparison of simulations of rubber-metal motor mount using finite element method. For the future work it is important to define static characteristics of rubber-metal mounts. It leads to study possibilities of simulations of rubber-metal mount in different software environment. Preparing of computational models are realized in MSC Marc and MSC Nastran. Results from simulations are compared to Abaqus simulation results.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparison of FEM Simulations of Rubber-Metal Mount Element

Bucha

Danko

Milesich

et al. 2022

Strojnícky Časopis - Journal of Mechanical Engineering

View full text Add to dashboard Cite

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Synergizing Efficiency and Silence: A Novel Approach to E-Machine Development

Mehrgou,

Garcia de Madinabeitia,

Ahmed

2024

SAE Technical Paper Series

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<div class="section abstract"><div class="htmlview paragraph">In recent years, the automotive industry has dedicated significant attention to the evolution of electric vehicles (EVs). The Electric-machine (as motor and generator, here and onward called E-machine as more general term) as the heart of the EDU (Electric Drive Unit) is very important component of powertrain and is the one of the main focuses of development. Traditionally, E-machine design has primarily focused on factors like efficiency, packaging, and cost, often neglecting the critical aspects of Noise, Vibration, and Harshness (NVH) specially at the early decision-making stages. This disconnect between E-machine design teams and NVH teams has consistently posed a challenge, which is the experience seen in many OEMs. This paper introduces an innovative workflow that unifies these previously separate domains, facilitating comprehensive optimization by integrating NVH considerations with other E-machine objectives, efficiency, weight, packaging and cost. This paper highlights AVL's approach in achieving this transformation and demonstrates how this integrated approach sets a new standard for E-machine design.</div><div class="htmlview paragraph">The presented novel approach, which is also patented, relies on AI-driven algorithms and computational tools. The important aspect of this methodology is that from the first step of E-machine design, NVH is included. This advanced methodology makes sure that with predictive modeling and advanced optimization, an optimal electric machine is developed for NVH without compromising on efficiency or costs.</div></div>

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Criteria for the NVH Development of Electric Drive Units

Cited by 2 publications

References 0 publications

Comparison of FEM Simulations of Rubber-Metal Mount Element

Comparison of FEM Simulations of Rubber-Metal Mount Element

Synergizing Efficiency and Silence: A Novel Approach to E-Machine Development

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