Electric vehicle powertrain and fuzzy controller optimization using a planar dynamics simulation based on a real-world driving cycle

Miranda, Matheus Henrique Rodrigues; Silva, Fabrício Lopes e; Lourenço, Maria Augusta de Menezes; Eckert, Jony Javorski; Silva, Ludmila C. A.

doi:10.1016/j.energy.2021.121979

Cited by 37 publications

(21 citation statements)

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“…The numerical mesh of the bus geometry was 1.2 million cells and 900,000 cells for the radiator. The tetra cells were applied in accordance with modeling principles [13] as suitable for modeling complex geometries.…”

Section: Resultsmentioning

confidence: 99%

“…For optimization of the electric bus radiator design in terms of noise emissions and energy consumption, the Zawiślak's method was applied [13]. The method is presented graphically in Fig.…”

Section: The Research Methodsmentioning

confidence: 99%

“…2. Scheme of Zawiślak's method 'Design and modernisation of machines and flow systems using CFD software' [13] Based on the results of numerical simulation, a prototype was created. In the next steps, the prototype was tested under laboratory and field conditions in order to perform a two-stage validation of the results of CFD calculations.…”

Section: The Research Methodsmentioning

confidence: 99%

“…The system control method is also an important direction of BTMS development. The future in this area may be the process proposed by Miranda et al [13]. The authors of the paper, to face the future challenge of energy management of electric vehicles, propose a fuzzy logic control (FLC) strategy.…”

Section: Introductionmentioning

confidence: 99%

“…The authors of the paper, to face the future challenge of energy management of electric vehicles, propose a fuzzy logic control (FLC) strategy. The solution is applied to perform the power split among the electric motors to improve vehicle energy efficiency and dynamic performance under real driving conditions [13].…”

Section: Introductionmentioning

confidence: 99%

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Optimization of the electric bus radiator design in terms of noise emissions and energy consumption by computational fluid dynamics

Janicka¹,

Zawiślak²,

Głogoza³

et al. 2022

Combustion Engines

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The paper presents the numerical optimization of an innovative radiator for use in electric buses in terms of energy consumption and noise emission. Computational fluid dynamics simulations were performed. The flow of the cooling medium was modeled using the RANS method. The two-equation k-ɛ turbulence model, the heat transfer model and the acoustic model were used. According to the research results, the separation of the air stream in individual fan sections con-tributes to the improvement of energy efficiency and reduces noise emissions. As a result of the simulation, it was found that the best solution in terms of noise emission as well as the occurring flow phenomena caused about a 2 dB decrease of maximum values of the noise level and allowed the equalization of the cooling medium velocity (prevailing velocity range between 4 and 9 m/s). The results of the simulations were verified under laboratory and field conditions, showing a very good convergence of the model with the results of the experiments (i.e. the maximum noise level was estimated at 57 dB, under measurement conditions for the same operating point at 59 dB) while maintaining the baseline energy demand, which indicates a new approach in the method of shaping internal elements of electric vehicle coolers.

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Section: Resultsmentioning

confidence: 99%

Section: The Research Methodsmentioning

confidence: 99%

Section: The Research Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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