scholarly journals Electric vehicles diffusion: changing pavement acoustic design?

Noise Mapping ◽  
2021 ◽  
Vol 8 (1) ◽  
pp. 281-294
Author(s):  
Filippo Giammaria Praticò ◽  
Rosario Fedele
Keyword(s):  
Internal Combustion Engine ◽  
Electric Vehicles ◽  
High Frequency ◽  
Combustion Engine ◽  
Urban Ecosystem ◽  
Low Noise ◽  
Acoustic Design ◽  
Road Pavement ◽  
Alerting System ◽  
Noise Vibration

Abstract Electric vehicles (EVs) are progressively entering into the current noisy urban ecosystem. Even though EVs are apparently quieter than traditional Internal Combustion Engine Vehicles (ICEVs), they have an impact on noise maps and road pavement designers should take this into consideration when designing future low-noise road pavements. Consequently, the main objective of this study is to define what are the most important aspects that road pavement designers should take into account. For this reason, in this paper, the noise emitted by EVs was analysed, considering parameters (e.g., speed and frequency) and comparisons, in order to identify crucial characteristics. Results show that EV noise could call for the improvement of pavement acoustic design due to the Acoustic Vehicle Alerting System (AVAS), high-frequency peaks, and noise vibration harshness.

scholarly journals Low noise, vibration and harshness solutions for in-line three-cylinder range extender and hybrid electric vehicles

2019 ◽  
pp. 146808741985908
Author(s):  
Peter R Hooper
Keyword(s):  
Electric Vehicles ◽  
Combustion Engine ◽  
Lateral Force ◽  
Low Noise ◽  
Range Extender ◽  
Balance Shaft ◽  
Low Emission ◽  
Noise Vibration ◽  
Control Balance ◽  
Stroke Engine

Consideration of internal combustion engine formats suitable for hybrid or range extender electric vehicles usually focuses on selecting a power plant, which is as compact as possible to meet the demands and constraints of the installation. In-line three-cylinder engines often provide an attractive solution for such vehicles. This article presents a low emission two-stroke engine of in-line three-cylinder format and draws a comparison with an equivalent four-stroke engine. The particular focus of the analysis is on strategies for minimization of noise, vibration and harshness with significant reduction in piston lateral force compared with the four-stroke unit. The design also considers a balance shaft arrangement to further assist with noise, vibration and harshness reduction. The presented arrangement demonstrates an integrated induction control/balance shaft arrangement, which erodes the usual cost penalties typical of balance shaft consideration in three-cylinder engines.

Electric Vehicle Forecasting for China from 2011 to 2050 Based on Scenario Analysis

2011 ◽  
Vol 128-129 ◽  
pp. 846-849
Author(s):  
Shi Jun Fu ◽  
Yu Long Ren
Keyword(s):  
Climate Change ◽  
Internal Combustion Engine ◽  
Electric Vehicle ◽  
Growth Model ◽  
Electric Vehicles ◽  
Scenario Analysis ◽  
Combustion Engine ◽  
Growth Period ◽  
The Difference ◽  
New Industry

With climate change being growing concerns, the development of EV (Electric Vehicles) has taken on an accelerated pace. This paper is to forecast China’s EV stock from 2011 to 2050 based on the double species growth model. We elaborate two orbits according to two scenarios: with vehicle stock being 200 and 300 per thousand people at 2050. These orbits reveals that, China’s EVs development has a golden stage which will last 10 to 11 years; And before this booming stage, there is a slowly growth period which will last 7 to 8 years. Furthermore, under each scenario, the difference between EVs and ICEVs (Internal Combustion Engine Vehicles) stock at 2030 is 4.69% to 6.77%, which confirms that China’s ambitious EVs program may be realized if government sets strong policy supports on this new industry persistently.

Maneuver-Based Analysis of Starting-Systems and Starting-Strategies for the Internal Combustion Engine in Full Hybrid Electric Vehicles

2014 ◽  
Vol 4 (1) ◽  
pp. 58-66 ◽  
Author(s):  
Albert Albers ◽  
Kevin Matros ◽  
Matthias Behrendt ◽  
Johannes Henschel ◽  
Heidelinde Holzer ◽  
...  
Keyword(s):  
Internal Combustion Engine ◽  
Electric Vehicles ◽  
Hybrid Electric Vehicles ◽  
Combustion Engine ◽  
Internal Combustion ◽  
Hybrid Electric

scholarly journals Multidimensional assessment of passenger cars: Comparison of electric vehicles with internal combustion engine vehicles

Procedia CIRP ◽  
2020 ◽  
Vol 90 ◽  
pp. 291-296
Author(s):  
Dennis Wilken ◽  
Matthias Oswald ◽  
Patrick Draheim ◽  
Christian Pade ◽  
Urte Brand ◽  
...  
Keyword(s):  
Internal Combustion Engine ◽  
Electric Vehicles ◽  
Combustion Engine ◽  
Internal Combustion ◽  
Passenger Cars ◽  
Multidimensional Assessment

scholarly journals Control of Automotive Semi-Active MR Suspensions for In-Wheel Electric Vehicles

2020 ◽  
Vol 10 (13) ◽  
pp. 4522 ◽  
Author(s):  
Mauricio Anaya-Martinez ◽  
Jorge-de-J. Lozoya-Santos ◽  
L.C. Félix-Herrán ◽  
Juan-C. Tudon-Martinez ◽  
Ricardo-A. Ramirez-Mendoza ◽  
...  
Keyword(s):  
Internal Combustion Engine ◽  
Electric Vehicles ◽  
Combustion Engine ◽  
Control Strategies ◽  
Vertical Control ◽  
Suspension Systems ◽  
Full Vehicle ◽  
Active Suspension Systems ◽  
Resonance Frequencies ◽  
Suspension Performances

In this work, four different semi-active controllers for a quarter of vehicle and full vehicles are evaluated and compared when used in internal combustion engine (ICE) vehicles vs electric vehicles (EVs) with in-wheel motor configuration as a way to explore the use of semi-active suspension systems in this kind of EVs. First, the quarter of vehicle vertical dynamics is analyzed and then a full vehicle approach explores the effectiveness of the control strategies and the effects of the traction in the vertical Control performances. Aspects like the relation between traction and suspension performances, and the resonance frequencies are also discussed.

Low‐noise‐level internal combustion engine

1983 ◽  
Vol 73 (5) ◽  
pp. 1888-1889
Author(s):  
Fumiyuki Abe ◽  
Yoshimasa Hayashi ◽  
Akira Kimura
Keyword(s):  
Internal Combustion Engine ◽  
Noise Level ◽  
Combustion Engine ◽  
Internal Combustion ◽  
Low Noise
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