GLOBAL EV SOUND ABSORBING MARKET

 

 INTRODUCTION

Ancillary noises make driving unpleasant and interfere with the acoustics produced by sound systems or haptic feedback, the need for various insulation materials, including as foams, fibres, and rubber pads, is on the rise because of the expanding applications for insulation in electric vehicles.

 

To achieve a silent ride, EVs will also require new kinds of sound absorption and sound dampening equipment. This difficulty is causing suppliers and automakers to think about utilising a range of innovations that go beyond conventional foams.

 

GLOBAL EV SOUND ABSORBING MARKET DEVELOPMENTS AND INNOVATIONS

High-frequency tone noises produced by these motors can be quite unpleasant. The engine’s many parts, including the inverter and DC/DC converter, are the source of the noises.

 

Although developing techniques for the mechanical and acoustic isolation of the motor still involves significant effort, electric motors pose less of a hurdle than IC engines. Many people are now engaged in this project.

 

With the proliferation of electric car types, noise and vibration abatement is becoming an increasingly urgent concern.

 

Automotive OEMs are under intense pressure to discover the best acoustic treatments and investigate new sustainable materials as soon as feasible due to the accelerated development of electric vehicles.

 

COMPETITIVE LANDSCAPE

The rise of EVs has forced the automotive industry into a dilemma centred on the concomitant problems of weight and noise. Unwanted vehicle noise has been a problem for automotive engineers for decades.

 

They concentrate on a variety of powertrain noises and vibrations as well as background traffic noise from other cars on the road. With electric vehicles, NVH (noise, vibration, and harshness) reduction becomes even more difficult.

 

Even small noises are now more audible than ever because to rising levels of electricity. 

 

Continental is a leading mobiliser of the equipment in the market. The latest integration has been for practically silent electric vehicles, the AVAS system produces sound to increase the safety of vulnerable road users (VRU), such as children, cyclists, and pedestrians.

 

All new vehicles must be electrical in several countries. Actuators or loudspeakers vibrating the car’s structural components in relation to driving conditions like speed, gas pedal position, and gear produce the artificial vehicle sounds.

 

3M is part of the component manufacture trending companies in the current industry. With the 3M Flexile Acoustic Material, both airborne and structural noise may be treated in a single layer thanks to the synergy between acoustic particles and a micro-fibrous structure.

 

We keep enhancing sound insulation and absorption almost everywhere on the car, including engine-side and other high-temperature applications, under our Thinsulate trademark. The absorber and barrier capabilities of the dissipative material are combined in a single layer.

 

COMPANIES PROFILED

• Continental ES
• 3M
• Alfa Acoustics
• Adler Pelzer Holding GmbH
• Armacell International S.A.
• Autoneum
• CYG TEFA Co., Ltd
• Halco USA
• INOAC Corporation, Janesville Acoustics