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Taguchi's Robust Design Principles and Automotive NVH
For all NVH engineers, the main goal is to optimize the vehicle design for the best possible sound quality and the least vibrations...
May 26, 20243 min read


Some mechanical Vibrations are in deed good !
NVH Engineers are all the time interested in killing mechanical vibrations of vehicle-components or systems since they cause human...
May 5, 20242 min read


AI/ML applications needed for Automotive NVH refinement
Various scientific tools such as transfer path analysis, sound quality definitions, Jury evaluation, driving simulators, etc. have been...
Apr 28, 20242 min read


TRIZ Innovative Solutions to be explored for NVH refinement of Vehicles
There are always technical contradictions faced by a Vehicle Integration Team while attempting NVH refinements! Softer engine...
Apr 22, 20242 min read


Pugh's Decision Matrix for Vehicle NVH Sign-off
Making scientific efforts for Vehicle NVH Refinement under different customer driving operating conditions is on one side and...
Apr 14, 20242 min read
![Tuned Mass Dampers [TMDs] may be needed for Electric Vehicles for their Best NVH](https://static.wixstatic.com/media/6f7bc5_b4dbda23bc8b47799459f1d969fecdb6~mv2.png/v1/fill/w_333,h_250,fp_0.50_0.50,q_35,blur_30,enc_avif,quality_auto/6f7bc5_b4dbda23bc8b47799459f1d969fecdb6~mv2.webp)
![Tuned Mass Dampers [TMDs] may be needed for Electric Vehicles for their Best NVH](https://static.wixstatic.com/media/6f7bc5_b4dbda23bc8b47799459f1d969fecdb6~mv2.png/v1/fill/w_292,h_219,fp_0.50_0.50,q_95,enc_avif,quality_auto/6f7bc5_b4dbda23bc8b47799459f1d969fecdb6~mv2.webp)
Tuned Mass Dampers [TMDs] may be needed for Electric Vehicles for their Best NVH
In a recent Taiwan Earthquake of a 7.4-magnitude, people inside the island’s tallest skyscraper, Taipei 101, were protected by a TMD!...
Apr 7, 20242 min read


Vibrations Isolation Efficiency Targets for Power-train Mounts
While cascading Vehicle-level NVH performance targets to those of its subsystems and components, it is not an easy task to sign-off these...
Mar 31, 20243 min read


Emotions with sound of Electric Racing Cars
A Link to Team-BHP news, dated 23rd March 2024, on Electric Ferrari cars was in line with a modern trend of Active Sound Design. CEO,...
Mar 25, 20242 min read


Autonomous Cars will demand higher levels of NVH refinements
NVH-Expectations from the driver-less cars will be on higher side due to reduced human intervention with the vehicle operation; people...
Mar 18, 20242 min read


Will AVAS for EVs be effective in India ?
As Electric Vehicles [EVs] are known for very quiet while starting and till they reach 20 km/hr either in forward or reverse mode of...
Mar 11, 20242 min read


EV -high voltage battery -- is Vibration Isolation needed?
A high voltage (HV) battery is integrated rigidly on the chassis or body in almost all EVs. This makes the floor of the Body massive and...
Mar 6, 20242 min read


Technology challenges for New Vehicle Noise Regulations
Current Pass By Noise (PBN) limits of both passenger and commercial vehicles are proposed to be reduced in India, in a phase-wise...
Feb 26, 20241 min read


Active "Vibration Design" for EVs
Till today, we have heard of Active Sound Design inside the car’s cabin (apart from ANC= active noise cancellation) …. but never thought...
Jan 4, 20241 min read


Audio System for passenger cars: from NVH point of view
There were interesting View-Poll results presented by Team -BHP on 4th Oct. 2023 Is spending for high end audio worth it? Out of 150...
Dec 27, 20232 min read


Relevance of component level validation from Vehicle NVH point of view
Often, with an objecitve of performance cascading from vehicle level NVH, its components or subsystems are tested in an idealistic way or...
Dec 17, 20232 min read


Influence of a Hydra-mount on overall Vehicle-NVH
Since 3 decades, special hydraulic engine-mounts are in market for luxurious passenger cars as a part of passive vibration control. They...
Dec 11, 20232 min read


Vibration Damping on Body-panels needs in-depth analysis of vehicle NVH
Theory need be checked every time while applying automotive NVH solutions. Whatever damping treatment is provided to thin structural...
Dec 5, 20232 min read


Actively Cancel or Design Sound inside the Vehicle
Two major techniques in Automotive world have been famous over last 2 decades : ANC (acoustic noise cancellation) and ASD (acoustic...
Nov 26, 20231 min read


Vibrations speak language of Machines
"Smart" Maintenance of Assets thru' vibration monitoring is a need of time for safety, productivity and effectiveness of large scale...
Nov 19, 20232 min read


Six Sigma Quality of NVH refinements of vehicles
Six Sigma quality is a well-known concept in all areas of engineering. How far is it revealed for production passenger cars and...
Nov 3, 20231 min read
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