Automotive Noise Testing

Automotive Noise Testing Laboratory is dedicated for noise regulation test and NVH quality improvement. We have lots of capabilities in noise & vibration measurements and analysis, provide technical service either in accordance with international test standards or by customized procedures. For NVH quality improvement, we have plenty experiences in root cause and modification study. Besides, we can develop customized instruments to help customers setup their special R&D capabilities and get over with product optimization.

Contact
Name： Lin-Yi-Lung、Liu-Jen-Hon
TEL：ext.2450、2438
E-mail：yl.lin @artc.org.tw、jenhon@artc.org.tw

Certification & Accreditation

TAF(Accreditation Number:0892), Taiwan EPA, RDW, TÜV NORD, TÜV SÜD

Services Facilities Videos Photograph Download

Services

Products NVH system/ sub-system/ component level definition

NVH benchmarking
Quantification Target definition

Products NVH validation, troubleshooting, and refinement Structural/ Acoustic modal testing

Noise level/ Sound source positioning/ Buzz, squeak and rattle diagnosis/ Vibration problem diagnosis
Vibration and noise transfer paths analysis
Vibration/ acoustic simulation and verification with FEM/ BEM
Normal incidence sound absorption coefficient measurement
Sound-insulation materials/ mufflers transmission loss and noise reduction measurement
Products sound quality tuning and develop

Products NVH regulation/ standard examination

CNS5799 regulation vehicle pass-by noise examination
UNECE R117 standard tire coast-by noise testing
UNECE/ ISO regulation vehicle pass-by noise examination
Minimum Sound Requirements for Hybrid and Electric Vehicles
Audible warning devices
ISO/ JASO/CNS standard single tire noise measurement
Buzz, Squeak and Rattle measurement
Large and small scale panel audible noise measurement
Sound power measurement
NVH testing module and equipment customization
Other NVH standard testing

NVH technique training and guidance

NVH fundamental theory/ testing training
Experimental modal analysis

Ability

TAF：UN ECE R117
EPA：CNS 5799、R51-03
MOTC：MOTC-Vehicle Safety Testing Directions 80、21-1、FMVSS 141
UN ECE： R9、R28、R41、R51、R63、R117、R138
C.F.R PART 205
SAE J994
97/24/EC muffler durability test
Others(97/24/EC)

Facilities

Vehicle semi-anechoic chamber

Background noise	＜ 20dB(A)
Cutoff frequency	125Hz
Sound insulation properties	<65dB(A)
Volume	12m(L)×7m(W)×5m(H)
Motorcycle chassis dynamometer	Absorption power(50kW)
Vehicle Chassis dynamometer	Absorption power(150kW)

Vehicle electroacoustic semi-anechoic chamber

Background noise	＜ 20dB(A)
Cutoff frequency	125Hz
Sound insulation properties	<50dB(A)
Volume	6m(L) × 7m(W) × 5m(H)
Weight limit of test piece for shaker	<90kg
Frequency limit for shaker	<2kHz
Specimen size limit for shaking table	<1500mm