b'Automotive & Transportation | Engineer Innovationpass-by noise software uses a globalrolling resistance. NATRAXs facilitiesThe analysis positioning system (GPS) sensor toshall offer both the vehicle and tire measure vehicle speed. All data isindustries a one-stop solution for all of recorded with GPS-based absolute timetheir noise, vibration, and harshnesscapabilities of stamping for later synchronization.(NVH) benchmarking and testing needs. Multiple sets of microphones areNATRAXs pass-by noise testing facilitiesSimcenter connected to a track-based Simcentersupport this with the UNECE Regulation SCADAS system. After each117 tire noise testing standard.measurement, data from the vehicleTestlab and track systems are merged using GPSNATRAXs ambition goes beyond absolute time stamping and are directlyoffering state-of-the-art reliable servicesoftware processed into results and an overviewand facilities for vehicle and part report for the driver. Thanks to thehomologation, says Dr. Karuppaiah. multiple pairs of microphones,The analysis capabilities of Simcenterbrings deeper Simcenter Testlab software canTestlab software brings deeper automatically select the one at whichengineering insights into the NVHengineering the speed is closest to the target centerbehaviour of vehicles. Advanced transfer speed. This helps obtain repeatablepath analysis techniques such as results and greatly increases the successacoustic source quantification allowinsights into rate of a test. engineers to identify, quantify and rank Beyond homologation the contributions of separatethe NVH subsystems, such as intake, powertrain, Fast and accurate homologation resultsexhaust, tailpipe and tires, to the overallbehavior of are not the only outcome of vehiclepass-by noise level. Those techniques acoustics tests at NATRAX. Whileare efficient troubleshooting tools for powertrain noise remains the mainnoise reduction; they are also employedvehicles. contributor to the overall exterior noisefor precise target setting early in the level of internal combustion enginedesign process. Sagar Bendre vehicles, noise abatement effortsProject Engineerincreasingly focus on reducing tireWith our facility, equipment andNATRAX noise. expertise, we are confident that we offer the industry the toolset it needs to New requirements have been set by themake the world a quieter place. nIndian government concerning tire rolling noise levels, tire wet grip and 81'