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Performance of the project of vehicle noise type approval, conformity of product and vehicle noise control

Absrtact
The purpose of this project is to assist EPA in dealing with the tasks of vehicle noise control and to study vehicle noise control regulations worldwide for regulations revision in R.O.C. There are three major parts:(1)Granting certification, conformity of product and statistic of vehicle noise test result,(2)Review current vehicle noise control regulations and suggest improvement proposal, and (3)Survey the new UN/ECE regulations development for the further harmonization of vehicle noise regulatons. During 2008(Jan. to Dec.), we granted 750 vehicle type approval certifications, performed 307 vehicle noise tests for conformity of product. Also publish the vehicle certification database during 2007 and continue to update the certification database in the website of ARTC. To Boost the task of in-use vehicle noise control for every EPB of cities or counties in Taiwan. We help some local EPB members to perform the in-use vehicle noise tests. During 2008, we attend the road-side check for 13 times, and finish 123 test cases. Total 528 test cases have been finished during this year, include 204 NG cases. Comapre to the last year, there increase 1 EPB sites who had practical done this check, and the test location tend to perform in the urban major roads. While studying the development of UN/ECE new test regulations, we held a technical conference to share the experience in new test method, and remind domastic industry for early preparing. Other achievements and suggestion include: (1)To convene a technical interaction meeting between the two appointed vehicle noise test Labs. And communicate the technique issue with government manager to identify the processing principle. (2)Holding the “in-use vehicle noise control symposium”. Assist to improve the test skill and practical experience of EPB members. (3)We develop a program to transform and upload the certification document to the approval database. Through which we can coordinate the task of E-stamping process and improve the efficiency of document processing, (4)For the in-use vehicle noise check in urban roadsides, the higher background noise will affect the results and so lead to some query from civil. We study the influence at 6 different locations and conclude that the limit value should be consider escipally if one like to do the roadside check in busy urban roadsides.
Keyword
Type approval of vehicle noise,In-use vehicle noise control,Harmonization of regulations
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