Feasibility of Using Half Useful Life Mileage Accumulation for Motorcycle Certification Durability Tests in Taiwan

Paper #:
  • 2013-32-9055

Published:
  • 2013-10-15
Pages:
8
Abstract:
Since the exhaust emissions of an in-use motorcycle usually increases along its age, the Taiwan Environmental Protection Administration (TEPA) started to adopt useful life and deterioration factors requirements for the emission type approval certification in 1991.Considering the actual travel mileages for most motorcycles in Taiwan, it is necessary to extend the useful life period and mileage requirements for the future emission standards. This change of requirement will increase certification time and costs of new models for manufacturers.To evaluate the feasibility of shortening the accumulated useful life mileage for the regulatory durability test requirement; this study surveyed 105 sets of durability test results to explore the effects of deterioration factors on durability test result calculations. The analysis showed no significant difference between the full and half useful life mileage accumulation durability test results at a significant level of 0.05, and therefore it is viable to adopt the half useful life mileage accumulation for the durability certification tests.
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