1 Scope
This standard specifies test methods for automotive ride comfort at pulse input running and random input running.
This standard is applicable to vehicles of Categories M and N.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 3730.1-2001 Motor Vehicles and Trailers — Types — Terms and Definitions
GB/T 4971 Terms and Definitions for Automotive Ride Comfort
GB/T 7031-2005 Mechanical Vibration — Road Surface Profiles — Reporting of Measured Data (ISO 8608:1995, IDT)
GB/T 12534-1990 Motor Vehicles — General Rules of Road Test Method
GB/T 13441.1-2007 Mechanical Vibration and Shock — Evaluation of Human Exposure to Whole-body Vibration — Part 1: General Requirements (ISO 2631-1:1997, IDT)
GB/T 15089-2001 Classification of Power-driven Vehicles and Trailers
3.1 Road
Test road shall be straight and even and longitudinal slope not greater than 1%; road surface shall be dry, and it's unevenness shall be uniform and no mutation; total length of cumulative test road shall not be less than the shortest required road length of test sample quantity, and both side of the road shall be provided with 30m to 50m steady speed section.
