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| Content | REPORT DOCUMENTATION PAGE Form Approved OMB No. 0704-0188 The public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources,gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection ofinformation, including suggestions for reducing this burden, to Department of Defense, Washington Headquarters Services, Directorate for information on Operations and Reports (0704-0188), 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject toany penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number.PLEASE DO NOT RETURN YOUR FORM TO THE ABOVE ADDRESS. 1. REPORT DATE (DD-MM-YYYY) 2. REPORT TYPE 3. DATES COVERED (From -To)7 January 2005 FINAL 4. TITLE AND SUBTITLE 5a. CONTRACT NUMBER Test Operations Procedure (TOP) 5b. GRANT NUMBER 1-1-014 Ride Dynamics 5c. PROGRAM ELEMENT NUMBER 6. AUTHORS 5d. PROJECT NUMBER 5e. TASK NUMBER 5f. WORK UNIT NUMBER 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) 8. PERFORMING ORGANIZATIONAutomotive Core (CSTE-DTC-AT-WC-F) REPORT NUMBER US Army Aberdeen Test Center TOP 1-1-014 400 Colleran Road Aberdeen Proving Ground, MD 21005-5059 9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES) 10. SPONSOR/MONITOR S ACRONYM(S)Technology Management Division (CSTE-DTC-TT-M) US Army Development Test Command 314 Longs Corner Road 11. SPONSOR/MONITOR S REPORT Aberdeen Proving Ground, MD 21005-5055 NUMBER(S)Same as item 8 12. DISTRIBUTION/AVAILABILITY STATEMENT Approved for public release, distribution unlimited. 13. SUPPLEMENTARY NOTES Defense Technical Information Center (DTIC), AD No.: ADA431130 14. ABSTRACTThis TOP describes methods for evaluating the ride dynamics or ride quality of ground vehicles. Ride dynamics pertains to the sensation or feel of the passengers in the environment of a moving vehicle. The technique for evaluating the ridedynamics involves the use of instrumented seats or ride quality pads which contain accelerometers molded in a rubber disk to provide measurements in three mutually perpendicular axes. The instrumented seats are occupied by the normalvehicle crew. Ride dynamics data is acquired while the vehicle traverses various test courses at pre-determined speeds. The data is then processed by performing Fourier transformations and creating power spectral density (PSD) files for the individual test runs 15. SUBJECT TERMS Absorbed Power ISO 2631-1: 1997Power Spectral Density Ride Dynamics 16. SECURITY CLASSIFICATION OF: 17. LIMITATION OF 18. NUMBER 19a. NAME OF RESPONSIBLE PERSON a. REPORT B. ABSTRACT C. THIS PAGE ABSTRACT OFPAGES _________________ __Uncl Uncl UncI SAR 24 19b. TELEPHONE NUMBER (include area code) Standard Form 298 (Rev. 8-98)Prescribed by ANSI Std. Z39-18 __ 0~OO isC®k\1 \% Downloaded from http://www.everyspec.com on 2012-02-02T17:15:53. |
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