APPLICATION OF A DAMPED SPRING-MASS HUMAN VIBRATION SIMULATOR IN VIBRATION TESTING OF VEHICLE SEATS

THERE IS A NEED FOR STANDARDIZED METHODS FOR TESTING VEHICLE SEATS. AT THE PRESENT TIME STANDARDIZED TESTING PROCEDURES ARE NOT POSSIBLE BECAUSE THE DYNAMIC CHARACTERISTICS OF THE HUMAN SUBJECTS OCCUPYING THE SEAT DURING TESTING VARY WIDELY FROM MAN TO MAN AND AFFECT THE SEAT RESPONSE. TESTING WITH DEAD WEIGHT LOADING DOES NOT ACCURATELY PORTRAY THE DYNAMIC CHARACTERISTICS OF THE SEAT. A DAMPED SPRING-MASS SYSTEM CLOSELY APPROXIMATING THE DYNAMIC CHARACTERISTICS OF A SEATED MAN TO VERTICAL MODES OF VIBRATION HAS BEEN DEVELOPED AS THE BASIS ON WHICH A STANDARIZED VEHICLE SEAT TESTING PROCEDURE CAN BE BUILT. ANALYSIS OF THE PROBLEM BY MEANS OF MECHANICAL IMPEDANCE TECHNIQUES INDICATED THAT A TWO-DEGREE-OF-FREEDOM SYSTEM WAS SUFFICIENT TO SIMULATE THE MAJOR DYNAMIC CHARACTERISTICS OF MAN IN THE FREQUENCIES BELOW 10 HZ WHERE SEAT VIBRATION IS MOST SEVERE. TEST PROCEDURES HAVE BEEN DEVELOPED WHICH UTILIZE THE MAN-SIMULATOR AS THE SEAT LOAD. /AUTHOR/

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00140139
• Supplemental Notes:
  • Vol 12, No 11, PP 79-90
• Authors:
  • SUGGS, C W
  • Abrams, C F
  • Stikeleather, L F
• Publication Date: 1969-1

Media Info

• Serial:
  • Ergonomics
  • Publisher: Taylor & Francis
  • ISSN: 0014-0139
  • EISSN: 1366-5847
  • Serial URL: http://www.tandfonline.com/loi/terg20

Subject/Index Terms

• TRT Terms: Dampers; Dynamics; Electrical impedance; Human beings; Mechanical impedance; Motor vehicles; Seats; Simulation; Springs (Vehicles); Test procedures; Testing; Vibration
• Uncontrolled Terms: Dynamic characteristics
• Subject Areas: Highways; Safety and Human Factors;

Filing Info

• Accession Number: 00223000
• Record Type: Publication
• Files: TRIS
• Created Date: Jul 14 1994 12:00AM