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SIZING THE MOTION BASE OF THE NATIONAL ADVANCED DRIVING SIMULATOR. FINAL REPORT

The National Advanced Driving Simulator (NADS) will move the simulator's cab so that realistic motion cues are provided to the simulator's driver. It is necessary to determine the motion base capabilities that the NADS will need to simulate different severities and types of driving maneuvers with adequate simulated motion fidelity. The objectives of this study were (1) to develop tools, based on existing vehicle dynamics simulations, simulator washout algorithms, and human perceptual models, that allow needed motion base capabilities to be determined and (2) to use these tools to perform analyses that determine the motion base capabilities needed by the NADS. Ideally, NADS will be able to simulate motions with sustained accelerations of up to 0.8 g with a scale factor (a multiplicative factor applied to all accelerations and rotations) of at least 0.50. Meeting this specification for the washout algorithm studied and the motion fidelity requirements used requires a motion base that has +/- 120 ft of X-Y Carriage travel. Building a motion base of this size will be an engineering challenge. It may be acceptable to use a scale factor as low as 0.375 with the NADS. Using the lower scale factor drops the required X-Y Carriage travel to +/- 45 ft. This study also found that a limited (as compared to continuous or unlimited) rotation Yaw Turntable may well be adequate for the NADS.

Language

  • English

Media Info

  • Features: Appendices; Figures; References; Tables;
  • Pagination: 222 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00719477
  • Record Type: Publication
  • Source Agency: National Highway Traffic Safety Administration
  • Report/Paper Numbers: HS-807 979, VRTC-82-0210
  • Files: HSL, TRIS, USDOT
  • Created Date: Mar 25 1996 12:00AM