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Fail-safe ride simulator

  • US 5,931,739 A
  • Filed: 12/27/1993
  • Issued: 08/03/1999
  • Est. Priority Date: 12/27/1993
  • Status: Expired due to Term
First Claim
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1. A ride simulator, comprising:

  • a base;

    a platform mounted for movement relative to said base;

    an actuation mechanism operatively arranged between said platform and base, said actuation mechanism including a plurality of electro-mechanical servoactuators acting between said platform and said base for selectively causing relative movement therebetween; and

    fail-safe means operatively arranged to continuously monitor the condition of said actuation mechanism and to cause said platform to move automatically toward a predetermined position relative to said base in the event of any unsafe and uncontrolled condition of said actuation mechanism resulting in (a) exceeding a predetermined disparity between commanded and actual positions, (b) exceeding a predetermined range of travel, (c) applying a command that exceeds a permissible range of travel, or (d) applying a command rate that exceeds predetermined limits.

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