×

Apparatus and method for autonomous vehicle navigation using path data

  • US 5,615,116 A
  • Filed: 05/01/1995
  • Issued: 03/25/1997
  • Est. Priority Date: 02/05/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. A system for navigating a vehicle along a predetermined route comprising:

  • means for storing route data representing the predetermined route, said route data including a plurality of contiguous path segments, each path segment connecting two nodes;

    means for storing path data for the predetermined route, said path data including postures of the vehicle along each path segment;

    means for retrieving from said route data storing means route data representing the predetermined route;

    means for retrieving from said path data storing means path data for said retrieved route data;

    means for generating a path from said retrieved path data, said path representing at least a portion of said predetermined route;

    means for associating vehicle commands with said path;

    means for executing said associated vehicle commands to cause the vehicle to follow said path;

    means for periodically calculating errors in following said path; and

    means, responsive to said calculated errors, for adjusting execution of said associated vehicle commands to reduce said calculated errors so that the vehicle tracks said path with a high degree of accuracy.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×