G - Physics – 05 – D
Patent
G - Physics
05
D
341/84
G05D 1/03 (2006.01) B62D 1/28 (2006.01) G05D 1/02 (2006.01)
Patent
CA 1121030
WIRE GUIDANCE METHOD AND APPARATUS Abstract of the Disclosure: A ground vehicle guidance system for following a current-carrying guidewire provides improved steering stability over a wide range of speeds and improved immunity to inductive field anoma- lies by computing vehicle heading and lateral displacement using sensor sig- nals themselves substantially insensitive to heading variations, with the sen- sor signals being processed to provide steering command signals having specified relationships to vehicle steering geometry, so that desired damping factors can be obtained for both forward and reverse travel. Improved vehi- cle speed-limiting and stopping circuits control truck operation in accordance with computed heading and lateral displacement deviations independently from each other. Steering systems are illustrated both for vehicles using steerable wheels and vehicles steered by differential drive wheel speed control. -1-
306286
Osler Hoskin & Harcourt Llp
Raymond Corporation (the)
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