Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1991-12-11
1994-01-04
Mitchell, David M.
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
180140, B62D 506
Patent
active
052752518
ABSTRACT:
A hydraulic steering system having apparatus for compensating for steering angle error. On displacement of a steering handwheel, the steering handwheel angle, the steering motor angle and the steering handwheel speed are ascertained. The fluid flow between a steering control device and a steering motor is changed via auxiliary flow paths in dependence on the steering angle error. At every steering handwheel speed and every steering angle error, the change of the fluid flow is effected in dependence on the steering handwheel speed and the steering angle error. A multiplier multiplies the outputs of a difference-generating means and a differentiator together, the output of the multiplier being connected by way of a proportional element to a valve control device connected to pass signals to a valve arrangement which controls the auxiliary flow paths.
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Bender Vagn S.
Cornett Hans J.
Jepsen Aksel B.
Thomsen Svend E.
Danfoss A/S
Easton Wayne B.
Mitchell David M.
Zeender Florian
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