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US 2022/0289271 A1Published application
Fly-By-Wire Steering System with Position Detector
AssigneeAtlis Motor Vehicles, Inc.
InventorsMark Hanchett, Kamal Wolly
Life of this patent
Estimating the term…
Abstract
A fly-by-wire steering system uses one or more magnets and one or more magnetic sensors to determine the position the rack of the steering system. The magnetic sensors provide a high-level signal when proximate to magnet. The signals from magnetic sensors provide an indication of the position of the rack. The sequence of changing values of the signals magnetic sensors provides an indication of the direction of travel of the rack. The signals may be used to calibrate a steering sensor and/or an actuator.
Claims18
A fly-by-wire steering system for a vehicle, the fly-by-wire steering system comprising:
- a processing circuit;
- a pinion;
- a rack, the rack moves responsive to a rotation of the pinion;
- a support, the support is adapted to couple to the vehicle, the support is stationary, the rack moves with respect to the support;
- a plurality of magnetic sensors adapted to couple to the support and positioned along a first length of the support;
- and
- a plurality of magnets adapted to couple to the rack and positioned along a second length of the rack;
- wherein:
- as the rack moves, the magnets move with respect to the magnetic sensors;
- each magnetic sensor provides a respective signal while a magnet is positioned proximate to the magnetic sensor;
- the processing circuit receives the respective signals from the magnetic sensors;
- and
- in accordance with the respective signals from the magnetic sensors, the processing circuit determines a position of the rack and a direction of movement of the rack.
10 more elements
A fly-by-wire steering system for a vehicle, the fly-by-wire steering system comprising:
- a processing circuit;
- a steering wheel;
- a steering sensor for detecting a rotation of the steering wheel, the steering sensor provides a data to the processing circuit responsive to detecting the rotation of the steering wheel;
- a pinion;
- an actuator, the pinion coupled to the actuator, the processing circuit controls the actuator to rotate the pinion responsive to the data;
- a rack, the rack moves responsive to the rotation of the pinion;
- a support, the support is adapted to couple to the vehicle, the support is stationary, the rack moves with respect to the support;
- a plurality of magnetic sensors adapted to couple to the support and positioned along a first length of the support;
- and
- a plurality of magnets adapted to couple to the rack and positioned along a second length of the rack;
- wherein:
- as the rack moves, the magnets move with respect to the magnetic sensors;
- each magnetic sensor provides a respective signal while a magnet is positioned proximate to the magnetic sensor;
- the processing circuit receives the respective signals from the magnetic sensors;
- and
- in accordance with the respective signals from the magnetic sensors, the processing circuit determines a position of the rack and a direction of movement of the rack.
13 more elements
A fly-by-wire steering system for a vehicle, the fly-by-wire steering system comprising:
- a processing circuit;
- a steering wheel;
- a steering sensor for detecting a rotation of the steering wheel, the steering sensor provides a data to the processing circuit responsive detecting to the rotation of the steering wheel;
- a pinion;
- an actuator, the pinion coupled to the actuator, the processing circuit controls the actuator to rotate the pinion responsive to the data;
- a rack, the rack moves responsive to the rotation of the pinion;
- a support, the support is adapted to be coupled to the vehicle, the support is stationary, the rack moves with respect to the support;
- a first magnetic sensor, a second magnetic sensor and a third magnetic sensor, each magnetic sensor adapted to couple to the support, the first magnetic sensor positioned at a midpoint of the support, the second magnetic sensor positioned at or near a first end of the support and the third magnetic sensor positioned at or near a second end of the support;
- a first magnet, a second magnet in a third magnet, each magnet adapted couple to the rack, the first magnet positioned at a midpoint of the rack, the second magnet positioned at or near a first end of the rack and the third magnet positioned at or near a second end of the rack;
- wherein:
- as the rack moves, the first, second and third magnets move with respect to the first, second and third magnetic sensors;
- each magnetic sensor provides a respective signal while a magnet is positioned proximate to the magnetic sensor;
- the processing circuit receives the respective signals from the magnetic sensors;
- and
- in accordance with the respective signals from the magnetic sensors, the processing circuit determines a position of the rack and a direction of movement of the rack.
12 more elements
Dependencies are inferred from the claim text.