STEER BY WIRE SYSTEM FOR AN AUTOMOTIVE VEHICLE
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United States of America Patent
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Issued Date -
Feb 22, 2024
app pub date -
Dec 30, 2021
filing date -
Dec 31, 2020
priority date (Note) -
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Abstract
A steer by wire system for a vehicle includes a hand wheel, a steering gear that is attached to at least one steered road wheel, and at least one actuator that is connected to the hand wheel or the steering gear for the vehicle to apply to torque to the hand wheel or steering gear. The steer by wire system can include a control circuit comprising a first PID Controller which receives at an input a set point signal and provides as an output a control signal that is used to control the motor, the controller being arranged in a closed loop with the motor and configured to minimise an error value indicative of the difference between the demanded behaviour of the motor as indicated by the set point signal and the actual behaviour of the motor.
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