Limiting a Control Variable for a Motor of an Electric Power Steering System

A method limits a control variable for a motor of an electric power steering system for a motor vehicle having automated lateral control. The method receives a setpoint steering angle, determines the control variable in accordance with the setpoint steering angle, receives an actual steering angle,...

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Bibliographic Details
Main Authors BERGWEILER, Tobias, HELL, Martin, KORTI, Peter, SAUER, Andreas, MCKEVITT, Gareth
Format Patent
LanguageEnglish
Published 09.06.2022
Subjects
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
MOTOR VEHICLES
PERFORMING OPERATIONS
TRAILERS
TRANSPORTING
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Summary:A method limits a control variable for a motor of an electric power steering system for a motor vehicle having automated lateral control. The method receives a setpoint steering angle, determines the control variable in accordance with the setpoint steering angle, receives an actual steering angle, determines a virtual torsion-bar torque in accordance with the setpoint steering angle and the actual steering angle, determines at least one limit value for the control variable in accordance with the virtual torsion-bar torque, and limits the control variable in accordance with the at least one limit value.
Bibliography:Application Number: US202017594372