Method and system for intelligent scaling of torque overlay intervention for semi-autonomous road vehicle steering systems
N Lazic, D Katzourakis, C Olsson - US Patent 9,527,527, 2016 - Google Patents
A method is provided for intelligent scaling of torque overlay intervention for a semi-
autonomous steering system in a road vehicle having a semi-autonomous steering function
arranged to selectively apply a steering wheel overlay torque. If decided that a driver is
significantly overriding an intervention, the overlay torque is scaled by a scaling factor being
a function of applied steering wheel torque. If decided that the driver has been significantly
overriding the intervention for more than a pre-determined first time period, the scaling factor …
autonomous steering system in a road vehicle having a semi-autonomous steering function
arranged to selectively apply a steering wheel overlay torque. If decided that a driver is
significantly overriding an intervention, the overlay torque is scaled by a scaling factor being
a function of applied steering wheel torque. If decided that the driver has been significantly
overriding the intervention for more than a pre-determined first time period, the scaling factor …
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