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Steering torque control

A steering torque and torsion bar technology, applied in the field of steering torque control

Inactive Publication Date: 2019-03-29
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, upon receiving user input to change the steering angle of the vehicle (i.e., the user turns the steering wheel), problems arise in determining the amount of torque to apply to the vehicle's steering system and / or determining whether to apply torque at all.

Method used

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  • Steering torque control
  • Steering torque control
  • Steering torque control

Examples

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Embodiment Construction

[0030] Exemplary System Components

[0031] A computer of a vehicle, such as an autonomous vehicle, may control vehicle steering operations. A user may apply torque to the steering wheel of the vehicle while the computer controls the steering of the vehicle. In such cases, the computer may need to determine whether to actuate the vehicle steering actuator based on user input (ie, torque applied to the steering wheel). Thus, advantageously, vehicle steering operation may be improved with respect to evaluating and acting on torque input to the steering wheel when the vehicle is steering autonomously.

[0032] figure 1 A vehicle 100 is shown. Vehicle 100 may be powered in a variety of known ways (eg, with an electric motor and / or an internal combustion engine). Vehicle 100 may be a land vehicle, such as an automobile, truck, or the like. The vehicle 100 may include: a computer 110 ; actuators 120 ; sensors 130 ; a human machine interface (HMI) 140 ;

[0033] Computer 110 in...

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PUM

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Abstract

A system includes a computer that is programmed to determine a vehicle steering wheel angle based on a vehicle steering torque and a vehicle pinion angle and to determine a compensated steering torqueby applying a high-pass filter to the determined vehicle steering wheel angle. The computer is programmed to actuate a vehicle component based on the determined compensated steering torque. A parameter of the high-pass filter is based on a vehicle speed.

Description

technical field [0001] The present disclosure relates to the field of vehicle controls, and more particularly to steering torque control in vehicles. Background technique [0002] One or more computers may be programmed to control vehicle operation, for example, while the vehicle is traveling on a road. For example, a computer may control vehicle operation in an autonomous mode, such as by controlling vehicle acceleration, braking, and steering. A vehicle user may turn the vehicle steering wheel to steer the vehicle. However, upon receiving user input to change the steering angle of the vehicle (ie, the user turns the steering wheel), problems arise in determining the amount of torque to apply to the vehicle's steering system and / or determining whether to apply torque at all. Contents of the invention [0003] Disclosed herein is a system comprising a computer programmed to determine a vehicle steering wheel angle based on a vehicle steering torque and a vehicle pinion a...

Claims

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Application Information

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IPC IPC(8): B62D6/00B62D101/00B62D113/00B62D119/00B62D137/00
CPCB62D6/00B62D1/286B62D15/024B62D5/0463B62D15/0225B62D15/025G05D1/0061G05D1/021
Inventor 多梅尼克·米奇尼利穆罕默德·瓦吉赫·伊萨姆·费尔哈特延斯·克里斯琴森纳撒尼尔·艾布拉姆·罗尔夫斯
Owner FORD GLOBAL TECH LLC
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