IP Library › Granted Patent US 12697878
Granted Patent B2
US 12697878 · App. 18/758,064 · Granted Aug 4, 2026

Systems and methods for providing a steer-by-brake performance capability estimation

Inventors: Sarin Kodappully (Midland, MI); Alexander Jennings (Bath, MI)
Assignee: Steering Solutions IP Holding Corporation
B60K35/28B60K2360/162B62D9/005
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Quick Facts
Patent No.
US 12697878
App. No.
18/758,064
Granted
Aug 4, 2026
Kind
B2
Abstract

A method for vehicle steering control includes estimating a target steering metric using at least one vehicle signal associated with a vehicle, the target steering metric being associated with a requested steering maneuver. The method also includes estimating an instantaneous steer-by-brake metric using the at least one vehicle signal, and determining whether a steer-by-brake function of a steering system of the vehicle can achieve the target steering metric based on the target steering metric and the instantaneous steer-by-brake metric. The method also includes calculating a steer-by-brake capability status of the steer-by-brake function, and, in response to a determination that the steer-by-brake function can achieve the target steering metric generating a first steer-by-brake capability indication, and providing the first steer-by-brake capability indication.

Claims (47)

1 . A method for vehicle steering control, the method comprising:

estimating a target steering metric using at least one vehicle signal associated with a vehicle, the target steering metric being associated with a requested steering maneuver;

estimating an instantaneous steer-by-brake metric using the at least one vehicle signal;

determining whether a steer-by-brake function of a steering system of the vehicle can achieve the target steering metric based on the target steering metric and the instantaneous steer-by-brake metric;

calculating a steer-by-brake capability status of the steer-by-brake function based on a current operating state of the steer-by-brake function and the requested steering maneuver, and

in response to a determination that the steer-by-brake function can achieve the target steering metric:

generating a first steer-by-brake capability indication; and

providing the first steer-by-brake capability indication.

2 . The method of claim 1 , wherein the first steer-by-brake capability indication includes a status indicating that at least one of the steer-by-brake function and the steering system can perform the requested steering maneuver.

3 . The method of claim 1 , wherein the first steer-by-brake capability indication includes an estimated range for achieving the target steering metric.

4 . The method of claim 1 , wherein providing the first steer-by-brake capability indication includes providing the first steer-by-brake capability indication to a display of the vehicle.

5 . The method of claim 1 , wherein providing the first steer-by-brake capability indication includes providing the first steer-by-brake capability indication to at least one vehicle system of the vehicle.

6 . The method of claim 1 , further comprising, in response to a determination that the steer-by-brake function cannot achieve the target steering metric:

generating a second steer-by-brake capability indication; and

providing the second steer-by-brake capability indication.

7 . The method of claim 6 , wherein the second steer-by-brake capability indication includes a status indicating that at least one of the steer-by-brake function and the steering system cannot perform the requested steering maneuver.

8 . The method of claim 6 , wherein the second steer-by-brake capability indication includes an estimated range where the target steering metric cannot be achieved.

9 . The method of claim 1 , wherein the target steering metric includes at least one of a maximum allowable handwheel effort and a desired lateral vehicle target.

10 . The method of claim 1 , wherein the instantaneous steer-by-brake metric includes at least one of an instantaneous driver handwheel effort during operation of the steer-by-brake function, and an instantaneous steer-by-brake lateral vehicle capability.

11 . The method of claim 1 , wherein estimating the instantaneous steer-by-brake metric using the at least one vehicle signal includes using a physics-based mathematical model.

12 . The method of claim 11 , wherein the physics-based mathematical model estimates at least one vehicle parameter that is provided to at least one vehicle dynamic system.

13 . The system of claim 6 , wherein the second steer-by-brake capability indication includes at least one of a status indicating that at least one of the steer-by-brake function and the steering system cannot perform the requested steering maneuver, and an estimated range where the target steering metric cannot be achieved.

14 . A system for vehicle steering control, the system comprising:

a processor; and

a memory including instructions that, when executed by the processor cause the processor to:

estimate a target steering metric using at least one vehicle signal associated with a vehicle, the target steering metric being associated with a requested steering maneuver;

estimate an instantaneous steer-by-brake metric using the at least one vehicle signal;

determine whether a steer-by-brake function of a steering system of the vehicle can achieve the target steering metric based on the target steering metric and the instantaneous steer-by-brake metric;

calculate a steer-by-brake capability status of the steer-by-brake function based on a current operating state of the steer-by-brake function and the requested steering maneuver; and

in response to a determination that the steer-by-brake function can achieve the target steering metric:

generate a first steer-by-brake capability indication; and

provide the first steer-by-brake capability indication.

15 . The system of claim 14 , wherein the first steer-by-brake capability indication includes a status indicating that at least one of the steer-by-brake function and the steering system can perform the requested steering maneuver.

16 . The system of claim 14 , wherein the first steer-by-brake capability indication includes an estimated range for achieving the target steering metric.

17 . The system of claim 14 , wherein the instructions further cause the processor to provide the first steer-by-brake capability indication by providing the first steer-by-brake capability indication to a display of the vehicle.

18 . The system of claim 14 , wherein the instructions further cause the processor to provide the first steer-by-brake capability indication includes providing the first steer-by-brake capability indication to at least one vehicle system of the vehicle.

19 . The system of claim 14 , wherein the instructions further cause the processor to, in response to a determination that the steer-by-brake function cannot achieve the target steering metric:

generate a second steer-by-brake capability indication; and

provide the second steer-by-brake capability indication.

20 . An apparatus for vehicle steering control, the apparatus comprising:

a controller configured to:

estimate a target steering metric using at least one vehicle signal associated with a vehicle, the target steering metric being associated with a requested steering maneuver;

estimate an instantaneous steer-by-brake metric using the at least one vehicle signal;

determine whether a steer-by-brake function of a steering system of the vehicle can achieve the target steering metric based on the target steering metric and the instantaneous steer-by-brake metric;

calculate a steer-by-brake capability status of the steer-by-brake function based on a current operating state of the steer-by-brake function and the requested steering maneuver;

in response to a determination that the steer-by-brake function can achieve the target steering metric, generate a first steer-by-brake capability indication; and

in response to a determination that the steer-by-brake function cannot achieve the target steering metric, generate a second steer-by-brake capability indication.