Method and system for steering assistance in a vehicle
US-2016368534-A1 · Dec 22, 2016 · US
Algorithm for steering angle command to torque command conversion
US9150246B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9150246-B2 |
| Application number | US-201314099719-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 6, 2013 |
| Priority date | Dec 6, 2013 |
| Publication date | Oct 6, 2015 |
| Grant date | Oct 6, 2015 |
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Abstract
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A system and method for converting a vehicle steering angle command to a vehicle steering torque command for a vehicle steering system in a vehicle. The method estimates a self-aligning torque that defines the torque that maintains a vehicle steering wheel at a neutral steering position or to a position that makes no slip angle at the road wheel, applies known total steering torque commands to the steering system at a plurality of sample time steps where the known steering torque commands include the self-aligning torque, and measures a vehicle steering angle at each time step. The method then models the steering system of the vehicle using the torque commands, the measured steering angles, a system delay and a plurality of unknown parameters.
First claim
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What is claimed is: 1. A method for converting a vehicle steering angle command to a vehicle steering torque command for a vehicle steering system in a vehicle, said method comprising: estimating a self-aligning torque that defines the torque that maintains a vehicle steering wheel at an initial steering angle; applying known total steering torque commands to the steering system at a plurality of sample time steps where the known steering torque commands include the self-alignin…
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- What does patent US9150246B2 cover?
- A system and method for converting a vehicle steering angle command to a vehicle steering torque command for a vehicle steering system in a vehicle. The method estimates a self-aligning torque that defines the torque that maintains a vehicle steering wheel at a neutral steering position or to a position that makes no slip angle at the road wheel, applies known total steering torque commands to …
- Who is the assignee on this patent?
- Gm Global Tech Operations Inc
- What technology area does this patent fall under?
- Primary CPC classification B62D1/28. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Oct 06 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).