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Use of on-vehicle accelerometer to estimate vehicle grade and mass while vehicle is in motion
US8977415B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8977415-B2 |
| Application number | US-201113196329-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 2, 2011 |
| Priority date | Aug 2, 2011 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
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Abstract
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A system includes a grade estimation module that receives an accelerometer value and generates a grade estimate based on the accelerometer value, wherein the accelerometer value corresponds to acceleration of a vehicle and the grade estimate corresponds to a grade of the vehicle. A mass estimation module receives the accelerometer value and generates a mass estimate based on the accelerometer value, wherein the mass estimate corresponds to a mass of the vehicle. A shift control module at least one of selects and adjusts one of a plurality of shift schedules based on at least one of the grade estimate and the mass estimate and controls a transmission of the vehicle based on the one of the plurality of shift schedules.
First claim
Opening claim text (preview).
What is claimed is: 1. A system comprising: a grade estimation module that receives an accelerometer value and generates a grade estimate based on the accelerometer value, wherein the accelerometer value corresponds to acceleration of a vehicle and the grade estimate corresponds to a grade of the vehicle; a mass estimation module that receives the accelerometer value and generates a mass estimate based on the accelerometer value, wherein the mass estimate corresponds to a mass o…
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Mechanical Engineering · mapped topic
- B60W40/076Primary
Operations & Transport · mapped topic
Mechanical Engineering · mapped topic
Operations & Transport · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US8977415B2 cover?
- A system includes a grade estimation module that receives an accelerometer value and generates a grade estimate based on the accelerometer value, wherein the accelerometer value corresponds to acceleration of a vehicle and the grade estimate corresponds to a grade of the vehicle. A mass estimation module receives the accelerometer value and generates a mass estimate based on the accelerometer v…
- Who is the assignee on this patent?
- Tiberg Richard L, Gm Global Tech Operations Inc
- What technology area does this patent fall under?
- Primary CPC classification B60W40/076. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 10 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).