System and method for monitoring the torque of a motor vehicle engine

Patent metadata

Field	Value
Publication number	US-9199552-B2
Application number	US-201314404554-A
Country	US
Kind code	B2
Filing date	May 16, 2013
Priority date	May 30, 2012
Publication date	Dec 1, 2015
Grant date	Dec 1, 2015

Abstract

A method for monitoring torque produced by a motor vehicle engine, or an electric engine, including: comparing an estimated or measured value of torque produced by the engine with a low limit value or high limit value to detect excessive braking or acceleration and/or a lack of braking or acceleration; calculating the low limit value or high limit value, the calculating including: subtracting or adding a static error value to a torque value requested by a driver of the vehicle to obtain a low or high intermediate signal; and applying, to the intermediate signal, a delay corresponding to a response time of the engine to a torque increase request or to a torque decrease request expressed by the driver of the vehicle.

First claim

The invention claimed is:

1. A method for monitoring torque provided by a motor vehicle engine, or an electric engine, comprising:
comparing an estimated or measured value of torque provided by the engine with a low limit value or high limit value, to detect excessive braking or acceleration and/or insufficient braking or acceleration;
calculating the low or high limit value, the calculation comprising:
subtracting, or adding, a static error value from or to a torque value req…

Assignees

• Renault Sas

Inventors

• Marsilia Marco
• Ait-Hammouda Islam

Classifications

• Y02T10/72

  Cross-Sectional Technologies · mapped topic

• H02P2205/05

  Electricity · mapped topic

• H02P29/02

  Electricity · mapped topic

• B60L15/2009

  Operations & Transport · mapped topic

• H02P29/10

  Electricity · mapped topic