Powertrain fault management

Abstract

A computer is programmed to modify a first route for a vehicle to a second route in response to data indicating a critical condition of a powertrain of the vehicle, such as a temperature of the powertrain exceeding a temperature threshold. A predicted energy consumption by the powertrain is lower for the second route than for the first route.

Description

technical field [0001] The present disclosure relates generally to the field of vehicle management, and more particularly, to fault management of powertrain systems. Background technique [0002] A vehicle powertrain typically includes a series-connected engine, torque converter and transmission, as well as a differential shaft and sometimes a transfer case for 4-wheel drive. If the engine is an internal combustion engine, the engine includes cylinders that act as combustion chambers that convert fuel into rotational kinetic energy. A torque converter transfers rotational motion from the engine to the transmission while allowing slip between the engine and transmission, for example, when the engine is running and the vehicle is stopped. The transmission transfers kinetic energy from the torque converter to the drive shaft and ultimately to the vehicle's wheels while imposing gear ratios that allow for different compromises between torque and rotational speed. Overheating a...

AI Technical Summary

Problems solved by technology

Overheating and other malfunctions can cause drivetrain failure and / or damage to the drivetrain

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