Jaguar Land Rover Limited

Ben Neaves

Thorsten Schnorbus

Simon Jarvis

Daniel Neumann

Kiran Bandila

Christian Jörg

Lukas Schaefers

An illustrative example method of controlling an engine of a vehicle, includes determining a target pressure curve for a cylinder of the engine, determining a heat release model for the cylinder, determining a mass flow of fuel from the heat release model to achieve the target pressure curve, and automatically controlling opening of an injector of the cylinder of the engine to provide the determined mass flow of fuel to the cylinder.

Method and apparatus for controlling an engine based on a target pressure curve

An illustrative example method of controlling an engine of a vehicle, includes determining a target pressure curve for a cylinder of the engine for a first combustion cycle, determining a heat release model for the cylinder for the first combustion cycle, determining a mass flow of fuel from the heat release model to achieve the target pressure curve during the first combustion cycle, and automatically controlling opening of an injector of the cylinder of the engine during the first combustion cycle to provide the determined mass flow of fuel to the cylinder. The method includes determining a real pressure curve during the first combustion cycle and automatically adjusting at least one of the heat release model or the mass flow for a second, subsequent combustion cycle based on a difference between the target pressure curve and the real pressure curve.

The present invention relates to a vehicle controller () for activating a vehicle glide mode. The controller () receives vehicle operating data including torque request data representative of a torque request; acceleration data representative of vehicle acceleration; and output torque data representative of an output torque. The controller () is configured to analyze the vehicle operating data to identify a vehicle glide opportunity. The controller () is operative to generate an activation signal () for activating the vehicle glide mode when said vehicle glide opportunity has been identified and the torque request is positive. The controller is thereby operative to implement a vehicle glide strategy. The controller () can also operate to deactivate the vehicle glide mode. The present invention also relates to a method of activating a vehicle glide mode.

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Coventry, United Kingdom

Ben Neaves