Process and device for controlling an internal combustion engine

US5862791A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Dietbert Schoenfelder · Gerlingen, DE
• Kai-Lars Barbehoen · Ludwigsburg, DE

Key dates

• Filing date: May 29, 1997
• Grant date: Jan 26, 1999
• Expiry date: May 29, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/40
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A process and a device for controlling an internal combustion engine, in particular for influencing the time of fuel injection into an internal combustion engine, influences a system deviation, which is computed from a setpoint and an actual value. From the system deviation, a controller defines a manipulated variable to be supplied to the actuator. When a set of first operating states is present, a first controller structure is active, and when a set of second operating states is present, a second controller structure is active. At the time of passage from the first controller structure to the second controller structure, an initial value is set for the second controller structure as a function of at least the setpoint and the actual value.