Distance-related electronically controlled cruise control system

US6192309A · kind A · utility

Assignee

• Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

• Willibald Prestl · Eichenau, DE
• Joachim Steinle · Munich, DE
• Oliver Tschernoster · Munich, DE

Key dates

• Filing date: Dec 21, 1998
• Grant date: Feb 20, 2001
• Expiry date: Dec 21, 2018

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60W2720/106
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

In a distance-related electronically controlled cruise control system for motor vehicles, in which, during a first regulating operation, a predetermined speed is essentially maintained until a preset minimum distance from a leading target vehicle is reached or undershot, and in which, during a second regulating operation, following the reaching or undershooting of this preset minimum distance, a speed regulation takes place in such fashion that the set minimum distance is maintained by following the target vehicle ahead at a regulated distance, and in the event of detection of a standing object ahead of the target vehicle traveling ahead of the source vehicle during the second regulating operation, after the previously leading target vehicle veers aside thus causing a transition from the second regulating operation back to the first regulating operation, acceleration to the preset speed is prevented if the distance to the standing object is below a first threshold and/or if the actual speed is below a second threshold.