Process for monitoring a braking system with antilock system and electronic braking power distribution

US6009366A · kind A · utility

Assignee

• ITT MANUFACTURING ENTERPRISES LLC · US

Inventors

• Dieter Burkhard · Pirmasens, DE
• Norbert Ehmer · Bad Orb, DE
• Thomas Proger · Rödermark, DE
• Alexander Volz · Knechtenhaus, DE
• Gerhard Kunz · Heiligenhaus, DE
• Helmut Fennel · Bad Soden, DE

Key dates

• Filing date: Nov 12, 1998
• Grant date: Dec 28, 1999
• Expiry date: Nov 12, 2018

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60T17/18
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A method of monitoring a brake system which is equipped with anti-lock control (ABS) and a system for electronic control of brake force distribution (EBV). The system includes two brake circuits in a black/white brake circuit split-up, the EBV function or control is principally released only when the vehicle deceleration exceeds a predetermined limit value (GWN). To identify a front-axle brake circuit failure, acceleration criteria, i.e., criteria responsive to the acceleration behavior of the vehicle wheels, are predetermined and monitored. Further, slip range monitoring in conjunction with acceleration range monitoring is performed. Upon `detection` of an acceleration criterion or when a limit value (GW2) predetermined as an acceleration criterion is exceeded, and/or upon `detection` of values which are outside the slip range (GW1) or the acceleration range (GW5), a `suspected` front-axle brake circuit failure is signaled, and intervention into the electronic control of the brake force distribution (EBV) is performed.