Method for avoiding bucking oscillations during acceleration of vehicles

US6220221A · kind A · utility

Assignee

• Daimlerchrysler AG · US

Inventors

• Roland Flinspach · Wiernsheim, DE
• Andreas Haller · Stuttgart, DE
• Franz Moser · Kürten, DE

Key dates

• Filing date: Apr 29, 1999
• Grant date: Apr 24, 2001
• Expiry date: Apr 29, 2019

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02D2250/21
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

In a method to avoid bucking oscillations during acceleration of vehicles, the engine torque is varied. To reliably prevent bucking oscillations without adversely affecting the acceleration behavior and exhaust behavior, it is proposed that during operation of the gas pedal, the engine torque be varied according to a stipulated engine torque curve between a lower torque value and an upper torque value, in which the engine torque curve has a local maximum adjacent to the lower torque value and has a local minimum between the local maximum and the upper torque value.