Method for changing a ride height position of a motor vehicle using an actively adjustable chassis

US12202309B2 · kind B2 · utility

Assignee

• Continental Automotive Technologies GmbH · DE

Inventors

• Hermann Hoinkhaus · Burgwedel, DE
• Frank Wolters · Thedinghausen, DE

Key dates

• Filing date: May 18, 2023
• Grant date: Jan 21, 2025
• Expiry date: Jul 31, 2043

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60G2600/68
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A method for changing a ride height position of a motor vehicle comprises measuring a respective relative distance of a vehicle superstructure from corresponding wheels, with spring travel sensors and transmitting a respective spring travel signal to an electronic open-loop and closed-loop control device of the motor vehicle. The spring travel signals pass through a frequency filtering in the electronic open-loop and closed-loop control device The frequency filtering initially comprising a bandpass filtering which splits the spring travel signal into a signal component excited by the wheel and a signal component excited by the vehicle superstructure. The signal component excited by the vehicle superstructure is filtered out, the frequency filtering then comprising an absolute value conversion of the bandpass-filtered spring travel signal and subsequently a low-pass filtering.