Method for determining a control force of an actuator

US9964129B2 · kind B2 · utility

Assignee

• ZF FRIEDRICHSHAFEN AG · DE

Inventors

• Alain Tierry Chamaken Kamde · Friedrichshafen, DE
• Wilhelm Moser · Markdorf, DE

Key dates

• Filing date: Sep 24, 2015
• Grant date: May 8, 2018
• Expiry date: Jul 10, 2036

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16D2500/70605
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A method for determining an operating force (Fp) of a positioning actuator (3), whose adjustment movements are produced by virtue of an appropriate supply of a working medium via actuating at least one valve (4 to 7) associated with the positioning actuator (3). The operating force (Fp) is determined by computational determination. To be able to carry out the computational determination of the operating force (Fp) with little effort, by the at least one valve (4 to 7) in each case, a respective, essentially constant mass flow ({dot over (m)}iv, {dot over (m)}ov) of working medium is maintained either into the positioning actuator (3) and/or out of the positioning actuator (3).