The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2025
Filed:
Jul. 16, 2020
Moog Gmbh, Boblingen, DE;
Werner Handle, Marbach am Neckar, DE;
Achim Helbig, Stuttgart, DE;
Moog GmbH, Boblingen, DE;
Abstract
In summary, the invention relates to a device and method for open-loop or closed-loop control of a movement of a die cushion of a die cushion press. The device has a control value encoder (), a speed controller (), a current controller (), and a motor control device () for providing a nominal current for an electrical drive () of a fluid-hydraulic motor pump unit () for moving a die cushion of a die cushion press. The control value encoder () is provided in order to calculate a setpoint speed based on a die cushion control value command and a die cushion information. The speed controller () calculates a setpoint current based on the setpoint speed. The current controller () calculates a control signal based on the setpoint current, and the motor control device () calculates the nominal current based on the control current. In this respect, the dynamics of the control of the electrical machine can be improved.