Open-loop and closed-loop control unit

US7337020B2 · kind B2 · utility

Assignee

• Diehl Avionik Systeme GmbH · DE

Inventor

• Stefan Orth · Weil der Stadt, DE

Key dates

• Filing date: Jul 6, 2005
• Grant date: Feb 26, 2008
• Expiry date: Jul 13, 2026

Classification

• Technology area (CPC G): Physics
• CPC primary: G05B9/03
• WIPO field: Control
• WIPO sector: Instruments

Abstract

An open-loop and closed-loop control unit for a safety-relevant apparatus, in particular for aviation applications, has a computer unit with a number of computer inputs and computer outputs, and a circuit unit with a number of circuit inputs and circuit outputs. The circuit unit has hardware components for simulating some of the logic operations that can be carried out in the computer unit. The circuit inputs and computer inputs that correspond to one another with respect to the simulated logic operations are each connected in parallel to a signal input line. The computer outputs and circuit outputs which correspond to one another with respect to the simulated logic operations are each connected to a decision-making unit, by which an output signal for open-loop control of the safety-relevant apparatus can be emitted as a function of the correspondence between the signals from the computer output and from the circuit output.