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Redundant signal processing systems, related methods and aircraft incorporating such systems

A processing system and processing method technology, applied in general control system, control/regulation system, electrical digital data processing, etc., can solve the problem that the monitoring and passivation mechanism is not reliable enough

Active Publication Date: 2016-06-15
AIRBUS OPERATIONS (SAS)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For different types of existing faults, especially unstable or oscillating faults, the monitoring and passivation mechanism does not therefore appear to be sufficiently reliable

Method used

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  • Redundant signal processing systems, related methods and aircraft incorporating such systems
  • Redundant signal processing systems, related methods and aircraft incorporating such systems
  • Redundant signal processing systems, related methods and aircraft incorporating such systems

Examples

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Embodiment Construction

[0075] figure 2 A redundant signal processing system according to an embodiment of the present invention is schematically shown. figure 2 The system can be especially formed by figure 1 The electric flight control computer is part of the system 12.

[0076] The system 12 includes: input terminals E1,...,EN, for receiving multiple redundant signals X1,...,XN from the source 20; a calculation module 120, for example, according to the function F:U=F(X1 ,..., XN), using the redundant input signal to calculate the currently effective signal U; the output module 122, which is connected to the calculation module 120, and is used to convert the calculated currently effective signal in the normal transmission mode M1 ( U) is sent as a valid output signal (X).

[0077] The calculation module 120 that calculates the current effective signal U can use different signal calculation techniques or select a representative signal selection technique among the redundant signals X1,..., XN at the in...

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PUM

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Abstract

The invention relates to a processing system (12) of redundant signals (X1, ..., XN), a related method and an aircraft (2) comprising such a system, with a view to monitoring and deactivating sources (20) affecting these redundant signals erratic or oscillating faults. The system comprises: a calculation module (120) for calculating a currently valid signal (U) based on redundant signals; a monitoring / passivation module (124) adapted to detect false signals and exclude them from the calculation according to a criterion (T); switching Components (122, 1220) for switching to a freeze mode (M2) that freezes the valid output signal as soon as an error signal is detected and for returning to the current valid signal as a valid output signal once no more error signal is detected ( X) The transmit mode (M1) to be transmitted.

Description

Technical field [0001] The present invention relates to a redundant signal processing system, a related method and an aircraft including such a system, in order to monitor and deactivate erratique or oscillating faults affecting the source of these redundant signals. Background technique [0002] Many systems today use multiple redundant signals, which represent the same physical quantity and come from multiple sources. This is especially the case for airborne systems in mobile devices, such as electric flight control systems that are provided for aircraft. [0003] The use of multiple redundant sources actually greatly improves the reliability of systems using these multiple redundant sources. [0004] For the sake of simplicity, although the present invention is applicable to various types of systems, the following will mainly refer to this type of electric flight control system to explain the present invention. [0005] therefore, figure 1 A computer 1 for an electric flight contr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B9/03
CPCG05D1/0077G06F11/0796G06F11/181G06F11/183G06F11/188
Inventor R·戴尔G·肖特P·法布尔
Owner AIRBUS OPERATIONS (SAS)
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