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Systems for selecting data representing air parameters, engine control systems, aircraft including such systems, and related methods

A technology of air parameters and selection system, applied in the direction of non-electric variable control, reasoning method, position/direction control, etc., which can solve complex problems

Active Publication Date: 2014-10-29
AIRBUS OPERATIONS (SAS)
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Problems solved by technology

Furthermore, these systems always take into account the selection of data to be used in the engine control computer in order to comply with the isolation constraints of the engine, resulting in a relatively complex design that either requires the exchange of precise information (each both relate to one data from one airframe source), or require an exchange of comparison results
[0005] This complexity can be found in the selection logic used based on graphs that catalog the different types of situations that can be considered due to pairwise comparisons of different sources

Method used

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  • Systems for selecting data representing air parameters, engine control systems, aircraft including such systems, and related methods
  • Systems for selecting data representing air parameters, engine control systems, aircraft including such systems, and related methods
  • Systems for selecting data representing air parameters, engine control systems, aircraft including such systems, and related methods

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Embodiment Construction

[0025] figure 1 The main elements of an air data processing system in an aircraft are shown. Such systems in particular allow representative data of an air parameter to be selected among a plurality of data from redundant sources in order to use the selected data, for example in the context of engine control.

[0026] The system first includes a number of computers located at the fuselage of the aircraft:

[0027] - three computers 12, 14, 16 associated with a number of sources located on the airframe, commonly referred to as Air Data Inertial Reference Unit ADIRU (i.e. "Air Data and Inertial Reference Unit");

[0028] - a computer 18 of the type ISIS ("Integrated Standby Instrument System"), which processes backup air data sources;

[0029] - general-purpose computers 20, 22, for example of the core processing input / output module CPIOM (referred to as "Core Processing Input / Output Module") type, which here in particular allow the selection of a data among the data received ...

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Abstract

A system and method for selecting a datum representative of an air parameter, including a plurality of sources each capable of delivering a datum representative of a measured value of the parameter. The system includes: a mechanism for determining, for at least some sources, a number of other sources from the plurality of sources in agreement with a source in question; and a mechanism for selecting the datum selected from the data delivered by the sources for which the determined agreement number is the maximum. An engine control system, or an aircraft can include such a system or implement such a method.

Description

technical field [0001] The present invention relates to a selection system of data representative of air parameters, an engine control system, an aircraft including such a system and related methods. Background technique [0002] It is known to take into account data from multiple redundant sources of measurement of air parameters such as total pressure, static pressure or temperature and to select among these the data that will ultimately be used, for example inside the engine control computer (usually in the case below for the purpose of determining parameters such as standard altitude, Mach number and temperature difference between perceived temperature and standard temperature). [0003] Systems for performing these operations are described, for example, in patent applications FR 2 850 356 and FR 2 916 290 . [0004] In these systems, the robustness of the selection logic is improved by virtue of numerous comparisons between sources. Furthermore, these systems always t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01P13/02G05D1/00
CPCG01P13/025G06N5/04
Inventor J·费奥
Owner AIRBUS OPERATIONS (SAS)
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