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System and method for assessing cumulative effects of a failure in an aircraft

A technique of cumulative effects and effects, which is applied in the field of evaluating the cumulative effects of system failures, and can solve the problems that the analytical methods are no longer practical

Active Publication Date: 2015-01-21
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As complex systems, and systems of complex systems, become more integrated, traditional analytical methods may no longer be practical given the breadth of coverage and labor costs involved

Method used

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  • System and method for assessing cumulative effects of a failure in an aircraft
  • System and method for assessing cumulative effects of a failure in an aircraft
  • System and method for assessing cumulative effects of a failure in an aircraft

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Embodiment Construction

[0022] Certain embodiments of the present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which the drawings illustrate some, but not all embodiments of the present disclosure. Indeed, various embodiments of the present disclosure may be embodied in many different forms and should not be construed as limitations of the embodiments set forth herein; scope covered by the invention. Also, something may be shown or described as being above something else, which (unless otherwise indicated) may instead be below, and vice versa; and likewise, something may be shown or described as being above something else. To the left of something else can instead be to the right of something, and vice versa. Like reference numerals refer to like elements throughout.

[0023] Example embodiments of the present disclosure relate generally to assessing the cumulative effects of system failures in complex systems, and in particular to assessing th...

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PUM

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Abstract

A failure-effect validation system (100) includes an effects modeler (104) configured to develop a cumulative effects (600) model for failure modes (302) of the complex system, and by which a model of the complex system is extendible to form an extended complex-system model. The effects modeler (104) is also configured to develop search targets each of which includes logical expressions of notable hazards (304) and other factors that contribute to the cumulative effects (600), such as crew workload (306), safety margin (606) and / or physiological effects (608). A model analysis system (106) is configured to perform an automated analysis using the extended complex-system model and search targets, and in which the automated analysis includes a graph search of possible states of the extended complex-system model to locate search targets. And the effects assessment system (108) is configured to selectively generate a layout of failure analysis data including at least a portion of the extended complex-system model and results of the automated analysis.

Description

technical field [0001] The present disclosure relates generally to assessing the cumulative effects of system failures, and in particular to assessing the cumulative effects of single and multiple system failures in a highly automated manner. Background technique [0002] Complex systems such as aircraft typically consist of several systems and may enable greater functionality than a single of these systems. Technological advances in many complex systems, including aircraft and, for example, other devices in the aerospace, automotive, marine, medical, electronics industries have resulted in a myriad of interdependent systems, at least some of which may be produced by different companies from different geographic locations. Designed by different teams. Failure or failure of one or more of these systems often directly or indirectly affects other systems, and the aggregation of these effects is often referred to as a "cascading" effect. Furthermore, analysis of these system f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F17/5009G05B23/0251G05B23/0243G06F30/20Y02T10/82
Inventor D·H·琼斯T·J·佩奇D·J·福格蒂C·R·道格拉斯R·尼科尔森L·富克S·斯威尼R·M·富力克斯
Owner THE BOEING CO
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