Abstract
The paper deals with safety and reliability assessment as an integral part of the development process for modern aviation products with potentially critical functions. Focus is on digital engine control units, their development process and tools offering potential savings in otherwise time demanding and expensive safety assessment processes. The paper shows application of several approaches, which together form an innovative way for safety assessment of aerospace products (otherwise strictly limited by regulation procedures). It is focused on practical ways towards reduction of development costs during safety assessment, which do not compromise its comprehensiveness. Described approaches are based on experience from development of numerous aerospace products in last nearly 20 years. As an addition, possibility to further enhance the proposed innovative effect classification by application of FMECA was shown. Possible methods for quantitative assessment using Fuzzy logic and/or multiple-criteria decision analysis were discussed.
Highlights
Recent fast development in digital technologies in many fields enables replacement of “old-fashioned” analogue or even mechanical control systems by state of the art digital control solutions with many advantages
The paper deals with research of new approaches to effectively develop complex electronic systems for general aviation aircraft, in particular to ensure effective safety assessment for FADEC (Full Authority Digital Engine Control) under development
More strict regulation requirements and more complex aircraft systems are the main reason for increasing development costs for recent aerospace projects
Summary
Recent fast development in digital technologies in many fields enables replacement of “old-fashioned” analogue or even mechanical control systems by state of the art digital control solutions with many advantages. In aerospace, this process was slowed-down by the fact that replacement of control functions which are safety critical is a demanding and expensive process. In the area of small aircraft with limited resources for development and certification, this issue prevents faster development. To tackle this issue, new effective approaches need to be developed. The paper deals with research of new approaches to effectively develop complex electronic systems for general aviation aircraft, in particular to ensure effective safety assessment for FADEC (Full Authority Digital Engine Control) under development
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