![]() ![]() The system safety objectives and requirements are determined during the SFHA process. The PSSA/SSA analysis must be based on the results of the SFHA. The traceability between PSSA/SSA data and SFHA data focuses on two points: Wing vibration and fatigue control function Turbulence/gust load alleviation function The EADN will be used also as high-lift device, during take-off and landing phases “Drag minimization” and “lift adaptation” functions are connected together (i.e., a modification of the aerodynamic profile in order to increase lift also causes a drag coefficient change). These links create the basis for a clear matching between the top-down morphing wing FHA and the bottom-up morphing wing subsystems FHAs. In order to integrate such results, a clear mapping of aircraft level functions, morphing system functions, and physical devices becomes mandatory. The functional safety analysis of a morphing wing concept and integrating different and independently actuated morphing devices, must be performed at two different levels: the morphing wing level and the single morphing device level. Provide containment and internal supportĨ.1.2 Provide structural integrity and loads distribution Plan, generate and control A/C movementĢ.2 Generate and control aircraft movementĢ.2.5 Control A/C aerodynamics configurationĢ.2.6.1 To provide protection against turbulence effectsĢ.2.6.2 To provide protection against stall loadĢ.2.8 Support supplemental flight controlĢ.2.8.1 To provide overload protection and A/C load protectionĢ.2.8.2 To provide protection against maneuvers effectsĨ. ![]()
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January 2023
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