... addition, some of the design improvement strategies are zero-failure design, fault-tolerant design, built-in testing, derating, design for damage detection, modular design, design for fault ... FMEA, including:25• To identify design weaknesses• To help in choosing design alternatives during the initial design stages• To help in recommending design changes• To help in understanding ... example, conceptual design stage and detailed design stage. In this case, the extent of FMEA may be broader for the detailed design analysis stagethan for the conceptual design stage....