Sammenlign metoder

	Rainflow Counting	Highly Accelerated Life Testing (HALT)
Fagfelt	Pålitelighetsteknikk	Pålitelighetsteknikk
Familie	Process / pipeline	Process / pipeline
Opprinnelsesår	1974	1990s
Opphavsperson	Tatsuo Endo	William Leis and others
Type	Cycle counting algorithm	Product reliability testing methodology
Opprinnelig kilde	Goodman, J. (1899). Mechanics Applied to Engineering. Longman, Green and Co.	Leis, B. N., & Stephens, D. R. (2011). Reliability methodologies for structural integrity assessment. Journal of Pressure Vessel Technology, 133(5), 051204.
Alias	Rainflow cycle counting, RFC	HALT, Accelerated stress testing, HASS
Relaterte	4	4
Sammendrag	Rainflow counting is a fatigue cycle counting method that converts a complex stress history into individual cycles for damage assessment. Developed by Tatsuo Endo and colleagues in 1974, it provides the most physically realistic representation of fatigue damage when combined with Miner's linear cumulative damage hypothesis. The algorithm has become the industry standard in reliability engineering and vibration analysis.	Highly Accelerated Life Testing (HALT) is a methodology for rapidly identifying design weaknesses and determining the margin between normal operating conditions and product failure. By applying extreme but non-destructive stress profiles (thermal, vibration, etc.), HALT accelerates the failure clock to reveal latent defects in weeks rather than years. Developed intensively from the 1980s onward and refined by practitioners in electronics and mechanical systems, HALT has become essential in accelerated product development and reliability validation.