Sammenlign metoder

	Højt accelereret levetidstest (HALT)	Rainflowtælling
Fagområde	Pålidelighedsteknik	Pålidelighedsteknik
Familie	Process / pipeline	Process / pipeline
Oprindelsesår	1990s	1974
Ophavsperson	William Leis and others	Tatsuo Endo
Type	Product reliability testing methodology	Cycle counting algorithm
Oprindelig kilde	Leis, B. N., & Stephens, D. R. (2011). Reliability methodologies for structural integrity assessment. Journal of Pressure Vessel Technology, 133(5), 051204.	Goodman, J. (1899). Mechanics Applied to Engineering. Longman, Green and Co.
Aliasser	HALT, Accelerated stress testing, HASS	Rainflow cycle counting, RFC
Relaterede	4	4
Resumé	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.	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.