Lusser's law

E245802

Lusser's law is a reliability engineering principle that states the overall reliability of a system is the product of the reliabilities of its individual components, highlighting how system reliability decreases as more components are added in series.

All labels observed (2)

Label Occurrences
Lusser's law canonical 2
Lusser law 1

How this entity was disambiguated

Statements (43)

Predicate Object
instanceOf engineering law ⓘ
reliability engineering principle ⓘ
alsoKnownAs Lusser law ⓘ
linked to: Lusser's law

product law of reliability ⓘ
appliesTo series systems ⓘ
systems with series components ⓘ
assumes all components are required for system success ⓘ
binary component states (success or failure) ⓘ
statistical independence of component failures ⓘ
category engineering principle ⓘ
probabilistic model ⓘ
concerns component reliability ⓘ
probability of system success ⓘ
contrastsWith reliability behavior of parallel systems ⓘ
describes overall reliability of a system as a function of component reliabilities ⓘ
encourages simplification of series paths to reduce component count ⓘ
use of redundancy to improve system reliability ⓘ
field reliability engineering ⓘ
formalism probability theory ⓘ
highlights system reliability decreases as more components are added in series ⓘ
implies a single low-reliability component can dominate system unreliability ⓘ
adding more series components reduces overall system reliability ⓘ
mathematicalForm R_system = Π R_i ⓘ
relatedTo fault tree analysis ⓘ
parallel system reliability model ⓘ
redundancy in reliability engineering ⓘ
reliability block diagrams ⓘ
series system reliability model ⓘ
shows system reliability is more sensitive to the least reliable components ⓘ
states the reliability of a series system equals the product of the reliabilities of its individual components ⓘ
usedFor comparing alternative system architectures ⓘ
early-stage reliability estimation ⓘ
identifying critical components in a series chain ⓘ
usedIn aerospace engineering ⓘ
design of reliable systems ⓘ
electronic system design ⓘ
failure analysis ⓘ
mechanical system design ⓘ
reliability prediction ⓘ
safety engineering ⓘ
validUnderCondition components fail independently ⓘ
no common-cause failures dominate ⓘ
system fails if any single component fails ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Robert Lusser → developed → Lusser's law ⓘ
Lusser's law → alsoKnownAs → Lusser law ⓘ
linked to: Lusser's law