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|Title: ||Failure modes and probabilities of a high redundancy actuator|
|Authors: ||Steffen, Thomas|
Goodall, Roger M.
Pearson, John T.
Zolotas, Argyrios C.
|Keywords: ||High redundancy actuator|
Fault mode and effect analysis (FMEA)
|Issue Date: ||2008|
|Publisher: ||© The International Federation of Automatic Control (IFAC)|
|Citation: ||STEFFEN, T. ... et al, 2008. Failure modes and probabilities of a high redundancy actuator. 17th IFAC World Congress, July 6-11, Seoul, Korea|
|Abstract: ||A high redundancy actuator (HRA) is composed of a high number of actuation
elements, increasing both the travel and the force over the power of an individual element. This
provides inherent fault tolerance, because when an element fails, the capabilities of the actuator
may be reduced, but it does not become dysfunctional. This paper analyses the likelihood of
different reductions in capabilities, based on the reliability of the actuation elements used. The
result is a probability distribution that quantifies the capability of the high redundancy actuator.
Together with the required capabilities, this determines the fault tolerance of the actuator.|
|Description: ||This is a conference paper|
|Appears in Collections:||Conference Papers (Electronic, Electrical and Systems Engineering)|
Conference Papers (Control Systems Group)
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