Actuation

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• High Redundancy Actuation (HRA) is a new approach to fault tolerant control in the area of mechanical actuation.
• Variable valve actuation, or VVA, is a generalised term used to describe any mechanism or method that can alter the shape or timing of a valve lift event within an internal combustion engine.
• Actuation is a term of self-realization used in Aristotle's philosophy of entelechy.

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