Resource Library

Leveraging DigitalClones for Prognostics Health Management

Use of physics-based models of aerospace components in the form of digital twins for prognostics health management offers impactful new...

Technical Papers, Aerospace Technology Papers

Fleetwide Integrated Prognostics Health Management for Emerging eVTOL Operations

Anticipation of a revolution in personal travel fueled by electric vertical take-off and landing aircraft is leading to the development highly...

Technical Papers, Aerospace Technology Papers

Gear Health Algorithm Solution For Drive System Design And Operations

The safe, reliable, and efficient operation and maintenance of rotorcraft drive systems is an essential capability of Army Aviation. From a safety...

Technical Papers, Aerospace Technology Papers

Overload Evaluation of Rotorcraft Tail Rotor Drive Spiral Bevel Gears

This paper details an effort conducted to evaluate the effects of short to moderate duration overloads on the spiral bevel gears of the UH-60...

Technical Papers, Aerospace Technology Papers

Remaining Useful Life Prediction of Helicopter Gearbox Bearings via Vibration...

This paper describes an innovative approach for predicting the remaining useful life (RUL) of a tapered roller bearing in the tail gearbox (TGB)...

Technical Papers, Aerospace Technology Papers

Predicting the Remaining Life of Propulsion System Bearings

Diagnostic technologies for rolling element bearings are relatively well developed, but accurate prediction of remaining life once an incipient...

Technical Papers, Aerospace Technology Papers

Correlation of HUMS CIs with a Physics-Based Prognostic Model for Remaining...

The purpose of this research is to determine the value of incorporating vibration derived condition indicator (CI) data for UH-60M Black Hawk tail...

Technical Papers, Aerospace Technology Papers

Microstructure-Based Fatigue Life Prediction Tool for Gearbox Components

This paper will summarize the DigitalClone models development, and validation efforts by comparing the simulation results with the Boeing spiral...

Technical Papers, Aerospace Technology Papers