A Diagnostic Approach for Electro-Mechanical Actuators in Aerospace Systems

A Publication, EDWARD BALABAN's Collection - 13 years, 5 months ago

Shared By: EDWARD BALABAN

Electro-mechanical actuators (EMA) are finding increasing use in aerospace applications, especially with the trend towards all all-electric aircraft and spacecraft designs. However, electro-mechanical actuators still ...

Experimental Data Collection and Modeling for Nominal and Fault Conditions on Electro-Mechanical Actuators

A Publication, EDWARD BALABAN's Collection - 12 years, 10 months ago

Shared By: EDWARD BALABAN

Being relatively new to the field, electromechanical actuators in aerospace applications lack the knowledge base compared to ones accumulated for the other actuator types, especially ...

Metrics for Evaluating Performance of Prognostics Techniques

A Publication, EDWARD BALABAN's Collection - 13 years, 5 months ago

Shared By: EDWARD BALABAN

Prognostics is an emerging concept in condition based maintenance (CBM) of critical systems. Along with developing the fundamentals of being able to confidently predict Remaining ...

2010_09_06 Lab

A Dataset, FLEA - 13 years, 7 months ago

Shared By: EDWARD BALABAN

return channel jam data (some from extended, 2-minute scenarios) collected in laboratory conditions.

2010_09_03 Lab

A Dataset, FLEA - 13 years, 7 months ago

Shared By: EDWARD BALABAN

Nominal, ballscrew retrun channel jam, and screw surface spall data collected in laboratory conditions.

2010_08_30 Lab

A Dataset, FLEA - 13 years, 8 months ago

Shared By: EDWARD BALABAN

Dataset collected in laboratory conditions on actuators with a jammed ballscrew return channel and actuators with a failed motor.

08-05-2010 UH60

A Dataset, FLEA - 13 years ago

Shared By: EDWARD BALABAN

Data collected on a UH-60 helicopter on nominal (Y) and jam-injected (X) actuators.

Airborne Electro-Mechanical Actuator Test Stand for Development of Prognostic Health Management Systems

A Publication, FLEA - 13 years, 9 months ago

Shared By: Sriram Narasimhan

With the advent of the next generation of aerospace systems equipped with fly-by-wire controls, electromechanical actuators (EMA) are quickly becoming components critical to safety of ...

Combining Model-Based and Feature-Driven Diagnosis Approaches – A Case Study on Electromechanical Actuators

A Publication, FLEA - 13 years, 9 months ago

Shared By: Sriram Narasimhan

Model-based diagnosis typically uses analytical redundancy to compare predictions from a model against observations from the system being diagnosed. However this approach does not work ...