On-line intermittent connector anomaly detection

A Publication, EDWARD BALABAN's Collection - 10 years, 3 months ago

Shared By: EDWARD BALABAN

This paper investigates a non-traditional use of differential current sensor and current sensor to detect intermittent disconnection problems in connectors. An intermittent disconnect, often resulting ...

A Model-based Avionic Prognostic Reasoner (MAPR)

A Publication, EDWARD BALABAN's Collection - 10 years, 3 months ago

Shared By: EDWARD BALABAN

The Model-based Avionic Prognostic Reasoner (MAPR) presented in this paper is an innovative solution for non-intrusively monitoring the state of health (SoH) and predicting the ...

Propulsion IVHM Technology Experiment Overview

A Publication, EDWARD BALABAN's Collection - 10 years, 4 months ago

Shared By: EDWARD BALABAN

NASA researchers recently demonstrated successful real-time fault detection and isolation of a virtual reusable launch vehicle main propulsion system. Using a detailed simulation of a ...

FLEA Data FAQ

A Dataset, FLEA - 12 years, 3 months ago

Shared By: EDWARD BALABAN

Frequently asked questions about FLEA (Flyable Electro-Mechanical Actuator) testbed data sets.

2011_11_25 Lab

A Dataset, FLEA - 12 years, 4 months ago

Shared By: EDWARD BALABAN

A data set of two-minute scenarios with a large set of motion and load profiles. Each scenario started with a nominal actuator, then, at 1-minute ...

Experimental Validation of a Prognostic Health Management System for Electro-Mechanical Actuators

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

Shared By: EDWARD BALABAN

Electro-Mechanical Actuators (EMA) are gaining prominent roles in the next generation fly-by-wire aircraft and spacecraft. With these roles often being safety-critical (control surface or landing ...

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

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

Shared By: EDWARD BALABAN

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

Shared By: EDWARD BALABAN

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 ...

Modeling, Detection, and Disambiguation of Sensor Faults for Aerospace Applications

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