Individual Aircraft Tracking Methods for Fighter Aircraft Utilizing Counting Accelerometer Data

Abstract

This paper examines two individual aircraft tracking methods for tracking crack growth in fighter aircraft utilizing counting accelerometer data. Individual aircraft tracking programs were developed for the F-4 and A-7D aircraft in conjunction with damage tolerance assessment programs conducted for these aircraft. Both the F-4 and A-7D tracking methods were based on existing counting accelerometer data acquisition systems. The F-4 tracking method utilizes an equivalent S-N curve system to calculate a damage index at a monitoring location. The A-7D tracking method utilizes regression analysis to calculate equivalent baseline hours expended at a monitoring location. Both methods then relate damage at the monitoring location to damage at other critical structural locations.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1978
Accession Number
ADA373976

Entities

People

  • Terry Gray

Organizations

  • Flight Dynamics Laboratory

Tags

Communities of Interest

  • Air Platforms
  • C4I

DTIC Thesaurus Topics

  • Accuracy
  • Acquisition
  • Aerospace Craft
  • Air Force
  • Aircrafts
  • Airframes
  • Airplanes
  • Damage Tolerance
  • Data Acquisition
  • Fighter Aircraft
  • Government Procurement
  • Governments
  • Mechanics
  • Regression Analysis
  • Standards
  • Structural Integrity
  • Vehicles

Readers

  • Geodesy
  • Robotics and Automation.
  • Statistical inference.