Application of PC Based, Real-Time, Data-Acquisition System in Rotorcraft Wind-Tunnel Testing

Abstract

Data have been acquired for a rotorcraft test in the Langley Transonic Dynamics Tunnel using a desktop-data acquisition system. The system, which consists of an IBM Personal Computer AT (PC-AT) and an Omega Engineering OM-900 stand-alone interface system, is well suited for acquiring high-speed data on a limited number of channels. The data-acquisition system and the interrupt-driven software, which provides the capability for near real-time, cyclic data acquisition as well as data storage and display, are described herein. Keywords: Data-acquisition systems; Personal computers; Helicopters; Model rotor testing. (JHD)

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1989
Accession Number
ADA213083

Entities

People

  • Matthew L. Wilbur

Organizations

  • National Aeronautics and Space Administration

Tags

Communities of Interest

  • Air Platforms
  • Autonomy
  • Materials and Manufacturing Processes
  • Sensors

DTIC Thesaurus Topics

  • Acquisition
  • Central Processing Units
  • Computer Programming
  • Computer Programs
  • Computers
  • Data Acquisition
  • Data Storage Systems
  • Data Transmission
  • Dynamic Loads
  • Engineering
  • Frequency
  • High Resolution
  • Mainframe Computers
  • Measurement
  • Personal Computers
  • Strain Gages
  • Wind Tunnels

Fields of Study

  • Physics

Readers

  • Aerodynamics.
  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.