Automatic Crack Measurement System.

Abstract

Previous work has resulted in an automatic crack tip distance measurement circuit. An operator minimizes this distance and pushes a 'record' switch which stores the crack position and depth data on magnetic tape. The Hill Climbing Circuits described in this report perform that operation automatically. These circuits are described in sufficient detail to be duplicated. Included in the design are an electronic binary-coded-decimal subtractor, a comparator, storage registers, and control circuits all using integrated circuits. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1975
Accession Number
ADA031014

Entities

People

  • Donald C. Winters

Tags

Communities of Interest

  • Advanced Electronics
  • Weapons Technologies

DTIC Thesaurus Topics

  • Circuit Boards
  • Circuits
  • Computer Programs
  • Crack Tips
  • Cracks
  • Data Acquisition
  • Detectors
  • Diagrams
  • Inspection
  • Integrated Circuits
  • Magnetic Tape
  • Materials
  • Materials Testing
  • Measurement
  • Printed Circuits
  • Transducers
  • Wiring Diagrams

Fields of Study

  • Physics

Readers

  • Adaptive Control and Estimation with Uncertainty in Dynamic Systems.
  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.

Technology Areas

  • Microelectronics