A Method for Utilizing Commercially Available Sensors to Investigate Magnetic Field Perturbations Associated with Ballistic Events

Abstract

This report presents an architectural framework for utilizing commercially available magnetic sensors to investigate magnetic field perturbations associated with ballistic events. Specifically, the Honeywell HMC1043 three-axis magnetoresistive field sensor is considered along with required circuitry to provide signal offset compensation, signal amplification, and set/reset strap capability. Conditions are quantified for which active offset compensation is desirable, and a method for achieving this compensation is discussed along with the constraints that active compensation imposes on signal amplification. A method for realizing optimal magnetic sensor performance through sensor conditioning set/reset operations is presented. A scheme for integrating an array of 32 HMC1043 magnetic field sensors into a microprocessor-controlled data acquisition and storage system is outlined, and fabrication details are provided.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 2011
Accession Number
ADA548690

Entities

People

  • Thomas Kottke

Organizations

  • United States Army Research Laboratory

Tags

Communities of Interest

  • Advanced Electronics
  • Sensors

DTIC Thesaurus Topics

  • Acquisition
  • Amplification
  • Amplifiers
  • Circuit Boards
  • Compensation
  • Data Acquisition
  • Diagrams
  • Fabrication
  • Field Effect Transistors
  • Magnetic Detectors
  • Magnetic Domains
  • Magnetic Fields
  • Magnetic Materials
  • Materials
  • Operational Amplifiers
  • Printed Circuits
  • Schematic Diagrams

Fields of Study

  • Physics

Readers

  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.
  • Materials Science and Engineering.
  • Systems Analysis and Design