The Resource Cantilever beam design for projectile internal moving mass systems, Jonathan Rogers and Mark Costello ; prepared by Georgia Institute of Technology

Cantilever beam design for projectile internal moving mass systems, Jonathan Rogers and Mark Costello ; prepared by Georgia Institute of Technology

Label
Cantilever beam design for projectile internal moving mass systems
Title
Cantilever beam design for projectile internal moving mass systems
Statement of responsibility
Jonathan Rogers and Mark Costello ; prepared by Georgia Institute of Technology
Creator
Contributor
Author
Issuing body
Subject
Language
eng
Summary
Internal masses that undergo controlled translation within a projectile have been shown to be effective control mechanisms for smart weapons. However, internal mass oscillation must occur at the projectile roll frequency to generate sufficient control force. This can lead to high power requirements and place a heavy burden on designers attempting to allocate volume within the projectile for internal mass actuators and power supplies. The work reported here outlines a conceptual design for an internal translating mass system using a cantilever beam and electromagnetic actuators. The cantilever beam acts as the moving mass, vibrating at the projectile roll frequency to generate control force. First, a dynamic model is developed to describe the system. Then, the natural frequency, damping ratio, and length of the beam are varied to study their effects on force required and total battery size. Trade studies also examine the effect on force required and total battery size of a roll-rate feedback system that actively changes beam elastic properties. Results show that with proper sizing and specifications, the cantilever beam control mechanism requires relatively small batteries and low actuator control forces, with minimum actuator complexity and space requirements
Cataloging source
DTICE
http://library.link/vocab/creatorName
Rogers, Jonathan
Government publication
federal national government publication
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
Period covered
September 2007-May 2010.
http://library.link/vocab/relatedWorkOrContributorName
  • Costello, Mark
  • U.S. Army Research Laboratory
  • Georgia Institute of Technology
http://library.link/vocab/subjectName
  • Cantilevers
  • Precision guided munitions
Target audience
adult
Type of report
Final;
Label
Cantilever beam design for projectile internal moving mass systems, Jonathan Rogers and Mark Costello ; prepared by Georgia Institute of Technology
Link
https://purl.fdlp.gov/GPO/gpo124918
Instantiates
Publication
Note
  • "ARL-CR-658."
  • "September 2010."
Bibliography note
Includes bibliographical references (pages 25-26)
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
multicolored
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Dimensions
unknown
Extent
1 online resource (vi, 35 pages)
Form of item
online
Governing access note
Approved for public release;
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
illustrations
Physical access
distribution is unlimited
Specific material designation
remote
Label
Cantilever beam design for projectile internal moving mass systems, Jonathan Rogers and Mark Costello ; prepared by Georgia Institute of Technology
Link
https://purl.fdlp.gov/GPO/gpo124918
Publication
Note
  • "ARL-CR-658."
  • "September 2010."
Bibliography note
Includes bibliographical references (pages 25-26)
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
multicolored
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Dimensions
unknown
Extent
1 online resource (vi, 35 pages)
Form of item
online
Governing access note
Approved for public release;
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
illustrations
Physical access
distribution is unlimited
Specific material designation
remote

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