Structural Mode Frequencies of FOG-M (Fiber Optics Guided-Missile) Actuator/Fin

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Abstract:

An earlier report examined the pneumatic servo stiffness as a potential cause of marginal fin flutter mode stability. In this analysis, the bending stiffness of the vane, vaneactuator shaft, vane and actuator bearing combination is examined. It is shown that there exists a predominant 50 Hz mode which is caused by the fin structure and the radial type spring of the fin base into which the actuator shaft is inserted.

Author(s):
Welford, Gordon D.
Author Organization(s):
ARMY MISSILE COMMAND REDSTONE ARSENAL AL GUIDANCE AND CONTROL DIRECTORATE
Descriptive Note:
Technical rept. Oct-Dec 1984
Pagination:
0041

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release
Distribution Statement:
Approved For Public Release; Distribution Is Unlimited.

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
AMSMI/TR-RD-GC-88-22
Monitor Series:
AMSMI
 Subject Terms
Joint Capability Areas:
JCA_1.2_Force Preparation; JCA_1_Force Support; JCA_5_Command and Control; JCA_5.3_Planning; JCA_3.2_Engagement; JCA_3_Force Application; JCA_3.2.1_Kinetic Means
Communities of Interest:
Weapons Technologies
Descriptor(s):
*PNEUMATIC SERVOMECHANISMS, *PNEUMATIC ACTUATORS, *STIFFNESS, *STABILITY, *FINS, *FLUTTER, *GUIDED MISSILE COMPONENTS, *BENDING, SHAFTS(MACHINE ELEMENTS), JOINTS, HINGES, MATHEMATICAL ANALYSIS, ALUMINUM, COMPARISON, MATERIALS, STRUCTURAL PROPERTIES, VIBRATION, FOLDING FINS(ROCKETS), TEST AND EVALUATION, FREQUENCY
Field(s)/Group(s):
Hydraulic and Pneumatic Equipment, Guided Missile Dynamics, Configurations and Control Surfaces, Mechanics
Keyword(s):
*FOG M MISSILES(FIBER OPTICS GUIDED MISSILES), SBI1, FISCAL YEAR 1989
Report Date:
1988 Nov 01