FLUID STATE HYDRAULIC DAMPER

reportActive / Technical Report | Accession Number: AD0651104 | Open PDF

Abstract:

The report covers the developmental work accomplished on a program to demonstrate the feasibility of using fluidic sensing amplification and signal shaping techniques to mechanize a single-axis, rate feedback damper system for VSTOL aircraft. The specific design goal was to increase the yaw axis damping ratio of the UH-1B helicopter from 0.30 unaugmented to 0.60 augmented. The control problem was analyzed and the damper system mechanization defined through the use of analog and digital computer simulation techniques. The component hardware was designed, fabricated, and bench tested. Closed-loop system bench testing, using an analog computer to simulate the UH-1B helicopter, showed that the fluidic damper system was feasible for helicopter control system mechanization. The addition of the damper system to the simulated aircraft raised the yaw axis damping ratio from 0.30 unaugmented to 0.60 augmented.

Author(s):
Burton, Robert V. ; Carlson, Donald N. ; Heinecke, Richard L. ; St. John, Robert R.
Author Organization(s):
HONEYWELL INC MINNEAPOLIS MN AERONAUTICAL DIV
Descriptive Note:
Final rept., 1 Jul 1965-24 Jun 1966
Supplementary Note:
DOI: 10.21236/AD0651104
Pagination:
0180

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):
15-003R, USAAVLABS-TR-66-87
Contract/Grant Number(s):
DA-44-177-AMC-294(T)
Task Number(s):
1P121401A14186
Monitor Series:
TR-66-87, USAAVLABS
 Subject Terms
Joint Capability Areas:
JCA_3.1.1_Maneuver to Engage; JCA_3.1_Maneuver; JCA_3_Force Application; JCA_5_Command and Control; JCA_5.3_Planning; JCA_6_Net Centric; JCA_6.1_Information Transport; JCA_1.2.5_Lessons Learned; JCA_5.3.4_Develop Courses of Action; JCA_5.3.5_Analyze Courses of Action; JCA_5.3.3_Develop Strategy; JCA_4.1_Deployment and Distribution; JCA_6.3.3_Spectrum Management; JCA_JCA_4.1.2_Sustain the Force; JCA_1_Force Support; JCA_6.3_Net Management
Modernization Areas:
Microelectronics
Communities of Interest:
Air Platforms
Descriptor(s):
*FLIGHT CONTROL SYSTEMS, *FLUID AMPLIFIERS, *HELICOPTERS, DAMPING, FEASIBILITY STUDIES, HYDRAULIC EQUIPMENT, YAW
Field(s)/Group(s):
Flight Control and Instrumentation
Report Date:
1967 Feb 01