Results 101 to 110 of about 22,604 (228)

Independent Orbiter Assessment (IOA): Analysis of the elevon subsystem [PDF]

open access: yes
The results of the Independent Orbiter Assessment (IOA) of the Failure Modes and Effects Analysis (FMEA) and Critical Items List (CIL) are presented. The IOA approach features a top-down analysis of the hardware to determine failure modes, criticality ...
Riccio, J. R., Wilson, R. E.
core   +1 more source

Improved active vibration isolator [PDF]

open access: yes, 1968
Active vibration isolator simultaneously isolates a flexible structure or payload from disturbances, attenuates the response of a flexible structure to transient disturbances, and maintains the equilibrium position of the payload within predetermined ...
Dixon, G. V.   +2 more
core   +1 more source

Diagnostic procedures for antenna hydraulic drive systems [PDF]

open access: yes
Diagnostic, testing, and maintenance procedures for hydraulic drive systems for large steerable ...
Lombardo, J. J.   +2 more
core   +1 more source

Redundant actuator development program [PDF]

open access: yes
Two concepts of redundant secondary actuator mechanization, applicable to future advanced flight control systems, were studied to quantitatively assess their design applicability to an AST.
Chenoweth, C. C.   +2 more
core   +1 more source

SSME-HAS dynamic load simulators [PDF]

open access: yes
The space shuttle main engine propellant valve actuators (SSME) were designed to simulate the loads reflected into the SSME by the chamber coolant valve, the fuel preburner, and the oxidizer. The design, and functional description are included along with

core   +1 more source

Television simulation for aircraft and space flight Patent [PDF]

open access: yes, 1969
Television simulation for aircraft and space ...
Conant, J. E.
core   +1 more source

The Effect of Dissolved Water on the Tribological Properties of Polyalkylene Glycol and Polyolester Oils [PDF]

open access: yes, 1994
The effect of water dissolved in polyalkylene glycol and polyolester oils on the tribological behavior of two material contact pairs in three test environments is evaluated.
Cusano, C.   +2 more
core  

Independent Orbiter Assessment (IOA): Analysis of the rudder/speed brake subsystem [PDF]

open access: yes
The results of the Independent Orbiter Assessment (IOA) of the Failure Modes and Effects Analysis (FMEA) and Critical Items List (CIL) are presented. The IOA approach features a top-down analysis of the hardware to determine failure modes, criticality ...
Riccio, J. R., Wilson, R. E.
core   +1 more source

Analysis and compensation of an aircraft simulator control loading system with compliant linkage [PDF]

open access: yes
A hydraulic control loading system for aircraft simulation was analyzed to find the causes of undesirable low frequency oscillations and loading effects in the output.
Bardusch, R. E., Johnson, P. R.
core   +1 more source

An advanced flexible dynamic model and experimental verification for armature assembly in servo valve

open access: yesResults in Engineering
The armature assembly is the core component of servo valves, making its dynamic characteristics critical to both operational performance and stability studies - particularly requiring broadband multi-modal dynamic analysis for stability investigations ...
Kun Qiao   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy