Results 111 to 120 of about 5,564,714 (250)

Simulator study of flight characteristics of a large twin-fuselage cargo transport airplane during approach and landing [PDF]

open access: yes
A six degree-of-freedom, ground-based simulator study was conducted to evaluate the low speed flight characteristics of a twin fuselage cargo transport airplane and to compare these characteristics with those of a large, single fuselage (reference ...
Deal, P. L.   +3 more
core   +1 more source

Environmental stability of intercalated graphite fibers [PDF]

open access: yes
Graphite fibers intercalated with bromine, iodine monochloride, ferric chloride, and cupric chloride were subjected to stability tests under four environments which are encountered by engineering materials in the aerospace industry: ambient laboratory ...
Gaier, J. R., Jaworske, D. A.
core   +1 more source

Stability assessment of anchor handling vessels during operations

open access: yes, 2018
To ensure safety in anchor handling operations, maintaining anchor handling vessel stability is recognized as a critical and complex task. The vessel’s stability depends primarily on the vessel’s design and operational parameters, which are expressed by the vessel’s dynamic rolling angle, static heeling angle, and capsizing angle.
Gunnu, Giriraja Sekhar, Moan, Torgeir
openaire   +1 more source

Structural modeling for control design (articulated multibody component representation) [PDF]

open access: yes
High gain, high frequency flexible responses in gimbaled multibody systems are discussed. Their origin and physical significance are described in terms of detailed mass and stiffness modeling at actuator/sensor interfaces.
Haugse, E. D.   +2 more
core   +1 more source

Nonlinear Buckling Analysis of Pipe Handling Stability of Quadruple-Joint Stand Drilling Rig

open access: yesShiyou jixie, 2019
The quadruple-joint stand ultra-deep drilling rig uses quadruple-joint stand for drilling operations, which can reduce the tripping time, shorten the drilling cycle and decrease the probability of complex accidents.
Zuo Weidong   +5 more
doaj  

An assessment of various side-stick controller/stability and control augmentation systems for night nap-of-Earth flight using piloted simulation [PDF]

open access: yes
Several night nap-of-the-earth mission tasks were evaluated using a helmet-mounted display which provided a limited field-of-view image with superimposed flight control symbology.
Aiken, E. W., Landis, K. H.
core   +1 more source

Excimer lasers [PDF]

open access: yes
The results of a two-year investigation into the possibility of developing continuous wave excimer lasers are reported. The program included the evaluation and selection of candidate molecular systems and discharge pumping techniques. The K Ar/K2 excimer
Hess, L. D.   +3 more
core   +1 more source

Human-Inspired Holistic Control for Mobile Humanoid Robots. [PDF]

open access: yesBiomimetics (Basel)
Wang Z, Ren X, Tang H, Jin H, Zhao J.
europepmc   +1 more source

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