Results 51 to 60 of about 1,847 (165)

Passive solar array orientation system /thermal heliotrope/ Final report, 23 Dec. 1968 - 23 Sep. 1969 [PDF]

open access: yes
Tracking requirement, design, and fabrication of passive solar array orientation system using bimetal ...
Byxbee, R. C., Lott, D. R.
core   +1 more source

Focus drive mechanism for the IUE scientific instrument [PDF]

open access: yes, 1977
A compact, lightweight mechanism was developed for in-orbit adjustment of the position of the secondary mirror (focusing) of the International Ultraviolet Explored telescope. This device is a linear drive with small (.0004 in.) and highly repeatable step
Dennis, T. B., Jr., Devine, E. J.
core   +1 more source

Lessons Learned from the Design, Certification, and Operation of the Space Shuttle Integrated Main Propulsion System (IMPS) [PDF]

open access: yes, 2011
The Space Shuttle Integrated Main Propulsion System (IMPS) consists of the External Tank (ET), Orbiter Main Propulsion System (MPS), and Space Shuttle Main Engines (SSMEs).
Albright, John D.   +4 more
core   +1 more source

Rapid change of friction causes the illusion of touching a receding surface. [PDF]

open access: yesJ R Soc Interface, 2023
Monnoyer J, Willemet L, Wiertlewski M.
europepmc   +1 more source

Apollo experience report: Command and service module controls and displays subsystem [PDF]

open access: yes
A review of the command and service module controls and displays subsystem is presented. The subsystem is described, and operational requirements, component history, problems and solutions, and conclusions and recommendations for the subsystem are ...
Olsen, A. B., Swint, R. J.
core   +1 more source

Towards Standardized Acquisition with a Dual-probe Ultrasound Robot for Fetal Imaging. [PDF]

open access: yesIEEE Robot Autom Lett, 2021
Housden J   +11 more
europepmc   +1 more source

Apollo experience report: Guidance and control systems. Lunar module stabilization and control system [PDF]

open access: yes
A brief functional description of the Apollo lunar module stabilization and control subsystem is presented. Subsystem requirements definition, design, development, test results, and flight experiences are discussed.
Shelton, D. H.
core   +1 more source

Push-and-Twist Drillstring Assemblies [PDF]

open access: yes, 2017
Deep drilling using a rigid drillstring requires the assembly and disassembly of multiple drill pipes. The interfaces between these pipes provide a challenge for automation because they must transmit large drilling forces and movements while, at the same
Firstbrook, David G.   +5 more
core  

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