Results 91 to 100 of about 19,316 (165)
Annual Reports to the ESA Council ESA 110th Annual Meeting July, 2025
The Bulletin of the Ecological Society of America, EarlyView.
wiley +1 more source
Hoop/column antenna deployment mechanism overview [PDF]
, 1985 The hoop/column antenna program is directed toward the development of a cost effective, large area, self deploying reflector antenna system. Large surface area antenna systems are required in future space missions involving improved land communications ...
Allen, B. B., Butler, D. H.
core +1 more source
Advanced continuously variable transmissions for electric and hybrid vehicles [PDF]
A brief survey of past and present continuously variable transmissions (CVT) which are potentially suitable for application with electric and hybrid vehicles is presented. Discussion of general transmission requirements and benefits attainable with a CVT
Loewenthal, S. H.
core +1 more source
Overview of escalator applications in rail transit [PDF]
The difference in operating environment and in construction between escalators in transit and nontransit use, the impact of recent escalator innovations, and areas which could benefit from urban mass transportation administration sponsored research and ...
Deshpande, G., Rubenstein, L.
core +1 more source
Magnetostrictive direct drive motor [PDF]
Highly magnetostrictive materials such as Tb.3Dy.7Fe2, commercially known as TERFENOL-D, have been used to date in a variety of devices such as high power actuators and linear motors.
Dehoff, P. H., Naik, Dipak
core +1 more source
Design of a radiator shade for testing in a simulated lunar environment [PDF]
The National Aeronautics and Space Administration (NASA) and The Universities Space Research Association (USRA) have chosen the parabolic/catenary concept from their sponsored Fall 1991 lunar radiation shade project for further testing and development ...
Huff, Jaimi +2 more
core +1 more source
SRB/SLEEC (Solid Rocket Booster/Shingle Lap Extendible Exit Cone) feasibility study, volume 2. Appendix A: Design study for a SLEEC actuation system [PDF]
The results are presented of a design feasibility study of a self-contained (powered) actuation system for a Shingle Lap Extendible Exit Cone (SLEEC) for Transportation System (STS).
Thompson, D. S.
core +1 more source
Traction-drive force transmission for telerobotic joints [PDF]
A mechanism which meets the requirements of a teleoperated manipulator and those of an autonomous robot is discussed. The mechanism is a traction-drive differential that uses variable preload mechanisms.
Kuban, D. P., Williams, D. M.
core +1 more source
Artificial dexterous hand [PDF]
, 1990 An artificial dexterous hand is provided for grasping and manipulating objects. The hand includes left and right thumbs that are operatively connected to an engagement assembly which causes movement of the left and right thumbs. The left thumb has a left
Lee, Sukhan
core +2 more sources
Rotor systems research aircraft predesign study. Volume 4: Preliminary draft detail specification [PDF]
The RSRA requirements are presented in a detail specification format. Coverage of the requirements includes the following headings: (1) aircraft characteristics, (2) general features of design and construction, (3) aerodynamics, (4) structural design ...
Linden, A. W., Miller, A. N.
core +1 more source