Results 111 to 120 of about 32,293 (191)

Payload-Directed Control of Geophysical Magnetic Surveys [PDF]

open access: yes, 2010
Using non-navigational (e.g. imagers, scientific) sensor information in control loops is a difficult problem to which no general solution exists. Whether the task can be successfully achieved in a particular case depends highly on problem specifics, such
Ippolito, Corey   +4 more
core   +1 more source

SRMS History, Evolution and Lessons Learned [PDF]

open access: yes, 2011
Early in the development of the Space Shuttle, it became clear that NASA needed a method of deploying and retrieving payloads from the payload bay. The Shuttle Remote Manipulator System (SRMS) was developed to fill this need. The 50 foot long robotic arm
Bains, Elizabeth, Jorgensen, Glenn
core   +1 more source

Assessment of lightweight mobile nuclear power systems [PDF]

open access: yes
A review was made of lightweight mobile nuclear power systems (LMNPS). Data cover technical feasibility studies of LMNPS and airborne vehicles, mission studies, and non-technical conditions that are required to develop and use ...
Anderson, J. L., Rom, F. E.
core   +1 more source

Modular Approach to Launch Vehicle Design Based on a Common Core Element [PDF]

open access: yes, 2010
With a heavy lift launch vehicle as the centerpiece of our nation's next exploration architecture's infrastructure, the Advanced Concepts Office at NASA's Marshall Space Flight Center initiated a study to examine the utilization of elements derived from ...
Baysinger, Mike   +4 more
core   +1 more source

Ares-I-X Stability and Control Flight Test: Analysis and Plans [PDF]

open access: yes, 2008
The flight test of the Ares I-X vehicle provides a unique opportunity to reduce risk of the design of the Ares I vehicle and test out design, math modeling, and analysis methods.
Bacon, Barton J.   +4 more
core   +1 more source

Dynamics and Control of Tethered Formation Flight Spacecraft Using the SPHERES Testbed [PDF]

open access: yes, 2015
This paper elaborates on the theory and experiment of controlling tethered spacecraft formation without depending on thrusters. In dealing with such underactuated systems, much emphasis is placed on complete decentralization of the control and ...
Chung, Soon-Jo   +2 more
core  

An Aerial-Wall Robotic Insect That Can Land, Climb, and Take Off from Vertical Surfaces. [PDF]

open access: yesResearch (Wash D C), 2023
Li Q   +12 more
europepmc   +1 more source

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