Conceptual design and analysis of roads and road construction machinery for initial lunar base operations [PDF]
Recent developments have made it possible for scientists and engineers to consider returning to the Moon to build a manned lunar base. The base can be used to conduct scientific research, develop new space technology, and utilize the natural resources of
Banks, Joel +2 more
core +1 more source
Design of a compliant wheel for a miniature rover to be used on Mars [PDF]
The Jet Propulsion Laboratory has identified the need for a compliant wheel for a miniature martian rover vehicle. This wheel must meet requirements of minimum mass, linear radial deflection, and reliability in cryogenic conditions over a five year ...
Carroll, Mark +2 more
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Push-Pull Locomotion for Vehicle Extrication [PDF]
For applications in which unmanned vehicles must traverse unfamiliar terrain, there often exists the risk of vehicle entrapment. Typically, this risk can be reduced by using feedback from on-board sensors that assess the terrain.
Creager, Colin M. +4 more
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Design and Development of a Fourwheeled Drive Multipurpose Prime Mover for Oil Palm Plantation Mechanization [PDF]
, 2009 A new completely integrated machine system for mechanizing the field operations in the oil palm plantation in Malaysia has been successfully designed, developed and evaluated.
El Pebrian, Darius
core
SRB water impact velocity trade study [PDF]
The results of the attrition/cost studies which formulated the data base for the recommendation to reduce the Space Shuttle Solid Rocket Booster's nominal vertical water impact velocity to 85 feet per second is ...
Counter, D. N., Crockett, C. D.
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Drawbar Pull (DP) Procedures for Off-Road Vehicle Testing [PDF]
As NASA strives to explore the surface of the Moon and Mars, there is a continued need for improved tire and vehicle development. When tires or vehicles are being designed for off-road conditions where significant thrust generation is required, such as ...
Asnani, Vivake +3 more
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Soil mechanical properties at the Apollo 14 site [PDF]
, 1972 The Apollo 14 lunar landing provided a greater amount of information on the mechanical properties of the lunar soil than previous missions because of the greater area around the landing site that was explored and because a simple penetrometer device, a ...
Bromwell, Leslie G. +4 more
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Vibration-Based Recognition of Wheel-Terrain Interaction for Terramechanics Model Selection and Terrain Parameter Identification for Lugged-Wheel Planetary Rovers. [PDF]
Sensors (Basel), 2023 Lv F +6 more
europepmc +1 more source
A case study on new high-strength temporary support technology of extremely soft coal seam roadway. [PDF]
Sci Rep, 2023 Xu Z, Li C, Cao Y, Tai L, Han J.
europepmc +1 more source
Study on the mechanism and response law of fracture movement on the super-high position hard-thick strata. [PDF]
Sci Rep, 2023 Zhang G +9 more
europepmc +1 more source