Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Jack Craft"'
Autor:
M. Hedlund, B. Mellerowicz, Carol R. Stoker, Kris Zacny, C. P. McKay, Alfonso F. Davila, Brian Glass, A. Dave, Jack Craft, Jennifer L. Heldmann, Gale Paulsen, Nathalie A. Cabrol, Margarita M. Marinova
Publikováno v:
Astrobiology. 13:1166-1198
The future exploration of Mars will require access to the subsurface, along with acquisition of samples for scientific analysis and ground-truthing of water ice and mineral reserves for in situ resource utilization. The Icebreaker drill is an integra
Autor:
M. Hedlund, Timothy Szwarc, J. Shasho, Seiichi Nagihara, N. Kumar, Jack Craft, Kris Zacny, M. B. Milam, Gale Paulsen, Phil Chu, Patrick T. Taylor, E. Mumm
Publikováno v:
Earth, Moon, and Planets. 111:47-77
In this paper, the development of heat flow probes for measuring the geothermal gradient and conductivity of lunar regolith are presented. These two measurements are the required information for determining the heat flow of a planetary body. Consider
Autor:
M. Hedlund, Kris Zacny, Attila Szucs, J. R. Skok, Jack Craft, C. Santoro, Christopher B. Dreyer, Matt Szczesiak, Gale Paulsen
Publikováno v:
Advances in Space Research. 51:2181-2193
We have developed a rock grinding and polishing mechanism for in situ planetary exploration based on abrasive disks, called Grinding Rocks Into Thin Sections (GRITS). Performance characteristics and design considerations of GRITS are presented. GRITS
Autor:
Catherine Lefebvre, Nathalie A. Cabrol, Richard Leveille, Alex Koujelev, Kris Zacny, Hongwei Du, Pablo Sobron, Alian Wang, T. Haltigin, Jack Craft
Publikováno v:
Geophysical Research Letters. 40:1965-1970
[1] We performed laboratory laser-induced breakdown spectroscopy (LIBS) and laser Raman spectroscopy measurements on samples from a layered outcrop from the Atacama Desert, Chile. This outcrop is a terrestrial morphological and possibly mineralogical
Autor:
Margarita M. Marinova, Kris Zacny, Brian Glass, Gale Paulsen, W. A. Jackson, C. P. McKay, Phil Chu, Alfonso F. Davila, M. Szczesiak, Jack Craft, Wayne H. Pollard
Publikováno v:
Journal of Aerospace Engineering. 26:74-86
Future exploration of the Moon will require access to the subsurface and acquisition of samples for scientific analysis and ground truthing of water-ice and mineral reserves for in situ resource utilization purposes. The LunarVader drill described in
Autor:
M. Blumers, Ross Taylor, R. Glenn Sellar, Inge Loes ten Kate, Eric Caillibot, Daniel P. Glavin, Jack D. Farmer, Jorge I. Nunez, D. Boucher, Richard V. Morris, Janine Captain, Leanne Sigurdson, Jacqueline Quinn, John C. Hamilton, Kris Zacny, B. Bernhardt, Gabriele M. T. D'Eleuterio, Trevor G. Graff, Göstar Klingelhöfer, Gerald B. Sanders, Rob Armstrong, Jack Craft
Publikováno v:
Journal of Aerospace Engineering. 26:183-196
Within the framework of the International Lunar Surface Operation - In-Situ Resource Utilization Analogue Test held on January 27 - February 11, 2010 on the Mauna Kea volcano in Hawaii, a number of scientific instrument teams collaborated to characte
Publikováno v:
IEEE Aerospace and Electronic Systems Magazine. 25:21-26
A percussive digging system has been demonstrated to decrease the amount of downforce needed to penetrate a given soil, thus reducing the required reaction loads and robot mass. Preliminary testing of a percussive digging system in compacted lunar re
Autor:
Jack Craft, Steven Myint, Lee D. Peterson, Rudranarayan Mukherjee, Isaac H. Kim, Marc Pomerantz, Junggon Kim, Johnny Chang
Publikováno v:
Volume 7: 2nd Biennial International Conference on Dynamics for Design; 26th International Conference on Design Theory and Methodology.
In this brief paper, we present an overview of the M3tk software for modeling robotic systems. M3tk contains basic kinematics, inverse kinematics, dynamics and inverse dynamics capabilities for articulated multi-rigid body systems. Written in C++, th
Publikováno v:
Volume 6: 10th International Conference on Multibody Systems, Nonlinear Dynamics, and Control.
Offline multibody dynamics based modeling and simulation of vehicle dynamics has been pursued with varying levels of success for more than two decades. This has been used in design, controls, training, and other technical and programmatic objectives.
Publikováno v:
2014 IEEE Aerospace Conference.
The goal of the Mars2020 mission is to acquire up to 28 rock/regolith samples and 3 blanks (or 34 rock/regolith samples and 3 blanks), and cache these for the future sample return mission. Honeybee Robotics investigated three architectures; however o