Results 111 to 120 of about 247,136 (254)

Observed Changes in Mars Soil Thermophysical Properties Due to Rover Wheel Interactions: MER Mini-TES Observations and Applications to Upcoming Lunar Rover Exploration

The Planetary Science Journal
The Mars Exploration Rovers (MER) Spirit and Opportunity each carried a thermal infrared (IR) instrument called the Miniature Thermal Emission Spectrometer (Mini-TES) used to determine rock and soil composition and thermophysical properties. In this work,
Benjamin D. Byron, Kerri L. Donaldson Hanna, Addie Dove, Steve W. Ruff, Jean-Pierre Willams, Margaret Landis, Paul O. Hayne, Kristen A. Bennett, Jessica Sunshine, Prateek Tripathi   +9 more
doaj   +1 more source

Effects of 14 days of head‐down bed rest with or without exercise, and subsequent recovery on bone turnover, density and structure in older adults

Experimental Physiology, EarlyView.
Abstract Bed rest accelerates bone loss and may exacerbate skeletal fragility. This study examined the effects of 14 days of head‐down tilt bed rest (HDBR) with or without exercise, and subsequent recovery, on bone turnover, density and structure in older adults. Twenty‐two healthy older adults (55–65 years) completed the HDBR protocol.
Guy Hajj‐Boutros, Andréa Faust, Carmelo Mastrandrea, Vita Sonjak, Dounia Rouabhia, Gustavo Duque, Richard Kremer, Stéphanie Chevalier, Julie Lacombe, Mathieu Ferron, Tyler A. Churchward‐Venne, José A. Morais   +11 more
wiley   +1 more source

A Deep Learning Approach to Lunar Rover Global Path Planning Using Environmental Constraints and the Rover Internal Resource Status

Sensors
This research proposes a novel approach to global path and resource planning for lunar rovers. The proposed method incorporates a range of constraints, including static, time-variant, and path-dependent factors related to environmental conditions and the
Toshiki Tanaka, Heidar Malki
doaj   +1 more source

HAVEN: a hazard avoidance and VEhicular navigation system for autonomous maneuvering in the AREE venus rover

Frontiers in Mechanical Engineering
IntroductionVenus, a celestial entity historically associated with Earth, has a planetary atmosphere characterized as hellish. Throughout the history of space exploration, a finite number of spacecraft have been sent to examine this mysterious planet. Of
Arvind Mukundan, Arvind Mukundan, Arvind Mukundan, Bhardwaj Shastri, Riya Karmakar, Riya Karmakar, Pratham Chandraskhar Gade, Hsiang-Chen Wang, Hsiang-Chen Wang   +8 more
doaj   +1 more source

Planning for execution monitoring on a planetary rover [PDF]

, 1990
A planetary rover will be traversing largely unknown and often unknowable terrain. In addition to geometric obstacles such as cliffs, rocks, and holes, it may also have to deal with non-geometric hazards such as soft soil and surface breakthroughs which ...
Gat, Erann, Miller, David P., Firby, R. James   +2 more
core  

Path planning for planetary rover using extended elevation map [PDF]

, 1994
This paper describes a path planning method for planetary rovers to search for paths on planetary surfaces. The planetary rover is required to travel safely over a long distance for many days over unfamiliar terrain.
Nakatani, Ichiro, Kubota, Takashi, Yoshimitsu, Tetsuo   +2 more
core  

An Open Database of Lunar Regolith and Simulants Properties

International Journal for Numerical and Analytical Methods in Geomechanics, Volume 50, Issue 17, Page 6187-6198, 10 December 2026.
ABSTRACT Lunar regolith, the layer of unconsolidated material covering the Moon's surface, is central to the science and technology developed for the Moon, notably related to in‐situ science investigations, resource utilization, surface infrastructure, and mobility systems.
Léonie Gasteiner, Naomi Murdoch, Olfa D'Angelo   +2 more
wiley   +1 more source

Study on the Speed Stability of Wheel Drive Mechanism used in Lunar Rover

Jixie chuandong, 2015
The 3-stage planetary reducer with closed-loop control is adopted in CE-3 lunar rover wheel drive mechanism.Aiming at the problem that the speed stability of drive mechanism does not satisfy the design requirements,the factors affecting the speed ...
Xiao Jie, Zeng Lingbin, Zhang Xiaowei, Liu Dianfu, Zou Huaiwu   +4 more
doaj  

Automated Planning and Scheduling for Planetary Rover Distributed Operations

, 1999
Automated planning and Scheduling, including automated path planning, has been integrated with an Internet-based distributed operations system for planetary rover operations. The resulting prototype system enables faster generation of valid rover command
Rabideau, Gregg, Backes, Paul G., Tso, Kam S., Chien, Steve   +3 more
core  

A Field Guide to Corralling the Chaos: A Planning Framework for Using Models to Guide Opportunistic Field Studies of Natural Disturbances

Perspectives of Earth and Space Scientists, Volume 7, Issue 1, December 2026.
Abstract Watersheds regulate biogeochemical processes and provide ecosystem services to human societies, but disturbances can fundamentally alter these processes across space and time. Determining when and where to sample to capture disturbance impacts in watersheds remains a central challenge.
Peter Regier, James C. Stegen, Sundar Niroula, Brieanne Forbes, Amy E. Goldman, Nicholas D. Ward, Jake Cavaiani, Lupita Renteria, Xingyuan Chen, Allison N. Myers‐Pigg   +9 more
wiley   +1 more source