Results 71 to 80 of about 25,960,474 (343)

Predicting Stratigraphic Outcrops Using a LiDAR Digital Elevation Model in a Karst Landscape, Fort Hood Military Installation, Texas [PDF]

, 2018
The Fort Hood Military Installation is a karst landscape characterized by Cretaceous-age limestone plateaus and canyons in Bell and Coryell counties, Texas.
Armstrong, Keely
core   +1 more source

Wheel Design and Tension Analysis for the Tethered Axel Rover on Extreme Terrain [PDF]

, 2009
As the Mars Exploration rovers have reaffirmed, some of the most interesting sites for scientists to explore on planetary surfaces lie in terrains that are currently inaccessible to state-of-the art rovers.
Abad-Manterola, Pablo, Burdick, Joel, Cecava, Johanna, Nesnas, Issa A. D.   +3 more
core   +1 more source

Hard‐Magnetic Soft Millirobots in Underactuated Systems

Advanced Robotics Research, EarlyView.
This review provides a comprehensive overview of hard‐magnetic soft millirobots in underactuated systems. It examines key advances in structural design, physics‐informed modeling, and control strategies, while highlighting the interplay among these domains.
Qiong Wang, Zixuan Zhang, Bingyan Li, Junkai Wang, Hongcheng Gu   +4 more
wiley   +1 more source

TTA-GEP: Terrain Traversability Analysis with Geometry and Environmental Perception for the Path Planning of Planetary Rovers

International Journal of Aerospace Engineering, 2023
Terrain traversability analysis (TTA), the key to the navigation of planetary rovers, is significant to the safety of the rover. Therefore, owing to its complexity, the Martian terrain is worth analysing comprehensively based on the terrain variability ...
Li Yang, Chao Liang, Ximing He, Dengyang Zhao   +3 more
doaj   +1 more source

Survey of Terrain-Aided Navigation Methods for Underwater Vehicles

IEEE Access, 2023
The prerequisite for underwater vehicles to accomplish various underwater tasks is to obtain real-time position information about themselves in the underwater environment using internal or external sensors, which is known as underwater positioning and ...
Gang Fan, Ya Zhang, Zehui Yuan, Furong Wang, Yixing Li, Xiujin Zhang, Jianing Li   +6 more
doaj   +1 more source

Nonlocomotory Robotic Strategies for Dynamic Rotation Control in Terrestrial Robots: A Review

Advanced Robotics Research, EarlyView.
Terrestrial robots increasingly require rapid body rotation to maintain stability and agility in complex environments. This review shows nonlocomotory rotational control strategies that operate without ground contact, including reaction wheels, tails, bars, limbs, and thrusters.
Y. Liang, J. An, X. Zheng, D. Wang, S. Wang, X. Wang, P. Zhu, J. Pei, S. Li, J. Paripurana, Y. Han, Z. Tang, X. Gan, Q. He, X. Ma   +14 more
wiley   +1 more source

Robust Land-Surface Parameterisation for Repeated Topographic Surveys in Dynamic Environments with Adaptive State-Space Models

Remote Sensing
The proliferation of unmanned aerial vehicles has enabled cost-effective topographic surveys to be collected at high frequencies. However, terrain analyses rarely take advantage of the information provided by repeated observations.
Daniel R. Newman, Yuichi S. Hayakawa
doaj   +1 more source

Fast approximation of visibility dominance using topographic features as targets and the associated uncertainty [PDF]

, 2003
An approach to reduce visibility index computation time andmeasure the associated uncertainty in terrain visibility analysesis presented. It is demonstrated that the visibility indexcomputation time in mountainous terrain can be reduced substantially ...
Rana, S
core   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

Advanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

Navigation on the Line: Traversability Analysis and Path Planning for Extreme-Terrain Rappelling Rovers

IEEE/RJS International Conference on Intelligent RObots and Systems, 2020
Many areas of scientific interest in planetary exploration, such as lunar pits, icy-moon crevasses, and Martian craters, are inaccessible to current wheeled rovers.
M. Paton, Marlin P. Strub, T. Brown, Rebecca J. Greene, Jacob Lizewski, Vandan Patel, J. Gammell, I. Nesnas   +7 more
semanticscholar   +1 more source