Results 11 to 20 of about 66,871 (310)

Algorithms for Mobile Robot Localization and Mapping, Incorporating Detailed Noise Modeling and Multi-scale Feature Extraction [PDF]

open access: yes, 2006
Mobile robot localization and mapping in unknown environments is a fundamental requirement for effective autonomous navigation. Three different approaches to localization and mapping are presented.
Pfister, Samuel Thomas
core   +1 more source

Contact Analysis of Mobility Devices Based on Tension

open access: yesModelling, 2021
Advances in space technology have opened up opportunities for human beings to work in outer space. It is expected that the upsizing of manned space facilities, such as the International Space Station, will further this trend.
Satoshi Takayama   +2 more
doaj   +1 more source

Task Planning of Space-Robot Clusters Based on Modified Differential Evolution Algorithm

open access: yesApplied Sciences, 2020
This study studies the problem of on-orbit maintenance task planning for space-robot clusters. Aiming at the problem of low maintenance efficiency of space-robot cluster task-planning, this study proposes a cluster-task-planning method based on energy ...
Pengfei Xiao   +3 more
doaj   +1 more source

Terrain Adaptability Mechanism of Large Ruminants’ Feet on the Kinematics View

open access: yesApplied Bionics and Biomechanics, 2015
Ruminants live in various parts of land. Similar cloven hooves assist ruminants in adapting to different ground environment during locomotion. This paper analyzes the general terrain adaptability of the feet of ruminants using kinematics of the ...
Qun Zhang, Xilun Ding, Kun Xu
doaj   +1 more source

An Innovate Detumbling Method for a Non-Cooperative Space Target via Repeated Tentative Contacts

open access: yesIEEE Access, 2022
On-orbit removing tumbling targets is a critical research issue for future space missions. Repeated tentative contacts by the robot can be used to eliminate the rotational motion of a tumbling target.
Dejia Che, Zixuan Zheng, Jianping Yuan
doaj   +1 more source

Design and Operational Elements of the Robotic Subsystem for the e.deorbit Debris Removal Mission

open access: yesFrontiers in Robotics and AI, 2018
This paper presents a robotic capture concept that was developed as part of the e.deorbit study by ESA. The defective and tumbling satellite ENVISAT was chosen as a potential target to be captured, stabilized, and subsequently de-orbited in a controlled ...
Steffen Jaekel   +17 more
doaj   +1 more source

Design and Simulation of On-Orbit Assembly System Based on Insect-Inspired Transportation

open access: yesBiomimetics, 2023
In response to the requirements of large-scale space in-orbit assembly and the special environment of low gravity in space, this paper proposes a small robot structure with the integration of assembly, connection, and vibration reduction functionalities.
Yuetian Shi   +5 more
doaj   +1 more source

Vision-based navigation and guidance for small Mars UAVs

open access: yesNihon Kikai Gakkai ronbunshu, 2014
Mars airplane is one of the candidate payloads of JAXA's next Mars exploration program. Airborne observation of Mars is expected to fill the “gap” between rovers, which provides a detailed observation but a limited area of coverage, and orbiters ...
Kentaro ARAI   +3 more
doaj   +1 more source

Model Predictive Control With Integral Compensation for Motion Control of Robot Manipulator in Joint and Task Spaces

open access: yesIEEE Access, 2020
The motion control of robot manipulators is a crucial problem concerning automatically controlled robots. In this work, the model predictive control method with an integral compensation (MPC-I), which compensates for the matched uncertainties due to ...
Yuhan Chen   +4 more
doaj   +1 more source

Multi-Objective PSO with Variable Number of Dimensions for Space Robot Path Optimization

open access: yesAlgorithms, 2023
This paper aims to solve the space robot pathfinding problem, formulated as a multi-objective (MO) optimization problem with a variable number of dimensions (VND).
Petr Kadlec
doaj   +1 more source

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