Minimal energy configurations of gravitationally interacting rigid bodies
Sign Up to like & getrecommendations! Published in 2017 at "Celestial Mechanics and Dynamical Astronomy"
DOI: 10.1007/s10569-016-9743-7
Abstract: Consider a collection of n rigid, massive bodies interacting according to their mutual gravitational attraction. A relative equilibrium motion is one where the entire configuration rotates rigidly and uniformly about a fixed axis in $$\mathbb… read more here.
Keywords: motion; rigid bodies; energy; minimal energy ... See more keywords
Attitude Maneuver of Dual Rigid Bodies Spacecraft Using hp-Adaptive Pseudo-spectral Method
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Aeronautical and Space Sciences"
DOI: 10.1007/s42405-018-0127-y
Abstract: Abstract The spatial attitude optimal control problem of a spacecraft system with dual rigid bodies interconnected by a frictionless universal joint is considered. Based on the conservation of angular momentum, the dynamical model of the… read more here.
Keywords: system; pseudo spectral; method; rigid bodies ... See more keywords
Topology design of general tensegrity with rigid bodies
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2020.05.030
Abstract: Abstract This study presents a general approach to the topology design of tensegrities with rigid bodies. To the best of the authors’ knowledge, all existing topology design methods of tensegrities focus on tensegrities that only… read more here.
Keywords: rigid bodies; topology design; topology; general tensegrities ... See more keywords
Hyper Dual Quaternions representation of rigid bodies kinematics
Sign Up to like & getrecommendations! Published in 2020 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2020.103861
Abstract: Abstract Hyper-Dual Quaternions, HDQ, are first introduced in this paper. Utilizing the Hyper-Dual Numbers, HDN, Dual Quaternions, DQ, and hyper-dual angle, the general expression of HDQ is obtained. Rigid single- and multi-body kinematics such as… read more here.
Keywords: quaternions representation; rigid bodies; representation rigid; kinematics ... See more keywords
Transitions and singularities during slip motion of rigid bodies
Sign Up to like & getrecommendations! Published in 2018 at "European Journal of Applied Mathematics"
DOI: 10.1017/s0956792518000062
Abstract: The dynamics of moving solids with unilateral contacts are often modelled by assuming rigidity, point contacts, and Coulomb friction. The canonical example of a rigid rod with one endpoint slipping in two dimensions along a… read more here.
Keywords: motion; singularities slip; rigid bodies; motion rigid ... See more keywords
On Angular Speed Estimation of Rigid Bodies
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Control Systems Letters"
DOI: 10.1109/lcsys.2021.3090034
Abstract: The problem of estimating the angular speed of a solid body from attitude measurements is addressed. To solve this problem, we propose an observer whose dynamics are not constrained to evolve on any specific manifold.… read more here.
Keywords: speed; speed estimation; angular speed; rigid bodies ... See more keywords
Dynamic Rigid Bodies Mining and Motion Estimation Based on Monocular Camera.
Sign Up to like & getrecommendations! Published in 2022 at "IEEE transactions on cybernetics"
DOI: 10.1109/tcyb.2022.3163545
Abstract: Dynamic object perception is an important yet challenging direction in the field of robot navigation. Without any prior knowledge about motion and objects, a novel dynamic rigid bodies mining and motion estimation method based on… read more here.
Keywords: motion estimation; bodies mining; rigid bodies; dynamic rigid ... See more keywords
Geometric Spectral Algorithms for the Simulation of Rigid Bodies
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Computational and Nonlinear Dynamics"
DOI: 10.1115/1.4044925
Abstract: Lie group methods are an excellent choice for simulating differential equations evolving on Lie groups or homogeneous manifolds, as they can preserve the underlying geometric structures of the corresponding manifolds. Spectral methods are a popular… read more here.
Keywords: rigid bodies; geometric spectral; algorithms simulation; simulation ... See more keywords
Dynamic Response of a Beam Structure Excited by Sequentially Moving Rigid Bodies
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Structural Stability and Dynamics"
DOI: 10.1142/s0219455420500935
Abstract: A coupled dynamic system consisting of a supporting beam structure and multiple passing rigid bodies is seen in various engineering applications. The dynamic response of such a coupled system is qu... read more here.
Keywords: dynamic response; rigid bodies; beam structure;
Attitude Synchronization of a Group of Rigid Bodies Using Exponential Coordinates
Sign Up to like & getrecommendations! Published in 2023 at "Entropy"
DOI: 10.3390/e25060832
Abstract: Currently, managing a group of satellites or robot manipulators requires coordinating their motion and work in a cooperative way to complete complex tasks. The attitude motion coordination and synchronization problems are challenging since attitude motion… read more here.
Keywords: exponential coordinates; attitude synchronization; control law; group ... See more keywords
Free planar vibration of structures composed of rigid bodies and elastic beam segments
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DOI: 10.5937/fmet1701097r
Abstract: Many engineering structures can be modeled with a system of rigid bodies connected with elastic am segments, hence, free vibration analysis of these models of structure are of crucial importance. Many papers deal with vibration… read more here.
Keywords: beam segments; rigid bodies; vibration; paper ... See more keywords