Determining the State of a Nonlinear Flexible Multibody System Using an Unscented Kalman Filter
IEEE Access, 2022 This paper describes an estimator incorporating the Unscented Kalman Filter (UKF) technique and multibody system dynamics, to determine the state of the flexible multibody applications. The dynamic equation of the flexible mechanism is formed using a set
Manouchehr Mohammadi +4 more
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A symbolic framework to obtain mid-fidelity models of flexible multibody systems with application to horizontal-axis wind turbines [PDF]
Wind Energy Science, 2022 The article presents a symbolic framework (also called computer algebra program) that is used to obtain, in symbolic mathematical form, the linear and nonlinear equations of motion of a mid-fidelity multibody system including rigid and flexible bodies ...
E. Branlard, J. Geisler
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Multibody Systems with Flexible Elements [PDF]
Symmetry, 2021 The formalism of multibody systems offers a means of computer-assisted algorithmic analysis and a means of simulating and optimizing an arbitrary movement of a possible high number of elastic bodies in the connection [...]
Marin Marin +2 more
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Mathematics, 2022 In order to study the influence of compliance parts on spatial multibody systems, a rigid-flexible coupling dynamic equation of a spatial crank-slider mechanism is established based on the finite element method.
Xiaoyu Wang +5 more
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Flexible multibody system modelling of an aerial rescue ladder using Lagrange’s equations
Mathematical and Computer Modelling of Dynamical Systems, 2021 Due to limited weight and stiffness, large-scale robots are susceptible to structural oscillations during operation. In this publication, a model for the vertical dynamics of an aerial rescue ladder as an application example for large scale flexible ...
Simon Densborn, O. Sawodny
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Multibody System Discrete Time Transfer Matrix Method for Nonlinear Shear Dynamic analysis of Immersed Tunnels [PDF]
E3S Web of Conferences, 2021 Shear seismic response analysis is critical for seismic design of immersed tunnels. According to the structural characters of immersed tunnels and shear dynamic response of their joints, a multibody dynamic model consisting of multi-rigid body, shear ...
Shen Zhongyuan, Bai Xue
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Study on the symmetries and conserved quantities of flexible mechanical multibody dynamics
AIMS Mathematics, 2023 In this paper, in order to provides a powerful new tool for quantitative and qualitative analysis of dynamics properties in flexible mechanical multibody systems, the symmetry theory and numerical algorithms for preserving structure in modern analytical ...
Mingliang Zheng
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Applied Sciences, 2021 The use of flexible multibody simulation has increased significantly over recent years due to the increasingly lightweight nature of mechanical systems.
Roberto Belotti +3 more
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A Novel Disturbance-Free-Payload Satellite Design for High-Precision Collaborative Observation
Aerospace, 2023 High-precision collaborative observation is urgently needed due to the increasing demands of space science missions. Based on a conventional DFP (disturbance-free-payload) configuration, this paper presents a novel DFP that has great potential to deal ...
Yifan Deng +4 more
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A framework for establishing constraint Jacobian matrices of planar rigid-flexible-multibody systems
AIMS Mathematics, 2023 Constraint violation correction is an important research topic in solving multibody system dynamics. For a multibody system dynamics method which derives acceleration equations in a recursive manner and avoids overall dynamics equations, a fast and ...
Lina Zhang +5 more
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