On the use of absolute interface coordinates in the floating frame of reference formulation for flexible multibody dynamics [0.03%]
基于绝对界面坐标浮动参考系形式化方法的柔性多体系统动力学研究
Marcel Ellenbroek,Jurnan Schilder
Marcel Ellenbroek
In this work a new formulation for flexible multibody systems is presented based on the floating frame formulation. In this method, the absolute interface coordinates are used as degrees of freedom. To this end, a coordinate transformation ...
A modal derivatives enhanced Rubin substructuring method for geometrically nonlinear multibody systems [0.03%]
一种模态导数增强的Rubin子结构方法在几何非线性多体系统中的应用
Long Wu,Paolo Tiso,Konstantinos Tatsis et al.
Long Wu et al.
This paper presents a novel model order reduction technique for 3D flexible multibody systems featuring nonlinear elastic behavior. We adopt the mean-axis floating frame approach in combination with an enhanced Rubin substructuring techniqu...
A frequency domain approach for parameter identification in multibody dynamics [0.03%]
基于频域的多体系统动力学参数识别方法研究
Stefan Oberpeilsteiner,Thomas Lauss,Wolfgang Steiner et al.
Stefan Oberpeilsteiner et al.
The adjoint method shows an efficient way to incorporate inverse dynamics to engineering multibody applications, as, e.g., parameter identification. In case of the identification of parameters in oscillating multibody systems, a combination...
The discrete adjoint method for parameter identification in multibody system dynamics [0.03%]
多体系统动力学中参数识别的离散伴随方法
Thomas Lauß,Stefan Oberpeilsteiner,Wolfgang Steiner et al.
Thomas Lauß et al.
The adjoint method is an elegant approach for the computation of the gradient of a cost function to identify a set of parameters. An additional set of differential equations has to be solved to compute the adjoint variables, which are furth...
Optimal input design for multibody systems by using an extended adjoint approach [0.03%]
广义伴随方法在多体系统最优输入设计中的应用
Stefan Oberpeilsteiner,Thomas Lauss,Karin Nachbagauer et al.
Stefan Oberpeilsteiner et al.
We present a method for optimizing inputs of multibody systems for a subsequently performed parameter identification. Herein, optimality with respect to identifiability is attained by maximizing the information content in measurements descr...
Kurt Manal,Karin Gravare-Silbernagel,Thomas S Buchanan
Kurt Manal
The real-time estimation of muscle forces could be a very valuable tool for rehabilitation. By seeing how much muscle force is being produced during rehabilitation, therapists know whether they are working within safe limits in their therap...
Graph Theoretic Foundations of Multibody Dynamics Part II: Analysis and Algorithms [0.03%]
图论的多体动力学基础（二）：分析与算法
Abhinandan Jain
Abhinandan Jain
This second, of a two part paper, uses concepts from graph theory to obtain a deeper understanding of the mathematical foundations of multibody dynamics. The first part [7] established the block-weighted adjacency (BWA) matrix structure of ...
Graph Theoretic Foundations of Multibody Dynamics Part I: Structural Properties [0.03%]
图论多体动力学的理论基础(Ⅰ)——结构特性
Abhinandan Jain
Abhinandan Jain
This is the first part of two papers that use concepts from graph theory to obtain a deeper understanding of the mathematical foundations of multibody dynamics. The key contribution is the development of a unifying framework that shows that...
Human motion planning based on recursive dynamics and optimal control techniques [0.03%]
基于递归动力学和最优控制技术的人体运动规划
Janzen Lo,Gang Huang,Dimitris Metaxas
Janzen Lo
This paper presents an efficient optimal control and recursive dynamics-based computer animation system for simulating and controlling the motion of articulated figures. A quasi-Newton nonlinear programming technique (super-linear convergen...
E Kokkevis,D Metaxas
E Kokkevis
This paper presents an efficient dynamics-based computer animation system for simulating and controlling the motion of articulated figures. A non-trivial extension of Featherstone's O(n) recursive forward dynamics algorithm is derived which...