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Active soft bodies can affect their shape through an internal actuation mechanism that induces a deformation. Similar to recent work, this paper utilizes a differentiable, quasi-static, and physics-based simulation layer to optimize for…

计算机视觉与模式识别 · 计算机科学 2024-01-29 Lingchen Yang , Byungsoo Kim , Gaspard Zoss , Baran Gözcü , Markus Gross , Barbara Solenthaler

In this article, the control problem of one section pneumatically actuated soft robotic arm is investigated in detail. To date, extensive prior work has been done in soft robotics kinematics and dynamics modeling. Proper controller designs…

机器人学 · 计算机科学 2021-10-12 Milad Azizkhani , Isuru S. Godage , Yue Chen

We present a new approach to transfer grasp configurations from prior example objects to novel objects. We assume the novel and example objects have the same topology and similar shapes. We perform 3D segmentation on these objects using…

机器人学 · 计算机科学 2018-10-30 Hao Tian , Changbo Wang , Dinesh Manocha , Xinyu Zhang

In this paper, we introduce a frequency-domain approach to extract information on the trajectory of a moving point source. The method hinges on the analysis of multi-frequency near-field data recorded at one and sparse observation points in…

数值分析 · 数学 2025-08-25 Guanqiu Ma , Hongxia Guo , Guanghui Hu

Induction-transduction of activating-deactivating points are fundamental mechanisms of action that underlie innumerable systems and phenomena, mathematical, natural, and anthropogenic, and can exhibit complex behaviors such as…

动力系统 · 数学 2022-06-07 Caleb Deen Bastian , Herschel Rabitz

The availability of large spatial data geocoded at accurate locations has fueled a growing interest in spatial modeling and analysis of point processes. The proposed research is motivated by the intensity estimation problem for large…

应用统计 · 统计学 2021-07-19 Lihao Yin , Huiyan Sang

Experiments aimed at searching for variations in the fine-structure constant $\alpha$ are based on spectroscopy of transitions in microscopic bound systems, such as atoms and ions, or resonances in optical cavities. The sensitivities of…

原子物理 · 物理学 2023-05-22 Beata Zjawin , Marcin Bober , Roman Ciuryło , Daniel Lisak , Michał Zawada , Piotr Wcisło

Stochastic Spatio-Temporal processes are prevalent across domains ranging from modeling of plasma to the turbulence in fluids to the wave function of quantum systems. This letter studies a measure-theoretic description of such systems by…

最优化与控制 · 数学 2021-05-25 George I. Boutselis , Ethan N. Evans , Marcus A. Pereira , Evangelos A. Theodorou

This paper proposes a method to vibration analysis in order to on-line monitoring of milling process quality. Adapting envelope analysis to characterize the milling tool materials is an important contribution to the qualitative and…

其他计算机科学 · 计算机科学 2012-01-24 Claudiu-Florinel Bisu , Alain Gérard , Miron Zapciu , Olivier Cahuc

We discuss the implementation details and the numerical performance of the recently introduced nonconforming Trefftz virtual element method for the 2D Helmholtz problem. In particular, we present a strategy to significantly reduce the…

数值分析 · 数学 2019-02-20 L. Mascotto , I. Perugia , A. Pichler

Heat transfer in the human eyeball, a complex organ, is significantly influenced by various pathophysiological and external parameters. Particularly, heat transfer critically affects fluid behavior within the eye and ocular drug delivery…

偏微分方程分析 · 数学 2024-10-14 Thomas Saigre , Christophe Prud'Homme , Marcela Szopos

Control of quantum systems via time-varying external fields optimized to maximize a fidelity measure at a given time is a mainstay in modern quantum control. However, save for specific systems, current analysis techniques for such quantum…

量子物理 · 物理学 2024-01-10 Sean Patrick O'Neil , Edmond Jonckheere , Sophie Schirmer

In this paper we consider a robust identification problem for a linear dynamical control system with limited-frequency intervals. In mathematical terms, this is the problem of recovering functions in Hardy spaces. Our purpose is to bound…

复变函数 · 数学 2007-05-23 Gomari Buanani Naufal

The effect of inaccuracies in the parameters of a dynamic Bayesian network can be investigated by subjecting the network to a sensitivity analysis. Having detailed the resulting sensitivity functions in our previous work, we now study the…

人工智能 · 计算机科学 2012-07-02 Theodore Charitos , Linda C. van der Gaag

In many robot control problems, factors such as stiffness and damping matrices and manipulability ellipsoids are naturally represented as symmetric positive definite (SPD) matrices, which capture the specific geometric characteristics of…

机器人学 · 计算机科学 2020-10-14 Fares J. Abu-Dakka , Ville Kyrki

Online algorithms for detecting changepoints, or abrupt shifts in the behavior of a time series, are often deployed with limited resources, e.g., to edge computing settings such as mobile phones or industrial sensors. In these scenarios it…

机器学习 · 统计学 2021-07-27 Gregory W. Gundersen , Diana Cai , Chuteng Zhou , Barbara E. Engelhardt , Ryan P. Adams

Dynamic motions are a key feature of robotic arms, enabling them to perform tasks quickly and efficiently. Soft continuum manipulators do not currently consider dynamic parameters when operating in task space. This shortcoming makes…

机器人学 · 计算机科学 2022-10-19 Oliver Fischer , Yasunori Toshimitsu , Amirhossein Kazemipour , Robert K. Katzschmann

Active vibration control has been introduced and used as one of the effective approaches to suppress unwanted vibrations in different systems. Effective performance of each vibration control method is contingent to accurate design and…

系统与控制 · 计算机科学 2016-01-25 Gong Zuo , Li Wong

In this letter, we describe a very general procedure to obtain a causal fit of the permittivity of materials from experimental data with very few parameters. Unlike other closed forms proposed in the literature, the particularity of this…

光学 · 物理学 2017-04-05 Mauricio Garcia-Vergara , Guillaume Demésy , Frédéric Zolla

Panel-based, kernel-split quadrature is currently one of the most efficient methods available for accurate evaluation of singular and nearly singular layer potentials in two dimensions. However, it can fail completely for the layer…

数值分析 · 数学 2021-08-04 Fredrik Fryklund , Ludvig af Klinteberg , Anna-Karin Tornberg