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Fluidically actuated soft robots have promising capabilities such as inherent compliance and user safety. The control of soft robots needs to properly handle nonlinear actuation dynamics, motion constraints, workspace limitations, and…

机器人学 · 计算机科学 2023-01-02 Filippo A. Spinelli , Robert K. Katzschmann

Space systems such as communication satellites, earth observation satellites and space telescopes require precise pointing to observe fixed targets over prolonged time. These systems typically use reaction-wheels to slew the spacecraft and…

天体物理仪器与方法 · 物理学 2017-01-27 Nikhil S. Sonawane , Jekan Thangavelautham

The use of conventional actuators in robotic systems (electric motors in particular), while often offering advantages in terms of flexibility and controllability, suffer from primary actuator failure,due to unexpected complexities in their…

系统与控制 · 电气工程与系统科学 2019-09-17 Walelign Nikshi , Randy C. Hoover , Mark D. Bedillion , Saeed Shahmiri , Jeremy Simmons

This paper introduces a novel design method that enhances the force/torque, bendability, and controllability of soft pneumatic actuators (SPAs). The complex structure of the soft actuator is simplified by approximating it as a cantilever…

机器人学 · 计算机科学 2024-04-16 Wu-Te Yang , Burak Kurkcu , Masayoshi Tomizuka

Movable antenna (MA) has been recognized as a promising technology to enhance the performance of wireless communication and sensing by enabling antenna movement. Such a significant paradigm shift from conventional fixed antennas (FAs) to…

信息论 · 计算机科学 2025-02-26 Lipeng Zhu , Wenyan Ma , Weidong Mei , Yong Zeng , Qingqing Wu , Boyu Ning , Zhenyu Xiao , Xiaodan Shao , Jun Zhang , Rui Zhang

Integrated sensing and communication (ISAC) is a key enabling technology for next-generation wireless networks. However, most existing ISAC systems rely on fixed-position antennas, which restrict performance when balancing sensing and…

信号处理 · 电气工程与系统科学 2026-05-25 Yifei Wu , Dongfang Xu , Derrick Wing Kwan Ng , Wolfgang Gerstacker , Robert Schober

We present a concept of constrained collaborative mobile agents (CCMA) system, which consists of multiple wheeled mobile agents constrained by a passive kinematic chain. This mobile robotic system is modular in nature, the passive kinematic…

机器人学 · 计算机科学 2019-09-11 Nitish Kumar , Stelian Coros

Multi-accelerator servers are increasingly being deployed in shared multi-tenant environments (such as in cloud data centers) in order to meet the demands of large-scale compute-intensive workloads. In addition, these accelerators are…

分布式、并行与集群计算 · 计算机科学 2021-10-08 Kiran Ranganath , Joshua D. Suetterlein , Joseph B. Manzano , Shuaiwen Leon Song , Daniel Wong

Collocated adaptive control of underactuated systems is still a main concern for the control community, all the more so because the collocated dynamics is no longer linear with respect to the constant base parameters. This work extends and…

系统与控制 · 计算机科学 2014-05-21 Francesco Romano , Daniele Pucci , Francesco Nori

During complex object manipulation, manipulator systems often face the configuration disconnectivity problem due to closed-chain constraints. Although regrasping can be adopted to get a piecewise connected manipulation, it is a challenging…

机器人学 · 计算机科学 2024-10-28 Wenhang Liu , Meng Ren , Kun Song , Michael Yu Wang , Zhenhua Xiong

Underactuated robots are characterized by a larger number of degrees of freedom than actuators and if they are designed with a specific mass distribution, they can be controlled by means of differential flatness theory. This structural…

机器人学 · 计算机科学 2026-04-21 Stefano Lovato , Michele Tonan , Matteo Bottin , Matteo Massaro , Alberto Doria , Giulio Rosati

Cross-modal alignment is crucial for multimodal representation fusion due to the inherent heterogeneity between modalities. While Transformer-based methods have shown promising results in modeling inter-modal relationships, their quadratic…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Yan Li , Yifei Xing , Xiangyuan Lan , Xin Li , Haifeng Chen , Dongmei Jiang

Movable antennas (MAs) have emerged as a disruptive technology in wireless communications for enhancing spatial degrees of freedom through continuous antenna repositioning within predefined regions, thereby creating favorable channel…

信号处理 · 电气工程与系统科学 2025-05-27 Xianlong Zeng , Jun Fang , Peilan Wang , Weidong Mei , Ying-Chang Liang

A mobile manipulator often finds itself in an application where it needs to take a close-up view before performing a manipulation task. Named this as a coupled active perception and manipulation (CAPM) problem, we model the uncertainty in…

机器人学 · 计算机科学 2023-10-02 Shuangyu Xie , Chengsong Hu , Di Wang , Joe Johnson , Muthukumar Bagavathiannan , Dezhen Song

This paper presents a data-driven model predictive control framework for mobile robots navigating in dynamic environments, leveraging Koopman operator theory. Unlike the conventional Koopman-based approaches that focus on the linearization…

机器人学 · 计算机科学 2025-10-06 Mohammad Abtahi , Navid Mojahed , Shima Nazari

Recent spacecraft mission concepts propose larger payloads that have lighter, less rigid structures. For large lightweight structures, the natural frequencies of their vibration modes may fall within the attitude controller bandwidth,…

天体物理仪器与方法 · 物理学 2024-11-04 Pedro Cachim , Will Kraus , Zachary Manchester , Pedro Lourenco , Rodrigo Ventura

Research on mobile manipulation systems that physically interact with humans has expanded rapidly in recent years, opening the way to tasks which could not be performed using fixed-base manipulators. Within this context, developing suitable…

机器人学 · 计算机科学 2026-03-27 Davide Tebaldi , Niccolò Paradisi , Fabio Pini , Luigi Biagiotti

Reluctance actuators are preferred for high-precision applications. Due to resistive losses in the coils, the accuracy of this type of actuator will reduce in quasi-static operation mode within a vacuum environment. By using soft permanent…

系统与控制 · 电气工程与系统科学 2022-12-05 W. B. Hoekwater , J. D. Wiersema1 , S. H. HosseinNia

Inertial-aided systems require continuous motion excitation among other reasons to characterize the measurement biases that will enable accurate integration required for localization frameworks. This paper proposes the use of informative…

机器人学 · 计算机科学 2022-09-13 Mitchell Usayiwevu , Fouad Sukkar , Chanyeol Yoo , Robert Fitch , Teresa Vidal-Calleja

There is a growing need for robots that can change their shape, size and mechanical properties to adapt to evolving tasks and environments. However, current shape-changing systems generally utilize bespoke, system-specific mechanisms that…

机器人学 · 计算机科学 2026-04-24 Niklas Hagemann , Daniela Rus