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The aim in this paper is to apply the iLQR, iterative Linear Quadratic Regulator, to control the movement of a mobile robot following an already defined trajectory. This control strategy has proven its utility for nonlinear systems. As…

系统与控制 · 电气工程与系统科学 2024-04-30 Ayoub Aaqaoui , Yousif Mohammed Elsheikh Mohammed

Large Language Model (LLM) inference requires substantial computational resources, yet CPU-based inference remains essential for democratizing AI due to the widespread availability of CPUs compared to specialized accelerators. However,…

硬件体系结构 · 计算机科学 2025-10-01 Jingyao Zhang , Jaewoo Park , Jongeun Lee , Elaheh Sadredini

We consider imitation learning with access only to expert demonstrations, whose real-world application is often limited by covariate shift due to compounding errors during execution. We investigate the effectiveness of the Continuity-based…

机器人学 · 计算机科学 2024-10-22 Abhay Deshpande , Liyiming Ke , Quinn Pfeifer , Abhishek Gupta , Siddhartha S. Srinivasa

Flexible robots may overcome some of the industry's major challenges, such as enabling intrinsically safe human-robot collaboration and achieving a higher payload-to-mass ratio. However, controlling flexible robots is complicated due to…

In-context learning (ICL) is a new paradigm for natural language processing that utilizes Generative Pre-trained Transformer (GPT)-like models. This approach uses prompts that include in-context demonstrations to generate the corresponding…

计算与语言 · 计算机科学 2024-01-24 Momin Abbas , Yi Zhou , Parikshit Ram , Nathalie Baracaldo , Horst Samulowitz , Theodoros Salonidis , Tianyi Chen

Large language models (LLMs) exhibit persistent miscalibration, especially after instruction tuning and preference alignment. Modified training objectives can improve calibration, but retraining is expensive. Inference-time steering offers…

机器学习 · 计算机科学 2026-02-06 Miranda Muqing Miao , Young-Min Cho , Lyle Ungar

Tilt-rotor aerial robots enable omnidirectional maneuvering through thrust vectoring, but introduce significant control challenges due to the strong coupling between joint and rotor dynamics. While model-based controllers can achieve high…

机器人学 · 计算机科学 2026-02-26 Wentao Zhang , Zhaoqi Ma , Jinjie Li , Huayi Wang , Haokun Liu , Junichiro Sugihara , Chen Chen , Yicheng Chen , Moju Zhao

This paper introduces a learning-based control framework for a soft robotic actuator system designed to modulate intracranial pressure (ICP) waveforms, which is essential for studying cerebrospinal fluid dynamics and pathological processes…

We propose a novel Model Predictive Control (MPC) framework for a jet-powered flying humanoid robot. The controller is based on a linearised centroidal momentum model to represent the flight dynamics, augmented with a second-order nonlinear…

机器人学 · 计算机科学 2025-08-11 Davide Gorbani , Giuseppe L'Erario , Hosameldin Awadalla Omer Mohamed , Daniele Pucci

We demonstrate the surprising real-world effectiveness of a very simple approach to whole-body model-predictive control (MPC) of quadruped and humanoid robots: the iterative LQR (iLQR) algorithm with MuJoCo dynamics and finite-difference…

机器人学 · 计算机科学 2026-03-09 John Z. Zhang , Taylor A. Howell , Zeji Yi , Chaoyi Pan , Guanya Shi , Guannan Qu , Tom Erez , Yuval Tassa , Zachary Manchester

In this paper, we propose, discuss, and validate an online Nonlinear Model Predictive Control (NMPC) method for multi-rotor aerial systems with arbitrarily positioned and oriented rotors which simultaneously addresses the local reference…

机器人学 · 计算机科学 2020-09-11 Davide Bicego , Jacopo Mazzetto , Ruggero Carli , Marcello Farina , Antonio Franchi

In robotic manipulation, acquiring samples is extremely expensive because it often requires interacting with the real world. Traditional image-level data augmentation has shown the potential to improve sample efficiency in various machine…

机器人学 · 计算机科学 2022-11-02 Mingxi Jia , Dian Wang , Guanang Su , David Klee , Xupeng Zhu , Robin Walters , Robert Platt

This paper presents a contact-aided inertial-kinematic floating base estimation for humanoid robots considering an evolution of the state and observations over matrix Lie groups. This is achieved through the application of a geometrically…

This work provides a complete framework for the simulation, co-optimization, and sim-to-real transfer of the design and control of soft legged robots. The compliance of soft robots provides a form of "mechanical intelligence" -- the ability…

机器人学 · 计算机科学 2022-02-10 Charles Schaff , Audrey Sedal , Matthew R. Walter

This paper introduces a learning-based visual planner for agile drone flight in cluttered environments. The proposed planner generates collision-free waypoints in milliseconds, enabling drones to perform agile maneuvers in complex…

机器人学 · 计算机科学 2025-11-21 Minwoo Kim , Geunsik Bae , Jinwoo Lee , Woojae Shin , Changseung Kim , Myong-Yol Choi , Heejung Shin , Hyondong Oh

Aerial robots can enhance their safe and agile navigation in complex and cluttered environments by efficiently exploiting the information collected during a given task. In this paper, we address the learning model predictive control problem…

机器人学 · 计算机科学 2024-01-10 Guanrui Li , Alex Tunchez , Giuseppe Loianno

The employment of unmanned aerial vehicles (UAVs) aligned with multistatic sensing in integrated sensing and communication (ISAC) systems can provide remarkable performance gains in sensing, by taking advantage of the cell-free massive…

信号处理 · 电气工程与系统科学 2024-05-13 Xavier A. Flores Cabezas , Isabella W. G. da Silva , Markku Juntti

Imitation learning provides a powerful framework for goal-conditioned visual navigation in mobile robots, enabling obstacle avoidance while respecting human preferences and social norms. However, its effectiveness depends critically on the…

机器人学 · 计算机科学 2026-02-09 Yves Inglin , Jonas Frey , Changan Chen , Marco Hutter

Accurate calibration and robust localization are fundamental for downstream tasks in spinning actuated LiDAR applications. Existing methods, however, require parameterizing extrinsic parameters based on different mounting configurations,…

机器人学 · 计算机科学 2026-01-27 Zijie Chen , Xiaowei Liu , Yong Xu , Shenghai Yuan , Jianping Li , Lihua Xie

Magnetically actuated fish-like robots offer promising solutions for underwater exploration due to their miniaturization and agility; however, precise control remains a significant challenge because of nonlinear fluid dynamics, flexible fin…

机器人学 · 计算机科学 2026-03-06 Akiyuki Koyama , Hiroaki Kawashima