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This paper presents reinforcement learning (RL) policies for dynamic quadrupedal locomotion in planetary exploration scenarios. Building on a taskoptimized quadruped with a 5-bar leg design, we develop RL policies for walking, vertical…

机器人学 · 计算机科学 2026-05-26 Jørgen Anker Olsen , Kostas Alexis

Bike-sharing systems (BSS) provide a sustainable urban mobility solution, but ensuring their reliability requires effective rebalancing strategies to address stochastic demand and prevent station imbalances. This paper proposes…

机器学习 · 计算机科学 2025-11-27 Jiaqi Liang , Defeng Liu , Sanjay Dominik Jena , Andrea Lodi , Thibaut Vidal

High-speed legged locomotion struggles with stability and transfer losses at higher command velocities during deployment. One reason is that most curricula vary difficulty along single axis, for example increase the range of command…

机器人学 · 计算机科学 2026-03-17 Prakhar Mishra , Amir Hossain Raj , Xuesu Xiao , Dinesh Manocha

Multi-behavior recommendation faces a critical challenge in practice: auxiliary behaviors (e.g., clicks, carts) are often noisy, weakly correlated, or semantically misaligned with the target behavior (e.g., purchase), which leads to biased…

信息检索 · 计算机科学 2026-01-22 Miaomiao Cai , Zhijie Zhang , Junfeng Fang , Zhiyong Cheng , Xiang Wang , Meng Wang

Deep reinforcement learning (DRL) has emerged as a promising solution to mastering explosive and versatile quadrupedal jumping skills. However, current DRL-based frameworks usually rely on pre-existing reference trajectories obtained by…

机器人学 · 计算机科学 2024-10-28 Vassil Atanassov , Jiatao Ding , Jens Kober , Ioannis Havoutis , Cosimo Della Santina

Visual navigation is a core challenge in Embodied AI, requiring autonomous agents to translate high-dimensional sensory observations into continuous, long-horizon action trajectories. While generative policies based on diffusion models and…

机器人学 · 计算机科学 2026-05-28 Wuyang Luan , Junhui Li , Weiguang Zhao , Wenjian Zhang , Tieru Wu , Rui Ma

This paper introduces a new approach to enhance the robustness of humanoid walking under strong perturbations, such as substantial pushes. Effective recovery from external disturbances requires bipedal robots to dynamically adjust their…

机器人学 · 计算机科学 2024-11-05 Tobias Egle , Yashuai Yan , Dongheui Lee , Christian Ott

Effective bipedal locomotion in dynamic environments, such as cluttered indoor spaces or uneven terrain, requires agile and adaptive movement in all directions. This necessitates omnidirectional terrain sensing and a controller capable of…

机器人学 · 计算机科学 2026-03-18 Mohitvishnu S. Gadde , Pranay Dugar , Ashish Malik , Alan Fern

This work focuses on sampling strategies of configuration variations for generating robust universal locomotion policies for quadrupedal robots. We investigate the effects of sampling physical robot parameters and joint…

机器人学 · 计算机科学 2025-10-09 David Rytz , Kim Tien Ly , Ioannis Havoutis

Controlled execution of dynamic motions in quadrupedal robots, especially those with articulated soft bodies, presents a unique set of challenges that traditional methods struggle to address efficiently. In this study, we tackle these…

机器人学 · 计算机科学 2024-03-05 Francecso Vezzi , Jiatao Ding , Antonin Raffin , Jens Kober , Cosimo Della Santina

We present a framework to generate periodic trajectory references for a 3D under-actuated bipedal robot, using a linear inverted pendulum (LIP) based controller with adaptive neural regulation. We use the LIP template model to estimate the…

机器人学 · 计算机科学 2022-08-04 Victor Paredes , Ayonga Hereid

It is well-known that inverse dynamics models can improve tracking performance in robot control. These models need to precisely capture the robot dynamics, which consist of well-understood components, e.g., rigid body dynamics, and effects…

机器人学 · 计算机科学 2022-05-30 Moritz Reuss , Niels van Duijkeren , Robert Krug , Philipp Becker , Vaisakh Shaj , Gerhard Neumann

Real-time constraint satisfaction for robots can be quite challenging due to the high computational complexity that arises when accounting for the system dynamics and environmental interactions, often requiring simplification in modelling…

机器人学 · 计算机科学 2021-05-24 Pravin Dangol , Alireza Ramezani

Bipedal locomotion control is essential for humanoid robots to navigate complex, human-centric environments. While optimization-based control designs are popular for integrating sophisticated models of humanoid robots, they often require…

机器人学 · 计算机科学 2024-09-25 Qianzhong Chen , Junheng Li , Sheng Cheng , Naira Hovakimyan , Quan Nguyen

Very often when studying non-equilibrium systems one is interested in analysing dynamical behaviour that occurs with very low probability, so called rare events. In practice, since rare events are by definition atypical, they are often…

统计力学 · 物理学 2021-01-06 Dominic C. Rose , Jamie F. Mair , Juan P. Garrahan

In this paper, we propose a multi-domain control parameter learning framework that combines Bayesian Optimization (BO) and Hybrid Zero Dynamics (HZD) for locomotion control of bipedal robots. We leverage BO to learn the control parameters…

机器人学 · 计算机科学 2022-03-08 Lizhi Yang , Zhongyu Li , Jun Zeng , Koushil Sreenath

Learning-based methods have improved locomotion skills of quadruped robots through deep reinforcement learning. However, the sim-to-real gap and low sample efficiency still limit the skill transfer. To address this issue, we propose an…

机器人学 · 计算机科学 2024-03-19 Haojie Shi , Tingguang Li , Qingxu Zhu , Jiapeng Sheng , Lei Han , Max Q. -H. Meng

Developing bipedal football robots in dynamiccombat environments presents challenges related to motionstability and deep coupling of multiple tasks, as well ascontrol switching issues between different states such as up-right walking and…

机器人学 · 计算机科学 2026-04-22 Yulai Zhang , Yinrong Zhang , Ting Wu , Linqi Ye

Wheeled-legged robots combine the efficiency of wheeled robots when driving on suitably flat surfaces and versatility of legged robots when stepping over or around obstacles. This paper introduces a planning and control framework to realise…

机器人学 · 计算机科学 2020-03-10 Songyan Xin , Sethu Vijayakumar

Sprawling locomotion in vertebrates, particularly salamanders, demonstrates how body undulation and spinal mobility enhance stability, maneuverability, and adaptability across complex terrains. While prior work has separately explored…