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This paper presents a Discrete-Time Model Predictive Controller (MPC) for humanoid walking with online footstep adjustment. The proposed controller utilizes a hierarchical control approach. The high-level controller uses a low-dimensional…

机器人学 · 计算机科学 2024-10-21 Vishnu Joshi , Suraj Kumar , Nithin V , Shishir Kolathaya

Humanoid robots that can autonomously operate in diverse environments have the potential to help address labour shortages in factories, assist elderly at homes, and colonize new planets. While classical controllers for humanoid robots have…

机器人学 · 计算机科学 2023-12-15 Ilija Radosavovic , Tete Xiao , Bike Zhang , Trevor Darrell , Jitendra Malik , Koushil Sreenath

Balancing and reacting to strong and unexpected pushes is a critical requirement for humanoid robots. We recently designed a capture point based approach which interfaces with a momentum-based torque controller and we implemented and…

机器人学 · 计算机科学 2017-05-31 Stefano Dafarra , Francesco Romano , Francesco Nori

Whole-body humanoid locomotion is challenging due to high-dimensional control, morphological instability, and the need for real-time adaptation to various terrains using onboard perception. Directly applying reinforcement learning (RL) with…

Legged manipulators extend robotic capabilities beyond static manipulation by integrating agile locomotion with versatile arm control. However, achieving precise manipulation while maintaining coordinated locomotion remains a major…

Deep Reinforcement Learning (RL) has emerged as a promising method to develop humanoid robot locomotion controllers. Despite the robust and stable locomotion demonstrated by previous RL controllers, their behavior often lacks the natural…

机器人学 · 计算机科学 2025-02-06 Qiyuan Zhang , Chenfan Weng , Guanwu Li , Fulai He , Yusheng Cai

Planning and execution of agile locomotion maneuvers have been a longstanding challenge in legged robotics. It requires to derive motion plans and local feedback policies in real-time to handle the nonholonomy of the kinetic momenta. To…

To enable safe and effective human-robot collaboration (HRC) in smart manufacturing, seamless integration of sensing, cognition, and prediction into the robot controller is critical for real-time awareness, response, and communication…

机器人学 · 计算机科学 2024-11-01 Dianhao Zhang , Mien Van , Pantelis Sopasakis , Seán McLoone

We introduce a unified approach to forecast the dynamics of human keypoints along with the motion trajectory based on a short sequence of input poses. While many studies address either full-body pose prediction or motion trajectory…

机器人学 · 计算机科学 2025-05-22 Nisarga Nilavadi , Andrey Rudenko , Timm Linder

Developing robust locomotion for humanoid robots is a complex task due to the unstable nature of these robots and also to the unpredictability of the terrain. A robust locomotion planner is one of the fundamental components for generating…

机器人学 · 计算机科学 2019-09-17 Mohammadreza Kasaei , Nuno Lau , Artur Pereira

This paper presents a generalized flexible Hybrid Cable-Driven Robot (HCDR). For the proposed HCDR, the derivation of the equations of motion and proof provide a very effective way to find items for generalized system modeling. The proposed…

机器人学 · 计算机科学 2024-10-30 Ronghuai Qi , Amir Khajepour , William W. Melek

In this paper, we introduce the humanoid robot DRACO 3 by providing a high-level description of its design and control. This robot features proximal actuation and mechanical artifacts to provide a high range of hip, knee and ankle motion.…

机器人学 · 计算机科学 2022-10-04 Seung Hyeon Bang , Carlos Gonzalez , Junhyeok Ahn , Nicholas Paine , Luis Sentis

This paper presents an integrated model-based framework for generating and executing dynamic whole-body dance motions on humanoid robots. The framework operates in two stages: offline motion generation and online motion execution, both…

Previous humanoid robot research works treat the robot as a bipedal mobile manipulation platform, where only the feet and hands contact the environment. However, we humans use all body parts to interact with the world, e.g., we sit in…

机器人学 · 计算机科学 2025-02-04 Ziwen Zhuang , Hang Zhao

We present a new open-source torque-controlled legged robot system, with a low-cost and low-complexity actuator module at its core. It consists of a high-torque brushless DC motor and a low-gear-ratio transmission suitable for impedance and…

In this paper, previous works on the Model Predictive Control (MPC) and the Divergent Component of Motion (DCM) for bipedal walking control are extended. To this end, we employ a single MPC which uses a combination of Center of Pressure…

机器人学 · 计算机科学 2017-03-01 Milad Shafiee-Ashtiani , Aghil Yousefi-Koma , Masoud Shariat-Panahi

Exoskeleton locomotion must be robust while being adaptive to different users with and without payloads. To address these challenges, this work introduces a data-driven predictive control (DDPC) framework to synthesize walking gaits for…

机器人学 · 计算机科学 2024-10-28 Kejun Li , Jeeseop Kim , Xiaobin Xiong , Kaveh Akbari Hamed , Yisong Yue , Aaron D. Ames

Remote-controlled humanoid robots can revolutionize manufacturing, construction, and healthcare industries by performing complex or dangerous manual tasks traditionally done by humans. We refer to these behaviors as Dynamic…

机器人学 · 计算机科学 2024-07-18 Amartya Purushottam , Jack Yan , Christopher Xu , Youngwoo Sim , Joao Ramos

Thanks to recent advancements in accelerating non-linear model predictive control (NMPC), it is now feasible to deploy whole-body NMPC at real-time rates for humanoid robots. However, enforcing inequality constraints in real time for such…

机器人学 · 计算机科学 2024-10-23 Charles Khazoom , Seungwoo Hong , Matthew Chignoli , Elijah Stanger-Jones , Sangbae Kim

The simulation-to-real gap problem and the high computational burden of whole-body Model Predictive Control (whole-body MPC) continue to present challenges in generating a wide variety of movements using whole-body MPC for real humanoid…

机器人学 · 计算机科学 2024-09-16 Koji Ishihara , Hiroaki Gomi , Jun Morimoto