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Deep reinforcement learning (RL) based controllers for legged robots have demonstrated impressive robustness for walking in different environments for several robot platforms. To enable the application of RL policies for humanoid robots in…

Robotics · Computer Science 2022-11-01 Rohan Pratap Singh , Mehdi Benallegue , Mitsuharu Morisawa , Rafael Cisneros , Fumio Kanehiro

Legged locomotion in unstructured environments demands not only high-performance control policies but also formal guarantees to ensure robustness under perturbations. Control methods often require carefully designed reference trajectories,…

Robotics · Computer Science 2026-03-23 Vrushabh Zinage , Narek Harutyunyan , Eric Verheyden , Fred Y. Hadaegh , Soon-Jo Chung

For the deployment of legged robots in real-world environments, it is essential to develop robust locomotion control methods for challenging terrains that may exhibit unexpected deformability and irregularity. In this paper, we explore the…

Robotics · Computer Science 2025-04-21 Rohan P. Singh , Mitsuharu Morisawa , Mehdi Benallegue , Zhaoming Xie , Fumio Kanehiro

We present ZSL-RPPO, an improved zero-shot learning architecture that overcomes the limitations of teacher-student neural networks and enables generating robust, reliable, and versatile locomotion for quadrupedal robots in challenging…

Robotics · Computer Science 2024-03-05 Yao Zhao , Tao Wu , Yijie Zhu , Xiang Lu , Jun Wang , Haitham Bou-Ammar , Xinyu Zhang , Peng Du

Robust closed-loop locomotion remains challenging for soft quadruped robots due to high-dimensional dynamics, actuator hysteresis, and difficult-to-model contact interactions, while conventional proprioception provides limited information…

Robotics · Computer Science 2026-02-16 Storm de Kam , Ebrahim Shahabi , Cosimo Della Santina

Reinforcement learning (RL) has enabled robust quadruped locomotion over complex terrain, but most learned controllers are trained offline with backpropagation in massively parallel simulation and deployed as fixed policies, limiting…

Neural and Evolutionary Computing · Computer Science 2026-05-12 Zhuangyu Han , Abhronil Sengupta

Pedipulation leverages the feet of legged robots for mobile manipulation, eliminating the need for dedicated robotic arms. While previous works have showcased blind and task-specific pedipulation skills, they fail to account for static and…

Robotics · Computer Science 2024-11-05 Jonas Stolle , Philip Arm , Mayank Mittal , Marco Hutter

Recent advances in deep reinforcement learning (RL) based techniques combined with training in simulation have offered a new approach to developing robust controllers for legged robots. However, the application of such approaches to real…

Robotics · Computer Science 2023-08-08 Rohan Pratap Singh , Zhaoming Xie , Pierre Gergondet , Fumio Kanehiro

This paper proposes a modular framework to generate robust biped locomotion using a tight coupling between an analytical walking approach and deep reinforcement learning. This framework is composed of six main modules which are…

Robotics · Computer Science 2021-12-23 Mohammadreza Kasaei , Miguel Abreu , Nuno Lau , Artur Pereira , Luis Paulo Reis

Autonomous navigation in underwater environments remains a major challenge due to the absence of GPS, degraded visibility, and the presence of submerged obstacles. This article investigates these issues through the case of the BlueROV2, an…

Machine Learning · Computer Science 2025-12-12 Zamirddine Mari , Mohamad Motasem Nawaf , Pierre Drap

Despite recent advances in robust locomotion, bipedal robots operating in the real world remain at risk of falling. While most research focuses on preventing such events, we instead concentrate on the phenomenon of falling itself.…

Robotics · Computer Science 2025-11-14 Pascal Strauch , David Müller , Sammy Christen , Agon Serifi , Ruben Grandia , Espen Knoop , Moritz Bächer

Vision-Language-Action (VLA) models excel in robotic manipulation but are constrained by their heavy reliance on expert demonstrations, leading to demonstration bias and limiting performance. Reinforcement learning (RL) is a vital…

Robotics · Computer Science 2025-12-02 Senyu Fei , Siyin Wang , Li Ji , Ao Li , Shiduo Zhang , Liming Liu , Jinlong Hou , Jingjing Gong , Xianzhong Zhao , Xipeng Qiu

Quadruped robots are designed to achieve agile and robust locomotion by drawing inspiration from legged animals. However, most existing control methods for quadruped robots lack a key capacity observed in animals: the ability to exhibit…

Robotics · Computer Science 2026-03-10 Aoqian Zhang , Zixuan Zhuang , Chunzheng Wang , Shuzhi Sam Ge , Fan Shi , Cheng Xiang

Reinforcement learning (RL), driven by data-driven methods, has become an effective solution for robot leg motion control problems. However, the mainstream RL methods for bipedal robot terrain traversal, such as teacher-student policy…

Robotics · Computer Science 2025-08-05 Haodong Huang , Shilong Sun , Yuanpeng Wang , Chiyao Li , Hailin Huang , Wenfu Xu

The deployment of complex soft robots in multiphysics environments requires advanced simulation frameworks that not only capture interactions between different types of material, but also translate accurately to real-world performance. Soft…

Robotics · Computer Science 2026-03-09 Manuel Mekkattu , Mike Y. Michelis , Robert K. Katzschmann

Designing robots capable of traversing uneven terrain and overcoming physical obstacles has been a longstanding challenge in the field of robotics. Walking robots show promise in this regard due to their agility, redundant DOFs and…

Robotics · Computer Science 2025-03-04 Harshita Mhaske , Aniket Mandhare , Jidong Huang , Yu Bai

Deep reinforcement learning (RL) uses model-free techniques to optimize task-specific control policies. Despite having emerged as a promising approach for complex problems, RL is still hard to use reliably for real-world applications. Apart…

Robotics · Computer Science 2020-02-25 Siddhant Gangapurwala , Alexander Mitchell , Ioannis Havoutis

This work employs a reinforcement learning-based model identification method aimed at enhancing the accuracy of the dynamics for our snake robot, called COBRA. Leveraging gradient information and iterative optimization, the proposed…

Robotics · Computer Science 2024-07-16 Harin Kumar Nallaguntla

Loco-manipulation of quadrupedal robots has broadened robotic applications, but using legs as manipulators often compromises locomotion, while mounting arms complicates the system. To mitigate this issue, we introduce bipedalism for…

Robotics · Computer Science 2025-07-29 Yuyou Zhang , Radu Corcodel , Ding Zhao

Industry is rapidly moving towards fully autonomous and interconnected systems that can detect and adapt to changing conditions, including machine hardware faults. Traditional methods for adding hardware fault tolerance to machines involve…

Machine Learning · Computer Science 2024-07-23 Sheila Schoepp , Mehran Taghian , Shotaro Miwa , Yoshihiro Mitsuka , Shadan Golestan , Osmar Zaïane