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To be useful tools in real scenarios, humanoid robots must realize tasks dynamically. This means that they must be capable of applying substantial forces, rapidly swinging their limbs, and also mitigating impacts that may occur during the…

Robotics · Computer Science 2023-07-25 Youngwoo Sim , Joao Ramos

Wearable and legged robot designers face multiple challenges when choosing actuation. Traditional fully actuated designs using electric motors are multifunctional but oversized and inefficient for bearing conservative loads and for being…

Robotics · Computer Science 2025-11-17 Jeff Denis , Frederic Laberge , Jean-Sebastien Plante , Alexandre Girard

Quadruped robots are becoming increasingly essential for various applications, including industrial inspection and catastrophe search and rescue. These scenarios require robots to possess enhanced agility and obstacle-navigation skills.…

Robotics · Computer Science 2026-03-03 Yiyang Chen , Yuxin Liu , Jinzheng Zhou , Fanxin Wang , Qinglei Bu , Jie Sun , Yikun Cheng

The heavy-load legged robot has strong load carrying capacity and can adapt to various unstructured terrains. But the large weight results in higher requirements for motion stability and environmental perception ability. In order to utilize…

Robotics · Computer Science 2025-07-31 Ze Fu , Yinghui Li , Weizhong Guo

Series elastic robots are best able to follow trajectories which obey the limitations of their actuators, since they cannot instantly change their joint forces. In fact, the performance of series elastic actuators can surpass that of ideal…

Robotics · Computer Science 2018-07-18 Rachel Schlossman , Gray C. Thomas , Orion Campbell , Luis Sentis

Balancing oneself using the spine is a physiological alignment of the body posture in the most efficient manner by the muscular forces for mammals. For this reason, we can see many disabled quadruped animals can still stand or walk even…

Robotics · Computer Science 2024-03-05 Yuhong Huang , Zhenshan Bing , Zitao Zhang , Genghang Zhuang , Kai Huang , Alois Knoll

Soft electrohydraulic actuators known as HASEL actuators have attracted widespread research interest due to their outstanding dynamic performance and high output power. However, the displacement of electrohydraulic actuators usually…

Robotics · Computer Science 2024-02-28 Quan Xiong , Xuanyi Zhou , Dannuo Li , Raye Chen-Hua Yeow

Highly articulated organisms serve as blueprints for incredibly dexterous mechanisms, but building similarly capable robotic counterparts has been hindered by the difficulties of developing electromechanical actuators with both the high…

Robotics · Computer Science 2023-10-31 Patrick Lancaster , Christoforos Mavrogiannis , Siddhartha Srinivasa , Joshua Smith

Rigid robots can be precise in repetitive tasks, but struggle in unstructured environments. Nature's versatility in such environments inspires researchers to develop biomimetic robots that incorporate compliant and contracting artificial…

Faced with complex and unstructured construction environments, wheeled and tracked robots exhibit significant limitations in terrain adaptability and flexibility, making it difficult to meet the requirements of autonomous operation.…

Robotics · Computer Science 2025-07-23 Xiao Liu , Xianlong Yang , Weijun Wang , Wei Feng

The objective of this work is to design a mechatronic bipedal robot with mobility in 3D environments. The designed robot has a total of six actuated degrees of freedom (DoF), each leg has two DoF located at the hip: one for…

Robotics · Computer Science 2021-11-22 German Vargas , Margarita Berrio , Jaime Arcos-Legarda

We present an open-source untethered quadrupedal soft robot platform for dynamic locomotion (e.g., high-speed running and backflipping). The robot is mostly soft (80 vol.%) while driven by four geared servo motors. The robot's soft body and…

Robotics · Computer Science 2025-03-17 Boxi Xia , Jiaming Fu , Hongbo Zhu , Zhicheng Song , Yibo Jiang , Hod Lipson

Legged robots promise higher versatility and the ability to traverse much more difficult terrains than their wheeled counterparts. Even though the use of legged robots have increased drastically in the last few years, they are still not…

Robotics · Computer Science 2021-05-25 Hilmar Elverhøy , Steinar Bøe , Vegard Søyseth , Tønnes Nygaard

Legged robots have the potential to become vital in maintenance, home support, and exploration scenarios. In order to interact with and manipulate their environments, most legged robots are equipped with a dedicated robot arm, which means…

Robotics · Computer Science 2024-02-19 Philip Arm , Mayank Mittal , Hendrik Kolvenbach , Marco Hutter

Dynamic and contact-rich object manipulation, such as striking, snatching, or hammering, remains challenging for robotic systems due to hardware limitations. Most existing robots are constrained by high-inertia design, limited compliance,…

Robotics · Computer Science 2025-05-27 Jaehyung Kim , Jiho Kim , Dongryung Lee , Yujin Jang , Beomjoon Kim

Legged locomotion shows promise for running in complex, unstructured environments. Designing such legged robots requires considering heterogeneous, multi-domain constraints and variables, from mechanical hardware and geometry choices to…

Robotics · Computer Science 2024-07-18 Reed Truax , Feng Liu , Souma Chowdhury , Ryan St. Pierre

Dielectric elastomer actuators (DEAs), also recognized as artificial muscle, have been widely developed for the soft locomotion robot. With the complaint skeleton and miniaturized dimension, they are well suited for the narrow space…

Robotics · Computer Science 2024-10-01 Xi Wang , Jung-che Chang , Feiran Wang , Dragos Axinte , Xin Dong

Although the application of Series elastic actuators (SEAs) in the biomechatronic field has proved its appropriation in many aspects so far, the problems of maintaining the stability for the SEAs still remains. This paper proposes a robust…

Systems and Control · Electrical Eng. & Systems 2021-07-20 Anh Khoa Lanh Luu , Van Tu Duong , Huy Hung Nguyen , Sang Bong Kim , Tan Tien Nguyen

Wheel-legged robots combine the advantages of both wheeled robots and legged robots, offering versatile locomotion capabilities with excellent stability on challenging terrains and high efficiency on flat surfaces. However, existing…

Robotics · Computer Science 2026-03-13 Yinglei Zhu , Sixiao He , Yan Ning , Zhenghao Qi , Zhuoyuan Yong , Yihua Qin , Jianyu Chen

Soft robots have the ability to adapt to their environment, which makes them suitable for use in disaster areas and agricultural fields, where their mobility is constrained by complex terrain. One of the main challenges in developing soft…

Robotics · Computer Science 2023-04-11 Abu Nayem Md. Asraf Siddiquee , Benjamin Colfer , Yasemin Ozkan-Aydin