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A stochastic optimal control based model with velocity tracking and internal feedback for saccadic eye movements is presented in this paper. Recent evidence from neurophysiological studies of superior colliculus suggests the presence of a…

Systems and Control · Electrical Eng. & Systems 2021-05-28 Varsha V , Aditya Murthy , Radhakant Padhi

We introduce a real-time, constrained, nonlinear Model Predictive Control for the motion planning of legged robots. The proposed approach uses a constrained optimal control algorithm known as SLQ. We improve the efficiency of this algorithm…

Robotics · Computer Science 2018-01-31 Farbod Farshidian , Edo Jelavić , Asutosh Satapathy , Markus Giftthaler , Jonas Buchli

The current methods to generate robot actions for automation in significantly different environments have limitations. This paper proposes a new method that matches the impedance of two prerecorded action data with the current environmental…

Robotics · Computer Science 2025-02-25 Tomoya Kitamura , Yuki Saito , Hiroshi Asai , Kouhei Ohnishi

Classical snake robot control leverages mimicking snake-like gaits tuned for specific environments. However, to operate adaptively in unstructured environments, gait generation must be dynamically scheduled. In this work, we present a…

Robotics · Computer Science 2023-12-07 Shuo Jiang , Adarsh Salagame , Alireza Ramezani , Lawson Wong

Soft robotic snakes made of compliant materials can continuously deform their bodies and, therefore, mimic the biological snakes' flexible and agile locomotion gaits better than their rigid-bodied counterparts. Without wheel support, to…

Locomotion gaits are fundamental for control of soft terrestrial robots. However, synthesis of these gaits is challenging due to modeling of robot-environment interaction and lack of a mathematical framework. This work presents an…

Robotics · Computer Science 2025-03-11 Caitlin Freeman , Arun Niddish Mahendran , Vishesh Vikas

In this study, we present a novel swarm-based approach for generating optimized stress-aligned trajectories for 3D printing applications. The method utilizes swarming dynamics to simulate the motion of virtual agents along the stress…

Optimization and Control · Mathematics 2024-04-17 Xavier Guidetti , Efe C. Balta , John Lygeros

Stable bipedal walking is a key prerequisite for humanoid robots to reach their potential of being versatile helpers in our everyday environments. Bipedal walking is, however, a complex motion that requires the coordination of many degrees…

Robotics · Computer Science 2020-11-06 Marcell Missura , Maren Bennewitz , Sven Behnke

For a class of biped robots with impulsive dynamics and a non-empty set of passive gaits (unactuated, periodic motions of the biped model), we present a method for computing continuous families of locally optimal gaits with respect to a…

Robotics · Computer Science 2024-02-15 Nelson Rosa , Bassel Katamish , Maximilian Raff , C. David Remy

Gaits and transitions are key components in legged locomotion. For legged robots, describing and reproducing gaits as well as transitions remain longstanding challenges. Reinforcement learning has become a powerful tool to formulate…

Robotics · Computer Science 2022-01-04 Yecheng Shao , Yongbin Jin , Xianwei Liu , Weiyan He , Hongtao Wang , Wei Yang

The quest for the efficient adaptation of multilegged robotic systems to changing conditions is expected to render new insights into robotic control and locomotion. In this paper, we study the performance frontiers of the enumerative…

Robotics · Computer Science 2022-09-02 Victor Parque

We present a novel motion generation approach for robot arms, with high degrees of freedom, in complex settings that can adapt online to obstacles or new via points. Learning from Demonstration facilitates rapid adaptation to new tasks and…

Safe robot motion generation is critical for practical applications from manufacturing to homes. In this work, we proposed a stochastic optimization-based motion generation method to generate collision-free and time-optimal motion for the…

Robotics · Computer Science 2023-06-08 Baolin Liu , Gedong Jiang , Fei Zhao , Xuesong Mei

Soft microrobots based on photoresponsive materials and controlled by light fields can generate a variety of different gaits. This inherent flexibility can be exploited to maximize their locomotion performance in a given environment and…

Robotics · Computer Science 2022-05-05 Alexander von Rohr , Sebastian Trimpe , Alonso Marco , Peer Fischer , Stefano Palagi

Reinforcement learning method is extremely competitive in gait generation techniques for quadrupedal robot, which is mainly due to the fact that stochastic exploration in reinforcement training is beneficial to achieve an autonomous gait.…

Robotics · Computer Science 2024-09-26 Yu Wang , Wenchuan Jia , Yi Sun , Dong He

Legged locomotion is a challenging task in the field of robotics but a rather simple one in nature. This motivates the use of biological methodologies as solutions to this problem. Central pattern generators are neural networks that are…

Neural and Evolutionary Computing · Computer Science 2020-03-18 Elie Aljalbout , Florian Walter , Florian Röhrbein , Alois Knoll

There is a growing interest in learning a velocity command tracking controller of quadruped robot using reinforcement learning due to its robustness and scalability. However, a single policy, trained end-to-end, usually shows a single gait…

Robotics · Computer Science 2021-12-10 Yunho Kim , Bukun Son , Dongjun Lee

Walking animals, like stick insects, cockroaches or ants, demonstrate a fascinating range of locomotive abilities and complex behaviors. The locomotive behaviors can consist of a variety of walking patterns along with adaptation that allow…

Neural and Evolutionary Computing · Computer Science 2016-08-08 Sakyasingha Dasgupta , Dennis Goldschmidt , Florentin Wörgötter , Poramate Manoonpong

The goal of the system presented in this paper is to develop a natural talking gesture generation behavior for a humanoid robot, by feeding a Generative Adversarial Network (GAN) with human talking gestures recorded by a Kinect. A direct…

Robotics · Computer Science 2019-09-05 Unai Zabala , Igor Rodriguez , José María Martínez-Otzeta , Elena Lazkano

In this study, a chair-type asymmetric tripedal low-rigidity robot was designed based on the three-legged chair character in the movie "Suzume" and its gait was generated. Its body structure consists of three legs that are asymmetric to the…

Robotics · Computer Science 2024-05-21 Shintaro Inoue , Kento Kawaharazuka , Kei Okada , Masayuki Inaba