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Practical Sensor-based Manipulator Motion Planning in Completely Unknown Dynamic Environments

2006
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Release : 2006
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Book Synopsis Practical Sensor-based Manipulator Motion Planning in Completely Unknown Dynamic Environments by : Rayomand Soli Vatcha

Download or read book Practical Sensor-based Manipulator Motion Planning in Completely Unknown Dynamic Environments written by Rayomand Soli Vatcha. This book was released on 2006. Available in PDF, EPUB and Kindle. Book excerpt: Autonomous high-DOF robot manipulators working in unstructured environments has been one of the ultimate challenges in robotics research. Progress towards this goal requires advances in many domains, including manipulator motion planning in unknown and dynamic environments. Where there is relatively little work in the literature. This thesis presents a novel and practical approach to sensor-based real-time motion planning for manipulators in a completely unknown dynamic environment. The approach is implemented and tested on a real 5-DOF robot manipulator equipped with an overhead stereo vision system with good results.

Proceedings of the 2018 International Symposium on Experimental Robotics

2020-01-22 Technology & Engineering
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Release : 2020-01-22
Genre : Technology & Engineering
Kind : eBook
Book Rating : 505/5 ( reviews)

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Book Synopsis Proceedings of the 2018 International Symposium on Experimental Robotics by : Jing Xiao

Download or read book Proceedings of the 2018 International Symposium on Experimental Robotics written by Jing Xiao. This book was released on 2020-01-22. Available in PDF, EPUB and Kindle. Book excerpt: In addition to the contributions presented at the 2018 International Symposium on Experimental Robotics (ISER 2018), this book features summaries of the discussions that were held during the event in Buenos Aires, Argentina. These summaries, authored by leading researchers and session organizers, offer important insights on the issues that drove the symposium debates. Readers will find cutting-edge experimental research results from a range of robotics domains, such as medical robotics, unmanned aerial vehicles, mobile robot navigation, mapping and localization, field robotics, robot learning, robotic manipulation, human–robot interaction, and design and prototyping. In this unique collection of the latest experimental robotics work, the common thread is the experimental testing and validation of new ideas and methodologies. The International Symposium on Experimental Robotics is a series of bi-annual symposia sponsored by the International Foundation of Robotics Research, whose goal is to provide a dedicated forum for experimental robotics research. In recent years, robotics has broadened its scientific scope, deepened its methodologies and expanded its applications. However, the significance of experiments remains at the heart of the discipline. The ISER gatherings are an essential venue where scientists can meet and have in-depth discussions on robotics based on this central tenet.

Mobile Robot: Motion Control and Path Planning

2023-06-30 Technology & Engineering
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Release : 2023-06-30
Genre : Technology & Engineering
Kind : eBook
Book Rating : 645/5 ( reviews)

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Book Synopsis Mobile Robot: Motion Control and Path Planning by : Ahmad Taher Azar

Download or read book Mobile Robot: Motion Control and Path Planning written by Ahmad Taher Azar. This book was released on 2023-06-30. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the recent research advances in linear and nonlinear control techniques. From both a theoretical and practical standpoint, motion planning and related control challenges are key parts of robotics. Indeed, the literature on the planning of geometric paths and the generation of time-based trajectories, while accounting for the compatibility of such paths and trajectories with the kinematic and dynamic constraints of a manipulator or a mobile vehicle, is extensive and rich in historical references. Path planning is vital and critical for many different types of robotics, including autonomous vehicles, multiple robots, and robot arms. In the case of multiple robot route planning, it is critical to produce a safe path that avoids colliding with objects or other robots. When designing a safe path for an aerial or underwater robot, the 3D environment must be considered. As the number of degrees of freedom on a robot arm increases, so does the difficulty of path planning. As a result, safe pathways for high-dimensional systems must be developed in a timely manner. Nonetheless, modern robotic applications, particularly those requiring one or more robots to operate in a dynamic environment (e.g., human–robot collaboration and physical interaction, surveillance, or exploration of unknown spaces with mobile agents, etc.), pose new and exciting challenges to researchers and practitioners. For instance, planning a robot's motion in a dynamic environment necessitates the real-time and online execution of difficult computational operations. The development of efficient solutions for such real-time computations, which could be offered by specially designed computational architectures, optimized algorithms, and other unique contributions, is thus a critical step in the advancement of present and future-oriented robotics.

Realtime Motion Planning for Manipulator Robots Under Dynamic Environments

2013
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Release : 2013
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Book Synopsis Realtime Motion Planning for Manipulator Robots Under Dynamic Environments by : Olabanjo Ogunlowore

Download or read book Realtime Motion Planning for Manipulator Robots Under Dynamic Environments written by Olabanjo Ogunlowore. This book was released on 2013. Available in PDF, EPUB and Kindle. Book excerpt: This report presents optimal control methods integrated with hierarchical control framework to realize real-time collision-free optimal trajectories for motion control in kinematic chain manipulator (KCM) robot systems under dynamic environments. Recently, they have been increasingly used in applications where manipulators are required to interact with random objects and humans. As a result, more complex trajectory planning schemes are required. The main objective of this research is to develop new motion control strategies that can enable such robots to operate efficiently and optimally in such unknown and dynamic environments. Two direct optimal control methods: The direct collocation method and discrete mechanics for optimal control methods are investigated for solving the related constrained optimal control problem and the results are compared. Using the receding horizon control structure, open-loop sub-optimal trajectories are generated as real-time input to the controller as opposed to the predefined trajectory over the entire time duration. This, in essence, captures the dynamic nature of the obstacles. The closed-loop position controller is then engaged to span the robot end-effector along this desired optimal path by computing appropriate torque commands for the joint actuators. Employing a two-degree of freedom technique, collision-free trajectories and robot environment information are transmitted in real-time by the aid of a bidirectional connectionless datagram transfer. A hierarchical network control platform is designed to condition triggering of precedent activities between a dedicated machine computing the optimal trajectory and the real-time computer running a low-level controller. Experimental results on a 2-link planar robot are presented to validate the main ideas. Real-time implementation of collision-free workspace trajectory control is achieved for cases where obstacles are arbitrarily changing in the robot workspace.

Motion Planning in Dynamic Environments

2012-12-06 Computers
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Release : 2012-12-06
Genre : Computers
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Book Rating : 655/5 ( reviews)

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Book Synopsis Motion Planning in Dynamic Environments by : Kikuo Fujimura

Download or read book Motion Planning in Dynamic Environments written by Kikuo Fujimura. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: Computer Science Workbench is a monograph series which will provide you with an in-depth working knowledge of current developments in computer technology. Every volume in this series will deal with a topic of importance in computer science and elaborate on how you yourself can build systems related to the main theme. You will be able to develop a variety of systems, including computer software tools, computer graphics, computer animation, database management systems, and computer-aided design and manufacturing systems. Computer Science Workbench represents an important new contribution in the field of practical computer technology. TOSIYASU L. KUNII To my parents Kenjiro and Nori Fujimura Preface Motion planning is an area in robotics that has received much attention recently. Much of the past research focuses on static environments - various methods have been developed and their characteristics have been well investigated. Although it is essential for autonomous intelligent robots to be able to navigate within dynamic worlds, the problem of motion planning in dynamic domains is relatively little understood compared with static problems.

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