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| Author | : Ross Walker |
| Publisher | : |
| Total Pages | : |
| Release | : 2017 |
| Genre | : |
| ISBN | : |
| Author | : Christian Laugier |
| Publisher | : Springer |
| Total Pages | : 176 |
| Release | : 2007-10-14 |
| Genre | : Technology & Engineering |
| ISBN | : 3540734228 |
This book presents a foundation for a broad class of mobile robot mapping and navigation methodologies for indoor, outdoor, and exploratory missions. It addresses the challenging problem of autonomous navigation in dynamic environments, presenting new ideas and approaches in this emerging technical domain. Coverage discusses in detail various related challenging technical aspects and addresses upcoming technologies in this field.
| Author | : Andrey V. Savkin |
| Publisher | : Butterworth-Heinemann |
| Total Pages | : 360 |
| Release | : 2015-09-25 |
| Genre | : Technology & Engineering |
| ISBN | : 0128037571 |
Safe Robot Navigation Among Moving and Steady Obstacles is the first book to focus on reactive navigation algorithms in unknown dynamic environments with moving and steady obstacles. The first three chapters provide introduction and background on sliding mode control theory, sensor models, and vehicle kinematics. Chapter 4 deals with the problem of optimal navigation in the presence of obstacles. Chapter 5 discusses the problem of reactively navigating. In Chapter 6, border patrolling algorithms are applied to a more general problem of reactively navigating. A method for guidance of a Dubins-like mobile robot is presented in Chapter 7. Chapter 8 introduces and studies a simple biologically-inspired strategy for navigation a Dubins-car. Chapter 9 deals with a hard scenario where the environment of operation is cluttered with obstacles that may undergo arbitrary motions, including rotations and deformations. Chapter 10 presents a novel reactive algorithm for collision free navigation of a nonholonomic robot in unknown complex dynamic environments with moving obstacles. Chapter 11 introduces and examines a novel purely reactive algorithm to navigate a planar mobile robot in densely cluttered environments with unpredictably moving and deforming obstacles. Chapter 12 considers a multiple robot scenario. For the Control and Automation Engineer, this book offers accessible and precise development of important mathematical models and results. All the presented results have mathematically rigorous proofs. On the other hand, the Engineer in Industry can benefit by the experiments with real robots such as Pioneer robots, autonomous wheelchairs and autonomous mobile hospital. First book on collision free reactive robot navigation in unknown dynamic environments Bridges the gap between mathematical model and practical algorithms Presents implementable and computationally efficient algorithms of robot navigation Includes mathematically rigorous proofs of their convergence A detailed review of existing reactive navigation algorithm for obstacle avoidance Describes fundamentals of sliding mode control
| Author | : Zhuolin Niu |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2023 |
| Genre | : |
| ISBN | : |
This thesis considers the problem of safe navigation for autonomous mobile robots working in partially known environments with static and non-adversarial dynamic obstacles. A virtual reference governor system is designed to serve as a local regulation point for the real robot system. We calculate a safe set of the robot-governor system by actively measuring the distance from surrounding static obstacles. The motion of the governor is designed to guide the robot towards the goal, while remaining within the safe set. To avoid dynamic obstacles, a control barrier function is built to further constrain the governor-robot system away from dynamic obstacles. A quadratically constrained quadratic program (QCQP) is formulated to minimally modify the governor control input to ensure dynamic obstacle avoidance. Combining these two techniques, the robot can navigate autonomously in unknown environments--slowing down when approaching obstacles, speeding up in free space, and reacting to the position and velocity of the surrounding dynamic obstacles. Our techniques are demonstrated in simulations and real-world experiments using a ground robot equipped with LiDAR to navigate among a cluttered environment in the presence of humans.
| Author | : Lounis Adouane |
| Publisher | : CRC Press |
| Total Pages | : 256 |
| Release | : 2016-04-21 |
| Genre | : Computers |
| ISBN | : 1498715591 |
Improve the Safety, Flexibility, and Reliability of Autonomous Navigation in Complex EnvironmentsAutonomous Vehicle Navigation: From Behavioral to Hybrid Multi-Controller Architectures explores the use of multi-controller architectures in fully autonomous robot navigation-even in highly dynamic and cluttered environments. Accessible to researchers
| Author | : Alejandra Barrera |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 254 |
| Release | : 2011-07-05 |
| Genre | : Computers |
| ISBN | : 9533073462 |
Robot navigation includes different interrelated activities such as perception - obtaining and interpreting sensory information; exploration - the strategy that guides the robot to select the next direction to go; mapping - the construction of a spatial representation by using the sensory information perceived; localization - the strategy to estimate the robot position within the spatial map; path planning - the strategy to find a path towards a goal location being optimal or not; and path execution, where motor actions are determined and adapted to environmental changes. This book integrates results from the research work of authors all over the world, addressing the abovementioned activities and analyzing the critical implications of dealing with dynamic environments. Different solutions providing adaptive navigation are taken from nature inspiration, and diverse applications are described in the context of an important field of study: social robotics.
| Author | : Amitava Chatterjee |
| Publisher | : Springer |
| Total Pages | : 235 |
| Release | : 2012-10-13 |
| Genre | : Technology & Engineering |
| ISBN | : 3642339654 |
This monograph is devoted to the theory and development of autonomous navigation of mobile robots using computer vision based sensing mechanism. The conventional robot navigation systems, utilizing traditional sensors like ultrasonic, IR, GPS, laser sensors etc., suffer several drawbacks related to either the physical limitations of the sensor or incur high cost. Vision sensing has emerged as a popular alternative where cameras can be used to reduce the overall cost, maintaining high degree of intelligence, flexibility and robustness. This book includes a detailed description of several new approaches for real life vision based autonomous navigation algorithms and SLAM. It presents the concept of how subgoal based goal-driven navigation can be carried out using vision sensing. The development concept of vision based robots for path/line tracking using fuzzy logic is presented, as well as how a low-cost robot can be indigenously developed in the laboratory with microcontroller based sensor systems. The book describes successful implementation of integration of low-cost, external peripherals, with off-the-shelf procured robots. An important highlight of the book is that it presents a detailed, step-by-step sample demonstration of how vision-based navigation modules can be actually implemented in real life, under 32-bit Windows environment. The book also discusses the concept of implementing vision based SLAM employing a two camera based system.
| Author | : Arash Roshanineshat |
| Publisher | : |
| Total Pages | : 70 |
| Release | : 2018 |
| Genre | : |
| ISBN | : |
We present a path planning approach based on probabilistic methods for a robot to navigate in a cluttered, dynamic, unknown environment. There are dynamic obstacles moving around and static obstacles located in the map. The robot does not have any prior information about them but should be able to navigate through the map beginning from a known starting point and safely ending at a known target point. The only information the robot has is the location of the starting point and the target point and it uses sensory information to collect information about its surroundings. Our method is compared to the D* Lite algorithm and results are presented.In the last section, the parameters of the robot are optimized using biogeography-based optimization (BBO). This is an efficient multivariable optimizer and it is shown that the results of optimization achieve significant improvement in robot navigation performance.In this thesis, we show that using evolutionary optimization methods like BBO can reduce the risk of collision and the navigation time by about 25% each. The resulting risk of collision indicates safe navigation by the robot which leads to the conclusion that this is a feasible method for real-world robots.
| Author | : Luis Payá |
| Publisher | : MDPI |
| Total Pages | : 298 |
| Release | : 2020-11-13 |
| Genre | : Technology & Engineering |
| ISBN | : 3039286706 |
The presence of mobile robots in diverse scenarios is considerably increasing to perform a variety of tasks. Among them, many developments have occurred in the fields of ground, underwater, and flying robotics. Independent of the environment where they move, navigation is a fundamental ability of mobile robots so that they can autonomously complete high-level tasks. This problem can be efficiently addressed through the following actions: First, it is necessary to perceive the environment in which the robot has to move, and extract some relevant information (mapping problem). Second, the robot must be able to estimate its position and orientation within this environment (localization problem). With this information, a trajectory toward the target points must be planned (path planning), and the vehicle must be reactively guided along this trajectory considering either possible changes or interactions with the environment or with the user (control). Given this information, this book introduces current frameworks in these fields (mapping, localization, path planning, and control) and, in general, approaches to any problem related to the navigation of mobile robots, such as odometry, exploration, obstacle avoidance, and simulation.
| Author | : Georgios Lidoris |
| Publisher | : kassel university press GmbH |
| Total Pages | : 169 |
| Release | : 2011 |
| Genre | : Autonomous robots |
| ISBN | : 3862190633 |
