navigation of mobile robots

... r/2b the mass of the mobile robot without the driving wheels and the rotors of the motors the mass of each driving wheel plus the rotor of its motor the moment of inertia of the mobile robot without ... of the system is unstable Although motion planning of mobile robots have been an active topic in robotics in the past decade [9, 10, 11, 12, 131, the study on the feedback control of mobile robots ... d'Andrea-Novel e t al [17] who studied full linearization of wheeled mobile robots Since they used a reduced model, the motions of mobile robots are not completely characterized In particular, the...

Ngày tải lên: 26/10/2014, 14:39

... decreasing of the linear speed of the robot Conclusion We are interested in the navigation of a mobile robot in partially known environment such as inside an of ce or a flat In such cases, a plan of the ... model of the robot is needed References [1] M Benreguieg, H Maaref, C Barret, Design of an auto-tuned fuzzy controller: Application to the reactive navigation of a mobile robot, in: Proceedings of ... at the University of Paris XI, Orsay in 1981 Since 1986, he is Professor at the University of Evry and he was the Head of Electrical Engineering Department of the Institute of Technology from...

Ngày tải lên: 23/10/2013, 15:15

... majority of used MAVs are on the larger side The state of the art in mobile robots 5.1 Design methodology The development of any type of mobile robot is challenging and takes a lot of time and ... shapes or specific colours 5.3 Control of mobile robots 5.3.1 Formation Control A large number of different strategies for formation control of a group of mobile robots can be found in the literature ... markets for mobile robots: service and military robots 3.1 Service Service robots are usually divided into sub-categories: Professional and Domestic robots The first one includes robots designed...

Ngày tải lên: 27/06/2014, 00:20

... area of direct rescue of human life, robots are used to transport victims of the crisis Performing safe transport of humans is a difficult task from the perspective of remote control of mobile ... section concerns the examples of remote-controlled mobile robots used in RISE applications An example of command base stations is shown in section Control systems of mobile robots are described in ... 8 Mobile Robots – Control Architectures, Bio-Interfacing, Navigation, Multi Robot Motion Planning and Operator Training Will-be-set-by-IN-TECH Control systems of mobile robots Control system of...

Ngày tải lên: 27/06/2014, 00:20

... and under water navigation Beside the question of global navigation, how to get from A to B navigation in mobile robotics has local aspects Depending on the architecture of a mobile robot (differential ... over different navigation techniques describing both navigation techniques dealing with local and control aspects of navigation as well es those handling global navigation aspects of a single robot ... 16 Optimal Velocity Planning of Wheeled Mobile Robots on Specific Paths in Static and Dynamic Environments 357 María Prado 17 Autonomous Navigation of Indoor Mobile Robot Using Global Ultrasonic...

Ngày tải lên: 27/06/2014, 06:20

... and under water navigation Beside the question of global navigation, how to get from A to B navigation in mobile robotics has local aspects Depending on the architecture of a mobile robot (differential ... over different navigation techniques describing both navigation techniques dealing with local and control aspects of navigation as well es those handling global navigation aspects of a single robot ... 16 Optimal Velocity Planning of Wheeled Mobile Robots on Specific Paths in Static and Dynamic Environments 357 María Prado 17 Autonomous Navigation of Indoor Mobile Robot Using Global Ultrasonic...

Ngày tải lên: 11/08/2014, 16:22

... remaining 50 Mobile Robots, Perception & Navigation two components of the relative position vector ( x2 and x3 ) from the output part of (5) The knowledge of relative position vector x and of the absolute ... plane of ICF (Figure 4.) [Kanatani, 1993] zI Q P B xI yI C O A D Fig Reference object in the field of view of TV camera 52 Mobile Robots, Perception & Navigation Supposing a landmark of rectangular ... completely visible element of a navigation line (four corner points) The algorithm presented in Section 4.2 is based on the tracking of one of the corners of the same part of navigation line as in...

Ngày tải lên: 11/08/2014, 16:22

... sensing modality for small mobile robots We have mounted an infrared camera on one of our mobile robots and begun to systematically explore the behavior of the classes of outdoor objects discussed ... results of automatically categorizing two additional scans of each of these seven objects In the table, the + symbols indicate the correct choices and the x 84 Mobile Robots, Perception & Navigation ... Square root of signal energy plot of pole P1at a distance of 200cm Sonar Sensor Interpretation and Infrared Image Fusion for Mobile Robotics 75 Fig Square root of signal energy plot of tree T14...

Ngày tải lên: 11/08/2014, 16:22

... which contain a discrete number of x, y locations and of f values Therefore, a 150 Mobile Robots, Perception & Navigation digital image is composed of a finite set of elements, each with a particular ... capability of human beings maintains a 126 Mobile Robots, Perception & Navigation relatively high precision outside the laboratory If we can implement the mechanisms of human tactile sensation to robots, ... basis of the aforementioned two examples of three-axis tactile sensors, a hemispherical tactile sensor was developed for general-purpose use The hemispherical 122 Mobile Robots, Perception & Navigation...

Ngày tải lên: 11/08/2014, 16:22

... for mobile robots with segmented local maps, Proceedings of the 2002 IEEE/RSJ Conference on Intelligent Robots and Systems, pp 546–551, Lausanne, Switzerland 236 Mobile Robots, Perception & Navigation ... Qualitative navigation for mobile robots Artificial Intelligence Journal, Vol 44, No 3, pp 305–360 Mar, J & Leu, J.-H (1996) Simulations of the positioning accuracy of integrated vehicular navigation ... planning problem for multiple mobile robots, Proceedings of IEEE International Conference on Robotics and Automation (ICRA ‘87), pp 1779-1784 13 Global Navigation of Assistant Robots using Partially...

Ngày tải lên: 11/08/2014, 16:22

... the next subsection 284 Mobile Robots, Perception & Navigation Fig 11 Example of exploration of one of the corridors of the environment of figure (involved nodes, states of the two execution traces, ... static representation of the environment) Fig Example of graph definition for the environment of Fig 278 Mobile Robots, Perception & Navigation After numbering the nodes of the graph (the only ... of the navigation system Global Navigation of Assistant Robots using Partially Observable Markov Decision Processes 283 8.2.1 Supervised active learning Corridors exploration The objective of...

Ngày tải lên: 11/08/2014, 16:22

... degrees -of- freedom (DOF) in a 3-D space Commonly, in a UVMS, the AUV has DOF Therefore, the introduction of a manipulator, which can have n DOF, makes the 322 Mobile Robots, Perception & Navigation ... close to the end of the run and will be essential to demonstrate the consistency and performance of the hybrid navigation architecture proposed 314 Mobile Robots, Perception & Navigation The stars ... composed of a dof Autonomous Underwater Vehicles (AUV) and one (or more) n dof robotic manipulator(s) Commonly, the dynamic response of the AUV is an order of magnitude slower than that of the...

Ngày tải lên: 11/08/2014, 16:22

... function of the acceleration, aLim(s), and lower limited by the negative value of a boundary function of deceleration dLim(s) 360 Mobile Robots, Perception & Navigation Continuity of acceleration ... 380 Mobile Robots, Perception & Navigation function of the spatial path It ensures the continuity of the velocity and acceleration over the entire path The jerk of the WMR is bounded It is of ... planning a class Optimal Velocity Planning of Wheeled Mobile Robots on Specific Paths in Static and Dynamic Environments 381 of mobile robots, Journal of Intelligent and Robotic Systems, Vol.32,No.1,...

Ngày tải lên: 11/08/2014, 16:22

... 392 Mobile Robots, Perception & Navigation (c) Trajectory in x − y plane Fig The dead-reckoning navigation Fig shows the results in the case of the dead-reckoning navigation, in which the mobile ... Autonomous Navigation of Indoor Mobile Robot Using Global Ultrasonic System 393 (b) Heading angle (c) Trajectory in x − y plane Fig Navigation with global ultrasonic system The size of the ultrasonic ... is shown 394 Mobile Robots, Perception & Navigation through experiments that the estimation errors are less than 25 mm in terms of the position and less than 0.32 rad in terms of the heading...

Ngày tải lên: 11/08/2014, 16:22

... Laboratory of Computer Science and Laboratory for Internet Software Technologies, Institute of Software, Chinese Academy of Sciences, Beijing, China 2Department of Mechanical Engineering, University of ... the object; V>>t+O(t2) at the set of outside points of the object where at least one of the hi is greater than t; and V≈t in the vicinity of the boundaries of the object Fig illustrates this ... minimum of a semiinfinitely constrained scalar function of several variables x starting at an initial estimate xs This problem is mathematically stated as: 440 Mobile Robots, Perception & Navigation...

Ngày tải lên: 11/08/2014, 16:22

... Evolution of the visibility angle for the scenario of figure 0.0 PR PP -0.5 R -1.0 -1.5 20 40 time 60 80 Fig 11 Evolution of the robot’s orientation angle for the scenario of figure 476 Mobile Robots, ... Abderrahim University Carlos III of Madrid, Spain * Polytechnic University of Madrid, Boadilla del Monte, Spain Introduction Mobile Manipulators are special cases of mobile robots that need a careful ... 506 Mobile Robots, Perception & Navigation C D When the current test navigation point (T_NPn) is similar to the extra past confirmed navigation point (E_Cd_NP), then reset the current test navigation...

Ngày tải lên: 11/08/2014, 16:22

... groups, each of size of a “one-way bridge” attached to the unused sides of the junctions Each of these bridges where the length of a bridge is the consists of five rows of disks of “length” roughly ... Neural networks in navigation of mobile robots: A survey, Neural Network World (1995) 917–928 Nagrath, I.J., Behera, L., Krishna, K.M and Rajshekhar, K.D., Real-time navigation of a mobile robot using ... noisy sensor data to a map of object models and an abstract map made of discrete places of interest 546 Mobile Robots, Perception & Navigation Several implementations of vision based homing systems...

Ngày tải lên: 11/08/2014, 16:22

... for mobile robots Technical Report 96/34, Department of Computer Science, University of Melbourne Khatib, O (1985) Real-Time Obstacle Avoidance for Manipulators and Mobile Robots, Proceedings of ... pendulum vs time t (s) 598 Mobile Robots, Perception & Navigation The benefit of adding two more inputs to the system to control the X-position of the cart and the velocity of the cart will greatly ... inductance Motor torque constant Motor rating Moment of Inertial of the motor and the load Coefficient of friction 602 Mobile Robots, Perception & Navigation Figure shows that it takes approximately...

Ngày tải lên: 11/08/2014, 16:22

... configuration of the robots Fig 13 Sequence of snapshots during navigation of a system of nine robots Fig 14 Sequence involving 11 robots The second of the snapshots indicates the instance when robots ... 12 samples All robots are capable of communicating to one another within a range of 100 pixels Figure 11a shows an instant during the navigation of a system of five robots where robots and are ... trajectories of two orthogonal robots while those of 6a-6e the same for orientation control of robots that approach each other head on Figure 5a shows evolution of trajectories of two robots, marked...

Ngày tải lên: 11/08/2014, 16:22