a multi disciplinary approach from biology to philosophy

... phrase vocabulary, the distance to the target head, and local context (words and phrases) Our initial evaluation of this approach has given us encouraging first results Based on a hand-annotated ... training and test document set Paragraphs from these documents, which are from 50 to 150 pages long, were annotated with the types of financial transactions they are most related to Paragraphs ... convenient to adapt the Alembic name tagger by manual hill climbing Because this tagger was originally designed for a similar newswire task, we were able to make the port using relatively small amounts...

Ngày tải lên: 08/03/2014, 21:20

... and the paper indicates that these so-called anomalies are found among black Americans, Africans, Asians and ‘American Indians’ It is not necessarily the racial prejudices of individual research ... ‘schizophrenia’, although it is associated with several factors In the multi- factorial approach of eclectic thinking that is often found in well-established multi- disciplinary teams, external factors may ... And as Gilroy (1993) states: a perspective that emphasises a need to deal with racisms rather than a single ahistorical racism also implicitly attacks the fashionable over-identification of race...

Ngày tải lên: 15/02/2014, 02:20

... Korean aristocracy gradually moved from a warrior aristocracy to a civilian one that held military skills in contempt in contrast to the Japanese warrior elite In many ways, such as ritual practices, ... a little larger than that of Britain, France, or Italy, and a little smaller than that of Germany Korea has been a part of an East Asian civilization centered in China China was one of the earliest ... as related to Japanese and remotely related to the Altaic languages of Inner Asia, which include Mongolian, the Turkic languages, and the Tungusic languages such as Manchu Korean shares a grammatical...

Ngày tải lên: 04/04/2014, 12:22

... models, as well as computer vision approaches that claim to incorporate biological plausible computational steps, can evaluate their models on a data set 14 EURASIP Journal on Advances in Signal Processing ... optimization approach by Lucas and Kanade [4] and the regularization approach of [2] produce similar results to get a strong bias due to the smoothness constraint that is propagated over the rectangular ... x = as basic building blocks that are already powerful to explain a wealth of empirical data and are also capable to process realistic sequences in technical applications It is thus conceivable...

Ngày tải lên: 21/06/2014, 09:20

... Part VIII Poster Short Papers A Robust Monte-Carlo Algorithm for Multi- Robot Localization Vazha Amiranashvili and Gerhard Lakemeyer 251 A Dialogue-Based Approach to Multi- Robot Team Control Nathanael ... not always hold, a set of tasks may be located at considerable distances from one another so that the best solution is to dispatch a robot team to each designated task area and hope that the team ... actuator as indicated by the associated capability vector A robot with one camera can only be assigned one camera node in the constraint graph Thus all sensors and actuators of the same type have...

Ngày tải lên: 27/06/2014, 15:20

... Part VIII Poster Short Papers A Robust Monte-Carlo Algorithm for Multi- Robot Localization Vazha Amiranashvili and Gerhard Lakemeyer 251 A Dialogue-Based Approach to Multi- Robot Team Control Nathanael ... not always hold, a set of tasks may be located at considerable distances from one another so that the best solution is to dispatch a robot team to each designated task area and hope that the team ... actuator as indicated by the associated capability vector A robot with one camera can only be assigned one camera node in the constraint graph Thus all sensors and actuators of the same type have...

Ngày tải lên: 27/06/2014, 18:20

... Part VIII Poster Short Papers A Robust Monte-Carlo Algorithm for Multi- Robot Localization Vazha Amiranashvili and Gerhard Lakemeyer 251 A Dialogue-Based Approach to Multi- Robot Team Control Nathanael ... Knoxville, TN, U.S .A FRANK E SCHNEIDER FGAN, Wachtberg, Germany and ALAN C SCHULTZ Navy Center for Applied Research in A. I., Naval Research Laboratory, Washington, DC, U.S .A A C.I.P Catalogue record ... the multi- robot exploration task is to find an allocation of targets to robots and a path for each robot that visits all targets allocated to it so that the team objective is achieved Note that...

Ngày tải lên: 10/08/2014, 05:20

... capability matrix called a Task Allocation Matrix (TAM) Each matrix entry corresponds to a capability pair (for example [sonar, laser]) A in an entry indicates that the capability pair must reside ... The algorithm includes various assumptions Assume a set of n agents, N = A1 , A2 , An The agents communicate with each other and are aware of all tasks to be performed Each agent has a vector ... geographically and temporally spread, a task schedule is not available in advance, and robots need to physically visit task locations to accomplish task completion (e.g., to push an object) Our approach...

Ngày tải lên: 10/08/2014, 05:20

... et al., 2004) to a general class of MIMO dynamical systems of finite but arbitrary relative degree In particular, a leaderfollower cooperative control strategy was analyzed in (Qu et al., 200 4a) ... that guide the robot to the goal through a series of subgoals or waypoints that attempt to avoid local minima (Bell and Weir, 2004) The forward chaining approach is particularly interesting to ... implementation details of DINTA see ((Batalin and Sukhatme, 2004b).) For experimental and other details see ((Batalin et al., 200 4a) ) References Batalin, M., Rahimi, M., Yu, Y., Liu, S., Kansal, A. ,...

Ngày tải lên: 10/08/2014, 05:20

... This fact contradicts the intuition that having more robots available should make a task easier, rather than harder, to solve Additionally, this approach is undesirable for most robotic applications, ... to take it away from its current team, if any Stochastic plan selection then corresponds to a robot occasionally making a choice that does not maximize its reward, to account for the fact that, ... function to grow beyond what is manageable A soccer-playing robot might have multiple ways of approaching the goal, each of which has advantages depending on the relative position of the goalie and/or...

Ngày tải lên: 10/08/2014, 05:20

... intention of easily characterizing the three target tasks with parameter values Foraging small, light attractors was envisioned as a low-cooperation foraging task, and therefore was characterized ... added to a state for a particular task As with any schema-based control, the outputs of the behaviors (motor schemas) are combined in the form of a weighted sum to produce the final actuator commands ... plans and actions, a behavior-based approach uses carefully designed rules that sense and react to the changes in the world, and this approach has proved to be more robust and effective in many...

Ngày tải lên: 10/08/2014, 05:20

... the targets are known to interact, Khan et al (Khan and Dellaert, 200 3a) ,(Khan and Dellaert, 2003b) demonstrate several approaches for tracking interacting targets 4.1 Approach Negative Information ... in ’team’: an ego-centric approach to cooperative localization In IEEE International Conference on Robotics and Automation Isard, M and Blake, A (1996) Contour tracking by stochastic propagation ... Dynamic programming for partially observable stochastic games In National Conference on Artificial Intelligence Kaelbling, L P., Littman, M L., and Cassandra, A R (1998) Planning and acting in partially...

Ngày tải lên: 10/08/2014, 05:20

... Type Laser Camera DGPS laserscanner ccd dgps Robot Types Available Sensors Name R1 R2 R3 R4 R5 R6 R7 R8 Laser Camera DGPS Laser and Camera Laser and DGPS Camera and DGPS Laser and Camera and DGPS ... data from a laser scanner combined with an environmental map, from DGPS, or from communication schemas supplying similar data For an example of this latter case, a robot 124 Parker, et al can ... robots automatically achieve navigation assistance of a less capable robot by a more capable robot Variation The third variation involves a sensorless robot of type R8 , which has access to neither...

Ngày tải lên: 10/08/2014, 05:20

... problems have emerged especially in the areas of path planning, task (re)allocation and multi- robot cooperation The goal of complete coverage is to plan a path that would guide a robot to pass an end-effector ... NETWORKS Ioannis Rekleitis Currently at the Canadian Space Agency, Canada ∗ yiannis@cim.mcgill.ca Ai Peng New DSO National Laboratories, Singapore naipeng@dso.org.sg Howie Choset Mechanical Engineering ... that not have any exploration tasks can start performing partial coverage of known stripes in order not to waste time Coverage of a cell is considered an atomic task, thus a robot that has started...

Ngày tải lên: 10/08/2014, 05:20

... Bruce and Veloso Fox, D., Burgard, W., and Thrun, S (1997) The dynamic window approach to collision avoidance IEEE Robotics and Automation Magazine, Kitano, H., Asada, M., Kuniyoshi, Y., Noda, I., ... variety of perimeter detection and tracking approaches have been proposed in the literature Bruemmer et al., present an interesting approach in which a swarm is able to autonomously locate and ... Since this “chaining” assumption always guarantees that deceleration is an option, robots should always be able to stop safely In reality, numerical issues, the limitations of sampling, and the presence...

Ngày tải lên: 10/08/2014, 05:20

... extra time required when a trial requires a change from one task to another as compared to a trial when the task does not change This approach has limited application to the human-robot interaction ... robots that a single human can manage It is important to note that Altmann and Trafton’s research has included a study of signaling the human of an impending interrupt They have found that signaling ... free to move about in the plane of the workspace, in a weak parallel to orbital assembly When a beam is inserted into a node, enough force is required to cause an unconstrained node to roll away,...

Ngày tải lên: 10/08/2014, 05:20

... equipped a GPS, an inertial measurement unit capable of sensing rates and attitudes, a video camera that can be slewed in azimuth and elevation, and the onboard computing and communication hardware to ... Robotics Laboratory has a team of several small robots that have successfully demonstrated robot selforganization into lattices, obstacle avoidance, and goal seeking in formation ( (Spears et al., ... Pennsylvania, our MARS2020 research thrust is to establish the overall paradigm, modeling framework and the software architecture to enable a minimum number of human operators to manage a heterogeneous...

Ngày tải lên: 10/08/2014, 05:20

... addition to navigation, Batalin and Sukhatme have applied their technique to the multi- robot task allocation problem (Batalin and Sukhatme, 2003b) Li et al are able to generate an artificial potential ... this aspect of autonomy We believe that almost all natural autonomous creatures build and use artifacts to support them in their daily tasks As examples, ants lay pheromone trails and humans create ... Disperse-Swarming is used to spread the UAVs out and survey the area In this behavior, each UAV has the individual behaviors of Obstacle_Avoidance and Boundary_Avoidance to stay in the area to survey...

Ngày tải lên: 10/08/2014, 05:20

... simulation (or in trivial cases analytically) This admits a prediction of global behavior because exhaustive parameter variations enable construction of a phase diagram In the case of the Potts and ... global structure This means that task directed actions can be tackled directly from a macroscopic perspective Summary and Conclusion We have taken a dynamics-centric approach to describing multi- robot ... of the Cambridge Philosophical Society, volume 48, pages 106–109 Author Index Adams, Julie A. , 15 Aghazarian„ 235 Allen, James, 257 Amigoni, Francesco, 133 Amiranashvili, Vazha, 251 Balch, Tucker...

Ngày tải lên: 10/08/2014, 05:20

... a modelling approach, based on game theory, to quantify cooperation and predict behavioural outcomes under different circumstances Although game theory has helped to reveal an apparently innate ... Siebold A New Hybrid Particle Swarm Optimization Algorithm to the Cyclic Multiple-Part Type Three-Machine Robotic Cell Problem 027 Isa Nakhai Kamalabadi, Ali Hossein Mirzaei and Saeede Gholami Comparison ... simulation is used to validate the developed technique Finally, it is essential to systematically study and test swarm-behaviour by analyzing what each swarm member is doing as well as where and...

Ngày tải lên: 11/08/2014, 20:21