Relevant bibliographies by topics / Avoidance Map

Academic literature on the topic 'Avoidance Map'

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Published: 6 September 2023

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Journal articles on the topic "Avoidance Map"

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Yuan, Rupeng, Fuhai Zhang, Jiadi Qu, Guozhi Li, and Yili Fu. "A novel obstacle avoidance method based on multi-information inflation map." Industrial Robot: the international journal of robotics research and application 47, no. 2 (August 24, 2019): 253–65. http://dx.doi.org/10.1108/ir-05-2019-0114.

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Purpose This paper aims to provide a novel obstacle avoidance method based on multi-information inflation map. Design/methodology/approach In this paper, the multi-information inflation map is introduced, which considers different information, including a two-dimensional grid map and a variety of sensor information. The static layer of the map is pre-processed at first. Then sensor inputs are added in different semantic layers. The processed information in semantic layers is used to update the static layer. The obstacle avoidance algorithm based on the multi-information inflation map is able to generate different avoidance paths for different kinds of obstacles, and the motion planning based on multi-information inflation map can track the global path and drive the robot. Findings The proposed method was implemented on a self-made mobile robot. Four experiments are conducted to verify the advantages of the proposed method. The first experiment is to demonstrate the advantages of the multi-information inflation map over the layered cost map. The second and third experiments verify the effectiveness of the obstacle avoidance path generation and motion planning. The fourth experiment comprehensively verifies that the obstacle avoidance algorithm is able to deal with different kinds of obstacles. Originality/value The multi-information inflation map proposed in this paper has better performance than the layered cost maps. As the static layer is pre-processed, the computational efficiency is higher. Sensor information is added in semantic layers with different cost attenuation coefficients. All layers are reset before next update. Therefore, the previous state will not affect the current situation. The obstacle avoidance and motion planning algorithm based on the multi-information inflation map can generate different paths for different obstacles and drive a robot safely and control the velocity according to different conditions.
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Patry, G., K. Jarvi, E. D. Grober, K. C. Lo, and L. Spencer. "Map: micro-testicular sperm extraction avoidance program." Fertility and Sterility 90 (September 2008): S98. http://dx.doi.org/10.1016/j.fertnstert.2008.07.1063.

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Fang, Cheng, and Xilun Ding. "A Global Obstacle-Avoidance Map for Anthropomorphic Arms." International Journal of Advanced Robotic Systems 11, no. 7 (January 2014): 117. http://dx.doi.org/10.5772/58724.

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Monsieurs, P., K. Coninx, and E. Flerackers. "Collision avoidance and map construction using synthetic vision." Virtual Reality 5, no. 2 (June 2000): 72–81. http://dx.doi.org/10.1007/bf01424338.

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An, Jiping, Xinhong Li, Zhibin Zhang, Guohui Zhang, Wanxin Man, Gangxuan Hu, and Junwei He. "Path Planning for Self-Collision Avoidance of Space Modular Self-Reconfigurable Satellites." Aerospace 9, no. 3 (March 5, 2022): 141. http://dx.doi.org/10.3390/aerospace9030141.

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Space modular self-reconfigurable satellite (SMSRS) is a new type of satellite. The research on self-collision avoidance of SMSRS is important for its on-orbit safety but is not completely solved. This paper offers a new method for joint path planning for self-collision avoidance of SMSRS. Firstly, we establish the collision detection model for SMSRS based on forward kinematics and the spherical nonholonomic envelope to detect the collision occurring in SMSRS. Then, to achieve offline path planning in joint space, we proposed the self-collision avoidance strategy, which splices multiple C-spaces based on the pre-defined joint path into a binary map, and then transforms the binary map into a map with the dangerous potential field, and planning algorithms based on a map with the dangerous potential field is proposed to find the optimal collision-free path. The new method is applied to two cases and both find collision-free joint paths for SMSRS successfully, which demonstrates the feasibility of the method. In addition, this study bridges the gap in the study of self-collision avoidance of super-redundant self-reconfigurable satellites.
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Gao, Zan, Leslie William Podlog, and Louis Harrison. "College Students’ Goal Orientations, Situational Motivation and Effort/Persistence in Physical Activity Classes." Journal of Teaching in Physical Education 31, no. 3 (July 2012): 246–60. http://dx.doi.org/10.1123/jtpe.31.3.246.

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The purpose of this study was to examine relationships among college students’ 2 × 2 goal orientations (mastery-approach [MAp], mastery-avoidance [MAv], performance-approach [PAp], performance-avoidance [PAv]), situational motivation (intrinsic motivation, identified regulation, external regulation and amotivation) and effort/persistence in physical activity classes. Participants (140 female, 109 male) completed a battery of questionnaires assessing the outcome variables at the last week of instruction. Regression analyses revealed that MAp and PAp emerged as positive predictors for intrinsic motivation whereas MAp was the only positive predictor for identified regulation. MAp was negatively related to amotivation (AM), while PAp and PAv were positively related to AM. In addition, MAp, PAp, intrinsic motivation, and identified regulation were significant positive predictors of effort/persistence.
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Li, Jingmin. "Path Planning of Industrial Wheeled Robots Based on Wireless Communication and Machine Learning Algorithms." Mobile Information Systems 2022 (March 10, 2022): 1–11. http://dx.doi.org/10.1155/2022/3386116.

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With the advancement of science and technology, robotics has made considerable progress. Robots can free humans from heavy repetitive labor. From the industrial field to the lives of the general public, robots are playing an increasingly important role. Path planning is one of the core contents of industrial wheeled robotics and has very important significance. Based on the reinforcement Q learning and BP network, this work studies the path planning of industrial wheeled robots. According to task requirements of path planning, design learning strategies, and control rules, use wireless communication to transmit environmental perception information and propose corresponding control strategies. The main researches are as follows: (1) Based on grid map environment, a path planning algorithm with Q-CM learning is designed. The algorithm first designs robot states and actions based on reinforcement Q learning and grid map and establishes Q matrix. Secondly, a coordinate matching (CM) obstacle avoidance control rule is designed to improve the efficiency of robot avoidance. Then, a reward function is designed for the evaluation problem of action execution. (2) Based on the map environment of free space and the generalization ability of BP neural network, a robot path planning with Q-BP learning is designed. The algorithm first designs the sensor detection mechanism and action selection strategy according to the state of the robot in the map environment. Secondly, a dynamic reward function is designed. Then, according to the obstacle avoidance requirements of special obstacles, the obstacle avoidance rules after three shocks were designed. The experimental results show robots can perform better path planning in a discrete and continuous free space map, and the obstacle avoidance effect is good.
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Kobayashi, Yuichi, and Takahiro Nomura. "Learning of Obstacle Avoidance with Redundant Manipulator by Hierarchical SOM." Journal of Advanced Computational Intelligence and Intelligent Informatics 15, no. 5 (July 20, 2011): 525–31. http://dx.doi.org/10.20965/jaciii.2011.p0525.

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This paper proposes a method of obstacle avoidance motion generation for a redundant manipulator with a Self-OrganizingMap (SOM) and reinforcement learning. To consider redundancy, two types of SOMs - a hand position map and a joint angle map - are combined. Multiple joint angles corresponding to the same hand position are memorized in the proposed map. Preserved redundant configuration information is used to generate motions based on tasks and situations, while resolving inverse kinematics problems with a redundant manipulator. The proposed map is applied to planning motion control using reinforcement learning in an unknown environment, where collision with obstacles is detected only directly by tactile sensing. The feasibility of the proposed framework was verified by simulation and experiments with an arm robot with force and a vision sensors.
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Gowri R. and Rathipriya R. "Local Optima Avoidance in GA Biclustering using Map Reduce." International Journal of Knowledge Discovery in Bioinformatics 6, no. 1 (January 2016): 37–47. http://dx.doi.org/10.4018/ijkdb.2016010104.

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One of the prominent issues in Genetic Algorithm (GA) is premature convergence on local optima. This restricts the enhanced optimal solution searching in the entire search space. Population size is one of the influencing factors in Genetic Algorithm. Increasing the population size will improvise the randomized searching and maintains the diversity in the population. It also increases its computational complexity. Especially in GA Biclustering (GABiC), the search should be randomized to find more optimal patterns. In this paper, a novel approach for population setup in MapReduce framework is proposed. The maximal population is split into population sets, and these groups will proceed searching in parallel using MapReduce framework. This approach is attempted for biclustering the gene expression dataset in this paper. The performance of this proposed work seems promising on comparing its results with those obtained from previous hybridized optimization approaches. This approach will also handle data scalability issues and applicable to the big data biclustering problems.
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Krasuski, Adam, and Michał Meina. "Correcting Inertial Dead Reckoning Location Using Collision Avoidance Velocity-Based Map Matching." Applied Sciences 8, no. 10 (October 6, 2018): 1830. http://dx.doi.org/10.3390/app8101830.

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We propose an algorithm for map-aided inertial dead reckoning (DR) for indoor navigation. The technique is based on a concept of collision avoidance velocity. New positions estimated by DR are checked for collision detection with walls and if such a situation is detected, the collision avoidance velocity is calculated to avert the obstacles. The differences between an individual’s indicated velocity and collision avoidance velocity are then used to correct errors for further path development. The best performance of the proposed technique is achieved when the individual moves along building obstacles. This type of movement is typical for firefighters, during search and rescue operations in thick smoke. Such conditions provided the environment for testing our algorithm.
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Dissertations / Theses on the topic "Avoidance Map"

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Pinard, Clément. "Robust Learning of a depth map for obstacle avoidance with a monocular stabilized flying camera." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLY003/document.

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Le drone orienté grand public est principalement une caméra volante, stabilisée et de bonne qualité. Ceux-ci ont démocratisé la prise de vue aérienne, mais avec leur succès grandissant, la notion de sécurité est devenue prépondérante.Ce travail s'intéresse à l'évitement d'obstacle, tout en conservant un vol fluide pour l'utilisateur.Dans ce contexte technologique, nous utilisons seulement une camera stabilisée, par contrainte de poids et de coût.Pour leur efficacité connue en vision par ordinateur et leur performance avérée dans la résolution de tâches complexes, nous utilisons des réseaux de neurones convolutionnels (CNN). Notre stratégie repose sur un systeme de plusieurs niveaux de complexité dont les premieres étapes sont de mesurer une carte de profondeur depuis la caméra. Cette thèse étudie les capacités d'un CNN à effectuer cette tâche.La carte de profondeur, étant particulièrement liée au flot optique dans le cas d'images stabilisées, nous adaptons un réseau connu pour cette tâche, FlowNet, afin qu'il calcule directement la carte de profondeur à partir de deux images stabilisées. Ce réseau est appelé DepthNet.Cette méthode fonctionne en simulateur avec un entraînement supervisé, mais n'est pas assez robuste pour des vidéos réelles. Nous étudions alors les possibilites d'auto-apprentissage basées sur la reprojection différentiable d'images. Cette technique est particulièrement nouvelle sur les CNNs et nécessite une étude détaillée afin de ne pas dépendre de paramètres heuristiques.Finalement, nous développons un algorithme de fusion de cartes de profondeurs pour utiliser DepthNet sur des vidéos réelles. Plusieurs paires différentes sont données à DepthNet afin d'avoir une grande plage de profondeurs mesurées
Customer unmanned aerial vehicles (UAVs) are mainly flying cameras. They democratized aerial footage, but with thei success came security concerns.This works aims at improving UAVs security with obstacle avoidance, while keeping a smooth flight. In this context, we use only one stabilized camera, because of weight and cost incentives.For their robustness in computer vision and thei capacity to solve complex tasks, we chose to use convolutional neural networks (CNN). Our strategy is based on incrementally learning tasks with increasing complexity which first steps are to construct a depth map from the stabilized camera. This thesis is focused on studying ability of CNNs to train for this task.In the case of stabilized footage, the depth map is closely linked to optical flow. We thus adapt FlowNet, a CNN known for optical flow, to output directly depth from two stabilized frames. This network is called DepthNet.This experiment succeeded with synthetic footage, but is not robust enough to be used directly on real videos. Consequently, we consider self supervised training with real videos, based on differentiably reproject images. This training method for CNNs being rather novel in literature, a thorough study is needed in order not to depend too moch on heuristics.Finally, we developed a depth fusion algorithm to use DepthNet efficiently on real videos. Multiple frame pairs are fed to DepthNet to get a great depth sensing range
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Reed, Caleb M. "Experiments in Real-time Path Planning for Riverine Environments." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/31877.

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This work focuses on the development and implementation of an autonomous path planning and obstacle avoidance algorithm for an autonomous surface vehicle (ASV) in a riverine environment. The algorithm effectively handles trap situations, which occur when the river bends away from the destination. In addition, the algorithm uses real-time sensor feedback to avoid obstacles. A general global route is proposed based on an a priori shoreline map. Then, local paths are calculated considering both the a priori data and measurements received from an obstacle sensor. These paths roughly follow the global path. The algorithm was tested on an ASV equipped with basic navigational sensors and an omnidirectional camera for obstacle detection, and experimentation verified its effectiveness.
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Barceló, Vicens Jaume. "Carrier sense multiple acces with enhanced collision avoidance." Doctoral thesis, Universitat Pompeu Fabra, 2009. http://hdl.handle.net/10803/7553.

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Aquesta tesi suggereix usar un compte enrere determinista després de les transmissions exitoses en les xarxes d'àrea local sense fils. Com que les estacions que han transmès amb èxit en el seu darrer intent no poden col·lisionar entre elles en el seu proper intent, el nombre de col·lisions es redueix. Per tant, anomenem el protocol accés múltiple per detecció de portadora amb evitament de col·lisions millorat. El protocol es modela i es simula en diversos escenaris per a la seva avaluació. S'arriba a la conclusió de que el protocol proposat ofereix un rendiment igual o major que l'existent.
This thesis suggests the use of a deterministic backoff after successful transmissions in the MAC protocol of WLANs. Since those stations that successfully transmitted in their last collision attempt cannot collide among them in their next transmission attempt, the number of collisions is reduced. Hence, the protocol is called Carrier Sense Multiple Access with Enhanced Collision Avoidance. The protocol is modelled and simulations are used to assess its performance in a variety of scenarios. It is concluded that the proposed protocol performs always equal or better than the legacy one.
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Loy, Alisson Moscato. "Identificando padrões comportamentais do tipo avoidance em trajetórias de objetos móveis." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/32870.

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Com o aumento na disponibilidade e considerável redução de custo das tecnologias que permitem a obtenção de dados de objetos móveis, torna-se abundante a oferta de dados de trajetórias. O estudo dessas trajetórias tem por objetivo permitir uma melhor compreensão dos dados, bem como a extração de novo conhecimento utilizando técnicas computacionais. Um tipo de estudo que pode ser realizado é a análise do comportamento das trajetórias de objetos móveis. O foco do estudo de padrões comportamentais em trajetórias tem sido a busca por padrões de aglomeração ou semelhança no deslocamento de entidades no espaço ou espaço-tempo. Este trabalho propõe a formalização de um novo padrão comportamental que indique quando um objeto móvel está evitando determinadas regiões espaciais. Este padrão foi denominado avoidance. A identificação e o estudo de tal comportamento pode ser de interesse de diversas áreas tais como segurança, jogos eletrônicos, comportamento social, entre outros. Inicialmente, este trabalho apresenta uma heurística com base nas observações das ocorrências do evento avoidance. A partir daí, são definidas as formalizações deste novo padrão. É apresentado, também, um algoritmo para identificar automaticamente o padrão comportamental avoidance em trajetórias de objetos móveis. Para avaliar a eficácia deste algoritmo, ao final desta dissertação são apresentados resultados de experimentos realizados em trajetórias coletadas por pedestres e por veículos em diversos locais da cidade de Porto Alegre e Xangri-lá.
With the increasing availability and considerable price reduction of technologies that allow the collection of moving object data, the offering of trajectory data becomes abundant. The study of these trajectories has the objective to allow a better understanding of the data, as well as the extraction of new knowledge using computational techniques. One of the possible studies is the analysis of the behavior of moving objects. The study on behavior patterns in trajectories has focused on agglomeration and similarity of entities moving in space or space and time. This work proposes the formalization of a new behavior pattern that indicates when a moving object is avoiding some determined spatial region, here called avoidance. The study and identification of this behavior may be of interest in many application areas, like security, electronic games, social behavior, and so on. Initially, this work presents an heuristic based on the observations of avoidance events, and based on this heuristic we define the formalization of this new kind of trajectory behavior pattern. This work also presents an algorithm to automatically identify this behavior in trajectories of moving objects. To evaluate the effectiveness of this algorithm, experiments were performed on trajectory datasets, collected by pedestrians in a park, and by vehicles at several places in the cities of Porto Alegre and Xangri-lá.
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Yuen, Barry King Bong. "Disputes of avoidance in electrical and mechanical contract in Hong Kong." access abstract and table of contents access full-text, 2006. http://libweb.cityu.edu.hk/cgi-bin/ezdb/dissert.pl?ma-slw-b21986034a.pdf.

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Thesis (M.A.)--City University of Hong Kong, 2006.
"City University of Hong Kong, School of Law, LW6409 Dissertation" Title from PDF t.p. (viewed on 29 Jun, 2007) Includes bibliographical references.
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Kwong, John Ka Sing. "Conflict avoidance and dispute resolution methods for public works contracts and the adoption of dispute resolution advisor system and adjudication in Hong Kong." access abstract and table of contents access full-text, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/dissert.pl?ma-slw-b20833659a.pdf.

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Kufskie, Kathy L. "Family functioning and parental divorce as predictors of attachment styles and sexual attitudes in college students." Diss., St. Louis, Mo. : University of Missouri--St. Louis, 2009. http://etd.umsl.edu/r4602.

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Ghasemi, Saeed, and Moussa Haisam El-hajj. "Fair Medium Access Control Mechanism Reducing Throughput Degradation in IEEE 802.11s Wireless Mesh Networks." Thesis, Malmö högskola, Fakulteten för teknik och samhälle (TS), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-20052.

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Denna rapport behandlar prestandaproblem i den nyligen standardiserade Mesh kommunikationsstandarden (IEEE 802.11s). I denna rapport, undersöker och förbättra vi ett förhållande som resulterar i reduktion av genomströmningen i en kedja av noder topologi. IEEE802.11s är mycket lovande med många fördelar för både IoT-systemen och trådlösa nätverk i båda hemmet och arbete.Vi arbetar med frågan om orättvisa när CSMA/CA tillämpas, vilket orsakar genomströmningsreduktion på grund av paketförluster och indikerar svältning. Vi analyserar konsekvenserna av Collision Avoidance (CA) mekanism och föreslår en ersättning för CA som är både rättvist och samtidigt kan upprätthålla undvikande av kollisioner. Vi implementera detta i en simulator och resultatet visar på betydligt högre end-to-end-genomströmning än standard CSMA/CA och inga paketförluster på grund av buffertspill.
This thesis rapport deals with the performance issues of the newly standardized Wireless mesh protocol (IEEE 802.11s). In this thesis, we work on improving the conditions that results in throughput degradation in a chain of nodes topology. The mesh standard is very promising with many advantages for both IoT systems and home wireless networks.We work on the issue of unfairness when CSMA/CA is applied, which causes throughput degradation due to packet loss and indicates starvation. We analyze the implication of the Collision Avoidance (CA) mechanism and propose a replacement for the CA that is both fair and able to maintain collision avoidance. We implement this in a simulator and the result shows significantly higher end-to-end throughput compared to the original CSMA/CA and no packet loss due to buffer overflow.
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Wei-TingChou and 周威廷. "Obstacle avoidance for non-convex map and dynamic environment." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/93dqmf.

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Lien, Po-Ching, and 連柏菁. "Obstacle Avoidance by Fuzzy Map Building for Automatic Guided Vehicle." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/55938833157303620030.

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碩士
國立臺北科技大學
電機工程系碩士班
92
In order to control the automatic guided vehicle (AGV) following a preset target and avoiding obstacle along the process, a fuzzy attraction force regulator and a fuzzy repulsive force regulator are proposed to control the AGV moving around the obstacle until attaining the preset target. A fuzzy attraction force regulator applies the heading orientation of mobile robot and target angle to provide attraction angle to achieve a preset target. A map building scheme utilizing fuzzy logic is applied in a fuzzy repulsive force regulator. The location of obstacle along the route is identified through map building. According to the estimated obstacle location, a repulsive density function and a fuzzy inference method of sonar range are cooperated to determine the obstacle avoiding direction. Due to the fact that sonar model and map building are mixed and incomplete, it will cause noise on the edge of the fuzzy map. We present fuzzy filter and mixed filtering method to improve map building.
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Books on the topic "Avoidance Map"

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Center, Ames Research, ed. Optimal guidance with obstacle avoidance for map-of-the-earth flight. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1989.

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Ridgway, Christie. Beach House No. 9. Don Mills, Ontario: Harlequin HQN, 2013.

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W, Holland Walter, and EC Working Group on Health Services and "Avoidable Deaths", eds. European Community atlas of 'avoidable death' 1985-89. Oxford: Oxford University Press, 1997.

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Baldelli, Pia G. Celozzi. Power politics, diplomacy, and the avoidance of hostilities between England and the United States in the wake of the Civil War. Lewiston, N.Y: Edwin Mellen Press, 1998.

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Brink, Andrew. Desire and avoidance in art: Psychobiographical studies with attachment theory of Pablo Picasso, Hans Bellmer, Balthus, and Joseph Cornell. New York: P. Lang, 2007.

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Protocol amending tax convention with Luxembourg: Report (to accompany Treaty doc. 111-8). Washington, D.C: U.S. G.P.O., 2011.

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Canada. Dept. of Foreign Affairs and International Trade. Taxation : convention between the Government of Canada and the Swiss Federal Council for the avoidance of double taxation with respect to taxes on income and on capital, Berne, May 5, 1997, in force April 21, 1998 =: Impôts : convention entre le gouvernement du Canada et le Conseil Fédéral Suisse en vue d'éviter les doubles impositions en matière d'impôts sur le revenu et sur la fortune, Berne, le 5 mai 1997, en vigueur le 21 avril 1998. Ottawa, Ont: Minister of Public Works and Government Services Canada = Ministre des travaux publics et services gouvernementaux Canada, 1998.

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Canada. Dept. of Foreign Affairs and International Trade. Taxation : agreement between the Government of Canada and the Government of the Slovak Republic for the avoidance of double taxation and the prevention of fiscal evasion with respect to taxes on income and on capital, Bratislava, May 22, 2001, in force December 20, 2001 =: Impôts : accord entre le Gouvernement du Canada et le Gouvernement de la République slovaque en vue d'éviter les doubles impositions et de prévenir l'évasion fiscale en matière d'impôts sur le revenu et sur la fortune, Bratislava, le 22 mai 2001, en vigueur le 20 décembre 2001. Ottawa, Ont: Minister of Public Works and Government Services Canada = Ministre des travaux publics et services gouvernementaux Canada, 1998.

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Canada. Dept. of Foreign Affairs and International Trade. Taxation : agreement between the Government of Canada and the Government of the Republic of India for the avoidance of double taxation and the prevention of fiscal evasion with respect to taxes on income and on capital (with protocol), Dehli, January 11, 1996, in force May 6, 1997 =: Impôts : accord entre le gouvernement du Canada et le gouvernement de la République de l'Inde en vue d'éviter les doubles impositions et de prévenir l'évasion fiscale en matière d'impôts sur le revenu et sur la fortune (avec protocole), Dehli, le 11 janvier 1996, en vigueur le 6 mai 1997. Ottawa, Ont: Queen's Printer = Imprimeur de la Reine, 1998.

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Canada. Dept. of Foreign Affairs and International Trade. Taxation : agreement between the Government of Canada and the Government of the Russian Federation for the avoidance of double taxation and the prevention of fiscal evasion with respect to taxes on income and on capital (with protocol), Ottawa, October 5, 1995, in force May 5, 1997 =: Impôts : accord entre le gouvernement du Canada et le gouvernement de la Fédération de la Russie en vue d'éviter les doubles impositions et de prévenir l'évasion fiscale en matière d'impôts sur le revenu et sur la fortune (avec protocole), Ottawa, le 5 octobre 1995, en vigueur le 5 mai 1997. Ottawa, Ont: Queen's Printer = Imprimeur de la Reine, 1998.

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Book chapters on the topic "Avoidance Map"

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Brockers, Roland, Anthony Fragoso, Brandon Rothrock, Connor Lee, and Larry Matthies. "Vision-Based Obstacle Avoidance for Micro Air Vehicles Using an Egocylindrical Depth Map." In Springer Proceedings in Advanced Robotics, 505–14. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50115-4_44.

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Temma, Daisuke, and Yuko Osana. "Obstacle Avoidance by Profit Sharing Using Self-Organizing Map-Based Probabilistic Associative Memory." In Artificial Neural Networks and Machine Learning – ICANN 2017, 52–59. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-68600-4_7.

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Lyu, Feng, Minglu Li, and Xuemin Shen. "Mobility-Aware and Collision-Avoidance MAC Design." In Wireless Networks, 25–52. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-51229-3_3.

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Song, Xiao Ou. "Dynamic MAC Protocol Designed for UAV Collision Avoidance System." In Advances in Intelligent Systems and Computing, 489–98. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61566-0_44.

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Liu, Bingyi, Jing Qin, Dongxiao Deng, Ze Wang, Shengwu Xiong, and Luyao Ye. "A Novel Collision-Avoidance TDMA MAC Protocol for Fog-Assisted VCNs." In Neural Computing for Advanced Applications, 395–407. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7670-6_33.

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Wang, Ke, Wei Chen, Junna Zhou, and Yang Zhang. "Efficient Beacon Collision Avoidance Mechanism Using Neighbor Tables at MAC Layer." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 396–405. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60717-7_39.

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Kim, Seong Cheol, Hyun Joo Park, and Jun Heon Jeon. "Low Latency and Collision Avoidance MAC Protocol in Wireless Multimedia Sensor Networks." In Lecture Notes in Electrical Engineering, 715–21. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-6516-0_80.

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Wan Abdullah, Wan Aida Nadia, Naimah Yaakob, R. Badlishah Ahmad, Mohamed Elshaikh Elobaid, S. N. Azemi, and Siti Asilah Yah. "A PSPT-MAC Mechanism for Congestion Avoidance in Wireless Body Area Network." In Embracing Industry 4.0, 61–71. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6025-5_6.

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Ghribi, Mayssa, and Aref Meddeb. "CaWuQoS-MAC: Collision Avoidance and QoS Based MAC Protocol for Wake-Up Radio Enabled IoT Networks." In Advanced Information Networking and Applications, 79–90. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99584-3_8.

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Karouta, Jeremy, Ángela Ribeiro, and Dionisio Andújar. "Robotics: Mobility." In Manuali – Scienze Tecnologiche, 24. Florence: Firenze University Press, 2020. http://dx.doi.org/10.36253/978-88-5518-044-3.24.

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Mobility: This topic will use the framework introduced in the introduction to explain what mobility means, and what design choices are made for field operation. It will briefly discuss different sensing techniques, and will go in more depth on how a robot may use sensory input to make appropriate decisions for basic navigation as well as object avoidance. Finally, it will discuss path planning and its difficulties.
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Conference papers on the topic "Avoidance Map"

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Liu, Yuejiang, An Xu, and Zichong Chen. "Map-based Deep Imitation Learning for Obstacle Avoidance." In 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). IEEE, 2018. http://dx.doi.org/10.1109/iros.2018.8593683.

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Pendleton, S. "Moving Obstacle Avoidance Via Time-Varying Cost Map." In Proceedings of The 3rd IFToMM International Symposium on Robotics and Mechatronics, Chair X. Shen and M. H. Ang. Singapore: Research Publishing Services, 2013. http://dx.doi.org/10.3850/978-981-07-7744-9_092.

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Tony, Lima A., and Debasish Ghose. "Time-Graded Avoidance Map for Constrained Aerial Traffic." In AIAA SCITECH 2022 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2022. http://dx.doi.org/10.2514/6.2022-2158.

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Dasgupta, Ranjan, Ritwick Mukherjee, and Amitava Gupta. "Congestion avoidance topology in wireless sensor network using Karnaugh map." In 2015 Applications and Innovations in Mobile Computing (AIMoC). IEEE, 2015. http://dx.doi.org/10.1109/aimoc.2015.7083835.

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Borenstein, Johann, and Yoram Koren. "Real-time map building for fast mobile robot obstacle avoidance." In Fibers '91, Boston, MA, edited by Wendell H. Chun and William J. Wolfe. SPIE, 1991. http://dx.doi.org/10.1117/12.25455.

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Yao, Shunyi, Guangda Chen, Lifan Pan, Jun Ma, Jianmin Ji, and Xiaoping Chen. "Multi-Robot Collision Avoidance with Map-based Deep Reinforcement Learning." In 2020 IEEE 32nd International Conference on Tools with Artificial Intelligence (ICTAI). IEEE, 2020. http://dx.doi.org/10.1109/ictai50040.2020.00088.

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Mayank, Anurag, Dhruv Bhandari, Agam Bhamra, and Akshar Srivastava. "Real time map generation and obstacle avoidance using parallel fuzzy controller." In 2013 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE). IEEE, 2013. http://dx.doi.org/10.1109/fuzz-ieee.2013.6622549.

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Shi, Xuanyang, Junyao Gao, Yi Liu, Jingchao Zhao, Fangzhou Zhao, Haoxiang Cao, and Chuzhao Liu. "Low-cost map building and obstacle avoidance of miniature reconnaissance robot." In 2016 IEEE International Conference on Robotics and Biomimetics (ROBIO). IEEE, 2016. http://dx.doi.org/10.1109/robio.2016.7866323.

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Saidi, Sabrina Mohand, and Rabah Mellah. "Mobile Robot Environment Map Building, Trajectory Tracking and Collision Avoidance Applications." In 2019 International Conference on Advanced Electrical Engineering (ICAEE). IEEE, 2019. http://dx.doi.org/10.1109/icaee47123.2019.9014773.

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Cheng, Peng, Yong Liu, and Ke Wang. "Real-time Map Construction and Emergency Obstacle Avoidance Algorithm for Mobile Robot." In 2020 Chinese Control And Decision Conference (CCDC). IEEE, 2020. http://dx.doi.org/10.1109/ccdc49329.2020.9164077.

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Reports on the topic "Avoidance Map"

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Hoffmann, Bridget, and Juan Pablo Rud. Open configuration options Exposure or Income? The Unequal Effects of Pollution on Daily Labor Supply. Inter-American Development Bank, February 2022. http://dx.doi.org/10.18235/0004003.

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We use high-frequency data on fine particulate matter air pollution (PM 2.5) at the locality level to study the effects of high pollution on labor supply decisions and hospitalizations for respiratory disease in the metropolitan area of Mexico City. We document a negative, non-linear relationship between PM 2.5 and same-day labor supply, with strong effects on days with extremely high pollution levels. On these days, the average worker experiences a reduction of around 7.5% of working hours. Workers partially compensate for lost hours by increasing their labor supply on days that follow high-pollution days. Informal workers reduce their labor supply less than formal workers on high-pollution days and also compensate less on the following days. This suggests that informal workers may experience greater exposure to high pollution and greater reductions in labor supply and income. We provide evidence that reductions in labor supply due to high pollution are consistent with avoidance behavior and that income constraints may play an important role in workers' labor supply decisions.
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Jukes, Matthew C. H., Yasmin Sitabkhan, and Jovina J. Tibenda. Adapting Pedagogy to Cultural Context. RTI Press, September 2021. http://dx.doi.org/10.3768/rtipress.2021.op.0070.2109.

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This paper argues that many pedagogical reform efforts falter because they fail to consider the cultural context of teacher and student behavior. Little guidance exists on how to adapt teaching practices to be compatible with culturally influenced behaviors and beliefs. We present evidence from three studies conducted as part of a large basic education program in Tanzania showing that some teaching activities are less effective or not well implemented because of culturally influenced behaviors in the classroom, namely children’s lack of confidence to speak up in class; a commitment to togetherness, fairness, and cooperation; avoidance of embarrassment; and age-graded authority. We propose ways teaching activities can be adapted to take these behaviors into account while still adhering to fundamental principles of effective learning, including student participation in their own learning, teaching at the right level, and monitoring students as a basis for adjusting instruction. Such adaptations may be made most effective by engaging teachers in co-creation of teaching activities.
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Fromm, Hillel, Paul Michael Hasegawa, and Aaron Fait. Calcium-regulated Transcription Factors Mediating Carbon Metabolism in Response to Drought. United States Department of Agriculture, June 2013. http://dx.doi.org/10.32747/2013.7699847.bard.

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Original objectives: The long-term goal of the proposed research is to elucidate the transcription factors, genes and metabolic networks involved in carbon metabolism and partitioning in response to water deficit. The proposed research focuses on the GTLcalcium/calmodulinbindingTFs and the gene and metabolic networks modulated by these TFs in Arabidopsis thaliana. The specific objectives are as follows. Objective-1 (USA): Physiological analyses of GTL1 loss- and gain-of-function plants under water sufficient and drought stress conditions Objective 2 (USA / Israel-TAU): Characterizion of GTL target genes and bioinformatic analysis of data to eulcidate gene-network topology. Objective-3 (Israel-TAU): Regulation of GTLmediated transcription by Ca²⁺/calmodulin: mechanism and biological significance. Objective-4 (Israel-BGU): Metabolic networks and carbon partitioning in response to drought. Additional direction: In the course of the project we added another direction, which was reported in the 2nd annual report, to elucidate genes controlling drought avoidance. The TAU team has isolated a few unhydrotropic (hyd) mutants and are in the process of mapping these mutations (of hyd13 and hyd15; see last year's report for a description of these mutants under salt stress) in the Arabidopsis genome by map-based cloning and deep sequencing. For this purpose, each hyd mutant was crossed with a wild type plant of the Landsberg ecotype, and at the F2 stage, 500-700 seedlings showing the unhydrotropic phenotype were collected separately and pooled DNA samples were subkected to the Illumina deep sequencing technology. Bioinformatics were used to identify the exact genomic positions of the mutations (based on a comparison of the genomic sequences of the two Arabidopsis thaliana ecotypes (Columbia and Landsberg). Background: To feed the 9 billion people or more, expected to live on Earth by the mid 21st century, the production of high-quality food must increase substantially. Based on a 2009 Declaration of the World Summit on Food Security, a target of 70% more global food production by the year 2050 was marked, an unprecedented food-production growth rate. Importantly, due to the larger areas of low-yielding land globally, low-yielding environments offer the greatest opportunity for substantial increases in global food production. Nowadays, 70% of the global available water is used by agriculture, and 40% of the world food is produced from irrigated soils. Therefore, much needs to be done towards improving the efficiency of water use by plants, accompanied by increased crop yield production under water-limiting conditions. Major conclusions, solutions and achievements: We established that AtGTL1 (Arabidopsis thaliana GT-2 LIKE1) is a focal determinant in water deficit (drought) signaling and tolerance, and water use efficiency (WUE). The GTL1 transcription factor is an upstream regulator of stomatal development as a transrepressor of AtSDD1, which encodes a subtilisin protease that activates a MAP kinase pathway that negatively regulates stomatal lineage and density. GTL1 binds to the core GT3 cis-element in the SDD1 promoter and transrepresses its expression under water-sufficient conditions. GTL1 loss-of-function mutants have reduced stomatal number and transpiration, and enhanced drought tolerance and WUE. In this case, higher WUE under water sufficient conditions occurs without reduction in absolute biomass accumulation or carbon assimilation, indicating that gtl1-mediated effects on stomatal conductance and transpiration do not substantially affect CO₂ uptake. These results are proof-of-concept that fine-tuned regulation of stomatal density can result in drought tolerance and higher WUE with maintenance of yield stability. Implications: Accomplishments during the IS-4243-09R project provide unique tools for continued discovery research to enhance plant drought tolerance and WUE.
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Yogev, David, Ricardo Rosenbusch, Sharon Levisohn, and Eitan Rapoport. Molecular Pathogenesis of Mycoplasma bovis and Mycoplasma agalactiae and its Application in Diagnosis and Control. United States Department of Agriculture, April 2000. http://dx.doi.org/10.32747/2000.7573073.bard.

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Mycoplasma bovis and M. agalactiae are two phylogenetically related mycoplasmas which cause economically significant diseases in their respective bovine or small ruminant hosts. These organisms cause persistent asymptomatic infections that can result in severe outbreaks upon introduction of carrier animals into susceptible herds. Little is known about the mechanisms underlying mycoplasma-host interaction, variation in virulence, or of the factors enabling avoidance of the host immune system. In recent years it has become apparent that the ability of pathogenic microorganisms to rapidly alter surface antigenic structures and to fine tune their antigenicity, a phenomena called antigenic variation, is one of the most effective strategies used to escape immune destruction and to establish chronic infections. Our discovery of a novel genetic system, mediating antigenic variation in M. bovis (vsp) as well as in M. agalactiae (avg) served as a starting point for our proposal which included the following objectives: (i) Molecular and functional characterization of the variable surface lipoproteins (Vsp) system of M. bovis and comparison with the Vsp-counterpart in M. agalactiae (ii) Determination of the role of Vsp proteins in the survival of M. bovis when confronted by host defense factors, (iii) Assessment of Vsp-based genetic and antigenic typing of M. bovis and M. agalactiae for epidemiology of infection and (iv) Improvement of diagnostic tests for M. bovis and M. agalactiae based on the vsp-and vsp-analogous systems. We have carried out an extensive molecular characterization of the vsp system and unravelled the precise molecular mechanism responsible for the generation of surface antigenic variation in M. bovis. Our data clearly demonstrated that the two pathogenic mycoplasma species possess large gene families encoding variable lipoprotein antigens that apparently play an important role in immune evasion and in pathogen-host interaction during infection. Phase variable production of these antigens was found to be mediated by a novel molecular mechanism utilizing double site-specific DNA inversions via an intermediate vsp configuration. Studies in model systems indicate that phase variation of VspA is relevant in interaction between M. bovis and macrophages or monocytes, a crucial stage in pathogenesis. Using an ELISA test with captured VspA as an antigen, phase variation was shown to occur in vivo and under field conditions. Genomic rearrangements in the avg gene family of M. agalactiae were shown to occur in vivo and may well have a role in evasion of host defences and establishment of chronic infection. An epidemiological study indicated that patterns of vsp-related antigenic variation diverge rapidly in an M. bovis infected herd. Marked divergence was also found with avg-based genomic typing of M. agalactiae in chronically infected sheep. However, avg-genomic fingerprints were found to be relatively homogeneous in different animals during acute stages of an outbreak of Contagious Agalactiae, and differ between unrelated outbreaks. These data support the concept of vsp-based genomic typing but indicate the necessity for further refinement of the methodology. The molecular knowledge on these surface antigens and their encoding genes provides the basis for generating specific recombinant tools and serological methods for serodiagnosis and epidemiological purposes. Utilization of these methods in the field may allow differentiating acutely infected herds from chronic herds and disease-free herds. In addition the highly immunogenic nature of these lipoproteins may facilitate the design of protective vaccine against mycoplasma infections.
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Boustati, Alma. The Advantages and Disadvantage of Double Taxation Agreements for Developing Countries. Institute of Development Studies, September 2022. http://dx.doi.org/10.19088/k4d.2022.143.

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When a developing and a developed country sign Double Taxation Agreements (DTAs), its generally the case that the developing country is the one that forgoes some of its tax revenues (Braun & Fuentes, 2016). Nevertheless, developing countries enter these agreements on the assumption that this will have enough economic benefits to offset these losses (Neumayer, 2007). Besides alleviating the burden of double taxation, DTAs also have the added value of improving exchange of information, which helps combat tax evasion and avoidance (Barthel et al., 2009). One of the incentives for signing DTAs for developing countries is the increase in Foreign Direct Investments (FDIs) (Neumayer, 2007). The evidence from the literature on the link between signing DTAs and increasing FDIs is very mixed, with some finding a positive impact and others finding no impact (Quak & Timmis, 2018). However, the literature points to some clear factors that drive the relationship between FDIs and DTAs. There are also studies that attempt to quantify the tax revenue loss of developing countries when they enter DTAs. All the studies find substantial negative loss, although most do not account for the potential benefit of increased FDIs (ActionAid, 2016; IMF, 2014; Janský & Šedivý, 2018; McGauran, 2013; Van de Poel, 2016). There are also other reasons for why developing countries may still commit to negotiate and enter DTAs even when the benefits are not guaranteed. This includes increasing diplomatic ties with the treaty partner and the incentive of receiving foreign aid (Braun and Zagler, 2017). The other is a prisoner’s dilemma situation. The two most prevalent DTA conventions are the OECD Model and the UN Model. The UN Model tends to be more advantageous for developing countries compared to the OECD Model (Eyitayo-Oyesode, 2020). There are many issues over which the UN Committee’s expert members from developed and developing countries disagree but developed country member are better at influencing decisions. Finally, the OECD Model is updated more frequently, resulting in the UN one being comparatively out of date (Hearson, 2015; Quak & Timmis, 2018). Generally, the literature on the impact of DTAs on developing countries’ economies is extensive. This is especially the case for the impact of DTAs on FDIs as well as on tax revenue loss. However, because of the complexity of these issues, many of the empirical studies inevitably suffer from methodological issues that make conclusive claims very difficult. Notably missing from the literature is the impact of DTAs on international trade.
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