Relevant bibliographies by topics / Obstacle sensor

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Obstacle sensor'

Author: Grafiati
Published: 5 June 2025
Last updated: 2 August 2025

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Journal articles on the topic "Obstacle sensor"

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Lee, Chao Yang, Fu Tian Lin, and Chu Sing Yang. "Mobile Sensor Navigation in Wireless Hybrid Sensor Networks." Advanced Materials Research 694-697 (May 2013): 1013–16. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.1013.

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With recent advances in mobile platforms, hybrid sensor networks are becoming very popular technology. Mobile sensors can dynamically move to monitor uncovered areas and thus improve the coverage quality. Due to the obstacles may exist in the monitor fields, mobile sensors need to find an obstacle-free moving path for mobile sensor movement. However, in practical, sensors are difficult to obtain the geographic information of obstacles. Additionally, sensors have resource constraints. Hence, this work proposed an obstacle-free and geographic-free dispatch scheme (OGDS) for mobile sensor navigat
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Wu, Jianhong. "Research on Obstacle Avoidance Control of Intelligent Robots Based on Multi-Sensor Fusion." Highlights in Science, Engineering and Technology 114 (October 31, 2024): 24–30. http://dx.doi.org/10.54097/r4qytk13.

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When the obstacle avoidance control of an intelligent robot only uses a single sensor, there will be many limitations. Using multi-sensor fusion for obstacle avoidance control can combine the characteristics of different sensors to enhance the robot’s obstacle avoidance capabilities. This article analyzes the characteristics of ultrasonic sensors, LiDAR, visual sensors, and infrared sensors, showcasing the development of multi-sensor fusion through existing robot applications based on multi-sensor fusion. It demonstrates the impact of control systems combining data from multiple different type
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Kumbhar, Prof N. A. "Obstacle Avoiding Car." International Journal for Research in Applied Science and Engineering Technology 11, no. 5 (2023): 5806–9. http://dx.doi.org/10.22214/ijraset.2023.53042.

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Abstract: This research discusses an ultrasonic sensor-controlled robot vehicle that can avoid obstacles. The robot is constructed with an ultrasonic sensor, and an Arduino microcontroller is used to operate it. Ultrasonic sensor mounted on the robot vehicle's front end. Through sensors that are attached on the robot, the sensor receives data from its surroundings. The sensor detects the obstruction and changes its course to choose a path devoid of obstacles. The sensor will be send the data to the controller is compared with controller to decide the movement of the robot Wheel. The robot whee
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Zhao, Jianwei, Jianhua Fang, Shouzhong Wang, Kun Wang, Chengxiang Liu, and Tao Han. "Obstacle Avoidance of Multi-Sensor Intelligent Robot Based on Road Sign Detection." Sensors 21, no. 20 (2021): 6777. http://dx.doi.org/10.3390/s21206777.

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The existing ultrasonic obstacle avoidance robot only uses an ultrasonic sensor in the process of obstacle avoidance, which can only be avoided according to the fixed obstacle avoidance route. Obstacle avoidance cannot follow additional information. At the same time, existing robots rarely involve the obstacle avoidance strategy of avoiding pits. In this study, on the basis of ultrasonic sensor obstacle avoidance, visual information is added so the robot in the process of obstacle avoidance can refer to the direction indicated by road signs to avoid obstacles, at the same time, the study added
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Yamamoto, Motoji, Nobuhiro Ushimi, and Akira Mohri. "Development of Sensor-Based Navigation for Mobile Robots Using Target Direction Sensor." Journal of Robotics and Mechatronics 11, no. 1 (1999): 39–44. http://dx.doi.org/10.20965/jrm.1999.p0039.

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Sensor-based navigation used a target direction sensor for mobile robots among unknown obstacles in work space is discussed. The advantage of target direction information is robustness of measurement error for online navigation, compared to robot location information. Convergence of navigation using target direction information is discussed. An actual sensor system using two CdS sensors to measure target direction is proposed. Using target direction information, we present a new sensor based navigation algorithm in unknown obstacle environment. The navigation algorithm is based on target direc
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Yanmida, Dele Zacheaus, Abubakar Surajo Imam, and Sabur Ajibola Alim. "Obstacle Detection and Anti-Collision Robot Using Ultrasonic Sensor." ELEKTRIKA- Journal of Electrical Engineering 22, no. 1 (2023): 11–14. http://dx.doi.org/10.11113/elektrika.v22n1.404.

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Obstacle detection can be considered central and paramount in designing mobile robots. This technique enables mobile robots equipped with sensors to transverse and maneuver freely in an environment preventing damage as a result of a collision with obstacles in its path. Several systems with different approaches have been developed for the anti-collision of a robot with obstacles. The approach to Sensor selection, path planning, and navigation processes determines the operation of such a system and differs from one another. This paper presents a low-cost ultrasonic distance sensor for obstacle
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Ma, Jiajun. "Obstacle Detection and Avoidance Using Ultrasonic Sensors in Autonomous Robots." Highlights in Science, Engineering and Technology 71 (November 28, 2023): 68–78. http://dx.doi.org/10.54097/hset.v71i.12378.

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Autonomous robots have recently gained traction in a variety of industries due to their efficiency and possible cost savings. However, assuring the safety and dependability of these robots is critical, especially in terms of obstacle detection and avoidance. Ultrasonic sensors, which are known for their low cost, user-friendliness, and dependability, have emerged as a popular and practical solution to this problem. In this paper, the author offer a framework for using numerous ultrasonic sensors in autonomous robots to detect and avoid obstacles.In our approach, real-time sensor data processin
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Wani, Swapnil B., Ramiz Abrar Ahmed Shaikh, and Amol A. Nagaokar. "Electronic Blind Stick." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 01 (2025): 1–9. https://doi.org/10.55041/ijsrem40484.

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Blind stick is an innovative stick designed for visually disabled people for improved navigation. We here propose an advanced blind stick that allows visually challenged people to navigate with ease using advanced technology. The blind stick is integrated with ultrasonic sensor along with light and water sensing. Our proposed project first uses ultrasonic sensors to detect obstacles ahead using ultrasonic waves. On sensing obstacles the sensor passes this data to the microcontroller. The microcontroller then processes this data and calculates if the obstacle is close enough. If the obstacle is
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He, Hui Juan, De Zhang Xu, and Lei Wang. "Research of Ultrasonic Used in Mobile Robot Obstacle Detection." Applied Mechanics and Materials 556-562 (May 2014): 2563–66. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.2563.

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Mobile robot is an important branch in the technological field of the robot.It refers to computer science,automation,mechanism,electronic science etal .In the mobile robot technology research,the mobile robot obstacle detection is one important research aspect of the robot.In this article,by the motor of Shanghai Ingenious Automation Co,Ltd, at first, it measured the distance of the obstacle in front of the robot by using of the ultrasonic sensor and the related software installed inside the robot, analyzed the reasons for the error; and then took the obstacles avoiding experiments by using of
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Ramli, Muhammad Faiz Bin, Syariful Syafiq Shamsudin, and Ari Legowo. "Obstacle detection technique using multi sensor integration for small unmanned aerial vehicle." Indonesian Journal of Electrical Engineering and Computer Science 8, no. 2 (2017): 441. http://dx.doi.org/10.11591/ijeecs.v8.i2.pp441-449.

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<p class="Abstract">Achieving a robust obstacle detection system for small UAV is very challenging. Due to size and weight constraints, very limited detection sensors can be equipped in the system. Prior works focused on a single sensing device which is either camera or range sensors based. However, these sensors have their own advantages and disadvantages in detecting the appearance of the obstacles. In this paper, combination of both sensors based is proposed for a small UAV obstacle detection system. A small Lidar sensor is used as the initial detector and queue for image capturing by
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Dissertations / Theses on the topic "Obstacle sensor"

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Doyle, Rory Stephen. "Neurofuzzy multi-sensor data fusion for helicopter obstacle avoidance." Thesis, University of Southampton, 1997. https://eprints.soton.ac.uk/250033/.

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Hazardous weather conditions significantly limit the operational capability of civil helicopters. This limitation arises from the crew's inability to determine the location of obstacles in the environment by sight. In order to assist the crew in these circumstances a range of equipment and sensors may be installed in the helicopter. However, with multiple sensors on board, the problem of efficiently assimilating the large amount of imagery and data available generates a significant workload. A reduction of the workload may be achieved by the automation of this assimilation (sensor fusion) and
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Rockey, Chad A. "Low-cost Sensor Package for Smart Wheelchair Obstacle Avoidance." Case Western Reserve University School of Graduate Studies / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=case1327595053.

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Stefansson, Thor. "3D obstacle avoidance for drones using a realistic sensor setup." Thesis, KTH, Robotik, perception och lärande, RPL, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-233807.

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Obstacle avoidance is a well researched area, however most of the works only consider a 2D environment. Drones can move in three dimensions. It is therefore of interest to develop a system that ensures safe flight in these three dimensions. Obstacle avoidance is of highest importance for drones if they are intended to work autonomously and around humans, since drones are often fragile and have fast moving propellers that can hurt humans. This project is based on the obstacle restriction algorithm in 3D, and uses OctoMap to conveniently use the sensor data from multiple sensors simultaneously a
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Höjer, Vidar, and Alexander Sundberg. "Active Dampening : Servo controlled suspension with infrared sensor obstacle detection." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264455.

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The purpose of this project was to create an active dampening suspension for a small prototype that was able to detect obstacles using infrared sensors. The suspension system consisted of servomotors that controlled the angle of a leg upon which a wheel was attached. The infrared distance sensor measured the height of obstacles and the necessary raising of the suspension was calculated on a microcomputer of type Arduino Uno. It was concluded that the constructed system of suspension and obstacle detection was inadequate. Most subsystems worked but not as a whole.<br>Syftet med detta projekt va
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Mentzer, Christopher Isaac. "Sensor integration for implementation of obstacle avoidance in an autonomous helicopter system." Texas A&M University, 2003. http://hdl.handle.net/1969.1/3874.

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This thesis describes the development of the Texas A&M University Autonomous Helicopter System and the integration of obstacle avoidance capabilities into that system. The helicopter system, composed of a Bergen Observer helicopter and a Rotomotion Autonomous Flight Control System (AFCS), was developed as a platform to support the development of the obstacle avoidance system through integration of sensors and onboard processing capabilities. The system has proven in various flight tests that it has the capability to autonomously hover and fly to user defined GPS waypoints. The obstacle avoidan
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Sattler, Nathaniel M. (Nathaniel Mark) 1980. "A sensor-based obstacle avoidance system for an under-canopy autonomous aircraft." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/87888.

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Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.<br>Includes bibliographical references (p. 239-241).<br>by Nathaniel M. Sattler.<br>M.Eng.
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Wei, Zhaoyi. "Real-Time Optical Flow Sensor Design and its Application on Obstacle Detection." Diss., CLICK HERE for online access, 2009. http://contentdm.lib.byu.edu/ETD/image/etd2916.pdf.

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Habermann, Danilo. "Detecção e rastreamento de obstáculos com uso de sensor laser de varredura." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/3/3139/tde-20102010-150541/.

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Este trabalho apresenta um sistema de rastreamento de obstáculos, utilizando sensor laser 2D e filtro de Kalman. Este filtro não é muito eficiente em situações em que ocorrem severas perturbações na posição medida do obstáculo, como, por exemplo, um objeto rastreado passando por trás de uma barreira, interrompendo o feixe de laser por alguns instantes, tornando impossível receber do sensor as informações sobre sua posição. Este trabalho sugere um método de minimizar esse problema com o uso de um algoritmo denominado Corretor de Discrepâncias.<br>An obstacle detection and tracking system using
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Skácel, Martin. "Lokální navigace robotu pro vnější použití." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218386.

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This diploma thesis deals with complete designing and implementation of local navigation of a robot which travels according to set GPS. This work contains a study of contemporary used principles of the sensors which can be used as the components of the robot. There are sensors for measuring the surroundings of the robot and orientation of the robot in the environs. The equipment includes an instructing control unit with the ATmega8 microcontroller. This equipment collects data from the sensors and transfers them to the other systems of the robot. The following part of the thesis deals with the
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Gálvez, del Postigo Fernández Carlos. "Grid-Based Multi-Sensor Fusion for On-Road Obstacle Detection: Application to Autonomous Driving." Thesis, KTH, Datorseende och robotik, CVAP, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-173316.

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Self-driving cars have recently become a challenging research topic, with the aim of making transportation safer and more efficient. Current advanced driving assistance systems (ADAS) allow cars to drive autonomously by following lane markings, identifying road signs and detecting pedestrians and other vehicles. In this thesis work we improve the robustness of autonomous cars by designing an on-road obstacle detection system. The proposed solution consists on the low-level fusion of radar and lidar through the occupancy grid framework. Two inference theories are implemented and evaluated: Baye
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Books on the topic "Obstacle sensor"

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Ok, Do Kyeong. A computer simulation study of a sensor-based heuristic navigation for three-dimensional rough terrain with obstacles. Naval Postgraduate School, 1989.

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Stochastic performance modeling and evaluation of obstacle detectability with imaging range sensors. National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology, 1993.

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Yaffe, Gideon. Giving Kids a Break. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198803324.003.0007.

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Completing the book’s central argument, the chapter argues that to have a say over the law is to be entitled to exert influence over it, entitled to be free of obstacles to exercising that entitlement, and to be actually free of those obstacles. Since kids have less say over law than adults, in this sense, they have weaker legal reasons to refrain from crimes. They are therefore reduced in culpability for crimes in comparison to adults and deserving of lesser sanction. The chapter also argues that children ought to have less say over the law than adults. An age threshold for the vote serves tw
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Stanghellini, Giovanni. Second-order empathy. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198792062.003.0035.

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This chapter reports a case study of ‘manipulation’. It argues that the case study of manipulation confirms that the supposition that the Other lives in a world just like my own is often the cause of serious misunderstandings—the source of negative emotions and of misleading value judgements and stigmatization that interfere with one’s capacity to care for other persons and to make sense of their behaviour. In order to empathize with these persons and make sense of their behaviour we need to acknowledge the existential difference, the particular autonomy, which separates us from their way of b
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Gamberini, Andrea. The Ideology of the Regional State. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198824312.003.0015.

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This chapter analyses the way in which the Visconti justified their seigneury and their expansionist policies on an ethical and political level. They attempted to set themselves up as paladins in the war against tyranny—now seen not in its traditional sense as one of the degenerate forms of government, but as a division of the political body, a prime cause of war and an obstacle to peace. Through this intrepid conceptual twist, pro-Visconti circles were thus notably successful in deflecting any delegitimizing accusation away from their masters, while at the same time elaborating an ethico-poli
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Brachman, Ronald J., and Hector J. Levesque. Machines like Us. The MIT Press, 2022. http://dx.doi.org/10.7551/mitpress/14299.001.0001.

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How we can create artificial intelligence with broad, robust common sense rather than narrow, specialized expertise. It's sometime in the not-so-distant future, and you send your fully autonomous self-driving car to the store to pick up your grocery order. The car is endowed with as much capability as an artificial intelligence agent can have, programmed to drive better than you do. But when the car encounters a traffic light stuck on red, it just sits there—indefinitely. Its obstacle-avoidance, lane-following, and route-calculation capacities are all irrelevant; it fails to act because it lac
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Steiner, Hillel. On the Conflict Between Liberty and Equality. Edited by David Schmidtz and Carmen E. Pavel. Oxford University Press, 2016. http://dx.doi.org/10.1093/oxfordhb/9780199989423.013.2.

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This chapter argues that, if liberty is understood strictly in its “negative” sense, that is, as the absence of obstacles to action imposed by humans, then Isaiah Berlin and Ronald Dworkin and others are mistaken in claiming that there is a conflict between the respective demands of liberty and equality. This chapter demonstrates that there is no such conflict because any gain in some person’s liberty is accompanied by a loss in liberty on the part of others, even if certain values associated with liberty and equality may sometimes conflict with them. As a result, enforced egalitarian policies
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Bennett, Mark D., and Joan M. Gibson. A Field Guide to Good Decisions. Praeger, 2006. http://dx.doi.org/10.5040/9798400650789.

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We all face tough choices: business executives, community leaders, and family members all struggle with difficult decisions on a daily basis. What we decide reveals what really matters to us; how we decide determines whether we succeed or fail. Developed over twenty years in settings as diverse as hospital bedsides and corporate boardrooms,A Field Guide to Good Decisionsprovides the skills to make decisions that reflect your core values while respecting those of others, including the long-term implications for all participants. Illustrated through many real-life examples that will resonate wit
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Pfaller, Robert. Against Participation. Edinburgh University Press, 2018. http://dx.doi.org/10.3366/edinburgh/9781474422925.003.0006.

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Just like the ‘theory’ of interactivity, also that of participation can be seen as one of the key theoretical foes of the theory of interpassivity. It can be demonstrated that these (at their respective times) highly fashionable yet little explicative theories do not contribute to a better understanding of the artistic practices they claim to describe. Rather, they have to be seen as ‘spontaneous philosophies’ (in the sense coined by Louis Althusser): due to their unquestioned philosophical premises, they form epistemological obstacles to a proper understanding of contemporary artistic practic
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Tempenis, Maria, Beth Walton, and Robert P. McNamara. Crossing the Line. www.praeger.com, 1999. http://dx.doi.org/10.5040/9798216188186.

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Despite the increased number of interracial marriages in recent years, Black/White couples still experience a host of problems in American society, particularly in the South. Drawing on extensive interviews with 28 Black/White couples living in the South, this ethnographic study describes the issues and obstacles these couples have to face and documents their overwhelming sense of social isolation. The problems include hostility, encountered while the couple is in public, ranging from stares to outright attacks, as well as a lack of support and ostracization by their families. After discussing
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Book chapters on the topic "Obstacle sensor"

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Wei, Zhaoyi, Dah-Jye Lee, Brent E. Nelson, and Kirt D. Lillywhite. "Accurate Optical Flow Sensor for Obstacle Avoidance." In Advances in Visual Computing. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-89639-5_23.

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Nikoletseas, Sotiris, and Olivier Powell. "Obstacle Avoidance Algorithms in Wireless Sensor Networks." In Encyclopedia of Algorithms. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-2864-4_262.

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Nikoletseas, Sotiris, and Olivier Powell. "Obstacle Avoidance Algorithms in Wireless Sensor Networks." In Encyclopedia of Algorithms. Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-30162-4_262.

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Papa, Umberto. "Optical Sensor for UAS Aided Landing." In Embedded Platforms for UAS Landing Path and Obstacle Detection. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73174-2_5.

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Matsushima, Yukiko, Teruo Kimura, Feifei Cho, and Noboru Yabuki. "An Examination of Obstacle Avoidance by Sound for Visually Impaired Children." In Sensor Networks and Signal Processing. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4917-5_13.

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Menezes, Paulo, Jorge Dias, Helder Araújo, and Aníbal de Almeida. "Low cost sensor based obstacle detection and description." In Experimental Robotics IV. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/bfb0035214.

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Papa, Umberto. "Sonar Sensor Model for Safe Landing and Obstacle Detection." In Embedded Platforms for UAS Landing Path and Obstacle Detection. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73174-2_2.

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Filonenko, Alexander, Danilo Cáceres Hernández, Andrey Vavilin, Taeho Kim, and Kang-Hyun Jo. "Distance Sensor Fusion for Obstacle Detection at Night Based on Kinect Sensors." In Intelligent Computing Theories and Methodologies. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22186-1_13.

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Hsu, Ming-Tsung, Frank Yeong-Sung Lin, Yue-Shan Chang, and Tong-Ying Juang. "Reliable Greedy Forwarding in Obstacle-Aware Wireless Sensor Networks." In Algorithms and Architectures for Parallel Processing. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03095-6_75.

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Diep, D., A. Johannet, P. Bonnefoy, and F. Harroy. "Obstacle Identification by an Ultrasound Sensor Using Neural Networks." In Artificial Neural Nets and Genetic Algorithms. Springer Vienna, 1998. http://dx.doi.org/10.1007/978-3-7091-6492-1_1.

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Conference papers on the topic "Obstacle sensor"

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Dittrich, Joerg, Florian-Michael Adolf, and Simon Schopferer. "Impact of Obstacle Sensor Choice on Preliminary Unmanned Helicopter Design and Mission Performance in Obstacle Fields." In Vertical Flight Society 71st Annual Forum & Technology Display. The Vertical Flight Society, 2015. http://dx.doi.org/10.4050/f-0071-2015-10291.

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Through combining environmental sensing by the use of LIDAR, RADAR, stereo vision and other similar ranging sensors with automatic online flight path generation, unmanned helicopters gain the capability of automatic low-level flight in the presence of obstacles. Depending on sensor and planner choice, travel times will vary considerably for missions that includes low altitude flight segments in obstacle avoidance mode. The choice of sensors and necessary processing computers will also affect equipment weight and can adversely impact helicopter performance with respect to payload capability. Fo
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Troesch, N., A. Vena, S. Pistre, Y. Elkaim, and Ph Combette. "Resonant Sensor for Obstacle Detection in Fresh Water." In 2024 IEEE INC-USNC-URSI Radio Science Meeting (Joint with AP-S Symposium). IEEE, 2024. http://dx.doi.org/10.23919/inc-usnc-ursi61303.2024.10632294.

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Godfroy-Cooper, M., E. Wenzel, Z. Szoboszlay, and J. Miller. "3D-Sonification for Obstacle Avoidance in Brownout Conditions." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12046.

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Helicopter brownout is a phenomenon that occurs when making landing approaches in dusty environments, whereby sand or dust particles become swept up in the rotor outwash. Brownout is characterized by partial or total obscuration of the terrain, which degrades visual cues necessary for hovering and safe landing. Furthermore, the motion of the dust cloud produced during brownout can lead to the pilot experiencing motion cue anomalies such as vection illusions. In this context, the stability and guidance control functions can be intermittently or continuously degraded, potentially leading to unde
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Kurande, Aditya, Bhaskar Joshi, and Harikumar Kandath. "Deep RL Based Obstacle Avoidance for UAVs with Time Varying Sensor Bias." In 2024 IEEE SENSORS. IEEE, 2024. https://doi.org/10.1109/sensors60989.2024.10785031.

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Priya, S. Padma, P. S. Abarna, C. Manjula Devi, S. Shahul Hammed, M. P. Karthikeyan, and K. Muthu Saravanan. "Track Damage And Obstacle Detection Using Multi Sensor Fusion Framework." In 2024 15th International Conference on Computing Communication and Networking Technologies (ICCCNT). IEEE, 2024. http://dx.doi.org/10.1109/icccnt61001.2024.10724817.

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Lamtoueh, Reda, A. A. M. Muzahid, Yassine Zentouti, Hua Han, Yujin Zhang, and Hajar Mahir. "Real-Time Static Obstacle Avoidance Using Sensor Fusion in Robotics." In 2024 Sixth International Conference on Intelligent Computing in Data Sciences (ICDS). IEEE, 2024. http://dx.doi.org/10.1109/icds62089.2024.10756487.

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Xiong, Wei, Zilong Wang, Miao Niu, and Qing Liang. "Low-altitude UAV Autonomous Obstacle Avoidance using LiDAR Sensor Fusion." In 2024 10th International Conference on Mechanical and Electronics Engineering (ICMEE). IEEE, 2024. https://doi.org/10.1109/icmee63700.2024.11025217.

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Park, Hyunwoong, and Sooyong Lee. "Rotating Range Sensor System for Obstacle Detection and Map Building." In ASME 2006 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/detc2006-99658.

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This paper describes a new sensor system for improving the accuracy of the range information using multiple IR range sensors. Environment and obstacle sensing is the key issue for mobile robot localization and navigation. Laser scanners cover 180° and are accurate but too expensive. Radial range sensors such as laser scanners, IR scanners and Ultrasonic range sensor rings have blind spots so that a small obstacle not close enough to the sensor may be easily missed. It is necessary to develop a low cost sensor system which covers 360° with small blind spots. A sensor system with 12 IR range sen
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Bis, Rachael, Huei Peng, and Galip Ulsoy. "Velocity Occupancy Space: Robot Navigation and Moving Obstacle Avoidance With Sensor Uncertainty." In ASME 2009 Dynamic Systems and Control Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/dscc2009-2570.

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In order to autonomously navigate in an unknown environment, a robotic vehicle must be able to sense obstacles, determine their velocities, and follow a clear path to a goal. However, the perceived location and motion of the obstacles will be uncertain due to the limited accuracy of the robot’s sensors. Thus, it is necessary to develop a system that can avoid moving obstacles using uncertain sensor data. The method proposed here is based on a certainty occupancy grid—which has been used to avoid stationary obstacles in an uncertain environment—in conjunction with the velocity obstacle concept—
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Bybee, Taylor C., and Jeffrey L. Ferrin. "ALGORITHM FOR POINT CLOUD OCCLUSION MAPPING ON AN AUTONOMOUS GROUND VEHICLE." In 2024 NDIA Michigan Chapter Ground Vehicle Systems Engineering and Technology Symposium. National Defense Industrial Association, 2024. http://dx.doi.org/10.4271/2024-01-3820.

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&lt;title&gt;ABSTRACT&lt;/title&gt; &lt;p&gt;For safe navigation through an environment, autonomous ground vehicles rely on sensory inputs such as cameras, LiDAR, and radar for detection and classification of obstacles and impassable terrain. These sensors provide data representing 3D space surrounding the vehicle. Often this data is obscured by dust, precipitation, objects, or terrain, producing gaps in the sensor field of view. These gaps, or occlusions, can indicate the presence of obstacles, negative obstacles, or rough terrain. Because sensors receive no data in these occlusions, sensor d
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Reports on the topic "Obstacle sensor"

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Ziolkowski, Christopher J. DTPH56-06-T-005 Differential Impedance Obstacle Detection Sensor (DIOD) - Phase 2. Pipeline Research Council International, Inc. (PRCI), 2007. http://dx.doi.org/10.55274/r0011978.

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The objective of the Phase 2 project is to develop a tool that can be coupled with a pipeline drill rig to detect pipeline obstacles in the drill path. This project is also referred to as Differential Impedance Obstacle Detection. The physical size of the prototype sensor must be such as to minimally impact the design of commercial drill heads.
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Breton, Daniel. A study on the Delta-Bullington irregular terrain radiofrequency propagation model : assessing model suitability for use in decision support tools. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/42780.

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Modeling the propagation of radiofrequency signals over irregular terrain is both challenging and critically important in numerous Army applications. One application of particular importance is the performance and radio connectivity of sensors deployed in scenarios where the terrain and the environment significantly impact signal propagation. This report investigates both the performance of and the algorithms and assumptions underlying the Delta-Bullington irregular terrain radiofrequency propagation model discussed in International Telecommunications Union Recommendation P.526-15. The aim is
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Ellefson, Kristi G. Advancing Army Women as Senior Leaders - Understanding the Obstacles. Defense Technical Information Center, 1998. http://dx.doi.org/10.21236/ada344984.

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Aldonas, Grant. Regional Integration Behind the Border: Applying a Value Chain Approach. Inter-American Development Bank, 2009. http://dx.doi.org/10.18235/0006833.

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This presentation outlines a methodology for assessing the cost of internal and external obstacles affecting the performance of the value chains serving local producers in developing countries as a means of identifying high impact interventions that would contribute to the country's successful integration into regional and global markets. The objective is to create a single measure of the effect of such barriers in order to illustrate the value of examining internal reforms (i.e., those steps essential to regional integration "behind the border") as well as export barriers in developing a regi
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Aldonas, Grant. Regional Integration behind the Border: Applying a Value Chain Approach. Inter-American Development Bank, 2009. http://dx.doi.org/10.18235/0011302.

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This paper outlines a methodology for assessing the cost of internal and external obstacles affecting the performance of the value chains serving local producers in developing countries as a means of identifying high impact interventions that would contribute to the country's successful integration into regional and global markets. The objective is to create a single measure of the effect of such barriers in order to illustrate the value of examining internal reforms (i.e., those steps essential to regional integration "behind the border") as well as export barriers in developing a regional in
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Marold, Juliane, Ruth Wagner, Markus Schöbel, and Dietrich Manzey. Decision-making in groups under uncertainty. Fondation pour une culture de sécurité industrielle, 2012. http://dx.doi.org/10.57071/361udm.

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The authors have studied daily decision-making processes in groups under uncertainty, with an exploratory field study in the medical domain. The work follows the tradition of naturalistic decision-making (NDM) research. It aims to understand how groups in this high reliability context conceptualize and internalize uncertainties, and how they handle them in order to achieve effective decision-making in their everyday activities. Analysis of the survey data shows that uncertainty is thought of in terms of issues and sources (as identified by previous research), but also (possibly a domain-specif
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Leão Varela, Ana, and Teresa Rodrigues. Two sides of the same mirror: the point of view of implementers and recipients of public reception and integration policies, on the access to basic and public resources during COVID-19 pandemic of asylum seekers and refugees. IPRI-NOVA, 2023. http://dx.doi.org/10.23906/wp64/2023.

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We argue that crisis triggered by COVID-19 increased pre-existing vulnerabilities in what concerns to minorities’ access to basic and public social resources in receiving countries, taking the Portuguese reality as an example. Our conclusions are based on the investigation made under the scope of the PPEACE project (Public Policies and Reception of Foreign Citizens Project), which aims to contribute to scientific advance in public policies and to propose better-informed policy options for the reception of asylum seekers and refugees. Based on the results of 180 questionnaires applied from Octo
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Wandeler, Christian, and Steve Hart. The Central Valley Transportation Challenge. Mineta Transportation Institute, 2022. http://dx.doi.org/10.31979/mti.2022.2029.

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The Central Valley Transportation Challenge provides underserved minority students, who are primarily from rural areas, with high quality transportation-related educational experiences so that they learn about transportation-related topics and opportunities in transportation careers. The CVTC is a project-based learning program that brings university faculty and students to K–12 classrooms in rural areas. The project operated with three main objectives: (1) support K–12 teachers’ understanding and implementation of the CVTC programs; (2) connect K–12 students with university faculty and studen
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Benkraouda, Ouafa, Lindsay Braun, and Arnab Chakraborty. Policies and Design Guidelines to Plan for Connected and Autonomous Vehicles. Illinois Center for Transportation, 2022. http://dx.doi.org/10.36501/0197-9191/22-012.

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This report chronicles the work undertaken by researchers at the University of Illinois Urbana Champaign to identify policies and design guidelines to plan for connected and autonomous vehicles (CAVs) in mid-sized regions in Illinois. The report starts with the goals of this work followed by a review of existing literature. The review addresses CAV technologies and scenario planning, including academic research articles, policies and guidance documents from federal and state agencies, and recent long-range transportation plans. The review findings are organized into three categories—drivers, l
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Chejanovsky, Nor, and Suzanne M. Thiem. Isolation of Baculoviruses with Expanded Spectrum of Action against Lepidopteran Pests. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7586457.bard.

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Our long-term goal is to learn to control (expand and restrict) the host range of baculoviruses. In this project our aim was to expand the host range of the prototype baculovirus Autographa cali/arnica nuclear polyhedrosis virus (AcMNPV) towards American and Israeli pests. To achieve this objective we studied AcMNPV infection in the non-permissive hosts L. dispar and s. littoralis (Ld652Y and SL2 cells, respectively) as a model system and the major barriers to viral replication. We isolated recombinant baculoviruses with expanded infectivity towards L. dispar and S. littoralis and tested their
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