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Unmanned Aerial Vehicles for Post Disaster SurveysLarsen, Thor Liland 01 December 2010 (has links)
In the current built environment, structures require regular observation and maintenance. Many of these structures can be quite challenging to evaluate. The required scaffolding, lifts, or similar access facilities can become quite costly to rent and construct, and can be a long term disturbance to those who use and manage the particular structure. Furthermore, there are situations where examination for the purpose of detailed analysis can be quite hazardous, if not entirely unsafe for humans. In a post-disaster environment traditional methods may not be safe or adequate for gaining access to parts of a structure that require observation or analysis. The use of a remotely controlled unmanned vehicle is a reliable, safe and cost effective substitute for assessing structures before and after seismic, terrorist, or other destructive events.
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Ovládání vytápění přes GSM / Heating control over GSMSnížek, Milan January 2009 (has links)
This diploma thesis deals with heating control over GSM network with the goal to design and realize HW include programs for microcontrollers. The whole system consists of two units, the GSM units and the thermostat. Compared to the assignment the functions of the GSM unit were extended. Now the GSM unit contains other inputs and outputs what significantly increases usage and number of applications. These inputs and outputs can be used for example for connecting alarm system and remote control of other devices. The thermostat is programmable and allows manual control by four button and LCD character display and it also can be controlled via RS485. Both units have been successfully realized and tested.
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Realizace vrtulníku se čtyřmi rotory / Quadrocopter realizationPekarovič, Ján January 2014 (has links)
This thesis deals with the design of a helicopter with four rotors known as quadcopter. It describes the principles of operation and existing modifications. Part of the work is the selection of a suitable frame, remote control set, engines and propellers, battery, sensors for stabilization and detection of obstacles and microcontroller for their operation. The paper presents the concept of the specific copter design, design and simulation of printed circuit boards to their self-production, activation and testing. The final part of the thesis includes an economic assessment of the project and its comparison with competitors.
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Teleoperated Control of Hydraulic Equipment for Hazardous Material HandlingFleming, Michael Ryals 21 January 2004 (has links)
Traditionally, teleoperation has been an expensive and lengthy process. This thesis shows that by incorporating off-the-shelf technology into a modular design, teleoperation can be developed rapidly and inexpensively. Within six months and a hardware cost of $20k, a group of Virginia Tech students and faculty converted a Case CX-160 excavator to teleoperated control. With full wireless functionality of the excavator's six degrees-of-freedom, ignition, and remote cameras at 3000 ft., the teleoperated design meets or exceeds customer demands. For over a year, the teleoperated excavator has demonstrated effectiveness, robustness, and durability in multiple unexploded ordnance (UXO) site remediation projects. / Master of Science
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Operator unit simulator / Operator unit simulatorRasmussen, Nichlas January 2015 (has links)
Detta examensarbete utfördes som ett uppdrag av Atlas Copco där målet var att utveckla en programvara som kan simulera en OU (Operator Unit) i en PC miljö. Atlas Copcos egenutvecklade radiostyrningssystem för gruvfordon består av en sändare, kallad OU, och en mottagare, kallad MU (Machine Unit). En OU är en kontroller med reglage i form av knappar, joysticks och switchar och med indikatorer i form av LEDs och display. För att säkerställa att en OU endast kan kommunicera med en specifik MU och vice versa måste enheternas radiomoduler paras ihop genom en process som kallas ”learn link”, som görs genom att ansluta en CAN-kabel mellan enheterna. Genom att använda en OU simulator vid MU produktionstest skulle det vara lättare att utföra vissa tester, såsom internfel och varningar, och det skulle vara möjligt att inkludera tester som är omöjliga att göra med en hårdvaru-OU, som att avsiktligt sända en felberäknad checksumma, för att undersöka MU-enhetens respons. OU simulatorn skulle ha ett grafiskt gränssnitt och genom att ansluta ett radiokort till PC:n skulle den kunna skicka och ta emot data från en MU. Den skulle också kunna utföra ”learn link”. Den färdiga produkten utvecklades med hjälp av C# och en XP-inspirerad utvecklingsmetod. / This thesis was developed as an assignment from Atlas Copco where the goal was to develop software that could simulate an OU (Operator Unit) in a PC environment. Atlas Copco’s proprietary radio-control system for mining vehicles consists of a transmitter, called OU, and a receiver, called MU (Machine Unit). An OU is a controller with controls in the form of buttons, joysticks and switches and with indicators in the form of LEDs and display. To ensure that an OU only can communicate with a specific MU and vice versa the units’ radio modules must be paired together through a process called “learn link”, that is performed by connecting the units with a CAN-cable. By using an OU simulator for MU production tests it would be easier to perform some tests, such as internal errors and warnings, and it would be possible to include tests that are impossible to do with OU hardware, such as intentionally send a miscalculated checksum, to examine the MU’s response. The OU simulator should have a graphical user interface and by connecting a radio card to the PC it should be able to send and receive data from an MU. It should also be able to perform “learn link”. The final product was developed using C# together with an XP-inspired development method.
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Development of EPSILON : a gamma ray imaging system for the nuclear industryDurrant, Paul Timothy January 1999 (has links)
No description available.
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The remote detection of uranium leaks using fluorescence characteristicsWakefield, Clare Helen January 1999 (has links)
No description available.
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Remote control service system architecture and dynamic web user interface generationGuo, Xi January 2011 (has links)
According to current development of internet technology, remote control over the internet becomes a heated discussed topic. Some recent technologies such as Service-Oriented Architecture (SOA), web service and ontology offer great opportunity for remote control over the internet and a lot of research has been done into this topic. However, there are still many challenges in architecture design and dynamic user interface generation. Architectures in this research field lack clear description of controlled machine model as well as related knowledge support. Also, there is little system support further control service development. There is little research on web user interface design for remote control system over the internet. The design of web user interface has the challenge of overcoming the limitations of web technology to satisfactorily support different machines, users and control process requirements. This work overcomes the limitations on architecture by offering a SOA based design which allows both multiple users and distributed machine access. The system applies a machine model for the description of the machine structure and functions, which help the system to reason about machine components and their relationships with instructions. With a web service based design, different machines can be connected via the system and execute user commands. Using semantic description and ontology based methods the system can automatically retrieve machine information and generate the structure and function descriptions for different machines. Moreover, the system provides services which can support further development in remote control services. The proposed architecture improves on former designs, and offers a flexible architecture for remote control services over the internet. An intelligent web user interface is also introduced in this work. The design separates the interface data structure from the data representation. Supported by the remote control service development environment, the user interface could adapt to the control sessions. Semantic descriptions are used to describe the page data structure, session context as well as control command. Therefore, control page content can be adapted by the computer to real time control session. At the same time, a session dependent navigation is designed to resolve the problem of changeable requirements for multiple-machine web user interface. With a message driven model and a session dependent semantic data structure, the required machine data can be analysed by the system and categorised according to user s requirements. Compare with other designs, this service offers a method for web user interface generation for different machines, users and can adapt to different control processes. The design is demonstrated in five evaluation scenarios aimed at testing different aspects of the system. Evaluation demonstrates the design proposed in this thesis is feasible. It also shows the design can be applied to different areas and adapted to different control related requirements well.
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Optimization of a Micro Aerial Vehicle Planform Using Genetic AlgorithmsDay, Andrew Hunter 01 June 2007 (has links)
"Micro aerial vehicles (MAV) are small remotely piloted or autonomous aircraft. Wingspans of MAVs can be as small as six inches to allow MAV’s to avoid detection during reconnaissance missions. Improving the aerodynamic efficiency of MAV’s by increasing the lift to drag ratio could lead to increased MAV range and endurance or future decreases in aircraft size. In this project, biologically inspired flight is used as a framework to improve MAV performance since MAV’s operate in a similar flight regime to birds. A novel wind tunnel apparatus was constructed that allows the planform shape of a MAV wing to be easily altered. The scale-model wing mimics a bird wing by using variable feather lengths to vary the wing planform shape. Genetic algorithms that use natural selection as an optimization process were applied to establish successive populations of candidate wing shapes. These wing shapes were tested in the wind tunnel where wings with higher fitness values were allowed to ‘breed’ and create a next generation of wings. After numerous generations were tested an acceptably strong solution was found that yielded a lift to drag ratio of 3.28. This planform was a non conventional planform that further emphasized the ability of a genetic algorithm to find a novel solution to a complex problem. Performance of the best planform was compared to previously published data for conventional MAV planform shapes. Results of this comparison show that while the highest lift to drag ratio found from the genetic algorithm is lower than published data, inabilities of the test wing to accurately represent a flat plate Zimmerman planform and limitations of the test setup can account for these discrepancies."
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Operator-adjustable frame rate, resolution, and gray scale tradeoff in fixed-bandwidth remote manipulator controlDeghuee, Bradley James January 1980 (has links)
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1980. / MICHROFICHE COPY AVAILABLE IN ARCHIVES AND ENGINEERING. / Includes bibliographical references. / by Bradley James Deghuee. / M.S.
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