Dissertations / Theses on the topic 'Vehicle range'
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Papadopoulos, Geōrgios. "Underwater vehicle localization using range measurements." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62531.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 79-83).
This thesis investigates the problem of cooperative navigation of autonomous marine vehicles using range-only acoustic measurements. We consider the use of a single maneuvering autonomous surface vehicle (ASV) to aid the navigation of one or more submerged autonomous underwater vehicles (AUVs), using acoustic range measurements combined with position measurements for the ASV when data packets are transmitted. The AUV combines the data from the surface vehicle with its proprioceptive sensor measurements to compute its trajectory. We present an experimental demonstration of this approach, using an extended Kalman filter (EKF) for state estimation. We analyze the observability properties of the cooperative ASV/AUV localization problem and present experimental results comparing several different state estimators. Using the weak observability theorem for nonlinear systems, we demonstrate that this cooperative localization problem is best attacked using nonlinear least squares (NLS) optimization. We investigate the convergence of NLS applied to the cooperative ASV/AUV localization problem. Though we show that the localization problem is non-convex, we propose an algorithm that under certain assumptions (the accumulative dead reckoning variance is much bigger than the variance of the range measurements, and that range measurement errors are bounded) achieves convergence by choosing initial conditions that lie in convex areas. We present experimental results for this approach and compare it to alternative state estimators, demonstrating superior performance.
by Georgios Papadopoulos.
S.M.
Hui, Corinna. "Laser Range Finder Mapping of Floating Vehicle." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/54476.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 48).
Using laser range finders as a method of navigation is popular with mobile land robots; however, there has been little research using it with water vehicles. Therefore, this thesis explores the usage and data flow of a laser range finder on a water raft. A unique algorithm for localization and mapping for the sensor is developed and tested both in simulation and in realtime with a vehicle. Both the localization of the vehicle and mapping of its environment are able to achieve precise locations, deviating only a few millimeters of their expected values. With this algorithm, a closed-loop control system is also developed and implemented on the vehicle. The vehicle is able to move to a predefined location and be within a very small range of acceptable values. The control loop is further explored with damping, gain variations, and different trajectories..
by Corinna Hui.
S.B.
Kersop, Stefanus Jacobus. "Short range reconnaissance unmanned aerial vehicle / S.J. Kersop." Thesis, North-West University, 2009. http://hdl.handle.net/10394/9171.
Full textThesis (MIng (Electrical Engineering))--North-West University, Potchefstroom Campus, 2010.
Westrick, Michael A. "Compact Wire Antenna Array for Dedicated Short-Range Communications: Vehicle to Vehicle and Vehicle to Infrastructure Communications." University of Toledo / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1345081406.
Full textJabari, Rami Steve. "Range-Based Autonomous Underwater Vehicle Navigation Expressed in Geodetic Coordinates." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/71426.
Full textMaster of Science
Gantt, Lynn Rupert. "Energy Losses for Propelling and Braking Conditions of an Electric Vehicle." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/32879.
Full textMaster of Science
Devarakota, Pandu Ranga Rao. "Classification and Localization of Vehicle Occupants Using 3D Range Images." Doctoral thesis, Stockholm : Elektrotekniska system, Kungliga Tekniska högskolan, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4603.
Full textKnutsen, Daniel, and Oscar Willén. "A study of electric vehicle charging patterns and range anxiety." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-201099.
Full textBurke, William Churchill Taliaferro. "Large Force Range Mechanically Adjustable Dampers for Heavy Vehicle Applications." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/33386.
Full text
The first of these dampers served primarily as a proof of concept and a means of understanding the dynamics of a disc valve housed inside the main piston. The valve design is presented, along with other information concerning the fabrication of the Initial Prototype damper. Test results are presented and analyzed, and a second iteration of the valve is designed. The Final Prototype damper is a scaled up version of the initial design, with refinements made in piston geometry, internal disc profile, and dynamic seals. This large force range damper is tested and results are compared with existing MR dampers. The Final Prototype damper provides a significantly larger force range when compared with typical MR dampers. Finally, to conclude this research, the vehicle dynamics implications of the Final Prototype damper are discussed and recommendations for further study are made.
Master of Science
König, Daniel Hermann. "Optimization of the Control Strategy for a Range Extender Vehicle." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/78057.
Full textMaster of Science
Ambaripeta, Hari Prasad. "Range Extender Development for Electric Vehicle Using Engine Generator Set." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1424202532.
Full textYung, Victor Ying Ben. "Energy use and emissions of a range-extending hybrid electric vehicle." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq21230.pdf.
Full textEldeeb, Yasser M. "An adaptive system for enhancing vehicle bodies assembly using range sensing." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0011/NQ52420.pdf.
Full textRoebuck, C. A. "Testing and frequency response analysis of an electric vehicle traction drive." Thesis, Coventry University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384599.
Full textBjörnsson, Lars-Henrik, Sten Karlsson, and Frances Sprei. "Objective functions for plug-in hybrid electric vehicle battery range optimization and possible effects on the vehicle fleet." Elsevier, 2017. https://publish.fid-move.qucosa.de/id/qucosa%3A72804.
Full textNatali, Francis D., and Gerard G. Socci. "DIGITAL RECEIVER PROCESSING TECHNIQUES FOR SPACE VEHICLE DOWNLINK SIGNALS." International Foundation for Telemetering, 1985. http://hdl.handle.net/10150/615711.
Full textDigital processing techniques and related algorithms for receiving and processing space vehicle downlink signals are discussed. The combination of low minimum signal to noise density (C/No), large signal dynamic range, unknown time of arrival, and high space vehicle dynamics that is characteristic of some of these downlink signals results in a difficult acquisition problem. A method for rapid acquisition is described which employs a Fast Fourier Transform (FFT). Also discussed are digital techniques for precise measurement of space vehicle range and range rate using a digitally synthesized number controlled oscillator (NCO).
Quek, Chin Khoon. "Vision based control and target range estimation for small unmanned aerial vehicle." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2005. http://library.nps.navy.mil/uhtbin/hyperion/05Dec%5FQuek.pdf.
Full textThesis Advisor(s): Isaac I. Kaminer. Includes bibliographical references (p.39). Also available online.
Lazúen, Ramírez Álvaro, and Jiménez Adriano Linero. "SIMULATION OF AN EXTENDED RANGE ELECTRIC VEHICLE USAGE IN A REAL ENVIRONMENT." Thesis, Högskolan i Skövde, Institutionen för teknik och samhälle, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-6317.
Full textNwizege, Kenneth Sorle. "Adaptive data transfer for dedicated short range communications (DSRC)-based vehicle networks." Thesis, Swansea University, 2014. https://cronfa.swan.ac.uk/Record/cronfa42849.
Full textCooley, Robert Bradley. "Engine Selection, Modeling, and Control Development for an Extended Range Electric Vehicle." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1281546071.
Full textProdduturi, Sharath Chandra. "A six-degree-of-freedom launch vehicle simulator for range safety analysis." [Gainesville, Fla.] : University of Florida, 2007. http://purl.fcla.edu/fcla/etd/UFE0020782.
Full textGong, Xiaojin. "Omnidirectional Vision for an Autonomous Surface Vehicle." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/30175.
Full textPh. D.
Pérez-Falcón, Tony, and Ray Kolar. "Flight Safety System for Unmanned Air Vehicle." International Foundation for Telemetering, 2003. http://hdl.handle.net/10150/605594.
Full textA Flight Safety System (RAFS) for multiple, reliable Unmanned Air Vehicles (UAV’s) capable of flying Over-the-Horizon (OTH) and outside test range airspace. In addition to the flight safety application, the described full-duplex data link is suitable as a backup command and control link for UAV’s, and for sensor control & data exfiltration. The IRIDIUM satellite system was selected to provide the communications link and because of its global coverage and requisite data throughputs. A Risk Reduction activity ensued to quantify IRIDIUM performance. Hardware and software was developed to demonstrate the feasibility of using IRIDIUM in a flight safety scenario.
Aspnes, Richard K., and Russell J. Yuma. "MMTS: Multi-Vehicle Metric & Telemetry System." International Foundation for Telemetering, 1988. http://hdl.handle.net/10150/615244.
Full textThe Multi-Vehicle Metric & Telemetry System (MMTS) is a complete range system which performs real-time tracking, command destruct, and telemetry processing functions for support of range safety and the test and evaluation of airborne vehicles. As currently configured, the MMTS consists of five hardware and software subsystems with the capability to receive, process, and display tracking data from up to ten range sensors and telemetry data from two instrumented vehicles. During a range operation, the MMTS is employed to collect, process, and display tracking and telemetry data. The instrumentation sites designated for operational support acquire tracking and telemetered data and transmit these data to the MMTS. The raw data is then identified, formatted, time tagged, recorded, processed, and routed for display to mission control and telemetry display areas. Additionally, processed tracking data is transmitted back to instrumentation sites as an aid to acquire or maintain vehicle track. The mission control area consists of a control and status console, high resolution color graphics stations, and large screen displays. As the mission controller observes mission progress on the graphics stations operational decisions can be made and invoked by activation of the appropriate console controls. Visual alarms provided my MMTS will alert mission control personnel of hazardous conditions posed by any tracked vehicle. Manual action can then be taken to activate transmission of the MMTS vehicle destruct signal. The telemetry display area consists of ten fully-functional, PC compatible computers which are switchable to either of two telemetry front end processors. Each PC can be independently set up by telemetry analysts to display data of interest. A total of thirty data pages per PC can be defined and any defined data page can be activated during a mission. A unique feature of the MMTS is that telemetry data can be combined with tracking data for use by the range safety functions.
Chhean, Rithy-Newton Mao. "VEHICLE-TO-GRID (V2G) BIDIRECTIONAL POWER CONVERTER DESIGN AND INTEGRATION FOR 2011 CHEVROLET VOLT - EXTENDED RANGE ELECTRIC VEHICLE (EREV) DRIVETRAIN." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/893.
Full textMackall, Dale A., Robert Sakahara, and Steven E. Kremer. "THE X-33 EXTENDED FLIGHT TEST RANGE." International Foundation for Telemetering, 1998. http://hdl.handle.net/10150/609678.
Full textDevelopment of an extended test range, with range instrumentation providing continuous vehicle communications, is required to flight-test the X-33, a scaled version of a reusable launch vehicle. The extended test range provides vehicle communications coverage from California to landing at Montana or Utah. This paper provides an overview of the approaches used to meet X-33 program requirements, including using multiple ground stations, and methods to reduce problems caused by reentry plasma radio frequency blackout. The advances used to develop the extended test range show other hypersonic and access-to-space programs can benefit from the development of the extended test range.
MODI, SACHIN BRISMOHAN. "COMPARISON OF THREE OBSTACLE AVOIDANCE METHODS FOR AN AUTONOMOUS GUIDED VEHICLE." University of Cincinnati / OhioLINK, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1029343700.
Full textKress, Gregory A. "Preliminary development of a VTOL unmanned air vehicle for the close-range mission." Thesis, Monterey, California. Naval Postgraduate School, 1992. http://hdl.handle.net/10945/23752.
Full textPallotti, Daniel. "Electric Range Estimation algorithm for a high performance Plug-in Hybrid Electric Vehicle application." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.
Find full textNguyen, Matthew P. "Investigation of the Under-Body Flow Field of a Prototype Long-Range Electric Vehicle." DigitalCommons@CalPoly, 2019. https://digitalcommons.calpoly.edu/theses/2060.
Full textHemmelgarn, Ronald J. "Development of a long-range gliding unmanned underwater vehicle utilizing Java Sun SPOT technology." Monterey, Calif. : Naval Postgraduate School, 2008. http://edocs.nps.edu/npspubs/scholarly/theses/2008/Sept/08Sep%5FHemmelgarn.pdf.
Full textThesis Advisor(s): Brutzman, Don. "September 2008." Description based on title screen as viewed on November 10, 2008. Includes bibliographical references (p. 95-96). Also available in print.
Chin, Yung-Kang. "A permanent magnet synchronous motor for an electric vehicle - design analysis." Licentiate thesis, KTH, Electrical Systems, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1763.
Full textThis thesis presents the study and the design analysis of apermanent magnet synchronous motor (PMSM) for the tractionapplication of an electric vehicle. An existing inductiontraction motor for an electric forklift benchmarks the expectedperformances of the proposed PMSM design. Further, thepossibility of using the identical stator as the one used inthe induction motor is explored for the fast prototyping. Theprototype motor is expected to be field-weakened and to have aconstant power speed range (CPSR) of 2.5 to 3.
A design approach based on the CPSR contour plot in aninterior permanent magnet (IPM) parameter plane is derived toobtain the possible designs that meet all the designspecifications and the targeted CPSR. This study provides thepossible alternative designs for the subsequent futureprototype motors.
An analytical approach to estimate the iron loss in PMsynchronous machines is developed and included in the designprocedure. The proposed technique is based on predicting theflux density waveforms in the various regions of the machine.The model can be applied at any specified load condition,including the field-weakening operation region. This model canbe ultimately embedded in the design process for a routine usein loss estimations.
The first prototype motor with an inset permanent magnetrotor has been built and the available measurements are used tovalidate the design performance. In particular, the thermalanalyses based both on the lumped-circuit approach and thenumerical method are compared with the measured results. Asecond and possibly a third prototype motor targeting a widerand higher performance will be carried out in the continuingphase of the project.
Keywords:Constant Power Speed Range, Electric Vehicles,Field-weakening, Reference Flux Linkage, Iron Loss, PermanentMagnet Synchronous Motor, Thermal Analysis
Cameron, Alan, Tony Cirineo, and Karl Eggertsen. "The Family of Interoperable Range System Transceivers (First)." International Foundation for Telemetering, 1996. http://hdl.handle.net/10150/611408.
Full textThe objective of the FIRST project is to define a modern DoD Standard Datalink capability. This defined capability or standard is to provide a solution to wide variety of test and training range digital data radio communications problems with a common set of components, flexible to fit a broad range of applications, yet be affordable in all of them. This capability is to be specially designed to meet the expanding range distances and data transmissions rates needed to test modern weapon systems. Presently, the primary focus of the project is more on software, protocols, design techniques and standards, than on hardware development. Existing capabilities, on going developments and emerging technologies are being investigated and will be utilized as appropriate. Modern processingintensive communications technology can perform many complex range data communications tasks effectively, but a large-scale development effort is usually necessary to exploit it to its full potential. Yet, range communications problems are generally of limited scope, so different from one another that a communication system applicable to all of them is not likely to solve any of them well. FIRST will resolve that dilemma by capitalizing on another feature of modern communications technology: its high degree of programmability. This can enable custom-tailoring of datalink operation to particular applications, just as a PC can be tailored to perform a multitude of diverse tasks, through appropriate selection of software and hardware components.
Luusua, Emil. "Vehicle Detection, at a Distance : Done Efficiently via Fusion of Short- and Long-Range Images." Thesis, Linköpings universitet, Datorseende, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-167073.
Full textKouns, Heath. "Analysis of Performance Characteristics of Electric Vehicle Traction Drive in Low Speed/Low Torque Range." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/36287.
Full textMaster of Science
Zetts, Andrew Wyatt. "The Impact of a Microturbine Power Plant on an Off Road Range Extended Electric Vehicle." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/72974.
Full textMaster of Science
Sandberg, Staffan. "How do battery electric vehicle drivers behave in a range critical situation in VR when using a "guess-o-meter" vs a novel range management tool?" Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-281696.
Full textBatterielbilar blir allt vanligare men når inte riktigt upp till samma nivå som bilar med förbränningsmotorer när det handlar om räckvidd och laddtid. Den kvarstående körsträckan som visas i elbilars instrumentpanel kan vara en instabil variabel och plötsligt sjunka med 10-20%, när man till exempel ökar hastigheten. Vilket kan leda till ett tillstånd som kallas räckviddsångest . Därav intresset för att undersöka i detalj hur förare agerar och tänker i scenarier där räckvidd är extra viktigt och bilens kvarstående körsträcka kan ändras drastiskt beroende på körstil. Sådana scenarier är problematiska att testa ute i trafiken av både praktiska och etiska skäl. I denna artikel, utan att placera någon i en verklig riskfylld situation, presenterar vi en studie där en bilsimulator i VR används för att testa ett kritiskt scenario där risken för att strömmen tar slut är stor. Två separata grupper (N=10) körde samma sträcka fast med olika instrumentpaneler. Där den ena är mer konventionell och endast visar kvarstående körsträcka. Medan den andra är mer originell och visar hur hastighet påverkar kvarstående körsträcka. Båda instrumentpanelerna tillåter föraren att ställa in hur långt man vill köra. Resultaten indikerar på att den originella instrumentpanelen tillåter en mer agil och adaptiv körstil, genom att byta mellan specifika hastigheter istället för att leta och gissa vilken hastighet som är optimal, vilket skedde med den konventionella instrumentpanelen. Men den kan även dölja andra faktorer som påverkar körsträckan, såsom acceleration och höjdskillnader. Vilket användare av den originella instrumentbrädan noterade i större utsträckning.
Gadre, Aditya Shrikant. "Observability Analysis in Navigation Systems with an Underwater Vehicle Application." Diss., Virginia Tech, 2007. http://hdl.handle.net/10919/26154.
Full textPh. D.
Hinton, Thomas Glyn. "A thesis regarding the vehicle routing problem including a range of novel techniques for its solution." Thesis, University of Bristol, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.535180.
Full textBernacki, Mark. "Design and development of an extended range electric bywire/wireless hybrid vehicle with a near wheel motor drivetrain." Thesis, UOIT, 2009. http://hdl.handle.net/10155/42.
Full textBardanis, Florios. "Kill Vehicle Effectiveness for Boost Phase Interception of Ballistic Missiles /." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Jun%5FBardanis.pdf.
Full textThesis advisor(s): Phillip E. Pace, Murali Tummala. Includes bibliographical references (p. 49-50). Also available online.
Walker, Jonathan Bearnarr. "An Empirical Method of Ascertaining the Null Points from a Dedicated Short-Range Communication (DSRC) Roadside Unit (RSU) at a Highway On/Off-Ramp." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/85151.
Full textPh. D.
Rowe, Christopher D. "Channel Propagation Model for Train to Vehicle Alert System at 5.9 GHz using Dedicated Short Range Communication." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/73178.
Full textMaster of Science
Cordell, Christopher E. "Computational fluid dynamics and analytical modeling of supersonic retropropulsion flowfield structures across a wide range of potential vehicle configurations." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50355.
Full textSharifzadeh, Shayan. "Design Optimization and Analysis of Long-Range Hydrogen-Fuelled Hypersonic Cruise Vehicles." Doctoral thesis, Universite Libre de Bruxelles, 2017. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/255764.
Full textDoctorat en Sciences de l'ingénieur et technologie
This thesis was conducted in co-tutelle between University of Sydney and Université Libre de Bruxelles.Professor Dries Verstraete was my supervisor at the University of Sydney (so as a member of SydneyUni), but is automatically registered here as a member of ULB because he worked at ULB almost ten years ago.Ben Thornber is also a member of the University of Sydney but the application does not save it for an unknown reason.
info:eu-repo/semantics/nonPublished
Anil, Vijay Sankar. "Mission-based Design Space Exploration and Traffic-in-the-Loop Simulation for a Range-Extended Plug-in Hybrid Delivery Vehicle." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1587663664531601.
Full textShaw, Althoff Peggy S. "Indicators of disturbance and recovery of a tallgrass prairie ecosystem following military vehicle traffic." Diss., Manhattan, Kan. : Kansas State University, 2007. http://hdl.handle.net/2097/460.
Full textHegde, Bharatkumar. "Look-Ahead Energy Management Strategies for Hybrid Vehicles." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu153199304661774.
Full textPlötz, Patrick, Niklas Jakobsson, and Frances Sprei. "On the distribution of individual daily driving distances." Elsevier, 2017. https://publish.fid-move.qucosa.de/id/qucosa%3A72184.
Full textKruckenberg, John. "Fault Diagnosis and Hardware in the Loop Simulation for the EcoCAR Project." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306180272.
Full text