Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 169 for “"Navigation System"”.
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Multi-sensor navigation system design.
Massachusetts Institute of Technology. Dept. of Aeronautics and Astronautics. Thesis. 1970. Sc.D.
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A GPU Powered Mobile AR Navigation System
… thesis presents a real-time Augmented Reality Navigation System(ARNavi) on Android smartphone that leverages the parallel computing power of mobile GPUs. Unlike conventional navigation systems, our proposed ARNavi augments navigation information onto real scene video streaming from device …
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Participatory sensing fuel-efficient navigation system GreenGPS
… usage of smart mobile devices. GreenGPS is a navigation service that finds fuel optimal routes, customized to individual drivers and vehicles, between arbitrary end-points. This thesis studies research challenges revealed in development of GreenGPS on how to build an easy-to-deploy and …
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A smartphone-based energy saving navigation system
… saving lo- cation sensing mode and it reduces navigation energy needs by more than an order of magnitude. The thesis will go over the theory and mode behind it and focus on the implementation details and the survey and user study we did during the research. Besides, the extensive work on …
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Kalman filtering for aided inertial navigation system
… a Kalman filter which integrates the inertial navigation system of the Vorticity Control Unmanned Undersea Vehicle (VCUUV) with redundant navigation sensor measurements. The model for the Kalman filter uses redundant measurements in a feedback loop to better estimate navigation variables. Using …
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Adaptive control of a tactile surgical navigation system
Während der chirurgischen Navigation werden die Abweichungen zwischen vorgeplanter Soll- und aktueller Ist-Position über einen Monitor visualisiert. Diese optische Rückkopplung zwingt den Chirurgen, den Blick ständig zwischen dem Operationsgebiet und dem Monitor zu wechseln. Besonders bei sehr …
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Navigator- A navigation system for the visually impaired
This paper proposes a navigation system on an android platform, Navigator, designed for the visually impaired for easy and independent travel. People with physical disabilities have a tough time going from one place to another and the conventional methods are using canes or guide dogs or human …
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An Augmented Virtuality Navigation System for Arthroscopic Knee Surgery
… and experience. This thesis describes a computer system to help improve target acquisition in arthroscopy by visualizing the location and alignment of an arthroscope using augmented virtuality. A 3D computer model of the patient's joint (from CT) is shown, along with a model of the tracked …
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INSIGHT : intelligent navigation system for integrated guidance haptic technologies
This thesis presents the Intelligent Navigation System for Integrated Guidance Haptic Technologies (INSIGHT) project, developed to assist individuals with visual impairments in navigating indoor environments. The system enables object recognition through an embedded computer vision model and …
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A New Approach to Multi-Sensor Navigation System Design
Made available in DSpace on 2014-12-13T18:02:11Z (GMT). No. of bitstreams: 1 8004147.pdf: 3896084 bytes, checksum: 58327028a213e303d11961b67fb1a838 (MD5) Previous issue date: 1979
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Design and implementation of an indoor mobile navigation system
… implementation of CricketNav, an indoor mobile navigation system using the Cricket indoor location sensing infrastructure developed at the MIT Laboratory for Computer Science as part of Project Oxygen. CricketNav navigates users to the desired destination by displaying a navigation arrow on a …
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Inertial Navigation System Drift Reduction Using Scientific Machine Learning
Inertial Navigation Systems (INS) are crucial for accurate navigation in GPS-denied environments, but they suffer from drift errors that accumulate over time. This thesis introduces Scientific Machine Learning (SciML) as an innovative approach to mitigate INS drift by integrating physical models …
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An adaptive technique for a redundant-sensor navigation system.
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1972.
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Analysis of a high resolution deep ocean acoustic navigation system
A high resolution acoustic navigation system for ocean use is being developed at the Woods Hole oceanographic Institution. The system can yield navigation fixes with respect to a bottom moored reference net with accuracies (on a fix to fix basis) of a few centimeters. In order to use the system to …
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An Underwater Vehicle Navigation System Using Acoustic and Inertial Sensors
… underwater tasks. Compared with other unmanned systems, the navigation and localization for UUVs are particularly challenging due to the unavailability of Global Positioning System (GPS) signals underwater and the complexity of the unstable environment. Alternative methods such as acoustic …
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Goggle Augmented Imaging and Navigation System for Fluorescence-Guided Surgery
… near-infrared fluorescence-guided surgery systems have been developed. However, they are limited by bulky hardware, disruptive information display and non-matched field of view to the user.</p> <p>To address these limitations we have developed a compact, light-weight and wearable goggle …
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A wearable navigation system for augmenting guide dog object detection
… and evaluation of a wearable object detection system for blind users to avoid collisions. Blind people rely upon tools such as guide dogs to navigate the world around them. However, even guide dogs are prone to errors that leave their owners prone to unexpected collisions with objects, such as …
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A unified vision and inertial navigation system for planetary hoppers
… development over previously demonstrated vehicle navigation technologies is required to overcome the inherent challenges involved in navigating a hopping vehicle, especially in adverse terrain. While hoppers are in many ways similar to traditional landers and surface explorers, they incorporate …
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Attentional demand evaluation for an automobile moving-map navigation system
… design aspects of an automobile moving-map navigation system. The primary objective of the study was to assess the driver attentional demand required by the navigation system during vehicle operation. A secondary objective of the study was to assess design specifics and determine whether or …
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Design and testing of an acoustic ultra-short baseline navigation system
An ultra-short baseline acoustic navigation system has been developed which is capable of determining bearing to a sound source with an error of less than 1° in typical operational conditions. The system has a demonstrated ability to operate in an environment in which multipath interference is …
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