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 51 for “"Mobile Sensor"”.
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Dynamic sensor tasking in heterogeneous, mobile sensor networks
Modern sensor environments often attempt to combine several sensors into a single sensor network. The nodes of this network are generally heterogeneous and may vary with respect to sensor complexity, sensor operational modes, power costs and other salient features. Optimization in this environment …
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Adaptive sampling and forecasting with mobile sensor networks
This thesis addresses planning of mobile sensor networks to extract the best information possible out of the environment to improve the (ensemble) forecast at some verification region in the future. To define the information reward associated with sensing paths, the mutual information is adopted to …
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Truck Activity Pattern Classification Using Anonymous Mobile Sensor Data
<p>To construct, operate, and maintain a transportation system that supports the efficient movement of freight, transportation agencies must understand economic drivers of freight flow. This is a challenge since freight movement data available to transportation agencies is typically void of …
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Data collection and management of a mobile sensor platform
… data from multiple senor inputs mounted on a car sensor platform. Specifically, focusing on the collection and synchronization of multiple forms of data across a single mobile sensor system. The project will be implemented for three versions of a light-sensing platform, and will cover the …
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Machine learning to model health with multimodal mobile sensor data
… health and cardio-respiratory fitness through sensor data. First, we study the relationship of passive data as collected from smartphones (movement and background audio) to momentary mood levels. Our new training pipeline, which combines different sensor data into a low-dimensional embedding …
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Mobile sensor systems for field estimation and "hot spot" identification
Robust, low-cost mobile sensing enables effective monitoring and management of urban environment and infrastructure which contributes towards a sustainable future. While mobile sensor systems have attracted significant attention in recent years, a large scale deployment for urban infrastructure …
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Design considerations for fixed node assisted multi-hop mobile sensor networks
Node mobility in Wireless Sensor Network poses a challenge to the routing protocol; it causes link breakages and disconnections between the nodes. This instability in the network leads to a drop in the successful transmission of data packets to the main station. In order to understand the key …
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Distributed, adaptive deployment for nonholonomic mobile sensor networks : theory and experiments
… and decentralized coverage control for a team of mobile sensors. This new approach assumes nonholonomic sensors rather than the usual holonomic sensors found in the literature. The kinematics of the unicycle model and a nonlinear control law in polar coordinates are used in order to prove the …
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Radiation source detection from mobile sensor networks using principal component analysis
… radioactive materials are moving. The concept of mobile sensor networks is put forward to solve this problem. In this thesis, a small mobile sensor network is established using commercially available radiation detectors and cell phones. A spectrum decomposition and reconstruction method based on …
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Implementation and simulation of mobile sensor networks for nuclear radiation detection
… parts of radiation detection. The concept of mobile radiation sensor networks, which utilize multiple mobile radiation detectors, has been proposed to solve these problems. This work mainly focuses on developing and testing methodologies for anomaly detection and radioactive source …
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A Distributed Parameter Approach to Optimal Filtering and Estimation with Mobile Sensor Networks
… for analyzing and approximating optimal sensor placement problems for distributed parameter systems and apply these results to PDE problems defined by the convection-diffusion equations. The mathematical problem is formulated as a distributed parameter optimal control problem with …
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A directional preference ETX measure for the collection tree protocol in mobile sensor networks
There has been a growing interest in Wireless Sensor Networks (WSN) that utilizes mobile nodes for various purposes. These mobile wireless sensor networks tend to suffer from constant link breakages mainly caused by connected nodes moving apart, often moving very quickly. These lost connections …
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Recurrence-based models for improving coverage within GPS and satellite-denied mobile sensor networks
This Thesis was approved for publication on 2021-04-28 at 11:15.
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On the spatial predictability of wireless channels and robust networked cooperation in mobile sensor networks
The wireless sensor network revolution has created the possibility of exploring and controlling the environment in ways not possible before. The vision of a multi-agent network cooperatively learning and adapting in harsh unknown environments to achieve a common goal is closer than ever. In such …
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Analysis of a custom android app designed to utilize cloud infrastructure in support of mobile sensor networks
Mobile sensor networks offer unique advantages over their stationary counterparts in the area of anomalous radioactive source localization. Being mobile, the same number of sensors are capable of covering a much larger area than an equivalent number of stationary sensors. We have developed and …
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A comparison of geostatistcal interpolation methods for the characterization of background radiation collected on a mobile sensor network in a cloud computing environment
… bombs as well as broader nuclear proliferation. Mobile Sensor Networks deployed in major metropolitan areas have been proposed to address this security and proliferation challenge. However, these networks generate large amounts of data that cannot be processed on stand-alone computers. This …
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Control and Estimation Algorithms for Multiple-Agent Systems
Motivated by the applications to the optimal mobile sensor positioning within mobile sensor networks, the perturbation-based extremum seeking algorithm has been modified and extended. It has been assumed that the integrator gain and the perturbation amplitude are time varying (decreasing in time …
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Communication-aware motion planning in mobile networks
… in the area of networked robotic systems and mobile sensor networks. The vision of a mobile sensor network cooperatively learning and adapting in harsh unknown environments to achieve a common goal is closer than ever. In addition to sensing, communication plays a key role in the overall …
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Mutual information based tracking with mobile sensors
In order to utilize mobile sensor nodes in a sensing and estimation problem, one must carefully consider the optimal placement of those sensor nodes and simultaneously account for the cost incurred in moving the sensor nodes. We present an approximate dynamic programming approach to a tracking …
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