Browsing OSU Theses by Author "Bai, He"
Now showing items 1-20 of 28
-
Adaptive Multi-objective Optimizing Flight Controller
Abdollahi, Ali (2016-07-01)The problem of synthesizing online optimal flight controllers in the presence of multiple objectives is considered. A hybrid adaptive-optimal control architecture is presented, which is suitable for implementation on systems ... -
Augmented Invariant-EKF designs for simultaneous state and disturbance estimation
Coleman, Kevin (2020-07)In this thesis, we study Invariant-EKF designs for invariant systems with disturbances. We identify two sets of sufficient conditions that preserve the invariance of systems when additive dynamic disturbances are applied. ... -
Communication Efficient Decentralized Information Fusion in Sensor Networks
Allamraju, Rakshit Dayal (2015-12-01)Many physical, geological and environmental phenomena are spread over large spatio-temporal scales and require robust sensor network systems to gather data, collaborate and monitor the area for anomaly detection. In ... -
Cooperative aerial manipulation with force control and attitude stabilization
Thapa, Sandesh (2018-12)Ranging from autonomous flying cars, fixed wing and rotorcraft UAVs, there has been a tremendous interest in aerial robotics over the last decade. This thesis presents contributions to the state-of-art in cooperative payload ... -
Data-driven sparse estimation of nonlinear fluid flows
Mamun, S. M. Abdullah Al (2020-05)Estimation of full state fluid flow from limited observations is central for many practical applications in physics and engineering science. Fluid flows are manifestations of nonlinear multiscale partial differential ... -
Deep Multilayer Convolution Frameworks for Data-Driven Learning of Nonlinear Dynamics in Fluid Flows
Puligilla, Shivakanth Chary (2018-07-01)Abundance of measurement and simulation data has led to the proliferation of machine learning tools for model-based analysis and prediction of fluid flows over the past few years. In this work we explore globally optimal ... -
Design, development, and validation of a low-cost measurement system for residential ground source heat pump systems
Brinkman, Eric M. (2019-12)There is still relatively little data available to properly analyze the performance of Ground Source Heat Pump (GSHP) systems in residential applications. While commercial-grade instrumentation is available, it is often ... -
Design, simulation, and construction of a hot-gas bypass chiller for a commercial scale psychrometric coil testing facility
Makhani, Khurram K. (2020-12)In recent years, there has been a large effort from industry and researchers to improve the efficiency of HVAC&R systems. At Oklahoma State University (OSU), the Building & Environmental Systems Research Group (BETSRG) has ... -
Development of a robotic arm-gantry simulator with probabilistic inference based control
Syed, Shahbaz Peeran Qadri (2022-05)Robotic arms can perform repetitive tasks with high speed, accuracy, and precision, making them highly suitable for applications that are monotonous or require a high degree of precision. Such applications include industrial ... -
Empirical indicated loss analysis of a semi-hermetic light-commercial spool compressor
Yarborough, Seth J. (2021-05)An analysis of the indicated losses is presented for a semi-hermetic, light-commercial, prototype, spool compressor. The spool compressor prototype was instrumented with five high-speed pressure sensors, three in the ... -
Exploring mechanical assonance for impact energy harvesting using acoustic metamaterials
Afework, Milkyas (2020-12)Acoustic metamaterials are engineered to possess unique dynamic properties that are not commonly found in nature. It has been demonstrated that customizing the characteristics of their local features can help optimize their ... -
Flight dynamics integration approach, proportional robustness analysis, and H_[infinity] S/KW mixed sensitivity controller design for roll control with Active Flow Control
Coletti, Christian Trelease (2021-12)Recent investigation into use of Active Flow Control (AFC) technology has shown the potential benefits of AFC actuated aircraft control without control surfaces, but because of the complicated nature of such devices no ... -
Impact of vibration and stochastic resonance electrical stimulation on muscle contraction
Hareland, Katrine Jacqueline Marie (2021-05)Motivated by possible applications in pain management and improved prognosis, this study looks into the different methods of potential intervention methods to reduce joint contact forces in the upper and lower extremities. ... -
Implementation and Validation of Gaussian Process Model Reference Adaptive Control for Fixed Wing Unmanned Aerial Systems
Vuppala, Sri Theja (2016-05-01)Over the last couple of decades, rapid development of unmanned aerial systems (UAS) has been observed. UAS are becoming an integral part of various industries such as agriculture, communications, defense, first response ... -
Implementation of a local path planning algorithm for unmanned aerial vehicles
Rozell, Nicholas William (2021-07)As the presence of Unmanned Aircraft Systems (UASs) become more prominent today and in the future. They are used in a variety of ways to solve solutions for a variety of tasks. UASs that are battery-powered typically have ... -
Inflow analysis for multi-rotors and the impact on sensor placement
Brenner, James (2021-07)As the usage of small multi-rotor unmanned aircraft systems (sUAS) continues to grow there is a need to understand the complex flow-field and its interactions with the propellers and the sUAS airframe. It is particularly ... -
Maneuvering Intruder Passive Ranging for Detect-and-Avoid
Daugherty, Jordan (2018-05-01)For the last two decades, unmanned aircraft systems (UAS) has seen much interest from both the civilian and military sector. As civilian applications expand, the issue of safety becomes more apparent. One major technical ... -
Measurement and magnitude-based system identification of tornado-associated infrasound
White, Brandon C. (2021-07)Recent evidence indicates that acoustic waves at frequencies below human hearing (infrasound) are produced during tornadogenesis and continue through the life of a tornado. The currently available tornadic infrasound data ... -
Multi-insect visual tracking and system identification techniques for inflight feedback interaction analysis
Ahmed, Ishriak (2021-07)Individual insects flying in crowded assemblies perform complex aerial maneuvers by small changes in their wing motions. To understand the individual feedback rules that permit these fast, adaptive behaviors in group flight, ... -
Nonuniqueness and equivalence in online inverse reinforcement learning with applications to pilot performance modeling
Town, Jared Curtis (2023-05)The focus of this thesis is behavior modeling for pilots of unmanned aerial vehicles.The pilot is assumed to make decisions that optimize an unknown cost functional, which is estimated from observed trajectories using a ...