Browsing by Author "Hung, John Y."

Now showing items 1-20 of 22

Adaptive Control of a Farm Tractor with Varying Yaw Properties Accounting for Actuator Dynamics and Nonlinearities

Derrick, John (2008-05-15)

Two adaptive control algorithms for the automatic steering control of a farm tractor with varying hitch forces are developed. Tractors can be configured many different implements, and implements interact with the soil in ...

Comparison of Chinese and International Harmonic, Interharmonic and Flicker Standards

Wang, Yao (2014-09-11)

Power quality is one of the essential problems related to daily life with growing quantities of power electronic equipment invading our homes, offices and factories. Standards for power quality, including harmonics, ...

Design and Evaluation of Cooperative Adaptive Cruise Control System for Heavy Freight Vehicles

Apperson, William Grant (2019-12-12)

This thesis describes the design, implementation, and evaluation of a Cooperative Adaptive Cruise Control (CACC) system for heavy freight trucks that seeks to provide a platform for future cooperative control and estimation ...

Design, Fabrication, and Dynamic Modeling of a Printed Circuit Based MEMS Accelerometer

Rogers, John (2007-05-15)

A MEMS capacitive-type accelerometer fabricated using printed circuit processing techniques is presented. A Kapton polymide film is used as the structural layer for fabricating the MEMS accelerometer. The accelerometer ...

Detecting stalled or slow-moving vehicles at night by Optical Sensing - a feasibility study

Okelana, Olufeni (2014-12-04)

In developing countries and areas without adequate infrastructure, a system that can work towards automobile accident reduction without heavy infrastructural dependence or in-vehicle installation will have a shorter ...

End-effector Motion and Force Control for Mobile Redundant Manipulators

Wang, Jiliang (2021-07-14)

Manipulators extend the application of mobile platforms, such as unmanned aerial vehicles, underwater vehicles, and satellites. The dynamic coupling between the manipulators and mobile base brings great challenges to the ...

Engineering Standards and Ethics in Automated Biometrics

Kirby, Grant (2021-04-14)

This work explores a two-part question: (1) what are the most recent engineering standards that govern AI development and implementation in the field of biometrics and (2) what ethical implications do they have for society? ...

Enhanced Visual Navigation for Mobile Robots

West, Brian (2014-05-02)

Navigation solely by vision has been a goal in robotics for many years. It is desirable for a robot to plan and navigate the same way we do naturally as humans; however computation speed, changing illumination, complex ...

A Fully Integrated Sensor Fusion Method Combining a Single Antenna GPS Unit with Electronic Stability Control Sensors

Ryan, Jonathan (2011-07-05)

This work presents a method for incorporating GPS (Global Positioning System) and standard roll stability control (RSC) sensors into the electronic stability control (ESC) and RSC systems. It is an adaptation of the very ...

High-Dynamic Range Collision Detection using Piezoelectric Polymer Films for Planar and Non-planar Applications

Wooten, James Michael (2013-07-10)

This thesis develops a large area collision detection system utilizing the piezoelectric ef- fect of polyvinylidene fluoride film. Complex high speed autonomous articulations associated with modern large-scale high ...

Laser Beam Shaping Optical System Design Methods and Their Application in Edge-emitting Semiconductor Laser-based LIDAR Systems

Serkan, Mert (2007-12-15)

LIDAR (Light Detection And Ranging) systems are employed for numerous applications such as remote sensing, military applications, optical data storage, display technology, and material processing. Furthermore, they are ...

Multi-Objective Direct Quasi-Sliding Mode Control of a Two Phase Buck Converter

Wilson, Christopher G. (2012-07-20)

Multiphase converters are the state of the art for high efficiency point-of-load conversion for modern processors and FPGAs with wide operating load conditions. However, there are a variety of control issues that must be ...

Non-collocated Control of an Autonomous Robot-Trailer System Using State Estimation

Payne, Michael (2012-04-09)

In this work, the author develops an observer and non-collocated controller for a robot-trailer system in which only the position of the trailer is measured. A linearized state-space model of the system is derived using ...

Nonlinear Control of a Robot-Trailer System Using a Hybrid Backstepping-linearizing Approach

Singh, Aditya (2012-07-02)

In this work, the author develops a nonlinear controller to stabilize an autonomous wheeled robot and trailer system. A dynamic model based on robot-trailer kinematics that has previously proven sufficient for state feedback ...

Online Monitoring of State of Health for AGM Lead Acid Batteries

Gao, Yumeng (2015-07-29)

Prediction of degradation states like power and capacity fade is the most challenging issue for rechargeable batteries, which is called State of Health (SOH). Power and capacity fade is evaluated by predicting Available ...

Optimization Approaches for a Dubins Vehicle in Coverage Planning Problem and Traveling Salesman Problems

Yu, Xin (2015-05-07)

The motivation of this dissertation is a path planning task for an autonomous robot-trailer system in geophysical surveys. The path planning task includes two main stages. In the first stage, an efficient coverage path is ...

Performance Analysis of IES Journals using Text Processing Robots in PERL

Yu, Jiao (2012-03-21)

In the past, many approaches to measure the quality of journals are developed, e.g. 2-year Impact Factor (IF), 5-year IF, Eigenfactor Score, etc. Most of them are related to the number of citations of published papers. ...

Radiation Hard Thin Film Transistors and Logic Circuits Based on ZnO and Related Materials

Wang, Shiqiang (2017-11-30)

Thin film and thin film transistors (TFTs) and logic circuits based on zinc oxide (ZnO) and related materials, such as zinc tin oxide (ZTO), are designed, fabricated and characterized in this Ph.D. dissertation. ZnO as ...

Robust Gain-Scheduled Observer Design with Application to Vehicle State Estimation

Wang, Yan (2014-10-10)

This dissertation develops an application of the state-of-the-art convex optimization algorithms to the vehicle state estimation problem. The main challenge in this field is that the time-varying uncertain parameters and ...

Secure Design Considerations for Embedded Systems

Thorington, Hunter (2015-12-04)

A guide is presented for embedded system designers that details secure design considerations for modern embedded systems. The guide focuses on adapting traditional software design practices to include adapted methodologies ...