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.
Results
Showing 1 to 20 of 26 for “"electromechanical system"”.
-
QUBIT COUPLED MECHANICAL RESONATOR IN AN ELECTROMECHANICAL SYSTEM
… describes the development of a hybrid quantum electromechanical system. In this system the mechanical resonator is capacitively coupled to a superconducting transmon which is embedded in a superconducting coplanar waveguide (CPW) cavity. The difficulty of achieving high quality of …
-
An electromechanical system for characterization of piezoelectric materials
… for their usage. In this particular study, an electromechanical system for measurement of piezoelectric output signals is designed and tested. The project is motivated by the question: can the piezoelectric properties be characterized by applying different mechanical stimulation waveforms and …
-
Dynamics of Self -Organization of Ramified Patterns in an Electromechanical System
… of how tree structures self-organize in the system. We are also interested, more generally, in how the detailed structure of ramified patterns affects the properties of systems that use them for transportation. Therefore, in collaboration with researchers at the Santa Fe Institute, we …
-
Dynamics of Self-Organization of Ramified Patterns in an Electromechanical System
Submitted by Meng Tao (mengtao2@illinois.edu) on 2012-10-23T18:22:17Z No. of bitstreams: 1 Jun_Joseph.pdf: 9552125 bytes, checksum: 05058755acda06f9a441202e232254b2 (MD5)
-
Sensing for Electromechanical Systems
Electromechanical devices and systems, for example, pumps, compressors, and electric machines, are the foundation of modern society. Condition monitoring of these systems is crucial for efficient operation and operator safety. Modern electronics enable new developments in electromechanical system …
-
Comparison of neural and control theoretic techniques for nonlinear dynamic systems
… simulation and experimental results on a simple electromechanical system. The system has a configuration-dependent inertia, which contributes a substantial nonlinearity. The controllers being studied include PID, sliding control, adaptive sliding control, and two different controllers based on …
-
Quantitative Fracture Strength of Lithiated Tin Oxide Nanowires by In-Situ SEM Tensile Experiments
… microscope (SEM) mechanical tests using a micro electromechanical system (MEMS) uniaxial tensile testing device. Stress values were calculated from load and displacement data from an inSEM nanoindenter tip while strain values were obtained using digital image correlation (DIC) from in situ SEM …
-
Experimental and numerical study on flow control using obliquely aligned elements.
The use of micro-electromechanical system devices (MEMS) have been studied extensively in literature for control of flow separation and transitioning to turbulent flow. However, there is limited information about how obliquely aligned roughness elements affect the boundary layer development and …
-
Shape Optimization of Microfiber Composite Energy Harvesters
… the governing equations of motions of a coupled electromechanical system. The equations of motion were derived using Hamilton’s variational principles and constitutive relations of a piezoelectric material. The mathematical model developed in Matlab was validated with an experiment and frequency …
-
Precision Pointing for the CubeSat Laser Infrared CrosslinK (CLICK) Mission
… the Shelf (COTS) components that include a micro electromechanical system (MEMS) fine steering mirror for precision pointing. The first phase of the CLICK mission, CLICK-A, launched in September 2022 to demonstrate optical downlink. The second phase, CLICK-B/C, aims to demonstrate optical …
-
Design of non-serial, non-parallel flexural transmissions as applied to a micro-machined MEMS tuning fork gyroscope
… the implementation of a high-performance micro-electromechanical system (MEMS) tuning fork gyroscope (TFG) that may be used for inertial navigation, automobile rollover detection, video games, and smartphones. These design rules build upon Freedom Actuation and Constraint Topologies (FACT), …
-
May the force be with you : a medical ultrasound system with integrated force measurement
… thesis explores the design and development of an electromechanical system to measure the contact force during ultrasound scanning. The device is a handheld ultrasound probe with force sensors integrated into its housing such that the force distribution across the ultrasound transducer face can be …
-
Development of a single-stage nano indenter
… single degree-of-freedom stage in a MEMS (Micro-Electromechanical system) platform that enables very precise displacement as well as force control. This type of stage finds use in determining fluid properties such as viscosity; to determine the strength and rigidity of carbon nanotubes (CNTs) and …
-
An Electromechanical Synchronization of Driving Simulator and Adaptive Driving Aide for Training Persons with Disabilities
… This necessitates the design of a method and a system which helps a person with disabilities learn how to operate a joystick-enabled vehicle, by using a combination of an advanced vehicle interface system, which is a driving aide known as Advanced Electronic Vehicle Interface Technology (AVEIT) …
-
Micro Electrostatic Actuation of a Silicon Diaphragm
… actuating diaphragms. These MEMS (micro-electromechanical system) devices can be actuated by electrostatic forces, which utilize an induced electric field to pull two charged plates towards one another. Such devices were fabricated and electrostatic actuation of the diaphragms was …
-
A method for on-line water current velocity estimation using low-cost autonomous underwater vehicles
… cost come with a trade off of simple navigation systems, typically dead reckoning (DR) using a speed determined via propeller counts and heading from a low cost micro-electromechanical system (MEMS) inertial measurement unit (IMU), whose error grows unbounded without the availability of a ground …
-
A method for on-line water current velocity estimation using Lol-cost autonomous underwater vehicles
… cost come with a trade off of simple navigation systems, typically dead reckoning (DR) using a speed determined via propeller counts and heading from a low cost micro-electromechanical system (MEMS) inertial measurement unit (IMU), whose error grows unbounded without the availability of a ground …
-
Chip-Scale Gas Chromatography
… have benefited from the advancements in micro-electromechanical system (MEMS) and nanotechnology based solutions to miniaturize the key components of GC instrument (pre-concentrator/injector, separation column, valves, pumps, and the detector). The purpose of this dissertation is to address the …
-
Dual-Use Strain Sensors for Acoustic Emission and Quasi-Static Bending Measurements
… with the application of modern micro-electromechanical system-based (MEMS) technology, the fields of NDE and SHM can be improved greatly, and sensing instrumentation simplified. A novel piezoresistive-based MEMS strain sensor is presented as this improvement to NDE and SHM. The …
-
Computational Design of the Electrical and Mechanical Performance of Steerable MEMS Antennas
… antenna that can be beam-steered by a micro-electromechanical system (MEMS). The steerable MEMS antenna of this work was comprised of a planar antenna on top of a Silicon membrane. The membrane is etched to create a gimbal hinge structure and a platform which supported the antenna and gave it …
Page 1 of 2