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 1119 for “"actuator"”.
-
Microbubble cell actuator
The field of microsystems technology is rapidly growing, and expanding its horizons to applications in bioengineering. Currently, there are no cell analysis systems that facilitate the collection of dynamic responses for a large number of cells, and sorting based on those results. A cell chip has …
-
Linear actuator powered flapping wing
… the feasibility of using an almost silent linear actuator to power a flapping wing UAV. In order to this, a wing was designed and installed into a test set-up to replicate normal flight conditions of flapping wing flight (FWF). The designs of the wing, the test set-up and the actual experiments …
-
Service-Oriented Sensor-Actuator Networks
… dissertation, we propose service-oriented sensor-actuator networks (SOSANETs) as a new paradigm for building the next generation of customizable, open, interoperable sensor-actuator networks. In SOSANETs, nodes expose their capabilities to applications in the form of service profiles. A node's …
-
Bucky gel actuator for morphing applications
Since the demonstration of Bucky Gel Actuator (BGA) in 2005, a great deal of effort has been exerted to develop novel applications for electro-active morphing materials. Three-layered bimorph nanocomposite has become an excellent candidate for morphing applications since it can be easily …
-
Design and optimization of magnetostrictive actuator
… This dissertation is the introduction of an actuator based on "MS"-technology The possible control arrangement is based on "MR"-technology. The thesis is submitted for the degree of the PhD The dissertation contains the layout definition, analytical calculations, simulations, and design …
-
Actuator Disk Theory for Compressible Flow
… applications of propellers and turbines, the Actuator Disk Theory or Froude’s Momentum Theory was established for compressible, subsonic flow using the three laws of conservation and isentropic thermodynamics. The compressible Actuator Disk Theory was established for the unducted (bare) and …
-
A Reluctance Actuator Gap Disturbance Testbed
We have designed and built a Reluctance Actuator Gap Disturbance Testbed. The testbed emulates the short stroke and long stroke interaction of modern lithography stages. The testbed can be used to impart gap disturbance of the order of 10[mu]m to a target platten thereby providing a gap disturbance …
-
Conducting polymer actuator enhancement through microstructuring
… currently studied as novel biologically inspired actuators. The actuation mechanisms in these materials are based on the diffusion of ions in and out of the polymer film. Giving ions more access to the center of the films by inducing holes on its surface can improve strain rates. A unique surface …
-
Experimental/analytical determination of optimal piezoelectric actuator locations on complex structures based on the actuator power factor
The actuator power factor is defined as the ratio of the total dissipative mechanical power of a PZT actuator to the total supplied electrical power to the PZT actuator. If measured experimentally, it can be used to optimize the actuator location and configuration for complex structures. The …
-
TiO2-doped Ionic Polymer-Metal Composite Actuator
… attention in the past several years. IPMC actuators are capable of complex deformation in water and air and they are soft actuation materials with promising applications in wide range of fields, such as robotics and medical devices. Although fabrication techniques on the polymer doped with …
-
Analysis on actuator dynamics in active wheelsetcontrol
… evaluate the applicability and requirements of actuators in the implementation of active solid–axle wheelset control systems, for primary suspensions of the railway vehicles, and the effects of actuator dynamics on the overall active control system. The research is focused on the use of …
-
Soft Bending Actuator for Body-Powered Application
Soft actuators are inherently compliant, highly dexterous, and lightweight alternatives to traditional electromechanical actuators in many robotic applications, especially human-interactive robots. This research aims to develop a soft robotic actuator that leverages body movements to mimic the …
-
Fully Aerosol-Jet Printed Trilayer Electrochemical Actuator
Electrically driven soft actuators are essential components for numerous emerging technologies that require controlled mobility, including biomedical devices capable of navigating the human body, miniature robots for environmental monitoring, and haptic interfaces. Electrochemical actuators (ECAs) …
-
Novel Embroidered Actuator Fabrication and Design Optimization
McKibben actuators have extensive applications in soft robotics and wearables; however, traditional manufacturing processes limit their ability to tailor design parameters to specific applications. This thesis explores a novel fabrication method for these actuators: using an embroidery machine to …
-
Characterization of an Electromagnetic Tuned Vibration Actuator
Tuned vibration absorbers (TVA) have been discussed in literature since the early twentieth century. These devices are implemented to suppress the system's vibration by transferring energy to the absorber mass. This research examines an electromagnetic tuned vibration absorber that can have its …
-
Development of Micro Thermal Actuator with Capactive Sensor
… (FEA) model of an indirect heating thermal actuator. The heat transfer mechanisms are investigated and the conductive heat transfer is found to be the dominant heat transfer mode. A model simplification method is discussed and used in the analysis to reduce the degrees of freedom and avoid …
-
Dynamic Modeling of Soft Robotic Dielectric Elastomer Actuator
<p>Dielectric elastomers actuators (DEAs) are among the preferred materials for developing lightweight, high compliance and energy efficient driven mechanisms for soft robots. Simple DEAs consist mostly of a homogeneous elastomeric materials that transduce electrical energy into mechanical …
-
Analysis and control of monolithic piezoelectric nano-actuator
The study of the monolithic piezoelectric actuator, the dominant type of micropositioner is an attractive and challenging area, where realtime control theory and digital signal processing are effectively applied. The actuator can be applied in precision instruments and precision control, such as …
-
Three Degree-of-Freedom Parallel Actuator Telescope Mount
… been designed to be easily adapted to different actuator configurations. It is recommended that this design be implemented into a telescope in the one to two meter range for economic practicality.</p>
-
Segmented binary control of shape memory actuator systems
… design and control of shape memory alloy (SMA) actuators is presented. SMA wires are divided into many segments and their thermal states are controlled individually as a group of finite state machines. Instead of driving a current to the entire SMA wire and controlling the wire length based on …
Page 1 of 56