Now showing items 1-10 of 46
Optimum Actuator Grouping in Feedforward Active Control Applications
(Virginia Tech, 1994-10-06)
Previous work has demonstrated the benefit of grouping actuators to increase the controllability of an active control system, without increasing the number of control channels. By driving two or more secondary sources ...
Real-time compensation of static deflections in robotic manipulators
(Virginia Tech, 1994-12-09)
The focus of this work is the real-time prediction and compensation of static deflections in robotic manipulator arms. A general manipulator deflection model is developed based on static beam theory and robot kinematics. ...
3-D flow and performance of a rocket pump inducer at design and off-design flow rates
(Virginia Tech, 1994-08-05)
Microwave freeze-drying of aqueous solutions
(Virginia Tech, 1994-09-20)
A comparison study of genetic algorithms in feedback controller design
(Virginia Tech, 1994-12-08)
<p>This thesis discusses the use of genetic algorithms as a global search technique to solve three optimization problems: a sixth-order polynomial problem, a single-degree-of-freedom spring-mass-damper (SDOF SMD) system ...
Calculation of gas-wall heat transfer from pressure and volume data for spaces with inflow and outflow
(Virginia Tech, 1994-08-05)
<p>Heat transfer in cylinder spaces is important to the performance of many reciprocating energy conversion machines, such as gas compressors and Stirling machines. Work over the past 10 years has shown that heat transfer ...
The transport and remote oxidation of compartment fire exhaust gases
(Virginia Tech, 1994-02-15)
<p>The majority of deaths and injuries in compartment fires result from inhalation of the toxic gas, carron monoxide (CO), especially in locations remote from the burning compartment. This causes the transport and oxidation ...
Electro-dynamic analysis of stack actuators and active members integrated within truss structures
(Virginia Tech, 1994-08-15)
<p>In this thesis, a method of predicting the steady state, dynamic, electromechanical behavior of stack actuators (both electrostrictive and piezoelectric) integrated within complex structures is developed and experimentally ...
Design, installation and testing of a bioremediation-based system for treating regulated medical waste
(Virginia Tech, 1994-06-05)
<p>Disposal of regulated waste has become a major challenge for the generators. Disposal of such waste is regulated by local, state and federal agencies and the problem is intensified because of liability issues, public ...
Reconciliation of a Rayleigh-Ritz beam model with experimental data
(Virginia Tech, 1994-09-05)
<p>In order to perform structural optimization and/or modification on a structure, an analytical model which sufficiently describes the behavior of the structure must be developed. Analytical models can be generated for ...