Now showing items 1-6 of 6
Establishing Autonomous AUS-Quadrotor
Vertical takeoff and landing Unmanned Aerial Vehicles (VTOL-UAVs) are superior to their counterparts fixed wing UAVs for urban applications. The objective of this thesis is to establish a VTOL UAV platform to complement ...
Suppression of Unstable Flow by Using Rough Surfaces at Small Mass Flow Rates in a Radial Diffuser
The operation of centrifugal compressor systems is limited at low-mass flow rates by fluid flow instabilities leading to rotating stall or surge. These instabilities limit the flow range in which the compressor can operate. ...
Optimization of Commercially Off the Shelf (COTS) Electric Propulsion System for Low Speed Fuel Cell UAV
Fuel cell technology offers higher energy density than any other onboard electric power source. However, despite its high energy content per unit mass, the fuel cell is lacking in power density ratio compared to Lithium-Polymer ...
Nonlinear Adaptive Control of Quadrotor
In this research, nonlinear and adaptive controls of quadrotors are designed. The system is considered as an under-actuated system, which has six degrees of freedom (DOF) and four actuators. In addition, a nonlinear model ...
Artificial Intelligence-Based Modeling of the Nonlinear Behavior of Buckling-Restrained Braces
The present research attempts to investigate and compare various artificial intelligence techniques to model the dynamic nonlinear behavior of Buckling Restrained Braces (BRBs). The various intelligent models are developed ...
Design of Robust Controllers for a Rotary Wing Helicopter
Due to inherent instability, parametric variations, changing properties during flight, and uncertainties in predicting aerodynamic coefficients, helicopter flight control requires strategies with enough robustness to cope ...