Browsing by Author "Kahveci, N. E."
Now showing items 1-17 of 17
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Conference Object
Adaptive control design for cargo ship steering with limited rudder angle
Kahveci, N. E.; Ioannou, Petros A. (2009)Marine transportation offers a cost-effective and viable alternative to cargo aircraft, trains, and trucks in general. Traffic control in congested waterways has recently become a challenging task demanding higher accuracy ...
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Article
Adaptive control of unmanned aerial vehicles in atmospheric flight with reduced models
Kahveci, N. E.; Ioannou, Petros A.; Mirmirani, M. D. (2007)We propose an approximate implementation scheme for an adaptive linear quadratic control structure by employing a balanced truncation procedure in the loop prior to solving the associated Algebraic Riccati Equation (ARE). ...
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Article
Adaptive LQ control with anti-windup augmentation to optimize UAV performance in autonomous soaring applications
Kahveci, N. E.; Ioannou, Petros A.; Mirmirani, M. D. (2008)The performance of a glider can be considerably improved by means of soaring and optimization of its trajectory. Recent advances in the area of static soaring assume known linear glider dynamics and no actuator saturation ...
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Article
Adaptive steering control for uncertain ship dynamics and stability analysis
Kahveci, N. E.; Ioannou, Petros A. (2013)Marine transportation offers a cost-effective and viable alternative to cargo aircraft, trains, and trucks in general. Traffic control in congested waterways has recently become a challenging task demanding higher accuracy ...
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Conference Object
Advanced static soaring flight controls for input constrained aircraft
Kahveci, N. E.; Ioannou, Petros A. (2010)Control surface actuator nonlinearities are recognized as a source of significant problems in flight control system design and verification. Recently developed adaptive control design methodologies with anti-windup ...
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Conference Object
Aircraft dynamics with input rate constraints: An adaptive flight control application
Kahveci, N. E.; Ioannou, Petros A. (2009)Magnitude and rate limitations imposed on the input signal in control systems can be handled using antiwindup compensator design procedures with near-optimal system performance guarantees in case the system experiences ...
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Conference Object
Automatic steering of vehicles subject to actuator saturation and delay
Kahveci, N. E.; Ioannou, Petros A. (2011)In automatic vehicle steering applications the demand is towards developing more efficient and robust lane detection and tracking algorithms for safe lane keeping, merging and changing. The relevant control strategies, ...
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Conference Object
Cruise control with adaptation and wheel torque constraints for improved fuel economy
Kahveci, N. E.; Ioannou, Petros A. (2010)Cruise controllers are used to automatically control the speed of motor vehicles. In order to maintain a desired vehicle speed the controller takes over the throttle in a cruise control system which proves particularly ...
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Conference Object
Genetic algorithms for shortest path routing of autonomous gliders
Kahveci, N. E.; Ioannou, Petros A. (2008)Onboard power resources pose inevitable limitations on the flight performance of any aerial vehicle regardless of its type, size or mission. Popular soaring techniques recognized to be providing significant energy savings ...
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Conference Object
A heuristic search algorithm for maneuvering of UAVs across dense thermal areas
Kahveci, N. E.; Ioannou, Petros A.; Mirmirani, M. D. (2007)In order to ensure that an aircraft has the potential to meet the assigned performance requirements which are often mission specific, the particular aerodynamic demands involved must be taken into account during the aircraft ...
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Conference Object
An indirect adaptive control design with anti-windup compensation: Stability analysis
Kahveci, N. E.; Ioannou, Petros A. (2007)We combine an adaptive law with a control design including a Linear Quadratic (LQ) controller and a Linear Matrix Inequality (LMI) based anti-windup compensator using the certainty equivalence principle for asymptotically ...
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Conference Object
Indirect adaptive control for systems with input rate saturation
Kahveci, N. E.; Ioannou, Petros A. (2008)An indirect adaptive control design with anti-windup augmentation for stable systems subject to input magnitude saturation is extended to address systems with significant input rate constraints. We use the method of ...
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Conference Object
Optimal flight trajectories through recursive thermal streets with uncertain climb rates
Kahveci, N. E.; Ioannou, Petros A. (2008)The flight performance of Unmanned Aerial Vehicles (UAVs) has recently been attempted to be optimized in various static soaring applications. The optimal flight paths can be generated for specific scenarios where the climb ...
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Conference Object
Optimal static soaring of UAVs using vehicle routing with time windows
Kahveci, N. E.; Ioannou, Petros A.; Mirmirani, M. D. (2007)Soaring, a biologically inspired technique recognized as a sport worldwide, has recently been investigated for Unmanned Aerial Vehicle (UAV) applications. Satisfactory experimental results have been obtained in terms of ...
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Conference Object
Parameter identification and adaptive control for improved vehicle yaw stability performance
Kahveci, N. E.; Ioannou, Petros A. (2010)Applications of automatic steering constitute an active research field within automotive control systems. The steering performance of a vehicle can be evaluated in terms of the extent to which it is capable of following ...
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Conference Object
A robust adaptive control design for gliders subject to actuator saturation nonlinearities
Kahveci, N. E.; Ioannou, Petros A.; Mirmirani, M. D. (2007)Range, endurance and cross-country speed of a glider can be considerably improved by efficient soaring methods. Recent static soaring research assumes known linear glider dynamics which do not change with flight conditions, ...
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Conference Object
A stochastic approach to optimal soaring problem and robust adaptive LQG control
Kahveci, N. E.; Ioannou, Petros A.; Mirmirani, M. D. (2007)The soaring performance of a glider Unmanned Aerial Vehicle (UAV) depends a great deal on the thermal characteristics including thermal strength and location. Onboard sensor measurements are typically corrupted by noise ...