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.
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Showing 1 to 20 of 34 for “"Fuzzy Logic Control"”.
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Navigational fuzzy logic control of an autonomous vehicle
The control of an autonomous passenger vehicle to reach a target amid static and dynamic obstacles is presented. To accommodate various model and environmental uncertainties, fuzzy logic is used in designing the vehicle's controller. The controller evaluates sensor information and outputs signals …
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AC motor speed performance improvement using fuzzy logic control
This project focuses on the fuzzy logic controller design to control single phase induction motor. The controller strategy is done through phase angle control method. The phase angle is controlled by controlling the firing angle delay of the triac. This controller system is implemented and …
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Fuzzy logic control for reducing drying-induced corn breakage
A fuzzy logic control system for reducing drying-induced breakage of corn for a continuous crossflow grain dryer was developed. This system makes control decisions for heater setting and discharge rotor speed based on the underlying relationships between the measurable process variables and the …
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Analysis and Applications of the Km Algorithm in Type-2 Fuzzy Logic Control and Decision Making
Interval type-2 (IT2) fuzzy logic controller (FLC) is an extension of type-1 (T1) FLC. A large number of experiments have demonstrated that the IT2 FLC can produce more satisfactory performance. However, there has been no rigorous theoretical analysis studying the potential advantage of the IT2 …
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Controller design via H[infinity] optimal control, quantitative feedback theory and fuzzy logic control : an application to load frequency control
This thesis describes the application of robust controller design techniques namely H[infinity] optimal control, fuzzy logic control and quantitative feedback theory to the load frequency control problem of power systems. It thus forms a comparative study of these design methods. Load frequency …
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Study of fuzzy logic in safety and control systems in nuclear power plants
Safety and control systems in Nuclear Power Plants are essentially run without intelligent systems. As nuclear industry starts to become more advanced and vendors are starting to manufacture more advance products, old structures and systems in place will eventually become obsolete needing …
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Design of a prototype personal static var compensator
… var compensator (PSVC) for distributed var control through load power factor correction. The PSVC demonstrates the two key benefits of power factor correction, which include decreased power costs and increased system capacity. The PSVC prototype consists of two types of branches---a TSC …
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An Efficient Wide-Speed Direct Torque Control Based on Fuzzy Logic Technique
Conventional Direct Torque Control (CDTC) system faces the problems of high flux and torque ripples, and has difficulty in improving the performance of dynamic torque response and control flux locus at very low speed. Under field weakening condition, when the speed is beyond the rated speed, the …
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MR dampers in smart structures with nonlinear non-affine dynamics improvising intelligent control
… suspension systems demands effective tools for control and health monitoring. These infrastructure systems are usually integrated with actuation, sensing, computation resources and information networks, taking advantage of the synergy of civil engineering and mechatronics in an emerging area …
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Governor control optimization of hydro power plants using hybrid fuzzy logic and PID control.
Control of hydro power plants has been an issue of concern for researchers; moreover, more emphasis has always been put on governor control which naturally has slower response, but vital in ensuring system stability and elimination of load tracking errors. This thesis studies on ways to use fuzzy …
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An adaptive fuzzy logic controller for intelligent networking and control
In this thesis, we present a fuzzy logic control scheme to regulate the flow of traffic approaching a set of intersections. An adaptive Fuzzy Logic Traffic Controller (FLTC) is used to adjust the green phase split of the north-south and east-west approaches of a set of traffic signals based on the …
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Virtual Synchronous Machine based Fuzzy V-F Control for VSC of Battery Storage System for Seamless Performance of Microgrid
… (VSC) of PV generating unit operates in P-Q control mode in both grid-tied and islanded operation of microgrid due to its intermittent characteristics. The VSC of battery energy storage system (BESS) operates in P-Q control mode during grid-tied operation and in V-F control mode during …
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APPLICATION OF ARTIFICIAL INTELLIGENCE TO STATIC VAR SOURCE CONTROL FOR IMPROVING POWER SYSTEM DAMPING
… of system oscillations from the conventional control of SVC are usually small. Supplementary control is resorted to achieve significant damping. Two kinds of Fuzzy Logic Control (FLC) based SVC controllers are proposed. The first kind of FLC mechanism is based on the power system oscillation …
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On the use of fuzzy logic to control paralleled DC-DC converters
The objective of the thesis is to introduce a new fuzzy logic control application, develop the associated mathematical theory and prove the concept and its advantages through comparative simulation with existing, classical, methods. A stable fuzzy logic controller for the master-slave current …
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Fuzzy control for an under-actuated robotic manipulator : Pendubot
Control of under-actuated mechanical systems (robots) represents an important class of control problem. This thesis studies several related control problems associated with an under-actuated robot, Pendubot, from the point view of fuzzy logic control. To swing up the Pendubot from a rest position …
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Rule-Based Approaches for Controlling on Mode Dynamic Systems
This dissertation presents new fuzzy logic techniques for designing control systems for a wide class of complex systems. The methods are developed in detail for a crane system which contains one rigid-body and one oscillation mode. The crane problem is to transfer the rigid body a given distance …
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Switching control systems and their design automation via genetic algorithms
… is to provide a simple and effective nonlinear controller. Our strategy involves switching the underlying strategies in order to maintain a robust control. If a disturbance moves the system outside the region of stability or the domain of attraction, it will be guided back onto the desired …
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