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 68 for “"PI Controller"”.
-
Three phase inverter for induction motor control using fuzzy-pi controller with arduino
… phase inverter for induction motor using Fuzzy-PI controller with Arduino. The Fuzzy-PI controller is designed using the Matlab’s Simulink program software. The purpose of the controller is to control the current fed to the induction motor during motor operation. Using this Fuzzy-PI control …
-
Design and analysis DC/DC boost converter using pi controller for battery charger application
… boost converter using Proportional-Integral (PI) controller for battery charger application has been improved. In power field the DC/DC converters are electronic devices used to change DC electrical power efficiently from one voltage level to another. Operation of the switching devices causes …
-
Harmonic elimination by switching angle optimization technique for multilevel inverter
… Multilevel Inverter (CHBMLI) with two various controllers are presented. Proportional Integral (PI) and Artificial Neural Network (ANN) controllers are used to improve the performance of output voltage and a low level of total harmonic distortion (THD). A pulse width modulation generators have …
-
The field oriented control of a permanent magnet synchrounous motor (PMSM) by using fuzzy logic
… motor (PMSM) drive system of Fuzzy Logic Controller (FLC) and proportional-integral PI for speed control in closed loop operation. To perform speed control of typical PMSM drives, PI controllers and FOC method are classically used. PI Controller controller suffers from the drawback that …
-
A comparative study of MPPT and voltage regulator controllers for controlling output voltage in PV applications
… Perturb and Observe (P&O) algorithm with a PI controller algorithm are selected to enhance the MPPT task over the conventional method. This algorithm needs voltage and a current sensor to sense the power parameters of the panel in real time and generate a small difference in duty cycle …
-
Analysis and observation of grid connected single phase inverter integration
… point to be tracked, a singlephase inverter and PI controller, all connected to a single-phase utility grid. The maximum power point is maintained with a perturb and observe method. A PI controller is used to control the power injected into the grid. The controller is used to generate PWM and …
-
Analysis and implementation of time-delay systems and networked control systems
… systems where the delays are often random are typical cases of such systems.<br/><br/>For one particular category of time-delays systems, integral processes with dead time (IPDTs), the control limits that a PI controller can achieve are discussed in this thesis. These limits include the region of …
-
Design and Optimization of Intelligent PI Controllers (Fuzzy and Neuro-Fuzzy) for HVDC Transmission System
… the performance of Fuzzy Logic (FL) based PI controllers for High Voltage Direct Current Transmission Systems (HVDC) by optimizing the key parameters i.e. membership functions (MFs) and fuzzy rule base in the controllers design. In the first part of the thesis, an adaptive Fuzzy PI …
-
Advanced Control Design of an Autonomous Line Painting Robot
… to this thesis as well. Three different controllers were developed. The Proportional-Integral (PI) controller with an anti-windup feature was designed to overcome the drawbacks of the traditional PI controller. Model Reference Adaptive Control (MRAC) was introduced into this thesis to …
-
Doubly Fed Induction Generator Control Using Artificial Neural Network for Wind Generation System
… to develop an artificial neural network (ANN) controller for the doubly fed induction generator in wind generation system. It was proposed a data acquisition method using the system outcome with the conventional PI controller in order to train and test the ANN controller. The ANN controller was …
-
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 …
-
Single Degree of Freedom Solid Rotor Velocity Control Induction Drive
… velocity control via a proportional-integral (PI) controller applying a constant amplitude, variable frequency drive. The stator consists of six iron teeth, evenly spaced and pointing radially inward, wound with 160 turns of copper wire each in a three-phase, two-pole configuration. A steel …
-
Adaptive PI control of NOx̳ emissions in a Urea Selective Catalytic Reduction System using system identification models
… of this thesis is to develop an adaptive controller that is capable of uniformly maintaining a high efficiency and a low ammonia slip in the presence of various uncertainties in the underlying mechanisms as well as the environment that significantly affect the SCR dynamics. Towards this …
-
Modeling and control of antilock braking systems utilizing dynamic friction tire model
… automobile industry. This thesis addresses the controller designs for antilock braking systems (ABS) in vehicles. Simplified quarter vehicle models with special emphasis on the modeling of tire and dynamic tire-road interaction is utilized to develop and test the proposed controllers. The …
-
Applied Control Strategies at a Cogeneration Plant
… Internal Model Control (IMC) correlations for PI controller tuning</p> <p>4) Static feed forward with feedback trim</p> <p>5) Cascade Control</p>
-
Modeling and Stability analysis of proposed Wind Farm at Búrfell, Iceland
… operation of the turbine. Therefore, rectifier controller is used. Rectifier controller ensures the smooth operation of wind turbine by controlling the extraction of power and maintain the DC voltages. This is achieved by controlling the power extraction using Park Transformation[20] with PI …
-
The application of fuzzy control to fed-batch fermentation
… control techniques, neural networks, fuzzy controllers and adaptive control techniques. The operation and properties of fuzzy controllers were investigated. A specific form of fuzzy controller, presented in the literature, which was shown to correspond to a PI controller with a nonlinear …
-
Applications of game theory in microgrids
… converters, a non-cooperative game theory based PI controller tuning method is proposed to help make more stable output voltage. For microgrids that are connected in network, a cooperative game theory based local energy exchange scheme is proposed to help them meet their energy requirements while …
-
Dsp Implementation Of Dc Voltage Regulation Using Adaptive Control For 200 Kw 62000 Rpm Induction Generator
… voltage regulation has been implemented using PI controller. A gain scheduling control algorithm has been developed to select the appropriate controller gains with respect to the generator load. Further, a relationship between the generator loads and the controller gains has been established. …
-
Design and implementation of an automatic poly registration control system in a hygienic industry
… The trial and error method used to resolve the pitch variation issue did not take into account the rapid rate of change of the pre-printed poly pitch. To solve the problem, a comparison between a conventional Proportional-Integral (PI) controller and a Fuzzy-logic (FL) approach are considered. …
Page 1 of 4