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37 articles for “Fuzzy PI controller”
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Auto Tuning of PI Controller using Fuzzy Logic for the Spherical Tank System and its Real Time Implementation
Abstract: In this paper, Auto Tuning of PI controller using fuzzy logic is developed to improve the performance of the spherical tank process. A real time implementation of proposed controller for a spherical tank to control liquid level is studied. Control of liquid level in a spherical tank is highly non linear due to variation in the area of cross section of level system with change in shape. System identification of …
Published in Journal of Control & Instrumentation · Vol. 5, Issue 3, 2014 · pp. 28–37 Read article
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Comparison of Speed Control of PMSM using Adaptive Fuzzy Logic Controller and PI Controller
Abstract: Permanent Magnet Synchronous Motors (PMSM) are widely used in low and mid power applications such as computer peripheral equipment, robotics, adjustable speed drives and electric vehicles. The growth in the market of permanent magnet motor drives has demanded the need of simulation tools capable of handling motor drive simulations. Simulations have helped the process of developing new systems including motor drives, by reducing cost and time. In a closed loop …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 24–30 Read article
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Mitigation of Harmonics in Industries using a Multilevel Shunt Active Power Filter
Abstract: The vast development in power electronic equipments causes higher harmonics in the distribution line in order to reduce the harmonics. This work proposes a design of Multi-Level Inverter (MLI) based Shunt Active Filter (SAF) intended to sort out the presence of harmonics in the distribution line. This proposed SAF utilizes three level diodes clamped MLI as VSI. d-q theory is employed for reference signal generation. In order to regulate the …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 8, Issue 3, 2021 · pp. 39–50 Read article
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PI and Fuzzy Logic Controller Based Analysis of Load Frequency Control for Thermal-nuclear Hybrid Energy Systems
Abstract: In this paper a two-area system: area-1, which has a thermal power plant, and area-2, which contains a nuclear power plant. By combining these domains, two area thermal-nuclear systems are developed in the MATLAB Simulink framework. To ensure the quality of power generated and to feed the load, generation should be raised in tandem with the growth in load demand, or the network should be connected. Using various controllers, LFC …
Published in Trends in Electrical Engineering · Vol. 14, Issue 1, 2024 · pp. 1–9 Read article
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Performance Evaluation of Sliding Mode, Fuzzy Logic and PID Controllers for Twin Rotor MIMO System
Abstract: In twin-rotor MIMO system, two-different rotors need to be controlled by taking the impact of one rotor on the another leading to couplings. Due to the cross-coupling effects between main rotor and tail rotor of twin-rotor MIMO system, its regulation is a challenging task. The state-variable models of the Twin-rotor MIMO system are discussed in detail. The vertical and horizontal equivalent sub-systems are obtained using the above state-variable formulation taking …
Published in Journal of Control & Instrumentation · Vol. 13, Issue 2, 2022 · pp. 36–62 Read article
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Fuzzy and PI Based Speed Control of BLDC Motor using Bidirectional Converter for Electric Vehicle Application
Abstract: Fuzzy logic control can be used in BLDC motor to control the four quadrants of operation so as to avoid power loss. In this study, a fuzzy based controller for speed control of BLDC motor is done, and it is compared with the conventional PI controller-based speed control technique. In addition to this, a bi-directional converter is used to achieve battery charging during regeneration and to charge the battery externally …
Published in Trends in Electrical Engineering · Vol. 8, Issue 3, 2018 · pp. 35–45 Read article
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Investigation on Direct Torque Control of BLDC Motor Using Various Controllers
Abstract: BLDC Stands for brushless DC Motor. Direct torque control is a type of a vector control. Direct Torque control consist of two control loops one is speed control and other one is torque control. For the purpose of speed control several speed controllers are used in this work such as PI, PID Controller and Fuzzy Controller. PID Controller was used for better speed response, no steady state error but due …
Published in Journal of Instrumentation Technology & Innovations · Vol. 11, Issue 2, 2021 · pp. 19–30 Read article
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Temperature Control System using Artificial Intelligence
Abstract: Artificial Intelligence (AI) based controller for temperature control of a water bath system. The generation of membership function is a changeling problem for fuzzy systems and the response of fuzzy systems depends mainly on the membership functions. Artificial Neural Network based input and output used to tune the membership functions in fuzzy system. Two input and single output artificial intelligence is designed to control the temperature system .Further the tuning …
Published in Journal of Control & Instrumentation · Vol. 3, Issue 1-3, 2012 · pp. 76–83 Read article
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Design and analysis of PV based Micro-inverter using INC MPPT controller and Fuzzy Logic controller
Abstract: The reserve of conventional energy sources such as coal, natural gas, and crude oil are rapidly decreasing with increasing demand of electricity in the world.Also the fossil fuels cause air pollution, global warming and similar environmental problems. Therefore, recent studies have become widespread about renewable energy sources (RESs) such as biomass,hydropower, geothermal, wind and solar which are the most popular worldwide. Among other RESs, solar energy is assumed as the …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 2, 2021 · pp. 16–29 Read article
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Design and analysis of PV based Micro-inverter using INC MPPT controller and Fuzzy Logic controller
Abstract: The reserve of conventional energy sources such as coal, natural gas, and crude oil are rapidly decreasing with increasing demand of electricity in the world.Also the fossil fuels cause air pollution, global warming and similar environmental problems. Therefore, recent studies have become widespread about renewable energy sources (RESs) such as biomass,hydropower, geothermal, wind and solar which are the most popular worldwide. Among other RESs, solar energy is assumed as the …
Published in Journal of Microcontroller Engineering and Applications · Vol. 8, Issue 1, 2021 · pp. 6–18 Read article
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Fuzzy Control for Speed Control of DC Motor with Two-inductor Boost Converter
Abstract: This study presents a closed loop control of two-inductor boost converter fed DC motor with the design of fuzzy controller to control the speed of separately excited DC motor. The speed of motor can be changed by controlling the armature and field voltages. The fuzzy controller is designed to control the armature voltage while the field voltage is fixed as a constant. The fuzzy controller system tunes to error and …
Published in Trends in Electrical Engineering · Vol. 8, Issue 2, 2018 · pp. 1–9 Read article
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Reduction of Harmonics for Isolated Diesel Generation System with DSTATCOM Using Fuzzy
Abstract: This paper presents the compensation of reactive power, harmonics, and unbalanced load current of diesel generator set for an isolated system by controlling voltage source convertor (VSC) which is working as distribution static synchronous compensator (DSTATCOM). Here least mean square based adaptive linear element (ADALINE) is use to extract balanced positive sequence real fundamental frequency component of the load current for converter and used to control DSTATCOM. For fast dynamic …
Published in Journal of Automobile Engineering and Applications · Vol. 2, Issue 3, 2015 · pp. 12–22 Read article
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Field Oriented Control of Induction Motor using DSP Processor
Abstract: This paper presents a field oriented control of an induction motor (IM) using DSP processor. Three-phase squirrel cage induction motors have been preferred due to their rugged in construction, simplicity and its robustness enables them to be used in all kinds of environments and for long duration of time. Out of various speed control techniques, field oriented control of induction motor drive is employed with fuzzy logic controller in order …
Published in Trends in Electrical Engineering · Vol. 8, Issue 1, 2018 · pp. 14–18 Read article
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Temperature Control Techniques for Heat Exchanger System: A Review
Abstract: Heat transfer from one process fluid to another is necessary application of the process control. Heat exchangers are most widely used in industrial application to transfer of heat. Different types and configuration according to its flow, temperature and pressure, etc. are used for different application. Oil and gas, food industries, HAVAC system, power generation heat exchanger are widely used. Control objective is to keep outlet temperature of heat exchanger at …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 1, 2017 · pp. 1–11 Read article
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Performance Analysis of BLDC Motor: A Fuzzy Approach
Abstract: AbstractThe main objective of this paper is to study the performance analysis of a Brushless DC (BLDC) motor supplying different types of loads, and at the same time, deploying different control techniques. A Fuzzy controller is compared with the commonly used conventional controllers. The controller is designed to track variations of speed references and to stabilize the output speed during load variations. A comparison has been carried out by observing …
Published in Journal of Microcontroller Engineering and Applications · Vol. 6, Issue 2, 2019 · pp. 20–33 Read article
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Design and Analysis of PV-based Micro-inverter using INC MPPT Controller and Fuzzy Logic Controller
Abstract: The reserve of conventional energy sources such as coal, natural gas, and crude oil are rapidly decreasing with increasing demand of electricity in the world. Also, the fossil fuels cause air pollution, global warming, and similar environmental problems. Therefore, recent studies have become widespread about renewable energy sources (RESs) such as biomass, hydropower, geothermal, wind and solar which are the most popular worldwide. Among other RESs, solar energy is assumed …
Published in Journal of Microcontroller Engineering and Applications Read article
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Design and Simulation of Fuzzy Logic Based Speed Control for an SPWM Inverter-fed Induction Motor Taking Core Loss and Stray Load Losses into Account
Abstract: Speed and torque of an induction motor need to be controlled in order to achieve smooth control application. Field oriented control aids this factor and enables independent control of speed and torque by establishing an independent relationship between motor parameters. This complex relationship is developed due to consideration of core loss and stray load loss while modeling an induction motor. These two negligible but important parameters are neglected in most …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 17–24 Read article
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Level Control of Tank System: Comparative Approach
Abstract: Level measurement and control and monitoring are important for many products and processes in a diverse range of industries including manufacturing, storage and service industries. In this paper liquid level in the cylindrical tank is to be controlled at desired value. The composite controllers of proportional integral controller and proportional integral derivative controller was designed using Ziegler Nichols tuning for the cylinderical tank system. The fuzzy logic controller was implemented …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 2, 2015 · pp. 9–12 Read article
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Sliding Mode Controller-based Load Frequency Regulation for a Two-area Interrelated Power System
Abstract: This study presents the use of the sliding mode control approach for power systems load frequency regulation. A sliding mode load frequency controller is part of a two-area power system. Both reheat and non-reheat. These two regions each have a distribution of thermal turbines. Nonlinearities such as governor dead region and production rate limitations are included in the block diagram of a power plant model. Our control objective is to …
Published in International Journal of Advanced Control and System Engineering · Vol. 1, Issue 2, 2023 · pp. 8–13 Read article
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Review of Control Strategies in Lower Extremity Exoskeleton
Abstract: Personal mobility is one of the biggest challenges for ensuring the quality of rehabilitation in the lives of Persons with Locomotor Disabilities (PwLDs) and old aged persons. In order to ensure effective orthotic rehabilitation, there is need to design and develop more and more automated aids and appliances. In order to know the status of research a study has been made on the controllers of lower limb exoskeleton (LLE). In …
Published in International Journal of Robotics and Automation in Mechanics · Vol. 1, Issue 2, 2023 · pp. 9–21 Read article