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Fractional-Order Proportional-Integral-Derivative (FOPID) controllers presents a natural extension to PID controllers, which have been used profusely in industrial control systems, and are of great practical preference. This paper presents an implementation of FOPID control in an industrial distributed control system (DCS) that is used here for level process control. The setup is composed of ABB DCS...
A new design method for PID controller using user-specified gain margin and phase margin for delayed systems has been proposed. The proposed PID controller is particularly useful in auto-tuning. The controller parameters are calculated using several approximations and elimination processes. The robustness of the proposed controller is verified by different simulation examples.
This article propose a hybrid fractional order PIDcontroller which is optimized with classical proportional integralderivative controller (PID) gives an exquisite response. Here thetwo tuning method are used to evaluate the parameters of PIDcontroller, first one is Ziegler-Nichols and other one is Astrom-Hagglund method. The parameters of FO-PID controller in useas the proportional constant, integral...
Controlling a boost converter having a right-half-plane zero in its transfer function as compared to a buck converter is a difficult task to accomplish. This paper suggests the optimization of the traditional proportional-integral-derivative (PID) control algorithms for the boost converter through the unconstrained nonlinear optimization technique. This reduces the labor for finding out the well-tuned...
In this paper, fractional order controller is designed to control the tank level of level process. Based on experimental model of the process, the integer and fractional order controller tuning rules have been compared in order to minimize the integral absolute error (IAE) and integral time absolute error (ITAE) with a constraint on the maximum sensitivity. To test the process model stability, the...
In this study, we developed low cost educational material for learning fundamentals of mechatronics by well combining Arduino, Scilab/Xcos, and hardware modules. The availability of the developed educational material is verified by a practice example.
This paper presents the development of a multivariable control system for regulation of the physical quantities associated to the fouling phenomena on an experimental platform. This platform is considered as a two-by-two system, i.e., the voltage and current as the inputs system and the flow and pressure as the outputs system. In the Matlab scripts, the plant model was identified as a set of first-order...
The aim of this paper is to design and validate the performance of a PI controller using Ziegler Nichol's (ZN) tuning method, Skogested tuning method and Fractional Order (FO) tuning method for a Single Spherical Tank Liquid Level System (SSTLLS) whose modelling has been done in real time. Mathematical modelling of the system is done assuming the system to be a Single Input Single Output (SISO) model...
This study proposes the implementation of Active Vibration Control (AVC) via a well-designed Graphical User Interface (GUI) to suppress the unwanted vibration of flexible beam system. The flexible beam system is the model to be controlled which is obtained from System Identification technique. A Proportional-Integral-Derivative (PID) controller is implemented in this study with three types of tuning...
AVR (Automatic Voltage Regulator) is a part of the synchronous generator and it is responsible for regulating the reactive power and voltage level under normal operating terms at different load levels. The modeled system composed of the amplifier, exciter, sensor and proportional-integral-derivative (PID) controller. In order to model the system state space method is used. Also, their specifications...
In this paper, we present a flexible optimization tool suitable for fractional-order PID controller design with respect to given design specifications. Fractional-order controllers are based on the rapidly evolving scientific field called fractional-order calculus. Its concepts are applicable in solving many scientific and engineering problems, including robust control system design. The fractional...
This paper discuss about the development of Proportional and Integral (PI) controller for disc speed by involving the disturbance at the feedback control. The effect of the disturbance to the disc speed system is eliminated by Proportional and Integral (PI) controller. The PI controller is tuned heuristically from the MATLAB/simulink at which integrated with the disc plant. The performance of the...
It is difficult for the control system to get expected effect because of factors such as time-varying and non-linear. Considering the fact, a new algorithm is put forward, in which parameters of the PID control parameters are optimized by BP and RBF nets. By using MATLAB as the simulation tool, this new PID auto-tuning algorithm is simulated and researched. The simulation results show that this algorithm...
It is always a hard work to optimize the parameters of auto disturbance rejection controller (ADRC) because of its too many parameters. An optimization method for designing the submarine course ADRC based on the Nonlinear Control Design (NCD) block set of Matlab was proposed. The chief algorithm of ADRC and characters of the NCD block set were referred in briefly too. It was pointed out that there...
Constant pressure water supply system is a complex time-delay system which makes it difficult to ensure the good control performance and fast response in the working condition for traditional PID control. This paper presents a speed control system of constant pressure pump unit based on fuzzy self-tuning PID control strategy which can realize parameter tuning of PID real-timely. According to a real...
Auto tuning PID controller is designed using MATLAB, Simulink and Graphical User Interface (GUI) as well as the optimization of PID controller without excessive mathematic calculations. Ziegler-Nichols second method is used for designing purpose of the auto tuning PID controller. Some drawbacks have been discovered using this technique, where in some cases analysis and design problems can be tedious,...
The paper presents development of a new tuning method for fractional order PID controller for the systems which have integer order transfer functions. All the parameters of the controller, namely proportional gain kp, integral gain ki, derivative gain kd, fractional order of integrator λ and fractional order of differentiator μ can be obtained by using this method. It is clearly shown that the fractional...
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