A self tuning fuzzy pi controller pdf

The algorithm is based on continuous changeadaptation of the pi gains until best dynamic response is achieved. The fuzzy system has been designed to track the variation parameters in a feedback loop and tune the classical controller to achieve a better control action for load disturbances and set point changes. The proposed method it2fst updates the opid controller gains in an online manner to drive the spmsm with better speed response during variable load and parameter uncertainty occurrence. In this paper, a self tuning fuzzy pi controller is used for the supply air pressure control loop for heating, ventilation and airconditioning hvac system. Hybrid self tuned fuzzy pid controller for speed control of. Based on the simulations, both of conventional and fuzzy self tuning pid controllers can properly damp oscillations in lack of the inner feedback loop, but proportional controller cannot do.

A systematic tuning procedure would make it easier to install fuzzy controllers, and it might pave the way for auto tuning of fuzzy controllers. Selftuning fuzzy controller scaling factors tuning rule membership. Depending on the process trend, the output scaling factor sf of the controller is modified online by an updating factor. Bldcm, but the initial parameters of the pi controller are still regulated by hand.

Fuzzy selftuning pi controller for bioreactors springerlink. In literature, a number of works have been carried out to tune the pi. Pdf selftuning fuzzy pi controller and its application to. Selftuning pid controller design using fuzzy logic for half car active. In figure 2, the self tuning fuzzy pid controller receives the inputs e and e to. This is because, unlike a conventional pi controller, rigorous mathematical formulation is not needed to design a good fuzzy controller. The power flow analysis is performed on an ieee14 bus system with the above controllers. Finally a selftuning fuzzy pid controller is developed and tested. In this paper, fuzzy self tuning of pid controller is designed to control of active suspension system for quarter car model. Selftuning fuzzy pi controller for integrating and nonlinear. Pid controller, fuzzy controller and fpid controller for speed control of dc motor. Intelligent control techniques include fuzzy control, neural networks or a mix of them.

Design of a masterslave rehabilitation system using selftuning fuzzy pi controller shuxiang guo1,3 songyuan zhang2 zhibin song1 and muye pang2 1department of intelligent mechanical systems engineering 2 graduate school of engineering 3college of automation, harbin engineering university kagawa university hayashicho, takamatsu, 7610396, japan. This is relevant whenever a pid controller is possible or already implemented. Pdf selftuning of pi speed controller gains using fuzzy. Figure 2 outlines the backgrou nd and purpose of this work. This paper presents the realtime implementation of a fuzzy coordinated classical pi control scheme for controlling the pressure in a pilot pressure tank system. Pdf stabilizing a gimbal platform using selftuning fuzzy. The self tuning fuzzy pid controller employs the combination of pid and fuzzy algorithms. Position control of shape memory alloy actuators using. The self tuning pi fuzzy controller was proposed to. Introduction a basic control system has an input, a process, and an output. Based on it, this paper will combine wobs control with fuzzy control and design a kind of parameters self tuning fuzzy pi controller to complete autodrilling. Our framework for a self tuning analog pid controller is shown in figure 2.

Compared with the traditional pi control, a contrast simulation was proposed to evaluate the performance of fuzzy pi control. Fuzzy self tuning of pid controller for active suspension system. Pdf fuzzy selftuning pid controller for a ship autopilot. Pi controller based on artificial intelligence techniques. The basic idea is to parameterize zieglernichols like tuning formula by two parameters. The basic objective of control system is of regulating the value of some. A fuzzy selftuning pi controller for speed control of. The switches are used to put the system into control or tuning mode. In this paper, proportional integral derivative pid, fuzzy logic and \hbox h\infty controllers are used to control the car suspension system based. Volume 115, issue 2, 16 october 2000, pages 327338. Speed control of dc motor using fuzzy pid controller. Pid controllers may be tuned in a variety of ways, including hand tuning, ziegler. E5afe5ef fuzzy temperature controller, operation manual firmy omron 1992.

Self tuning of pi speed controller gains using fuzzy logic controller article pdf available in modern applied science 26 january 2009 with 1,314 reads how we measure reads. Reduced rule base selftuning fuzzy pi controller for tcsc. Implementation of selftuning fuzzy pi controller on dcs. Im open to use of fuzzy logic if it helps, also have a machinelearning algorithm on the chip that models the system response and heatloss linear approx. Design of selftuning fuzzy pi controller in labview for. Compared to traditional linear control strategy, fuzzy controller has better robustness and stability in the changing or nonlinear application. Through proper controller tuning the amplitude and frequency of stiction related oscillation can be reduced on the basis of describing function analysis is presented by 8. Speed control of bldc motor by using pid control and self. Then shortperiod approximation is assumed to assess the function of fspid and cpid controllers in confront with abrupt and continuous disturbances, in.

Position control of shape memory alloy actuators using self. Block diagram window for pid, fuzzy and fuzzy plus pid controller. In this work the objective is achieving srm speed control in matlabsimulink by self tuning fuzzy pi controller with ann tuning. Design and implementation of a selftuning pid controller. A fuzzy self tuning is used to develop the optimal control gain for pid controller proportional, integral, and derivative gains to minimize suspension working space of the sprung mass and its change rate to. Selftuning fuzzy pi controller and its application to hvac system article pdf available in international journal of computational cognition 61 january 2008 with 1,228 reads. The controller is composed of fuzzy and linear pi d controllers. Depending on the process trend, the output scaling factor sf of the. Dc motor, speed control, ziegler nichols method, pid controller, fuzzy logic controller and fuzzy pid controller, matlabsimulink. Structure of self tuning fuzzy pi controller the general control system structure is consisting of three parts. Pid fuzzy controller being fast and robust, simulation studies using psim program are carried out and compared to the results of the conventional loop gain design method for which matlab program is used.

For this purpose, the dynamic model of a 5hp motor is obtained using. In this paper it was designed a stpif for a dtcsvm threephase im based in 5, where only. Pid controller tuning using fuzzy logic linkedin slideshare. The block diagram of the self tuning fuzzy pid controller is illustrated in figure 2. A fuzzy selftuned pi controller for regulation of a nonlinear bioreactor is presented. Fuzzy cognitive maps, pi controllers, self tuning, supervisory control, optimization. In 10, the authors have proposed a robust h 1 controller design for linear synchronous motor drive. Design of fuzzy pi controller for brushless dc motor based on. Dif adaptive flc such as self tuning and self organizing controllers has also been developed and implemented 9. Position control of shape memory alloy actuators using self tuning fuzzy pid controller kyoung kwan ahn and bao kha nguyen abstract. Analysis of a fuzzy self tuning pid controller for.

Fuzzy controllers designed based on our best knowledge on the system behavior are able to continuously adjust parameters of the control system to enhance the performance of the system. Department of electrical engineering, national university of singapore, 10 kent ridge crescent, singapore 0511 peizhuang wang3 institute of system science, national university of singapore, heng mui keng terrace, kent ridge, singapore 0511 received august. Among them, the control rules and the scaling factors play important roles. Recently active filters and fuzzy logic are being used in power systems. In this new approach, the fuzzy tuning of a conventional pi controller gains is achieved through fuzzy rules deduced from many robustness simulation tests applied to several induction motors, for a variety of. In xue, liu, and pan 2015, an adaptive fuzzy proportionalintegralderivative pid controller has been proposed to realize a fast and smooth response to the speed regulation of bldcm, where the parameters of the pid controller are self tuned by a fuzzy. Implementation of selftuning fuzzy pi controller on dcs for. Autotuning fuzzy controller of hayashi 25 considers two tuning functions.

A robust selftuning scheme for pi and pdtype fuzzy. Results shows that the proposed selftuning fuzzy pid controller has better performance. General type2 fuzzy pi controllers can provide an acceptable tradeoff between the robust control performance of the it2fpi and the acceptable transient and disturbance a self tuning zslices based general type2 fuzzy pi controller tufan kumbasar, member, ieee and hani hagras, fellow, ieee r. Advances in intelligent systems and computing, vol 247. General type2 fuzzy pi controllers can provide an acceptable tradeoff between the robust control performance of the it2fpi and the acceptable transient and disturbance a selftuning zslices based general type2 fuzzy pi controller tufan kumbasar, member, ieee and hani hagras, fellow, ieee r. Self tuning pi control of dynamic voltage restorer using fuzzy logic 1richa agrawal, 2mahesh singh, 3kushal tiwari 1 pg research scholar, 2 sr. A robust selftuning pitype fuzzy logic controller flc is presented. The strategy of control is based on the tuning of pi controllers gains online by.

Fuzzylogic based selftuning pi controller for high. A selftuning zslices based general type2 fuzzy pi controller. Design fuzzy self tuning of pid controller for chopperfed. Servomotors use feedback controller to control either the speed or the position or both, and the basic continuous feedback control is pid controller. In both cases only the output scaling factor was adjusted online depending on the process trend. Self tuning fuzzy pi controller for active filter optimized by ant colony method abstract. We propose a selftuning fuzzy pi controller stfpic for integrating and non linear processes with dead time where a nonfuzzy gain modifying factor.

The selftuning fuzzy pi controller stfpic is adjusted the output scaling factor online by fuzzy rules according to the current trend of the controlled process. Selftuning pi control of dynamic voltage restorer using. Comparison between the conventional output and the fuzzy self tuning output was done on the basis of the simulation result obtained by matlab. Panda abstractthis paper introduces a fuzzy logicbased tuning of the controller parameters for the rectifier side current regulator and inverter side gamma controller in a high voltage direct current hvdc system. Design of self tuning pid controller using fuzzy logic for dc. Practical interval type2 fuzzy selftuning of pid controller. Controller design methodology a typical control structure of a pmsm is shown in figure 1 krishnan, 2001.

Shape memory alloy sma actuators, which have the ability to return to a predetermined shape when heated, have many potential applications such as aeronautics, surgical tools, robotics and so on. In this regard, the authors have the idea that this work is an innovative aspect of realtime with self tuning pidtype fuzzy adaptive controller. Selftuning pi control of dynamic voltage restorer using fuzzy logic 1richa agrawal, 2mahesh singh, 3kushal tiwari 1 pg research scholar, 2 sr. Self tuning fuzzy logic technique is one of these methods proposed for the online adaptive tuning of pi controller 14,15. Selftuning fuzzypibased current control algorithm for. Pdf a selftuning zslices based general type2 fuzzy pi. Pdf the role of proportionalintegral pi controller and proportionalintegral derivative pid controller as a speed controller for a permanent. Self tuning fuzzy pi type controller in zsource inverter for hybrid electric vehicles corresponding author. Nov 21, 2012 references 161 gaddam mallesham akula rajani,automatic tuning of pid controller using fuzzy logic8th international conference on development and application system. Realtime control and application with selftuning pid. Control schemes vary from tracking to dynamic positioning. Fuzzy self tuning of pid controller for active suspension.

In control mode, the fpaa takes the user input and controls the plant accordingly. Pdf design of fuzzy selftuning pid controller for pitch. From the output response, it is observed that the fuzzy. It corrects the pi gains, initially designed using smallsignal modeling, to improve converter dynamic response and disturbance rejection.

The system output response of the fuzzy coordinated pi controller, pi controller, and pi type fuzzy controller for the set pressure level of 3 bar and 4 bar are shown in figures 9 and 10. Selftuning of pi speed controller gains using fuzzy logic. Throughout the paper, this controller is described as fuzzy pi controller for simplicity. Abstract in this paper, self tuning fuzzy pid controller is developed to improve the. Advanced controllers using fuzzy logic controller flc. The application of the decentralized modal control method for pole placement in multimachine power. A selftuning fuzzy pi controller for pure integrating.

Fuzzy sets and systems 56 1993 3746 37 northholland fuzzy selftuning of pid controllers shizhong he1, shaohua tan fenglan xu. A selftuning zslicesbased general type2 fuzzy pi controller abstract. Selftuning of pi speed controller gains using fuzzy logic controller article pdf available in modern applied science 26 january 2009 with 1,314 reads how we measure reads. The controller of this active filter is using fuzzy logic as its base. Pdf selftuning of pi speed controller gains using fuzzy logic. Splitrange control of a jacketed cstr using selftuning fuzzy pi controller abstract. A selftuning zslices based general type2 fuzzy pi controller article pdf available in ieee transactions on fuzzy systems 234. In this paper, a selftuning fuzzy pi controller is used for the supply air pressure control loop for heating, ventilation and airconditioning hvac system. Development of fuzzylogicbased self tuning pi controller. A fuzzy proportionalintegralderivative pid controller has not been widely investigated for active antiroll bar aarb application due to its unspeci. The paper examines the application of a fuzzy self tuning controller for ship course steering. Design of selftuning fuzzy pid controllers for position.

In this paper, we presented a hybrid fuzzy and pi controller for the upperlimb rehabilitation robot which was designed and built in our lab to assist patients poststroke in the rehabilitation. A fuzzy self tuned pi controller for regulation of a nonlinear bioreactor is presented. In a stfpic controller, the outputscaling factor is adjusted online by an updating factor. A robust self tuning pi type fuzzy logic controller flc is presented. This study presents a fuzzyproportionalintegral pi controller having selftuning property for current control of doubly fed induction generator dfig. A fuzzy self tuning pi controller for hvdc links aurobinda routray, p. A selftuning fuzzy pi controller for tcsc to improve. This controller tuned the pi controller gains according with the system parameters under this faulty operating period and these results are compared with fuzzy and self tuning pi controllers. We have used a real time tuning for output scaling factors. The interval type2 fuzzy proportionalintegral pi controller it2fpi might be able to handle high levels of uncertainties to produce. Splitrange control of a jacketed cstr using selftuning. Application of intelligent pdf control algorithm to an electrohydraulic. Design of a masterslave rehabilitation system using self.

Wseas transactions on systems and control salim, jyoti ohri eissn. In this paper, an active filter to eliminate harmonics of line current and correct its waveform has been used. It is clear that an hvdc system supported by a fuzzy self tuning pi controller and statcom can work well. May 22, 2008 the controller parameters of the conventional pi controller are obtained through cc tuning method. Fuzzy selftuning pi controller for phaseshifted series.

Voltage regulation of statcom using fuzzy self tuning pi. In this work the aim is to improve the controlle r s performance using hybrid fuzzy and pid. These controllers are tested for both speed regulation and speed tracking. Another paper on fuzzy logic application in dtcsvm shows that the fuzzy pi or pi type fuzzy speed controller has a better response for a wide range of motor speed 8ferent type of. Panda abstractthis paper introduces a fuzzy logicbased tuning of the controller parameters for the rectifier side current regulator and inverter side gamma controller. Pdf application of a selftuning fuzzy pipd controller. Self tuning fuzzy logic controller a self tuning fuzzy controller is that in which the control rules, the membership function, or the scaling factors are self adjusted. Accordingly, it is possible to test the proposed strategy in order to find a better solution.

The fuzzy self tuning approach implemented on a conventional pid structure was able to improve the dynamic as well as the static response of the system. Threephase induction motor dtcsvpwm scheme with self. Tuning of fuzzy pid controllers petra christian university. This paper implements a practical interval type2 fuzzy self tuning it2fst of optimal pid opid controller to servo permanent magnet synchronous motor spmsm. Hybrid self tuned fuzzy pid controller for speed control of brushless dc motor ramya a. Design fuzzy self tuning of pid controller for chopperfed dc motor drive. Pid controller has a good static performance especially for linear and timeinvariant systems, but a weak dynamic performance and discouraging function on nonlinear, timevarying, and uncertain systems. Therefore, tuning the pi controller in advance is not too useful. The proposed h 1 control system has improved tracking performance in comparison to the conventional. Pdf selftuning fuzzy pi controller and its application to hvac.

Self tuning pidtype fuzzy adaptive controller was used first in the literature search and success results have been obtained. Fuzzy picontroller with self tuning scaling factors. The aim of this paper is to present a novel design of a fuzzy based self tuning ti controller fstpic for speed regulation of an indirect fieldoriented induction motor im. A variety of control systems have been proposed for aircraft autopilot systems. The fuzzy controller is responsible for adjusting the pid gains to optimize the output. In this paper, a selftuning fuzzy pi controller stfpic is proposed for thyristorcontrolled series capacitor tcsc to improve power system dynamic performance. Photovoltaic gridconnected microinverter based on self. Since the flc tunes the existing pi controller gains online, it is described as the self tuning of pi gains using fuzzy logic controller. Traditional approaches such as proportional controller and conventional pid cpid controller are widely used. Selftuning pitype fuzzy direct torque control for three.

Direct current dc servomotors are widely used in robot manipulator applications. The experimental results showed that controller can improve dynamic and static performance of the device, then it can control robot effectively to aid. Cstr is a highly nonlinear process and the nonlinear behavior of such processes requires other methods than conventional control. A selftuning analog proportionalintegralderivative pid. Analysis,of,a, fuzzy, self, tuning,pid, controller,for,nonlinear,pressure, control,system. The interval type2 fuzzy proportionalintegral pi controller it2fpi might be able to handle high levels of uncertainties to produce a satisfactory control performance, which could be potentially due to the robust performance as a result of the smoother control. In such application, the controller gains are online tuned with the variation of system conditions. Pi controllers, boost converters, fuzzy controllers self tuning fuzzy controllers. The mentioned fuzzy system is different from traditional. Cussing direct digital control methods have provided useful performance. In this paper, a pi self tuning mechanism based on a fuzzy logic scheme is proposed.