On the control system tab, you can select a compensator tuning method, and create response plots for analyzing your controller performance. Power system analysis lab experiments using matlab manual s. These tools allow you to determine the response of systems, measure system performance, and visualize system dynamics. A lab report for each lab except for lab 1 will be due the following week in lab. Power system analysis lab experiments using matlab manual.
Analysis and design of control systems using matlab by rao. Matlab manual for control system lab, contain the basics of control system rout locus,bode plot,block diagram reduction etc. Control systems lab laboratory manual prepared by p. To train the students to use engineering tool, matlab, to create and extend its functions as. To give the students the opportunity to practice engineering report writing and teamwork. Its important parameters are speed torque characteristics. Similar to the continuous time case, transient response of a digital control system can also be characterized by the following. To design a proportional controller for first order system with dead time using process reaction curve requirements. It is a common practice to consider the system initially at rest. Matlab is a programming language that is specially designed for the manipulation of matrices. Introduction to the controlsystems laboratory, matlab, and simulink. To train the students to use engineering tool, matlab, to create and extend its functions as necessary. In control system lab four numbers of codes ec583, ee593, ei593ee and ee691 are performed. This way, the student becomes acquainted with the various control ex.
Matlab only recognizes the first 31 characters in a variable name. Control systems lab manual grietelectrical and electronics. The user interface is for the most part selfinstructive, but a brief manual is included in appendix. Write matlab code to obtain transfer function of a system from its pole,zero, gain values. Every student must prepare and submit an individual report to the lab instructor at the subsequent lab session. Lab manual of feedback control systems page 15 exercise1. Feedback control systems engineering is a multidisciplinary subject and presents a control engineering. The lab report for each experiment should contain the sections as mentioned. Control systems, and control engineering techniques have become a ubiquitous part of modern technical society. System analysis once a model has been introduced in matlab, we can use a series of functions to analyze the system. The analysis and design of control systems using matlab book by rao v. To introduce the matlab software for polynomials, script writing and programming aspect of matlab from control systems view point. This lab provides an introduction to matlab in the first part. Consider the digital control system shown in figure1.
Control systems and simulation lab lab manual subject code. To provide a foundation for use of these softwares in real time applications course outcomes 1. Getting started with the control system designer matlab. Consider a 345kv transmission line consists of threeconductorflat towers shown in fig. The second lab quiz will be later in the semester and will cover concepts from the labs and lecture and matlab programming. The material is partly based on material from the department of automatic control, lund institute of technology, sweden. An ability to find importance of these softwares for lab experimentation. Matlab can be used with systems given in the form of transfer. Obtain the unit step response of the following system using simulink. Feedback control systems fall, 2006 1 simulink basics simulink is a graphical tool that allows us to simulate feedback control systems. The primary objective of this experiment is to learn root locus using matlab.
Give the required inputs in the command window of matlab in matrix format. Ecen 44 automatic control systems matlab lecture 1. Matlab software is used for simulation of communication experiments students will carry out design experiments as a part of the experiments list provided in this lab manual. Convolution convoluting two signals is very simple using matlab as follows. All original diagrams have been created using either xg or matlab. In most of the power system studies it is required to form y bus matrix of the system by considering certain power system parameters depending upon the type of analysis. Power systems laboratory user manual department of. Obtain the poles and zeros of the transfer function given below. To select the integration technique and parameters to be used during simulations, doubleclick on the left terminal of the simulation loop. Together with simulink and additional toolboxes it facilitates control system design and analysis, which can. Simulate a dc position control system using matlab and obtain its step response. To improve on this situation, lets consider closedloop control of the system. Automated classifying and grading system of tomatoes using fuzzy logic manual operation is considered as a big factor in a low production and the smart farm system is one way that can address this problem by improving and increasing the quality and quantity of. Nov 16, 2016 i did not use matlab for quite a while.
By using matlab and simulink the transfer function can performed to represent s it response as shown in figure 25. Polynomials polynomials in matlab are represented by a vector containing the coefficients in descending order. This tutorial demonstrates how to set up a control loop with the temperature control lab. The transient response of a system depends on the initial conditions. You can also store, compare, and export different control system designs. To introduces the scilab simulation package tool for polynomials, script writing and programming for the system design and analysis from control systems view point. The io ports of cp 1104 are accessible from inside the.
Feedback control systems engineering is a multidisciplinary subject and presents a control engineering methodology based on mathematical fundamentals and. The plots are generated nicely in matlab and the linux version. Using matlab for control systems cise 302 lab manual page 7 variables variable names. Bus admittance is often used in power system studies. If real automatic steering systems were to use this control approach, cargo ships bound for new york might find themselves in cuba after several days of openloop steering. First, use matlab to find the closed loop transfer function of the system. Ac servomotor has best use for low power control applications. Wi s dom control system analysis using matlab by mr. The control system is implemented in matlab on a pc, using the toolboxes realtime workshop and realtime target. Apps and functions, such as step response plot and bode plot, let you analyze and visualize system.
A quick overview of the syllabus and expectations for lab reports. Control systemsmatlab wikibooks, open books for an open world. Now we are ready to simulate the openloop response of the system. This transmission system consists of a singleconductor per phase, which is a bluebird acsr conductor with a diameter of 1. To prepare the students to use matlab labview in their project works. Response of the first order system with unit impulse response. It is not possible to receive a grade of a if one of these sessions is missed. It integrates computation, visualization, and programming. Dukkipati, is designed as a supplement to an introductory course in feedback control systems for undergraduate or graduate engineering students of all disciplines. Pdf lab manual control system matlab aamir sohail nagra. Simulate a dc position control system using matlab and obtain its step. The control system itself has been built by someone else and is almost a black box to the student.
Because of its computational power, matlab is a tool of choice for many control engineers to design and simulate control systems. Pdf introduction to control systems design using matlab. Simulating control systems with simulink and matlab ee128. Dixon et al a matlab based control systems laboratory experience for undergraduate students 219 these tools enable educators and students to focus on control system design, implementation, and evaluation rather than on timeconsuming, lowlevel programing i. The performance of the resulted digital control system is compared with the continuoustime control system performance. Power system simulation lab 10eel78 20172018 contents program no. These are done using the data acquisition and control board dacb, which inputs the measured signals to the computer and outputs control action to the actuator in the control loop.
The model developed to this point is a model of the openloop system. For this example, graphically tune your compensator using the root locus editor and openloop bode editor, and validate the design using the closedloop step response. Matlab is a higherlevel technical computing language that provides a platform for algorithm development, data analysis, data visualization, etc. Assume pole locations are 2, 1, zero at 1 and gain is 7. Ece 429 control systems lab manual the gmu ece department. By default, control system designer displays these responses when it opens. Obtain the phase margin and gain margin for a given transfer function by drawing bode plots and verify the same using matlab. This page is going to discuss using matlab for control systems design and analysis. You can specify your system as a transfer function, statespace, zeropolegain, or frequencyresponse model. Using matlab help system, click on help matlab help or type helpdesk to can open the help les. Download analysis and design of control systems using matlab. Introduction to simulink section 1 background information this lab will introduce the use of simulink, an extension to matlab, for use in simulating control systems.
You may repeat above steps for various values of field voltages by controlling pot p2 and. Type the program in the matlab editor that is in mfile. If it is required to convolute any two signals, you can use the conv instruction directly but you should care for the limits of the independent variable of the result as. Feedback control systems fall, 2005 1 simulink basics simulink is a graphical tool that allows us to simulate feedback control systems. In these code the following experiments has been conducted. Matlab was written originally to provide easy access to matrix software developed by the linpack linear system package and eispack eigen system package projects. The lab also provides tutorial of polynomials, script writing and programming aspect of matlab from. Formation of y bus using singular transformation method with and.
Students will be given a specific design problem, which after completion they. Pdf control systems lab manual talha shah academia. Simulink is a software program with which one can do modelbased design such as designing a control system for a dc motor speed control. The rst lab quiz will be early in the semester and will focus on matlab usage only. Where t rc time constant of the system, k the gain of op amp. Introduction to control systems design using matlab. I used to be an expertise in matlab and matlab simulink. Ac servo motor setup, digital multimeter and connecting leads. Develop a plc program for an automatic control system of a. For example, to get information about the function size, enter the following. Control system toolbox provides algorithms and apps for systematically analyzing, designing, and tuning linear control systems. Ybus may be formed by inspection method only if there is no mutual coupling between the lines.
A matlabbased control systems laboratory experience for. The lab reader has been composed using the lyx document processing system and typeset with latex2. Due to the limited number of workstations, missed hardware labs cannot be made up. Simulating control systems with simulink and matlab. No lab report will be given a grade better than f until you turn in an approved. Matlab provides an online help system accessible by using the help command. Now i work in different field and did not use matlab as much. Application of the many classical and modern control system design and analysis tools is based on mathematical model. The rest of the file is the executable matlab code defining the function. Nov 10, 2014 no remark 1 021220 introduction to lab view. September 10, 20 ee380 control lab iitk lab manual and inputs the values of the controllers parameters into a convenient interface provided on the control system. In this lab you will build a model of a secondorder system and observe the response to a step input. Generate the following matlab simulink model and simulate its step response. Attendance is required in all hardware lab sessions see the lab schedule at the beginning of this manual.
Abcd parameters for long transmission network 06 02 a. Since transfer functions are ratio of polynomials, let us see how matlab handles polynomials. There will be at least two paperpencil quizzes related to the lab during the semester. Most control system simulation software packages such as matlab only have functions for continuoustime and discretetime simulations, e. Power system analysis lab experiments using matlab. Electrical simulation grietelectrical and electronics. To study ac servo motor and plot its torque speed characteristics. When doing the lab, the software packages matlab with control systems toolbox, and. Oct 30, 2017 the heater in the arduino temperature control lab is regulated with a pid controller to meet a set point. The impulse response is the response to the dirac input. Matlab 1 is a highperformance language for technical computing. Introduction matlab has many tools to help you analyze and design systems. Nyquist of linear time invariant system using matlab.
Obtain the unit impulse response of the following system using simulink. An ability to express programming and simulation for engineering programs. Experiment to draw the frequency response characteristic of a given lag lead. Analysis and simulation of control systems using matlab matlab can be used to analyze systems described by transfer functions or state space. Using matlab for control systems cise 302 lab manual page 4 cise 302 linear control systems lab experiment 1. The final step is the computation of an optimal control law for the linearized system, using the linear. Professor control system the study and design of automatic control systems is a vast field. This lab is to write a general matlab program function to simulate the step response of a sampleddata digital. Matlab simulink and control desk programming ds1104 and control in realtime.
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