A ramp signal is a signal which changes with time gradually in a linear fashion. Chapter 5 twotank liquid level control using a basic. Using matlab for control systems cise 302 lab manual page 9 matrices a is an m x n matrix. Matlab manual and introductory tutorials ivan graham. Pdf control systems lab manual talha shah academia. Most control system simulation software packages such as matlab only have functions for continuoustime and discretetime simulations, e.
Explore using the matlab functions zeros, ones, eye, and randto create the matrix. Table 11 shows the basic built in matlab functions. The program in % dspic30f4012 sends this information as tab seperated ascii % values. Application of the many classical and modern control system design and analysis tools is based on mathematical model. I have practical experience with implementing control systems in addition to designing and simulating them. Unity and non unity feedback system using matlab 5. To introduces the scilab simulation package tool for polynomials, script writing and programming for the system design and analysis from control systems view point. By using matlab and simulink the transfer function can performed to represent s it response as shown in figure 25. We will start by calculating the fourier series coefficient using a function that we will develop based on the definition of the fourier series. This lab is to write a general matlab program function to simulate the step response of a sampleddata digital.
To understand matlab simulink and implement system s transfer function using it. Using matlab help system, click on help matlab help or type helpdesk to can open the help les. A dc position control system is a closed loop control system in which. 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. Computational aids in control systems using matlab. Design lag, lead, leadlag compensators and verify experimental results using matlab. To solve the system equations and obtain the response of the system for different inputs. You can use the functions sgrid or zgrid to plot lines of constant damping ratio. Simulation of poles and zeros of a transfer function 9. This is done by typing demotoolbox, control at the matlab. Lab manual of feedback control systems page 10 experiment 2 introduction to matlab simulink objective.
In the software component, students carry out a number of computer experiments written in c or matlab, illustrating some of the fundamental concepts and applications of digital signal processing, such as quantization and sampling, block pro. This video shows how to use the matlab pid function and the effect of changing the parameters kp, ki and kd. In this chapter, we illustrate several important features of the dac platform developed in chapter 4 by performing liquid level control of a coupled, twotank system. Control systems lab manual grietelectrical and electronics.
Matlab version, license number, operating system on which matlab is running, java. Students will be given a specific design problem, which after completion they. To obtain the ramp response of a transfer function of the given system using matlab. Matlab control systems engineering book is available in pdf formate. Matlab det matematisknaturvitenskapelige fakultet, uio.
Control systems simulation lab consists of multiple. Control systems lab laboratory manual prepared by p. Experiment to draw the frequency response characteristic of a given lag lead. Pdf simulation of the mathematical model of a quad rotor.
To train the students to use engineering tool, matlab, to create and extend its functions as necessary. This allows you to plot the output in matlab using the. Automated design methods, such as pid tuning, imc, and lqg. At the end of this lab manual, there is an example quiz 1. Execute time response analysis of a second order control system using matlab 2. Control systems lab maual bms institute of technology. Apps and functions, such as step response plot and bode plot, let you analyze and visualize system. Ece 429 control systems lab manual the gmu ece department. Description of laboratory works is for use in the laboratory.
Ecen 44 automatic control systems matlab lecture 1. Interpretedcode based system in which the fundamental element is a matrix. Manual2 matlab 2007 11 the formula used for calculating the discretetime fourier series coefficient is. Matlab is a higherlevel technical computing language. Structure of the laboratory control systems laboratory presents facilities of computing and simulation through matlab and demonstration on feedback designed equipment with pci cards creating an impressive digital control system development environment. Define the transfer function for both process and controller by double clicking the transfer function block.
Using matlab scilab a simulation of a typical second order. Analyze and interpret stability of the system through root locus, bode plot and nyquist plot. This lab provides an introduction to matlab in the first part. Control system toolbox, so that it can be used to aid in the design and analysis of control systems. Analyze toque speed characteristics of dc and ac servomotors.
Conversion of a transfer function from continuous domain to discrete domain. Simulate a dc position control system using matlab and obtain its step. In these code the following experiments has been conducted. Matlab manual for control system lab, contain the basics of control system rout locus,bode plot,block diagram reduction etc. After the completion of this course student able solve the control system problems by using the programs through matlab. For description of a single function or command, type. Simulating control systems with simulink and matlab. To obtain zeros and poles from a given transfer function using matlab. In this lab you will build a model of a secondorder system and observe the response to a step input.
The main knowledge about matlab and simulink matlab. From this experiment it is observed that motor does not follow a sudden change in. Matlab provides an online help system accessible by using the help command. The set of values of z for which the ztransform gz converges is called its region of convergence roc useful commands. Program flow control 10 logical functions 10 mfiles 11 timing 11 mathematical functions. Graphically tune poles and zeros on design plots, such as bode and root locus.
Simulation of dc motor characteristics using matlab 8. You may repeat above steps for various values of field voltages by controlling pot p2 and. Simulating control systems with simulink and matlab ee128. The developed virtual lab can be used easily by students to study and visualize classical control principles using flightgear and matlab gui with an attractive case study of a flight control. Control system toolbox provides algorithms and apps for systematically analyzing, designing, and tuning linear control systems. A matrix array is two dimensional, having both multiple rows and multiple columns, similar to vector arrays.
Lab manual control system matlab aamir sohail nagra university of. Matlab is an interactive program for numerical computation and data visualization. Feedback control systems fall, 2006 1 simulink basics simulink is a graphical tool that allows us to simulate feedback control systems. To study ac servo motor and plot its torque speed characteristics. Pdf lab manual control system matlab aamir sohail nagra. This % file belongs to the lab manual for ee380 control lab. System and file commands 4 inputoutput and formatting commands. Lab 0 introduction the dsp lab has both a software and a hardware component. Matlab can be used with systems given in the form of transfer.
Matlab and simulink run on the control systems laboratory en129 computers and on the ece computation laboratory en6 computers. Priorfamiliarity withmatlab isassumed, and prior exposure to simulink is helpful. Getting started with the control system designer matlab. The primary objective of this experiment is to learn root locus using matlab. Pdf automatic control education using flightgear and. Stamp 2 bs2 microcontroller 55 to be programmed by matlab and simulink. Matlab lecture 1 introduction and control basics presented by moayed daneshyari oklahoma state university. Model predictive control system design and implementation. To introduce the matlab software for polynomials, script writing and programming aspect of matlab from control systems view point. You can specify your system as a transfer function, statespace, zeropolegain, or frequencyresponse model.
In control system lab four numbers of codes ec583, ee593, ei593ee and ee691 are performed. Once a model has been introduced in matlab, we can use a series of functions to analyze the system. The objective of the lab is to design a system and calculate the transfer function, analyzing the stability of the system both open and closed loop, with positive and negative feedback with time domain approach and frequency response analysis, using matlab and also developing the system. The plant transfer function is the one given in experiment a. Mathematically, the unit ramp signal is represented as given below. The practical circuit of the second order control system can represented using two. Simulation of the mathematical model of a quad rotor control system using matlab simulink article pdf available october 2011 with 2,636 reads how we measure reads. The book allows to get deeper knowledge of automatic control theory, to understand processes of the system using modern and attractive software. Matlab control systems engineering programming book. Control system labmanual eic 551 dronacharya group of.
624 611 1312 1323 426 126 125 1473 443 707 757 1397 249 374 142 262 309 824 256 1573 1073 1522 153 750 840 1009 646 950 1210 405 983 518 397 516 213