We have tried to learn how to use matlab scripts to create mathematical model of a dc motor by open loop and closed loop control systems and we create simulink. The basic function of a controller is to execute an algorithm electronic controller based on the control engineers input tuning constants, the operators desired. Labviewbased automatic control systems laboratory using. To do this they must complete and submit the lab exemption form from the school for approval by the course convener by week.
Goals, graphing, use of the computer, lab reports, safety in the physics laboratory, emergency procedures the laboratory activities and experiments are listed here with the lab topic in italics and the purpose of each lab is stated under the title of the lab. To introduce the matlab software for polynomials, script writing and programming aspect of matlab from control systems view point. It takes a practical approach, presenting clear and complete explanations. Ece 429 control systems lab manual the gmu ece department. Also upload the 3 simulink model files along with the report. Introduction to control systems design control systems laboratory 8 dr. Lab 7 prelab, and you will need the paper on the lab. Ramprasad potluri, this email address is being protected from spambots.
Its important parameters are speed torque characteristics. To provide knowledge on analysis and design of control system along with basics of instrumentation list of experiments. The at89c52 is a low power, high performance cmos 8 bit microcomputer with 8k bytes of flash programmable and erasable read only memory. In control system lab four numbers of codes ec583, ee593, ei593ee and ee691 are performed. Introduction engineering technology and management etm students fill. To study the effect of p, pi, pd and pid controller on the step response of a feedback control system using control engineering trainer.
The student designs a controller for the given system based on a mathematical model that was provided by the control system s. Week 10, 11 design of a position control system week 12, lab exams laboratory exemption students who have taken this course in s2 2015 and passed the lab exam scoring at least 50% may apply for exemption from the labs. Consult your lab instructor for assistance if you have never used the io functions in dtvee. Give the required inputs in the command window of matlab in matrix format. Lag lead compensator is a combination of a lag compensator and lead compensator. The experiments are introduced in a progressively increasing order of complexity and such that the following experiment builds on the knowledge gained during the previous one. Experiment to draw the frequency response of a given leadlag compensating network.
New experiments introducing the honeywell tdc3000 system to the uo lab experiments in 1993 allowed for a complete restructuring of the control lab experiments. Use io menu, to file submenu, and specify a unique file name. The architecture of the wind tunnel control system is a classic digital system that samples the input signal at discrete time intervals and adjusts the output according to an appropriate control. The complete electronic instrumentation system usually contains six sub s ystems or elements the transducer is a device that convert a change in the mechanical or thermal quantity being mea sured into a change of an electrical quantity. Gain compensation is used initially, and then dynamic compensators, such as phase lead or phase lag, are used to satisfy certain performance requirements. Matlab is a computer program that combines computation and visualization power that makes it particularly useful tool for. Power system lab department of electrical engineering. Document control is all to do with transferring information between relevant parties. In addition, it is recommended that the students complete the following pre lab work. Originally, the manual is divided into computer laboratory sessions labs. A labview based online control experiments for students learning. Ask a biologist activity for classroom and home by brittany sanner learn more this is a companion pdf for these online articles.
Table 3 provides a summary of the inputs and outputs of the data acquisition boards to the experimental projects. A comprehensive set of experiments is provided with each system that graphically demonstrates important control system principals. Nvis 3000a control system lab is also compatible with nvis 630 data acquisition system. This availability also provides an opportunity to easily conduct numerical experiments and to tackle realistic and more complicated problems. Experiments will be performed in five sessions in the sequence given in the lab schedule sheet which will be distrto students in class before ibuted labs start. Protecting people and experiments laboratory ventilation is different than most other building types. Nov 16, 2016 since i follow the post from you, all i saw is.
The experiment will be saved with a cdx extension when you click ok and you will return to the controldesk. The objective of this session is to learn how to represent polynomials in matlab, find roots of polynomials, create polynomials when roots are known and obtain partial fractions. Environment arduino ide, the basic topologies of digital control systems and the principles used to design these systems. Ac servo motor setup, digital multimeter and connecting leads. Kim department of chemical engineering michigan technological university. Readers, you dont need to waste your time with this fake educators. Varieties of power system simulation packages like load flow, pscad and mipower are available. The laboratory equipment used in this l ab is an ecp model 220 industrial emulator which is a rotational motion control system designed for teaching purposes by educational control products ecp systems company. Execute time response analysis of a second order control system using matlab. Control systems and simulation laboratory objective 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. Format of lab record to be prepared by the students. Experiment 81 design of a feedback control system 2019030 group 44 elec273 may 9, 2016 abstract this report discussed the establishment of openloop system using fopdt medel which is usually used to approximate highorder system, closedloop system with di erent types of controllers, and systems under disturbance signal.
An edit window which is used to create and modify mfiles. Model 1 the student sees one experimental setup in each experiment e. Relay spst, relay dpdt, debounce switch, led bar, buzzer etc. Process control laboratory experiments using labview nam k.
For example, you can specify all the fixedpoint data type properties of your design to prepare it for implementation with fixedpoint arithmetic. Cyber exploration lab experiments requires adobe acrobat reader. The implementation of a control system in the labview software environment allows unprecedented flexibility in design and testing matey, 1993. Copy and paste all of the files in this folder to another folder, preferably on your usb drive.
They will design and implement controllers to ensure the stability of the system, and produce the desired results. Chapter objectives the chapter has the main objective of introducing and explaining the concepts that characterize system transient and steady state. In these code the following experiments has been conducted. To achieve a flavor for the experiments, the air bath and some individual wet lab experiments are described below. We shall use the same dcmotor for which the parameters were calculated in the. This paper addresses the development and testing of instructional material in the form of takehome hardware kits and software that can be used to perform control system experiments at home. Introducing the honeywell tdc3000 system to the uo lab experiments in 1993 allowed for a complete restructuring of the control lab experiments. The control system design process is illustrated in figure 1.
Each station group must use the same station for the entire sessions. Process control laboratory experiments using labview. Conduct investigation with control variables, make predictions about changing variables, and make. A lowcost control system experiment for engineering. Simulating control systems with simulink and matlab ee128. In this experiment the objective is to balance an inverted pendulum using a servo motor. Control system design of dc motor position control using lag controller. The lab has 8 numbered stations with a maximum of 2 students per station. In particular, we will consider pidcontrol of a simple process consisting of two water tanks. Noting how changing pid controller parameter effect on system response. Laboratory procedures manual centers for disease control. More details to come, but the main points are as follows. Ac servomotor has best use for low power control applications. Pdf this paper presents a prototype laboratory experiment to be integrated in the education of.
Where competing products include only one or two controllers with each system, ecp provides a broad range of fully documented experiments and supplemental exercises. Experimental projects for the process control laboratory. The quanser dcservomotor in the control systems laboratory has the following model with. Able to show the di culties of controlling a system with a noncollocated actuator and sensor will see this in the root locus lab. Control systems engineering, 7th edition has become the top selling text for this course. Labview uses dataflow programming but in textbased programming languages, instructions determine the program execution you can build a user interface using labview and the user interface is. Control systems lab manual grietelectrical and electronics. Nov 10, 2014 no remark 1 021220 introduction to lab view. Facilities are available for overcurrent, undervoltege, directional, differential and distance relays including different numerical relays. Pdf lab report process control flow measurement and. Thus, in any given week, the tas expended more effort than if they were all preparing for the same experiment. Hardware interface lab experiments requires adobe acrobat reader. The control design in simulation is followed by control design experiments with several lab setups, for which students have to tune p, iand dcontroller tuning knobs. Experiment 01 files, dinamic and control systems labs.
The zip file contains labview vis and other files which will be used in some of the experiments during the course. Introductory experiments on response of control system components. A tutorial introduction to control systems development and. The system response to a unit step input for a first order control system can be represented in figure 23. To study ac servo motor and plot its torque speed characteristics. Control system design of dc motor position control using leadlag.
A matlabbased control systems laboratory experience for. The control systems laboratory consists of four separate units. As a rule, experiments are carried out with modular experiment boards or multimedia training courses. The purpose of this experiment is to design and implement a closeloop speed control of a dcmotor drive.
The duration of simulation is determined automatically based on the system poles and zeroes. This % file belongs to the lab manual for ee380 control lab. In addition to using theoretical systems and simulations, students will also be required to work on a torsional plant system, ball and beam controller and an inverted pendulum setup. Then change the matlab working directory to your new directory where all the files were pasted. This model can be continuous or discrete, and siso or mimo. For renovation projects, where an office, classroom, or other space is being transformed into a lab space, design often involves a significant change to the ventilation system. Process control experimental lab home engineering mechanical engineering process control experimental lab we supply this lab with many units of process control training system form a complete program designed to familiarize students with the fundamentals of instrumentation and process control. Supply various values to k, a, b in the file sysid. Although nontrivial, the system can be modeled as coupled second order systems 3. The lab also has control moment gyroscope devices which are used in more advanced control courses. The goal of control engineering design is to obtain the configuration, specifications, and identification of the key parameters of a proposed system to meet an actual need.
The program in % dspic30f4012 sends this information as tab seperated ascii % values. Zaer abohammour after the control system has been designed and tested, you refine it for implementation. Closedloop control systems introduction the main purpose of experiment introduce to openloop and closedloop control system. 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 components of the system are shown schematically in figure 2. The analog solution of the first order system can be obtained from the opamp active filter, figure 22 fig. Control systems lab indian institute of technology kanpur.
We may have two models for the control experiments. It demonstrates the control of pressure, flow, level, temperature, and ph processes. Experiment 5 dc motor speed control walter scott, jr. Modeling of systems machines, sensors and transducers 4. Save the data recorded on ad channels 0 and 1 as text files for further processing to find the system parameters. Experiment one introduction to control systems design. Feedback control systems fall, 2005 1 simulink basics simulink is a graphical tool that allows us to simulate feedback control systems. Using matlab for control systems cise 302 lab manual page 15. You collected all other truly educators files and make your files and hidden one file and try to sell it to poor students in here.
Power system laboratory comprises of protection, simulation, high voltage and machine related experiments. The main purpose of experiment introduce to openloop and closedloop control system. Pdf design of an embedded control system laboratory experiment. Before the lab begins, students are required to read and understand the control system lab oratory manual for the hardware and software description. This directory will need to be used as the working directory for all experiments in ecte344 so take note of where it is located. Pid control 1 introduction the main objective of this laboratory is to get a basic understanding for how feedback control can be used to modify the behavior of a dynamic system. Introduction and general description the modular servo system mss consists of the inteco digital servomechanism and openarchitecture software environment for realtime control experiments. Simulating control systems with simulink and matlab.
The step response of multiinput systems is the collection of step responses for each input channel. The main concept of the mss is to create a rapid and direct path from the control system design to hardware implementation. Dixon et al a matlabbased 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. Unlike a general purpose computer, which also includes all of these components, a microcontroller is designed for a very specific task to control a particular system. Lab report process control flow measurement and control system. Therefore, each ta and tutor needed to know all the 6 experiments every week, thus putting pressure on them. Enter the transfer function and the command to plot the root locus.