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1EFFECTIVENESS OF USING A PROGRAMMABLE LOGIC CONTROLLER IN THE DEVELOPMENT OF SIMULATORS IN EDUCATION Rakhmonov I.U.1, Jalilova D.A.2, Makhmutkhonov S.K.3, Saburov S.S.4
1Rakhmonov Ikromjon Usmonovich - Doctor of Technical Sciences, Head of the Department; 2Zhalilova Dinora Anvarovna - doctoral student;
Makhmutkhonov Sultonkhodzha Kamolkhodzha ugli - assistant,
DEPARTMENT OF ELECTRICAL SUPPLY, TASHKENT STATE TECHNICAL UNIVERSITY, TASHKENT; 4Saburov Salamat Sarsenbayevich - assistant, KARAKALPAKSTATE UNIVERSITY; NUKUS, REPUBLIC OF UZBEKISTAN
Abstract: simulators are widely used in education as a way to provide hands-on training and experience in a safe and controlled environment. One type of simulator that has been gaining popularity in recent years is the Programmed Logic Controller (PLC) simulator. PLCs are widely used in industrial automation and manufacturing, and simulators based on PLCs provide a cost-effective and efficient way to train operators and engineers in these fields. The aim of this thesis is to investigate the effectiveness of using PLCs in the development of simulators in education.
Keywords: simulator, education, laboratory training, practical training.
UDC 623.592
Also, simulators are widely used in education as a way to provide hands-on training and experience in a safe and controlled environment. Today there are many types of simulators. One type of simulator that has been gaining popularity in recent years is the Programmed Logic Controller (PLC) simulator. PLC simulation is a method of designing and verifying algorithms. Engineers use PLC simulation software to design control systems and control logic and evaluate system behavior through a model of the plant [1,3].
PLCs are widely used in industrial automation and manufacturing, and simulators based on PLCs provide a cost-effective and efficient way to train operators and engineers in these fields. The aim of this paper is to investigate the effectiveness of using PLCs in the development of simulators in education.
This thesis presents a literature review of existing research on the use of PLC-based simulators in education. A comprehensive search of academic databases such as JSTOR, ProQuest, and Google Scholar was conducted using key terms such as "PLC," "simulator," "education," and "training." The selection criteria for the studies included in the review were that they had to be peer-reviewed, published in English, and focused on the use of PLC-based simulators in education [2, 4, 7].
The literature review revealed that PLC-based simulators are highly effective in providing hands-on training and experience in industrial automation and manufacturing. These simulators provide students with the opportunity to work with real-world equipment and systems in a safe and controlled environment, allowing them to develop the skills and knowledge needed to work in these fields.
Fig. 1. Results of using PLC simulators in education
PLC-based simulators are also cost-effective, as they do not require the use of expensive equipment and can be easily integrated into existing curriculum. Additionally, PLC-based simulators provide students with the opportunity to practice troubleshooting and problem-solving skills, which are essential for working in industrial automation and manufacturing. There are also economic benefits to using these labs. On average, it is 5 times cheaper than traditional laboratories [5,6, 8].
In everyday situations action is coupled with changes in sensory input in the form of the perception/action loop (Figure 2). Our brains are adapted to exploit this coupling by setting up predictions as to what will happen given a particular input and what responses are appropriate [6].
Fig. 2. The Perception-Action loop.
This case shows that performing dangerous experiments takes place in the virtual world. But they are experimenting will be like in real life. That's why skills are formed in the same way as in real-life practice. Even if the student makes a gross mistake in experimenting, he will not be injured and will not suffer economic damage [7,8].
Effectiveness of using a programmable logic controller is divided 3 stages (Figure 3) [2, 7, 6]:
1. Input - skills that the student will acquire
a. work with real-world equipment - these types of labs are similar to working on a real device. The principles of operation of the device, the elements in it look and operate like a real device.
b. safe and controlled environment - It is known that traditional laboratories used in technical sciences are designed for high voltages, and the probability of injury during the laboratory performance is high. By using PLC simulators, there is no risk of encountering such problems.
2. Reload - skills to be developed in the student
a. Troubleshooting - because the experiments are carried out in real environments, the student develops the skills to get out of sudden situations.
b. Problem-solving skills - the ability to provide solutions to various issues that may arise is formed.
3. Result skills - resulting skills formed in the student
a. Develop the skills - thanks to the safety of this situation, the student will have the opportunity to learn about other experiences and the reasons that arise from them.
b. Knowledge needed to work - the skills of working with real devices are well formed due to the fact that the laboratories are conducted in a real environment. In traditional laboratories, many devices are conventionally shown, and the student cannot understand what a real device is like.
Reload
Effectiveness of using a programmable logic controller
I Result skills
Fig. 3. The Perception-Action loop.
There are also economic benefits to using these labs. On average, it is 5 times cheaper than traditional laboratories. For example, if we compare the costs of the "Automatic backup source reconnection" laboratory stand in the field of "Power Supply" with the costs of setting up this laboratory as a PLC-based laboratory, today these laboratories are designed for 4 people. average is 100 million UZS. And the PLC-based laboratories of this laboratory are 20 million for 4 people. It looks like a virtual laboratory with parameters [8].
This literature review has shown that PLC-based simulators are highly effective in providing hands-on training and experience in industrial automation and manufacturing in education. Effectiveness of using a programmable logic controller is divided 3 stages. They are input, reload, result skills. These skills serve as a good practice for students to form excellent knowledge for real working conditions, to develop high skills in developing new ideas.
References
1. Rakhmonov I. U., Kurbonov N.N. Educational simulations are factors of strengthening theoretical knowledge in quality // «Иктисодиётни ракамлаштириш шароитларида энеретиканинг долзарб муаммолари» мавзусидаги Халкаро илмий-амалий конференцияси. Бухоро шадри 24-26 ноябрь 2022 йил. 34-38 б.
2. [Electronic Resource]. URL: https://www.mathworks.com/discovery/plc-simulation.html\ (date of access: 09.01.2023).
3. Christou, Chris. (2010). Virtual Reality in Education. 10.4018/978-1-60566-940-3.ch012.
4. Rakhmonov I.U., Kurbonov N.N., Bijanov A.K. Types of simulators and their efficient architectures //Вестник науки и образования ISSN 2312-8089. № 9 (129). 2022 pp. 13-19.
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7. Рахмонов И.У., Ниёзов Н.Н., Махмутхонов С.К. Эффективная архитектура симулятора для беспроводных устройств industry 4.0 // «European science» ISSN 2541-786Х, № 2 (64), 2022. 9-12 с.
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