Udot V.J., Burchenkov G.K., Zatoka S.А.

National Technical University of Ukraine

"Kiev Polytechnic Institute", Ukraine

Automation control of the implementation of laboratory work on the course “Methods and devices of measurement”

In our time it has become necessary to reform the system of education. This reformation requires providing opportunities for citizens to get education throughout a life, constantly improving their level of qualification.

The effectively solution to these problems are promoted by the distance learning (DL), which is based on modern pedagogical, information and telecommunication technologies.

The main advantage of DL is an opportunity to study the residents of regions where there is no access to increasing the level of qualification or providing the qualitative high education, where there is no university of needed specialization or teachers with required level of qualification.

Distance learning enables creating the systems of mass continuous self-learning, which provides equal opportunities to all people, independently from social status and place of residence, in the realization of the right in education and receiving information. Exactly this system can be most adequately and flexibly responded to changing situation in the educational sphere.

The recent issue of distance education is given much attention in the pedagogical literature. Legal and regulatory framework is being developed for controlling the implementation of DL to the learning process. This shows the relevance of the topic.

These main purposes and functions of DL determined as:

- Individualization and differentiation of learning process;

- Professional development of teachers in certain specialties;

- Providing opportunities for the students, who have not opportunity to go to the institute, for some reasons in certain time to get education with the basic course in the form of DL;

- Implementation of control with error analysis;

- Implementation of self-control and self-correction educational activities;

- Visualization of the educational material;

- Modeling and simulation of the studied processes or phenomena;

- Execution of the laboratory work in a computer simulation of actual experience or experiment;

- Development of a certain kind of thinking;

- Increasing the motivation of learning by inclusion in the course the game situations;

Based on the above factors, we can determine distance learning as the most effective system of training and continuing to maintain a high qualification level of specialists in 21 century.

Comparing these articles, we can conclude that distance education is a new, specific form of learning, which involves modern means, methods, organizational forms of education, interactive form of teamwork of teachers and students, students with each other.

It implies that the main in the organization of distance learning is the creation of e-learning courses, development of teaching basis material for distance learning, training of teacher-coordinators.

There are certain difficulties in a practical work of measuring magnetic values. This laboratory work allows higher complexity of implementation and processing of measurement results. Therefore, substantial assistance is provided by virtual labs that will improve the quality of education without significant cost for purchasing the necessary equipment. A need in monitoring and processing labs follows.

This control can be divided into 2 stages:

1) The accuracy of the implementation of laboratory work.

2) The accuracy of processing of measurement results.

The program, created in an environment of Visual Basic, is proposed for the control. Figure 1 (Addition 1) shows the algorithm of a parameter control. If it is necessary, there is a possibility to increase the number of controlling parameters. We can control the parameters of 7-9 without a significant complication of the scheme.

Scheme is conditionally divided into 3 blocks:

I. Block, which describes the entry number of variant and the calculated parameters.

II. Block, which lets you control whether the number entered. If the number is entered, then the cycle is repeated as many times as you need to enter parameters.

III. The entered number is compared with the correct answer. The cycle is repeated as many times as the parameters are tested in the program.

Here is a piece of program that shows the implementation of the comparison of entered numbers with the correct answers. A random component of error is imitated in virtual instruments of labs. That’s why we must take into account the tolerance, which can be determined by results of measurements and accuracy class of instrument if we control the correctness of the calculation. The control is carried out for each of the 25 options. The main page of the controlling program is shown in Figure 2 and 3 (Addition 1).

Допуск = 0.05

n = 0 'If the student’s answer is correct, then n is incremented by 1

'The value option is reduced by 1, because numbering arrays starts from zero

Вариант = Вариант - 1

'Entering the correct numbers

ПервоеПравильноеЧисло = Array();ВтороеПравильноеЧисло = Array()

ТретьеПравильноеЧисло = Array();ЧетвертоеПравильноеЧисло = Array()

ПятоеПравильноеЧисло = Array();ШестоеПравильноеЧисло = Array()

'Is compared with the values Студент and the correct numbers

'******************************************************************

If Abs(ПервоеПравильноеЧисло(Вариант) / Студент(1) - 1) > Допуск Then

Data1.Text = "-"; Data1.BackColor = &HC00FF

Else

Data1.Text = "+"; Data1.BackColor = &HFF00&

n = n + 1

End If

'******************************************************************

Abs(ВтороеПравильноеЧисло(Вариант) / Студент(2) - 1) > Допуск Then

Data2.Text = "-"; Data2.BackColor = &HC00FF

Else

Data2.Text = "+"; Data2.BackColor = &HFF00&

n = n + 1

End If

'******************************************************************

If n = 2 Then

Picture1.Visible = True

MsgBox "Задание зачтено", vbExclamation

Else

'Image2.Visible = True

End If

End Sub

Conclusion

In this article we discussed the prospects of distance learning as a way of professional development. We also determined the importance of the development of training programs DL.

The automation of control of laboratory work was demonstrated in this work. There were fragments of the program, made in a Visual Basic.

Literature

1. Dr.Liew Voon Kiong. Visual Basic 6 made easy. ISBN: 1419628953

2. Mike Gunderloy.Visual Basic developer’s guide to ADO – San Francisco:Sybex.
Addition 1

І

Fig.1 Block diagram of the program

Fig.2 Page “Input a variant”

Fig.3 Page “Input parameters”