Abstract
This article describes an application for the training of engineering students and industrial refrigeration plants, based on virtual learning environments. The application developed in the Unity 3D engine allows the interaction and immersion user and environment; through the modeling of a cooling system by steam compression, the inclusion of disturbances using Matlab software that allows the manipulation of dependent variables to have a more realistic background in combination with the bilateral communication TCP / IP protocol. The exchange of information in real time between the two programs is essential because feedback between user and environment is needed, the user manipulates the system while updating its parameters according to the thermodynamic variables evaluated by Matlab. The application presents three training modalities, i) Pedagogical scene: conventional refrigeration module, ii) Industrial scene: real refrigeration installation, and iii) Failure mode; in order to relate the environments and integrate the user for that improve competencies and skills through the manipulation, supervision, and operation of processes. The result of this study is a virtual application based on the characteristics of virtual learning environments. Finally, the virtual application is validated with respect to a real one, disturbances influence the performance of the system is analyzed and the interaction with the environment is tested.
Highlights
Industrial refrigeration is a multidisciplinary process that encompasses science and engineering to meet the cooling needs of humanity, since it is globally expanded in many sectorial applications, such as refrigeration in electrical devices, food, among others
The implementation of Virtual Learning Environment (VLE), as a platform that provides interactivity, flexibility, scalability and standardization [7]; you have become a training method that offers an environment where the user experiences an environment equal to reality, which can go through even better situations than a real situation in reference to cost and security, it is that this technology, due to the experiences that it provides is used for military, medical and industrial training [8]
Virtual reality applied to industrial training helps the development of skills to field operators and engineering students in industrial safety issues providing useful and lasting information
Summary
Industrial refrigeration is a multidisciplinary process that encompasses science and engineering to meet the cooling needs of humanity, since it is globally expanded in many sectorial applications, such as refrigeration in electrical devices, food, among others. The manufacture, characterization, and control of refrigeration equipment have evolved, each refrigeration cycle is autonomous, linked to working conditions, temperatures, loads and other relevant aspects such as the refrigerant used or the characteristics of the elements that compose it [2, 3] In this way, the industrial refrigeration field demands methods or learning systems for the staff. In the context of industrial refrigeration, EVA learning environments and modeling strategies, this article proposes the creation of a virtual learning environment in order to create an alternative for training, control and analysis of industrial refrigeration systems in combination with CAD software and mathematical Software in where the operation is observed when varying parameters of the refrigeration system; this allows the student or professional to have a degree of knowledge and ability to select correct techniques in the diagnosis of failures that may occur in the refrigeration team focused on immersion in the virtual environment and on the interaction with the different components of the system. The output stage covers the effects of sounds of the components of the industrial plant to give a real perception to the user, with a visual immersion in the environment and haptic response to the inputs and increase the level of user-environment interaction
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