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All Journal Indonesian Journal of Electrical Engineering and Computer Science
Shirley Quispe-Guía
Universidad Privada del Norte

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Automation of the stone materials dosing process, controlled by variable frequency drives Guillermo Morales-Romero; Nicéforo Trinidad-Loli; Adrián Quispe-Andía; Beatriz Caycho-Salas; Shirley Quispe-Guía; Carlos Palacios-Huaraca; Omar Chamorro-Atalaya
Indonesian Journal of Electrical Engineering and Computer Science Vol 24, No 2: November 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v24.i2.pp794-802

Abstract

The objective of this article is to determine to what extent the automation of the stone materials dosing process, controlled by sequential drive of frequency variators, contributes to improving the productivity of a company dedicated to the production of asphalt in Peru for which, initially, the characteristics of the procedure that will lead to achieving the automation will be described. The results will then be displayed with respect to the indicators used to compare productivity before and after automation. The automation will be done by means of the logo 230RE controller, which will be connected to three frequency inverters, the programming development will be through the logo soft comford V8 software, for the sequential actuation, timers with connection delay will be used. Applying the automation, it is possible to improve the annual efficiency by an average of 58.30%, this is reflected in the monthly decrease in production time by 13.92%, in turn increasing the amount of stone material produced by an average of 43.77%. Likewise, it is possible to significantly reduce the production loss capacity by an annual average of 93.99%.
Asynchronous learning: evaluation of virtual classroom metrics according to the perception of university students Guillermo Morales-Romero; Adrián Quispe-Andía; César León-Velarde; Irma Aybar-Bellido; Elizabeth Auqui-Ramos; Shirley Quispe-Guía; Carlos Palacios-Huaraca
Indonesian Journal of Electrical Engineering and Computer Science Vol 28, No 2: November 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v28.i2.pp1058-1066

Abstract

The process and means that the university offers its students must be efficient and of quality, even more so considering the influence of the quality of educational services on student satisfaction. The objective of this article is to analyze the perception of asynchronous learning according to the evaluation of the virtual classroom metrics, carried out by business administration students, the results will allow to continue improving the teaching-learning process in the virtual context of education higher. The methodology of this study is qualitative at the descriptive level, the validation of the data by Cronbach's Alpha, gave a reliability value of 0.985. The results show us that 73.8% of the students perceive that the virtual classroom improved communication and helped the exchange of information between students and 71.4% indicated that the use of the virtual classroom made them more efficient and secure asynchronous learning activities. According to these results, there is a higher percentage of students who consider that the use of the virtual classroom positively influences their asynchronous learning, therefore, it is proposed to continue improving the skills in the use and appropriation of Technologies of information and communication technology (ICT) in virtual students.
Co-Authors Adrián Quispe-Andía Beatriz Caycho-Salas Carlos Palacios-Huaraca Carlos Palacios-Huaraca César León-Velarde Elizabeth Auqui-Ramos Guillermo Morales-Romero Irma Aybar-Bellido Nicéforo Trinidad-Loli Omar Chamorro-Atalaya