Pub Date : 2023-12-14DOI: 10.46300/9109.2023.17.11
J. Králik, Jozef Bočkaj, J. Králik Jr.
This paper presents the authors' experience with teaching the finite element method (FEM) at a university using the MathCAD software. With the development of computational tools in the second half of the 20th century, there was also the development of computational methods aimed at algorithmizing engineering tasks based on FEM. This method is very effective for determining the forces and deformations of truss and frame structures under the influence of the external environment. Many processes in the automatic design system take place as if in a "black box", and the process of verifying the achieved results becomes the most important stage in the design activity. Without knowing the theoretical foundations of FEM, physical and mathematical modelling, verification procedures and methods, the structure design cannot be safe and reliable. In this paper, we present one of the possibilities, how a student can familiarize himself with the theoretical foundations of FEM and calculation procedures using the MathCAD software. MathCAD can be used as a vehicle to create, organize, and assemble all the pieces of the engineering calculations. MathCAD is open software for using input data from other programs.
{"title":"Presentation of the FEM analysis methodology using MathCAD software","authors":"J. Králik, Jozef Bočkaj, J. Králik Jr.","doi":"10.46300/9109.2023.17.11","DOIUrl":"https://doi.org/10.46300/9109.2023.17.11","url":null,"abstract":"This paper presents the authors' experience with teaching the finite element method (FEM) at a university using the MathCAD software. With the development of computational tools in the second half of the 20th century, there was also the development of computational methods aimed at algorithmizing engineering tasks based on FEM. This method is very effective for determining the forces and deformations of truss and frame structures under the influence of the external environment. Many processes in the automatic design system take place as if in a \"black box\", and the process of verifying the achieved results becomes the most important stage in the design activity. Without knowing the theoretical foundations of FEM, physical and mathematical modelling, verification procedures and methods, the structure design cannot be safe and reliable. In this paper, we present one of the possibilities, how a student can familiarize himself with the theoretical foundations of FEM and calculation procedures using the MathCAD software. MathCAD can be used as a vehicle to create, organize, and assemble all the pieces of the engineering calculations. MathCAD is open software for using input data from other programs.","PeriodicalId":42201,"journal":{"name":"International Journal of Education and Information Technologies","volume":"2004 12","pages":""},"PeriodicalIF":0.4,"publicationDate":"2023-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139001774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-13DOI: 10.46300/9109.2023.17.10
Abdullah Alenezi
The Madrasati system is an e-learning system offered free by the Saudi Arabian government. The platform was developed to enhance the existing curricula and achieve national-level educational goals and objectives. Despite a high adoption rate, current evidence suggests Madrasati was poorly implemented, owing to suboptimal benefits enjoyed by various stakeholders. The system may impact teaching behaviors, student motivation, learning, teacher training, professional behavior, classroom culture, and environment. Moreover, perceived ease of use, teacher competence, perceived usefulness, user experiences, security issues, and technology availability affect uptake. The study employed a quantitative correlational cross-sectional design and methodology, using surveys, interviews, and observations on a sample (n=100) with 25 teachers and 75 students. Analysis was completed using SPSS, including Pearson’s r, regression, and the Sobel test to assess the mediating effect, where t-values above or below +/- 1.96 (95% CI) were considered significant. The results indicate that Madrasati positively correlates with teaching and learning behavior and student motivation. However, none of the mediating hypotheses were proven. The recommendations focus on strengthening Madrasati infrastructure, training, adopting a holistic approach, and collaborating with all stakeholders.
{"title":"The Impact of Madrasati Platform Materials on Teaching and Learning Behaviors","authors":"Abdullah Alenezi","doi":"10.46300/9109.2023.17.10","DOIUrl":"https://doi.org/10.46300/9109.2023.17.10","url":null,"abstract":"The Madrasati system is an e-learning system offered free by the Saudi Arabian government. The platform was developed to enhance the existing curricula and achieve national-level educational goals and objectives. Despite a high adoption rate, current evidence suggests Madrasati was poorly implemented, owing to suboptimal benefits enjoyed by various stakeholders. The system may impact teaching behaviors, student motivation, learning, teacher training, professional behavior, classroom culture, and environment. Moreover, perceived ease of use, teacher competence, perceived usefulness, user experiences, security issues, and technology availability affect uptake. The study employed a quantitative correlational cross-sectional design and methodology, using surveys, interviews, and observations on a sample (n=100) with 25 teachers and 75 students. Analysis was completed using SPSS, including Pearson’s r, regression, and the Sobel test to assess the mediating effect, where t-values above or below +/- 1.96 (95% CI) were considered significant. The results indicate that Madrasati positively correlates with teaching and learning behavior and student motivation. However, none of the mediating hypotheses were proven. The recommendations focus on strengthening Madrasati infrastructure, training, adopting a holistic approach, and collaborating with all stakeholders.","PeriodicalId":42201,"journal":{"name":"International Journal of Education and Information Technologies","volume":"23 8","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136347179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Oluwatobi Dorcas Adelowo, Tolulope Abiola Allo, Tayo George
This paper examined the various electronic learning platforms adopted by undergraduates in Nigerian Universities which include both private and public universities in Nigeria and its related challenges during the COVID-19 lockdown in 2020. The coronavirus’ enormous consequences, which affected all countries and industries, influenced around 91% of the world's students. The objective of this study is to investigate the experiences of private and public university undergraduates in a Nigerian University, to determine whether there is a significant disparity in the accessibility, affordability, and ease of use of the various e-learning platforms that were adopted during the global pandemic lockdown. The study employed the survey method in eliciting useful information from undergraduates in Covenant University, and in the University of Lagos. The population of the study consisted of 374 undergraduates from both schools. Due to the inaccessibility of students whose lecturers were on industrial action by the Academic Staff Union of Universities, the questionnaire was physically distributed to students at Covenant University, while a Google form was generated for students at the University of Lagos. Data was analyzed using descriptive techniques in frequencies, percentages, and linear regression analysis. Results from the study revealed that 68.1% of students at Covenant University utilized more e-learning platforms like Moodle, Coursera, Zoom, and WebEx unlike their counterparts at the University of Lagos who used only Moodle and Zoom with 43.6%. Also, 87.5% of Covenant University undergraduates made use of their laptops mostly for their e-learning classes while 56.4% of their counterparts in the University of Lagos mostly made use of their smartphones. Findings revealed that students from public Universities faced major challenges such as unstable internet, limited financial capability in buying devices such as laptops, and lack of skill and competence in navigating the e-learning platforms while students in the private universities on the contrary had relatively stable internet connectivity, could afford laptops and smart devices and had the requisite skills to properly navigate their e-learning platforms. The study concludes by recommending the provision of substantial financing that will aid in the acquisition of relevant technology to promote and support e-learning in public universities in Nigeria. It also suggested the inclusion of public University students with adequate training on how to navigate the e-learning platforms, thereby equipping them with the requisite skills needed to maximize the benefits of e-learning. The study emphasizes how the use of e-learning can be an effective sustainable learning solution for current and future situations by the main actors, educators, and learners. In the long run, the Nigerian educational system would be better prepared to face future emergencies that may warrant the adoption of remote learning.
{"title":"Electro-Learning amidst Covid-19 Lockdown and Related Challenges of Undergraduates in Nigerian Universities","authors":"Oluwatobi Dorcas Adelowo, Tolulope Abiola Allo, Tayo George","doi":"10.46300/9109.2023.17.9","DOIUrl":"https://doi.org/10.46300/9109.2023.17.9","url":null,"abstract":"This paper examined the various electronic learning platforms adopted by undergraduates in Nigerian Universities which include both private and public universities in Nigeria and its related challenges during the COVID-19 lockdown in 2020. The coronavirus’ enormous consequences, which affected all countries and industries, influenced around 91% of the world's students. The objective of this study is to investigate the experiences of private and public university undergraduates in a Nigerian University, to determine whether there is a significant disparity in the accessibility, affordability, and ease of use of the various e-learning platforms that were adopted during the global pandemic lockdown. The study employed the survey method in eliciting useful information from undergraduates in Covenant University, and in the University of Lagos. The population of the study consisted of 374 undergraduates from both schools. Due to the inaccessibility of students whose lecturers were on industrial action by the Academic Staff Union of Universities, the questionnaire was physically distributed to students at Covenant University, while a Google form was generated for students at the University of Lagos. Data was analyzed using descriptive techniques in frequencies, percentages, and linear regression analysis. Results from the study revealed that 68.1% of students at Covenant University utilized more e-learning platforms like Moodle, Coursera, Zoom, and WebEx unlike their counterparts at the University of Lagos who used only Moodle and Zoom with 43.6%. Also, 87.5% of Covenant University undergraduates made use of their laptops mostly for their e-learning classes while 56.4% of their counterparts in the University of Lagos mostly made use of their smartphones. Findings revealed that students from public Universities faced major challenges such as unstable internet, limited financial capability in buying devices such as laptops, and lack of skill and competence in navigating the e-learning platforms while students in the private universities on the contrary had relatively stable internet connectivity, could afford laptops and smart devices and had the requisite skills to properly navigate their e-learning platforms. The study concludes by recommending the provision of substantial financing that will aid in the acquisition of relevant technology to promote and support e-learning in public universities in Nigeria. It also suggested the inclusion of public University students with adequate training on how to navigate the e-learning platforms, thereby equipping them with the requisite skills needed to maximize the benefits of e-learning. The study emphasizes how the use of e-learning can be an effective sustainable learning solution for current and future situations by the main actors, educators, and learners. In the long run, the Nigerian educational system would be better prepared to face future emergencies that may warrant the adoption of remote learning.","PeriodicalId":42201,"journal":{"name":"International Journal of Education and Information Technologies","volume":"44 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136102966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
With the steady advancement, innovation, and entrepreneurship education (IEE) in higher education institutions has gradually become a powerful measure and a vital approach for cultivating talents. Therefore, establishing a complete and feasible evaluation system for IEE is vital for the enhancement of education level and quality. On the basis of the principles for the evaluating system, the study selected the evaluation indicators for IEE. Then, the adaptive flower pollination algorithm was used to evolve the BP’s initial weight and threshold applied to the evaluation of the IEE of college students. The improved BP network had a faster speed in the first to fifth iteration, and the mean square error converged between 10-7 and 10-6. In the comparison of fitness values, the method converged only in the 16th generation, and the fitness value was stable at about 1.95. In practical application, the error rate of this method was about 13%, and it had a high accuracy rate. Its high accuracy indicated that this method could effectively evaluate the IEE in higher education institutions, and provided certain technical support for the cultivation of innovative talents.
{"title":"Evaluation of Innovation and Entrepreneurship Education for College Students Based on BP Neural Network","authors":"Song Wang","doi":"10.46300/9109.2023.17.8","DOIUrl":"https://doi.org/10.46300/9109.2023.17.8","url":null,"abstract":"With the steady advancement, innovation, and entrepreneurship education (IEE) in higher education institutions has gradually become a powerful measure and a vital approach for cultivating talents. Therefore, establishing a complete and feasible evaluation system for IEE is vital for the enhancement of education level and quality. On the basis of the principles for the evaluating system, the study selected the evaluation indicators for IEE. Then, the adaptive flower pollination algorithm was used to evolve the BP’s initial weight and threshold applied to the evaluation of the IEE of college students. The improved BP network had a faster speed in the first to fifth iteration, and the mean square error converged between 10-7 and 10-6. In the comparison of fitness values, the method converged only in the 16th generation, and the fitness value was stable at about 1.95. In practical application, the error rate of this method was about 13%, and it had a high accuracy rate. Its high accuracy indicated that this method could effectively evaluate the IEE in higher education institutions, and provided certain technical support for the cultivation of innovative talents.","PeriodicalId":42201,"journal":{"name":"International Journal of Education and Information Technologies","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135200023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The current study aimed to reveal the effectiveness of a leadership development program designed to motivate Saudi women to establish small projects, using the observation card and applying it to a sample of them engaged in such projects. Average scores of women working in new small and medium enterprises in the Kingdom in the two applications before and after the performance observation card are related to leadership skills. There is a statistically significant correlation at the level of significance (p≤0.05) between the scores of Saudi women. As a whole, this study recommended an increase in training programs for women to promote small projects; thus, the goals of empowering women as stipulated in the Kingdom’s 2030 Vision are realized.
{"title":"The Effectiveness of a Leadership Development Program in Motivating Saudi Women to Set Up Small Projects","authors":"Thahab Naif Alshammari, N. Almutairi","doi":"10.46300/9109.2023.17.7","DOIUrl":"https://doi.org/10.46300/9109.2023.17.7","url":null,"abstract":"The current study aimed to reveal the effectiveness of a leadership development program designed to motivate Saudi women to establish small projects, using the observation card and applying it to a sample of them engaged in such projects. Average scores of women working in new small and medium enterprises in the Kingdom in the two applications before and after the performance observation card are related to leadership skills. There is a statistically significant correlation at the level of significance (p≤0.05) between the scores of Saudi women. As a whole, this study recommended an increase in training programs for women to promote small projects; thus, the goals of empowering women as stipulated in the Kingdom’s 2030 Vision are realized.","PeriodicalId":42201,"journal":{"name":"International Journal of Education and Information Technologies","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2023-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42178546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Today, with the development of intelligent media, the foreign communication and teaching activities of the Chinese central plains culture should actively seek experiences that can be learned from, establish a multi-channel foreign communication mode, and then promote the Chinese central plains culture to go out of the country and into the world better. The study improves the collaborative filtering recommendation algorithm and the joint matrix decomposition algorithm based on the theory of migration learning, aiming to improve the learning to optimize the resource recommendation system by calculating the user similarity and establishing the user preference-resource feature matrix. The experimental results show that the average absolute error and root mean square error of the improved algorithms are lower than those of other algorithms, proving that the optimized algorithms improve the accuracy and efficiency of resource recommendation in the foreign communication and teaching activities of the Chinese central plains culture while operating stably and with wide applicability on the recommendation system.
{"title":"A Study on the Recommendation Method of Intelligent Media Learning Resources in the Foreign Communication and Teaching of International Communication of Chinese Central Plains Culture","authors":"Chengyun Li","doi":"10.46300/9109.2023.17.6","DOIUrl":"https://doi.org/10.46300/9109.2023.17.6","url":null,"abstract":"Today, with the development of intelligent media, the foreign communication and teaching activities of the Chinese central plains culture should actively seek experiences that can be learned from, establish a multi-channel foreign communication mode, and then promote the Chinese central plains culture to go out of the country and into the world better. The study improves the collaborative filtering recommendation algorithm and the joint matrix decomposition algorithm based on the theory of migration learning, aiming to improve the learning to optimize the resource recommendation system by calculating the user similarity and establishing the user preference-resource feature matrix. The experimental results show that the average absolute error and root mean square error of the improved algorithms are lower than those of other algorithms, proving that the optimized algorithms improve the accuracy and efficiency of resource recommendation in the foreign communication and teaching activities of the Chinese central plains culture while operating stably and with wide applicability on the recommendation system.","PeriodicalId":42201,"journal":{"name":"International Journal of Education and Information Technologies","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2023-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46824404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This study aimed to determine the cybersecurity degree of awareness among information specialists in Saudi university libraries, their required competencies, the vital training needs, and statistically significant differences in cybersecurity awareness among information specialists according to gender, years of experience, and the number of training courses. The researcher used the descriptive analytical method on a sample of male and female university librarians in Saudi libraries. The sample consisted of 200 information specialists from Saudi universities. The questionnaire included six axes: awareness of cybersecurity among information specialists, cybersecurity systems and methods for information professionals in Saudi university libraries, the necessary cybersecurity competencies for information specialists in Saudi universities, the requirements for achieving cybersecurity, and the training needs for information specialists to achieve cybersecurity. A high degree of relative cybersecurity awareness among information specialists at Saudi universities’ libraries was found. Statistically, there were significant differences in gender, years of experience, and training courses.
{"title":"Training Needs of Information Specialists at Saudi Universities Libraries to Achieve Cybersecurity Requirements","authors":"Alia M. Alhaif","doi":"10.46300/9109.2023.17.5","DOIUrl":"https://doi.org/10.46300/9109.2023.17.5","url":null,"abstract":"This study aimed to determine the cybersecurity degree of awareness among information specialists in Saudi university libraries, their required competencies, the vital training needs, and statistically significant differences in cybersecurity awareness among information specialists according to gender, years of experience, and the number of training courses. The researcher used the descriptive analytical method on a sample of male and female university librarians in Saudi libraries. The sample consisted of 200 information specialists from Saudi universities. The questionnaire included six axes: awareness of cybersecurity among information specialists, cybersecurity systems and methods for information professionals in Saudi university libraries, the necessary cybersecurity competencies for information specialists in Saudi universities, the requirements for achieving cybersecurity, and the training needs for information specialists to achieve cybersecurity. A high degree of relative cybersecurity awareness among information specialists at Saudi universities’ libraries was found. Statistically, there were significant differences in gender, years of experience, and training courses.","PeriodicalId":42201,"journal":{"name":"International Journal of Education and Information Technologies","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2023-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46001485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Education in Albania was modernized and took the example of Western countries, applying Western texts because, during the Communist period, many fields of study were forbidden because they had a Western approach. This study aims to highlight the application of interactive teaching methods and the impact these methods have on increasing interest in the field of study. This was done through the questionnaire developed among 110 students of the Marketing Scientific Master Faculty of Economics at the University of Tirana. Of these, 60 students belong to the academic year 2018-2019 and 50 to the academic year 2019-2020. The analysis of the study is based on correlation, significance analysis, reliability analysis, regression, Anova test, and Mann-Whitney test. The study has resulted that women are the ones who prefer this study cycle the most; the average of the students who follow this study cycle is about segment 7.1-8. Finding yourself in a subject affects the willingness to attend an hour of lecture, and information about interactive teaching methods affects the willingness to attend an hour of class. Between students of two academic years, study hours are the same during the week.
{"title":"The Role and the Impact of Interactive Teaching Methods in Increasing Students' Interest for the Field They Study (Case Study Master of Scientific Marketing Faculty of Economics University of Tirana Year 2018-2019, 2019-2020)","authors":"Rovena Vangjel, Mateus Habili, Arjan Abazi","doi":"10.46300/9109.2023.17.3","DOIUrl":"https://doi.org/10.46300/9109.2023.17.3","url":null,"abstract":"Education in Albania was modernized and took the example of Western countries, applying Western texts because, during the Communist period, many fields of study were forbidden because they had a Western approach. This study aims to highlight the application of interactive teaching methods and the impact these methods have on increasing interest in the field of study. This was done through the questionnaire developed among 110 students of the Marketing Scientific Master Faculty of Economics at the University of Tirana. Of these, 60 students belong to the academic year 2018-2019 and 50 to the academic year 2019-2020. The analysis of the study is based on correlation, significance analysis, reliability analysis, regression, Anova test, and Mann-Whitney test. The study has resulted that women are the ones who prefer this study cycle the most; the average of the students who follow this study cycle is about segment 7.1-8. Finding yourself in a subject affects the willingness to attend an hour of lecture, and information about interactive teaching methods affects the willingness to attend an hour of class. Between students of two academic years, study hours are the same during the week.","PeriodicalId":42201,"journal":{"name":"International Journal of Education and Information Technologies","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45678634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Taking Zhengzhou residents as the research object through the structural equation model test and intermediary utility test, it can be seen that green values significantly affect customers’ green consumption behavior; Green values have a significant active effect on public lifestyle, which plays a regulatory role in green values and green consumption behavior. The relevant conclusions are as follows: Firstly, the public’s green consumption behavior is affected not only by their green values, but also by lifestyle, and the impact effect of lifestyle is higher than that of green values. Secondly, public green values can directly affect their lifestyle, which means that green values play a vital role in the change of public lifestyle. Thirdly, green values not only have a direct impact on the public’s green consumption behavior, but also have an impact on the public’s lifestyle which will indirectly affect their green consumption behavior. On the basis of the mentioned analysis, this paper proposes relevant countermeasures to promote the public’s green consumption behavior.
{"title":"The Effect of Green Values on Green Consumption Behaviour","authors":"Xinping Wang","doi":"10.46300/9109.2023.17.4","DOIUrl":"https://doi.org/10.46300/9109.2023.17.4","url":null,"abstract":"Taking Zhengzhou residents as the research object through the structural equation model test and intermediary utility test, it can be seen that green values significantly affect customers’ green consumption behavior; Green values have a significant active effect on public lifestyle, which plays a regulatory role in green values and green consumption behavior. The relevant conclusions are as follows: Firstly, the public’s green consumption behavior is affected not only by their green values, but also by lifestyle, and the impact effect of lifestyle is higher than that of green values. Secondly, public green values can directly affect their lifestyle, which means that green values play a vital role in the change of public lifestyle. Thirdly, green values not only have a direct impact on the public’s green consumption behavior, but also have an impact on the public’s lifestyle which will indirectly affect their green consumption behavior. On the basis of the mentioned analysis, this paper proposes relevant countermeasures to promote the public’s green consumption behavior.","PeriodicalId":42201,"journal":{"name":"International Journal of Education and Information Technologies","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43292859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Owing to their robust structure, induction motors are preferred to be used under difficult working conditions. Therefore, various faults may occur in the motor due to unexpected forces during the operations. Obtaining the data through experimental methods by physically creating faults in the induction motors, and analyzing their behavior is not efficient in terms of cost and time for educational purposes. Considering the above negative situation, in this paper, mathematical models have been developed in the dq0 stationary reference frame expressing three-phase stator windings short-circuit fault and broken rotor bar fault in induction motors. The proposed models are faster as compared to the other analytical models in terms of computation due to the rotor position independence of the inductance matrix. The faulty induction motor mathematical models have been implemented in the MATLAB/SIMULINK software environment with detailed explanations of each faulty model’s subsystem. As a visual laboratory that can be used as an educational tool for the analysis of a three-phase faulty induction motor, a graphical user interface application has been developed in MATLAB/GUIDE, which allows users to simulate models from a single interface. As a case study, the behaviors of faulty induction motors in transient and steady states have been simulated in different severity scenarios of the faults. The park vector method has been used as a fault diagnosis approach to investigate fault types and the fault severity effects on the park vector pattern in each fault scenario. In addition, to observe the success of the developed Simulink toolboxes, they were used at Marmara University through courses in electrical machinery and evaluated by the graduated students at the end of the semester.
{"title":"Modeling and Simulation of Faulty Induction Motor in DQ Reference Frame Using MATLAB/SIMULINK with MATLAB/GUIDE for Educational Purpose","authors":"Rohullah Rahmatullah, N. F. Serteller, V. Topuz","doi":"10.46300/9109.2023.17.2","DOIUrl":"https://doi.org/10.46300/9109.2023.17.2","url":null,"abstract":"Owing to their robust structure, induction motors are preferred to be used under difficult working conditions. Therefore, various faults may occur in the motor due to unexpected forces during the operations. Obtaining the data through experimental methods by physically creating faults in the induction motors, and analyzing their behavior is not efficient in terms of cost and time for educational purposes. Considering the above negative situation, in this paper, mathematical models have been developed in the dq0 stationary reference frame expressing three-phase stator windings short-circuit fault and broken rotor bar fault in induction motors. The proposed models are faster as compared to the other analytical models in terms of computation due to the rotor position independence of the inductance matrix. The faulty induction motor mathematical models have been implemented in the MATLAB/SIMULINK software environment with detailed explanations of each faulty model’s subsystem. As a visual laboratory that can be used as an educational tool for the analysis of a three-phase faulty induction motor, a graphical user interface application has been developed in MATLAB/GUIDE, which allows users to simulate models from a single interface. As a case study, the behaviors of faulty induction motors in transient and steady states have been simulated in different severity scenarios of the faults. The park vector method has been used as a fault diagnosis approach to investigate fault types and the fault severity effects on the park vector pattern in each fault scenario. In addition, to observe the success of the developed Simulink toolboxes, they were used at Marmara University through courses in electrical machinery and evaluated by the graduated students at the end of the semester.","PeriodicalId":42201,"journal":{"name":"International Journal of Education and Information Technologies","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2023-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45698293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：