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Sinkron : Jurnal dan Penelitian Teknik Informatika
Published by Politeknik Ganesha Medan
ISSN : 2541044X     EISSN : 25412019     DOI : 10.33395/sinkron.v8i3.12656
Core Subject : Science,
Computer Science & IT
Scope of SinkrOns Scientific Discussion 1. Machine Learning 2. Cryptography 3. Steganography 4. Digital Image Processing 5. Networking 6. Security 7. Algorithm and Programming 8. Computer Vision 9. Troubleshooting 10. Internet and E-Commerce 11. Artificial Intelligence 12. Data Mining 13. Artificial Neural Network 14. Fuzzy Logic 15. Robotic
Arjuna Subject : Ilmu Komputer (semua kategori) - Visi Komputer dan Pengenalan Pola
Articles 1,196 Documents
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Learning Fuzzy Neural Networks by Using Improved Conjugate Gradient Techniques Khudhur, Hisham M.; Abbo, Khalil K.
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 3 (2022): Article Research Volume 6 Number 3, July 2022
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i3.11442

Abstract

One of the optimal approaches for learning a Takagi Sugeno-based fuzzy neural network model is the conjugate gradient method proposed in this research. For the PRP and the LS approaches, a novel algorithm based on the Liu-Storey (LS) approach is created to overcome the slow convergence. The developed method becomes descent and convergence by assuming some hypothesis. The numerical results show that the developed method for classifying data is more efficient than the other methods, as shown in Table (2), where the new method outperforms the others in terms of average training time, average training accuracy, average test accuracy, average training MSE, and average test MSE.
Analisis Regresi Linier Berganda Pada Faktor yang Berpengaruh Terhadap Motivasi Kerja Karyawan Theofani, Gracia; Sediyono, Eko
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 3 (2022): Article Research Volume 6 Number 3, July 2022
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i3.11453

Abstract

This study aims to analyze the factors that influence employee motivation at PT XYZ. The analysis was carried out using four variables, namely Facilities, Work Environtment, Salary and Jobdesk. In collecting data, this study used primary and secondary data. Primary data were collected by distributing questionnaires to employees at PT XYZ using the Voluntary Sampling Technique, questionnaires were distributed to employees with a willingness to participate in the research. From the questionnaire obtained 71 data as primary data. Secondary data used results of previous studies and data from PT XYZ which was given to assist the research. Furthermore, data processing is done by using multiple linear regression algorithm. The data is processed and analyzed using the RStudio software. Parameter significance test and classical assumption test performed with RStudio. From this research, it is concluded that the variables that have the most influence on employee motivation at PT XYZ are Facilities and Jobdesk, where these variables have a positive effect on employee motivation at PT XYZ. The results of the analysis show that an increase in facilities will increase work motivation by 20,659% and jobdesk will increase work motivation by 27,901%. This research is expected to be the company's decision in its efforts to increase employee motivation.
Arduino Implementation for Development Digital Capacitance Meters as Laboratory Measurement Devices Denny Hardiyanto; Prabakti Endramawan; Ridho Nur Taufiqul Manan; Dyah Anggun Sartika
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 3 (2022): Article Research Volume 6 Number 3, July 2022
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i3.11456

Abstract

Electronics Practicum in the Laboratory is a routine activity carried out to support student skills. Capacitors are one of the components that are often used in practice. Capacitors are one of the passive electronic components that have a magnitude value in the form of capacitance in Farad units. The capacitance value indicates the capacitor's ability to store electric charge. However, the value contained on the capacitor label is not necessarily the actual value because the capacitor has a tolerance range. Of course, this is very influential in the measurement and performance of electronic circuits that use capacitors. In addition, another factor that supports this research is that the available measuring instruments, such as the multimeter, are not yet equipped with capacitance measurements. Capacitance meters available in the market are still analog. The purpose of this study is to design a device that can measure the capacitance value of capacitors as a measurement device in a digital laboratory, namely the Digital Capacitance Meter. This device is made using Arduino Uno as a microprocessor for data processing. The method used is to apply the process of charging and discharging the capacitor. In this case, Arduino Uno activates a timer to measure the time required to charge and discharge the capacitor so that the Time Constant value is obtained. By using the formula T = 0.693RC, the capacitance value can be obtained. In testing using 3 different capacitors and 10 times testing on each capacitor, the accuracy of the device is 97.76% and a relative error of 2.24%.
Superior Class to Improve Student Achievement Using the K-Means Algorithm Syahputra, Yopi Hendro; Hutagalung, Juniar
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 3 (2022): Article Research Volume 6 Number 3, July 2022
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i3.11458

Abstract

The accumulation of new student data every year makes searching and processing data difficult, including selecting superior class students according to their talents and abilities. Therefore, the application of the K-Means Clustering data mining method is carried out to support decisions in grouping superior classes. The report card values ​​for each class were used as parameters with a data sample of 80 students and 3 clusters were taken which then resulted in the selection and distribution of superior classes. The purpose of the study was to classify students in the superior class so that they could improve student achievement at SMK Raksana 2 Medan. Results Based on the calculation of the variable distance at the initial centroid with a sample of 80 students and the third iteration, the WCV value is 360.9745 and the BCV value is 7.3575 with a ratio value of 0.0203. Each cluster, namely: Cluster 1 has 43 students including the superior class category. Cluster 2 has 18 students and Cluster 3 has 19 students. Clusters 2 and 3 are included in the regular class category with a total of 37 students. The web-based K-Means application can provide information and solutions needed by schools to classify and determine superior classes so that they can improve student achievement in schools. These results can be used by the school to analyze student achievement and can assist teachers in forming superior classes so as to motivate students to study harder.
Application of Hot Fit Model to Analyze Information Technology Ams (Academic Management System) Elmayati, Elmayati; Intan, Bunga; Nurdiansyah, Deni; Milenia, Aprilsa; Kelpin, Yogi
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 3 (2022): Article Research Volume 6 Number 3, July 2022
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i3.11462

Abstract

Bina Insan University has applied a computer-based information system. This system is named AMS (Academic Management System). The application of AMS (Academic Management System) at this time is still experiencing various obstacles and obstacles at the level of user acceptance. This study aims to analyze the results of the evaluation of the success factors for implementing AMS (Academic Management System) using the Hot-Fit Model (Human Organization Technology – Net benefits). This model was chosen because this model can provide an explanation and provide an evaluation of the factors that influence the implementation of a system at the University of Bina Insan Lubuklinggau in terms of Human (Human), Organization (Organization), Technology (Technology), and Net benefits. In addition, the success of implementing AMS (Academic Management System) at the University of Bina Insan Lubklinggau, is also influenced by the support and encouragement from universities to AMS (Academic Management System) users, as well as the availability of adequate facilities within the Bina Insan Lubuklinggau University to use AMS (Academic Management Systems). From the analysis that has been carried out on 80 respondents who have filled out the research questionnaire, the results show that to test the validity of the variables (Human), Organization (Organization), Technology (Technology), and Net benefit, it shows that each question measured on all variables is valid, which indicated by Corrected Item – Total Correlation or (rcount) the entire score of Corrected Item – Total Correlation or (rcount) greater than rtable of 0.220, and for the F test results obtained a value of F = 13.334 with a significance of 0.000. meaning that the variables of human, organization and technology together have a significant effect on net-benefit (Y).
Aplikasi Objek Wisata Kota Medan dengan Menggunakan Mobile Positioning Data Yordan, Vedi; Polfan, Wilsen; Khavitanjali, Khavitanjali; Gari, Paskah Kurniawan; Siregar, Saut Dohot
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 3 (2022): Article Research Volume 6 Number 3, July 2022
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i3.11464

Abstract

Tourism Object is a fundamental component in the tourism industry and one of the reasons visitors travel. The State of Indonesia is one of the various countries whose number of tourist objects is very large and varied. One of these attractions is natural tourism, for example, the sea, beaches, rivers, lakes, and mountains, as well as for the building objects including historical heritage sites, forts, museums and so on. The method used in this study uses qualitative research by applying the method of mobile positioning data to help the manager of tourist attractions promote the location of tourist attractions. The mobile positioning system model can be used to understand and determine the mobile position based on location coordinates. This mobile positioning system uses GPS technology, a tool to get or generate the coordinates of the position of the online map technology that Google provides to show the position that has been stored in the system. The research results from this Tourism Object application can detect the user's location according to the mobile positioning data method. This Android-based Tourist Object application can display a list of tourist objects according to the area occupied by the user. This tourist attraction application can add new tourist objects by admin. It is hoped that in the future this application can be run on the iOS system and can add images to new tourist attractions.
K-NN Based Air Classification as Indicator of the Index of Air Quality in Palembang Sanmorino, Ahmad; Alie, Juhaini; Ariati, Nining; Wulanda, Sanza Vittria
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 3 (2022): Article Research Volume 6 Number 3, July 2022
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i3.11469

Abstract

Good air quality is something that is wanted by every human who lives in big cities. Clean air and no pollution is one of the proper environmental requirements. One of the most severe causes of air pollution is due to large-scale forest fires due to the long dry season or is carried out by irresponsible persons which they commonly refer to as land clearing in an easy and inexpensive way by utilizing the reason of the dry season. The purpose of this study is to classify air quality in Palembang using a data mining approach. Then use the results of the classification as an indicator of the level of air quality in the city of Palembang. The data mining approach that researchers use is the K-Nearest Neighbor algorithm. Based on the test results of K-NN calculations and measured using a confusion matrix produce an accuracy of 80 percent, 82.3 percent for precision, and 93.3 percent for recall. The measurement results show that the calculation using the K-NN algorithm can be used as an indicator in measuring air quality, of the 20 that have been trained and tested only 4 inaccurate data, this inaccuracy occurs because the source data has unbalanced classes such as unhealthy and very unhealthy healthy have 1 sample each. So it proves that the performance of classifiers using the K-NN algorithm relevant as an indicator of air quality levels in the city of Palembang.
Code Mixing and Switching Used in Breakout Music Program of Net TV Lubis, Syahrul Efendi; Hendrawan, Dicky
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 3 (2022): Article Research Volume 6 Number 3, July 2022
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i3.11472

Abstract

Bilingual and multilingual people present language variety called Code – Mixing and Code – Switching. The purpose of this study is to find the kinds of code mixing and code switching that used by the hosts in Breakout a music program in Net TV and to conclude the factor that influence the hosts mix and switch their utterances. This study was done by using description/qualitative method. This study used three of selected episodes, each utterances in each episode changed into the scripts, and the scripts made into the table form. As the result of this study, in generally, the hosts used two kinds of Code Mixing, they are Intra sentential code mixing and extra sentential code mixing, and five kinds of Code Switching on their utterances (Situational, Metaphorical, Tag Code switching, Inter-sentential switching, and Intra-sentential switching). The hosts mix and switch their utterances influenced by the setting and scene, participants, ends, key, norm of interaction as described by Dell Hymes, and also found the other factors, they are background of language, topic and the limited Indonesian vocabularies which can be hazy if it puts in Indonesian.
Information System Audit Using COBIT and ITIL Framework: Literature Review Rusman, Arif; Nadlifatin, Reny; Subriadi, Apol Pribadi
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 3 (2022): Article Research Volume 6 Number 3, July 2022
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i3.11476

Abstract

Improved IT performance drives business growth, enhances competitive advantage, and enables strategic improvements in IT management and governance. This condition is increasingly important because business organizations and systems and technology are increasingly complex. In the application and use of technology, information technology audits require a framework based on principles that drive the desired behavior. In writing this literature review, the information technology audit method used is ITIL, and COBIT as guidelines for corporate information technology governance and audit processes. In its use, the ITIL framework is designed to ensure a flexible, coordinated and integrated system for the effective governance and management of IT services. While the COBIT framework is designed from a number of components that function to adjust, maintain, and shape system governance. To conduct an information system audit, the authors need to pay attention to things that can affect IT performance. This study produces a model to determine the factors that affect the Information System Audit. Researchers conducted a literature review from various sources that discussed Information System Auditing Using the COBIT and ITIL Frameworks which were collected from some of the literature found. Several factors that influence the Information System Audit are Design Factors, Knowledge Worker factors, Operational factors, Risk Assessment Factors, and Gather Evidence Factors. The author also conducted a systematic mapping study to find research gaps, namely the method of mapping the relationship between research topics and how much research has covered each topic and the relationship between topics.
Internet of Things-based Gas Leak Detection with Alerts Via SMS and Blynk App Yusuf, Revy Muhammad; W, Ari Purno Wahyu
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 3 (2022): Article Research Volume 6 Number 3, July 2022
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i3.11477

Abstract

Gas cylinders are one of the needs that humans use every day. The use of gas cylinders is often used for cooking, both for household needs and industrial needs. Gas leaks are a big problem that can give rise to explosions and fires due to combustible gas. Explosions and fires that occur as a result of this gas leak can cause a lot of losses. This study aims to build an Internet of Things-based gas leak detection tool using NodeMCU ESP8266 as a microcontroller that functions as a brain to execute commands that have been made. Blynk App and SMS to provide information to users in case of gas leaks detected by MQ-6 sensors. This tool will detect gas leaks that occur by receiving data from the MQ-6 sensor which is then processed by NodeMCU ESP8266. If a gas leak is detected, the buzzer will sound and the tool will give an alert by popping up a notification on the Blynk application with an internet connection and sending an alert via SMS so that the alert can be sent even in the absence of an internet connection. With this tool, users can find out earlier if there is a gas leak by getting a notification on the Blynk application and receiving a gas leak SMS, to avoid explosions and minimize damage and losses caused by gas leaks.

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