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Applied Technology and Computing Science Journal
Published by Universitas Nahdlatul Ulama Surabaya
ISSN : 26214458     EISSN : 26214474     DOI : https://doi.org/10.33086/atcsj
Core Subject : Social, Engineering,
Engineering Social Sciences
Applied Technology and Computing Science Journal ( ISSN 2621-4458, E-ISSN 2621-4474) is a journal on all aspect of applied technology natural science that published online by Faculty of Engineering – University of Nahdlatul Ulama Surabaya. This journal published periodically twice in a year (on June and December) to accommodate the researcher from all over the world who want to publish the results of their research and contribution with all variety topics related to Engineering, Applied Computer Modelling and Simulation, Information System, Computer Science, Forecasting, Computer Applications, Expert System, E-Government, E-Business, E-Commerce, Information Security, Big Data, Intelligent System, Data Analysis, Data Mining, Smart City.
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Articles 8 Documents
 1 
Search results for , issue "Vol 6 No 2 (2023): December" : 8 Documents clear
Risk Management Analysis of Hospital Management Information System (SIMRS) at ABC Hospital using ISO 31000 Muhammad Aminudidin Yafie; Budhi Setianto; Agus Aan Addriansyah; Susanto, Fajar Annas
TEKNOLOGI DITERAPKAN DAN JURNAL SAINS KOMPUTER Vol 6 No 2 (2023): December
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/atcsj.v6i2.4727

Abstract

A hospital is a health institution that serves as a center for providing care and treatment to individuals who are ill. To ensure optimal service delivery, the regulations of the Indonesian Ministry of Health mandate that every hospital in Indonesia must implement and manage the development of a Hospital Management Information System (SIMRS). ABC Hospital, a private institution, has been utilizing SIMRS since 2002. Risk management at ABC Hospital follows a structured approach encompassing five stages: communication and consultation, context determination, and risk assessment, which includes risk identification, analysis, evaluation, treatment, and monitoring. The results of this risk analysis enable ABC Hospital to prevent and minimize risks while addressing them according to their impact and priority. Based on research findings: (1) Governance management in the SIMRS unit at ABC Hospital aligns with the requirements of ISO 31000:2018; (2) Potential risks identified include the absence of certain features in the SIMRS program and inconsistent application of existing Standard Operating Procedures (SOPs); (3) The hospital's SIMRS faces 27 risks, categorized into 9 low risks, 3 moderate risks, and 15 high risks; (4) To mitigate these risks, it is recommended that procedures be strengthened and the existing application programs be enhanced.
Measurement of User Satisfaction for SIBISA Application at TK ABA 1 Buduran Sidoarjo with The EUCS method Suyatno, Dwi Fatrianto; Ardhini Warih Utami; Rahadian Bisma
TEKNOLOGI DITERAPKAN DAN JURNAL SAINS KOMPUTER Vol 6 No 2 (2023): December
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/atcsj.v6i2.5120

Abstract

The SIBISA (Sistem Informasi Billing Siswa) application is utilized by parents at ABA1 Kindergarten in Buduran. Developed in 2022 by lecturers from the Informatics Engineering department, this application is designed to help schools manage financial records, particularly those related to tuition fees and other incidental expenses. The End User Computing Satisfaction (EUCS) method is one approach used to evaluate user satisfaction with information systems, including the SIBISA application. This method assesses various factors that influence user satisfaction, such as application performance, ease of use, and reliability. Notably, the SIBISA application is integrated with WhatsApp, facilitating easier communication between parents and the school. After nearly a year of use, our group conducted a user satisfaction survey using the EUCS method to gauge the application's effectiveness. The results indicate that overall user satisfaction with the SIBISA application is at the "Quite Satisfied" level, meaning users generally find the application satisfactory. The analysis confirms that all five hypotheses—accuracy, content, ease of use, format, and timeliness—positively influence user satisfaction with the SIBISA application.
Comparative Analysis of Prioritization Model Between AHP (Analytic Hierarchy Process) and ANP (Analytic Network Process) for Project Portfolio Management SI/IT Surabaya City Government Sari, Rita; Ima Kurniastuti; Endang Sulistiyani
TEKNOLOGI DITERAPKAN DAN JURNAL SAINS KOMPUTER Vol 6 No 2 (2023): December
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/atcsj.v6i2.5208

Abstract

The rapid development of technology to meet the growing demands of projects, particularly in public administration organizations like e-government, faces various resource constraints. Selecting among dozens or even hundreds of alternative projects and portfolios, while aligning with organizational priorities, presents a complex multi-criteria decision-making challenge. This study explores the use of previous research and IS/IT portfolio management techniques to examine project prioritization practices and methods within successful city-level applications. The study further develops a prioritization model by comparing the Analytic Hierarchy Process (AHP) and Analytic Network Process (ANP) methods. The priority levels of nodes (elements) and clusters obtained from the AHP and ANP analyses show relatively insignificant differences; however, the normalized values (eigenvectors) derived from the ANP approach more realistically reflect existing realities. The ANP model offers the advantage of building connections between elements and clusters, enabling feedback analysis, and is considered more effective in bridging the gap between the model and real-world decision-making.
How to Find Gap Analysis in Undergraduate User Satisfaction Through a Tracer Study Nerisafitra, Paramitha; Martini Dwi Endah Susanti; Ronggo Alit; Aditya Prapanca
TEKNOLOGI DITERAPKAN DAN JURNAL SAINS KOMPUTER Vol 6 No 2 (2023): December
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/atcsj.v6i2.5374

Abstract

Undergraduate alumni play a crucial role in shaping the educational process at higher education institutions. Therefore, it is essential to continuously assess the satisfaction of graduate users to gauge their level of contentment. This research aims to measure graduate user satisfaction through gap analysis by comparing user expectations with the actual performance of graduates based on the five dimensions of the SERVQUAL model. The study combines the Customer Satisfaction Index (CSI), which calculates satisfaction gaps, with Importance-Performance Analysis (IPA), used to map the five dimensions of service quality and prioritize improvements. The results indicate that the graduate user satisfaction index is 78%, placing it in the "satisfied" category. Satisfaction is particularly high in the dimensions of reliability and empathy. However, several variables show a gap between high user expectations and underperformance, particularly in the areas of assurance and responsiveness.
Classifying Dental Caries Types Using Panoramic Dental Images Using Watershed Method and Multiclass Support Vector Machine Putra, S.Pd., M.T., Rangga Pahlevi Putra; Rahman, Aviv Yuniar
TEKNOLOGI DITERAPKAN DAN JURNAL SAINS KOMPUTER Vol 6 No 2 (2023): December
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/atcsj.v6i2.5910

Abstract

Teeth are one of the calcified and hard structures found in the human mouth. One of the tooth defects that often appears and is experienced by several people in the world is damage caused by dental caries. Diseases that can arise from dental caries include swelling of the gums and fever in the body. To classify and determine the level of damage in dental disease, dentists usually utilise examinations through dental panoramic images. Dental panoramic images are digital images of x-rays that can help provide a lot of information about teeth such as cavities or tooth structure. However, the problem that occurs sometimes to identify or classify the type of caries is still found to be a mismatch of analysis so that technological aids are needed to provide analysis or decision support. Therefore, by applying digital image processing technology by applying methods in image processing, namely Watershed segmentation and the Multiclass Support Vector Machine method, it is possible to classify the type of caries using dental panoramic images. From the results of the research conducted, it can be explained that the results of segmentation of dental panoramic images using the Watershed method can show the detected caries area spots. Meanwhile, the use of the Multiclass SVM method for the classification method shows accuracy results reaching 88%.
Implementation of Soft Starter on Pumps and Agricultural Monitoring Systems with Pest Exercise Technology to Increase Agricultural Efficiency Raafi’u, Brian; Fauzi, Eko Rian; Adhim, Fauzi Imaduddin
TEKNOLOGI DITERAPKAN DAN JURNAL SAINS KOMPUTER Vol 6 No 2 (2023): December
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/atcsj.v6i2.6216

Abstract

The pump starting current can be up to 500% to 800% higher than normal current. Besides raising the electricity bill, a very high current surge at starting can cause damage to other electronic components. This study aims to implement a soft starter that functions to reduce the electrical power required to start the pump up. To measure electrical variables while the pump is working, the PZEM-004t sensor is used as a voltage, current, and energy sensor. The sensor has been validated and has an accuracy of 99.63% for current measures and 99.87% for voltage measures. In addition, to increase the efficiency of agricultural yields, a monitoring system for soil moisture in the fields is also applied with pest control technology. The soil moisture sensor YL-69, which has been validated with an accuracy of 98.27% is used to measure soil moisture in agricultural land. Specifically, this monitoring system utilizes solar electricity, which is abundant in open areas, while the pump system still uses grid electricity. Those two systems are then integrated using an android application. The results of this study found that the use of a soft starter can reduce current up to 20.64% with a 3A motor and 15.32% with a 1.7A motor.
Comprehensive Modelling of a Capacitor Charger Boost Converter with PID Control Wicaksono, Ilham Agung; Adhim, Fauzi Imaduddin; Aliffianto, Lutfir Rahman; Arif, Rezki El
TEKNOLOGI DITERAPKAN DAN JURNAL SAINS KOMPUTER Vol 6 No 2 (2023): December
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/atcsj.v6i2.6217

Abstract

The DC-DC converter is used to convert the DC voltage, and the conversion is carried out to increase or decrease the voltage. This paper discusses the modeling of a boost converter for charging high-capacity capacitors using PID control. PID control is used to overcome changing voltages and long times to steady-state due to capacitor changes. The boost converter has a 24 V input voltage and a 350 V output voltage. Boost converter modeling is performed by electrically reviewing the circuit and then converting the differential equation from the electrical analysis into a state space that depicts the characteristics of boost converter. The simulation was performed using MATLAB software. For the initial conditions, a simulation was carried out using the calculated critical capacitor value to determine whether the boost converter output voltage reached 350 V. Furthermore, when the boost converter was replaced with a 4700 uF capacitor, the boost converter experienced underdamp oscillations with a settling time of up to 9 s. Therefore, PID control was used to overcome oscillations and long settling times. The Ziegler–Nichols 2 and Routh–Hurwitz stability methods were used to determine the parameters Kp, Ki, and Kd. From the calculation results, the parameters Kp = 0.6, Ki = 21.39, and Kd = 0.0042 are obtained. The output voltage response still has a high undershoot when using the parameters obtained from Ziegler–Nichols 2 tuning, but it already has a fast-settling time. By fine-tuning the PID control, the values Kp = 2, Ki = 90, and Kd = 0.09 were obtained. With these values, the boost converter voltage response has an overshoot of 388 V, an undershoot of 312 V, and a settling time of 0.6 s at 351 V.
NEURO-LINGUISTIC PROGRAMMING-BASED COUNSELING ASSESSMENT APPLICATION DESIGN Utomo, Prabowo Budi; Akhsani, Rafika; Muluk, Muchammad Saiful; Moch. Kholil
TEKNOLOGI DITERAPKAN DAN JURNAL SAINS KOMPUTER Vol 6 No 2 (2023): December
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/atcsj.v6i2.5404

Abstract

The non-optimal use of technology in counseling assessment makes the problem identification less accurate. Counseling assessment applications that are able to identify problems precisely are a necessity for counselors / counseling guidance teachers. The use of Google API speech to text allows the development of web applications that produce text outputs from voice input that can facilitate the process of diagnosing modalities and sub modalities of counselees / students. The method used in system development is Prototype which has advantages in faster development time. Combined with the Neuro-Linguistic Programming method, it will increase the accuracy of the diagnosis of modalities and sub modalities of counselees/students. The developed application has been tested functionally with a value of 65.63% which is included in the interpretation of 'Feasible', so it can be stated that the developed counseling assessment application is in accordance with user needs and feasible to use.

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