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STRING (Satuan Tulisan Riset dan Inovasi Teknologi)
Published by Universitas Indraprasta PGRI
ISSN : 25279661     EISSN : 25492837     DOI : http://dx.doi.org/10.30998/string.v4i3.6197
Core Subject : Science, Education,
Computer Science & IT Mathematics
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) focuses on the publication of the results of scientific research related to the science and technology. STRING publishes scholarly articles in Science and Technology Focus and Scope Covering: 1. Computing and Informatics 2. Industrial Engineering 3. Electrical Engineering 3. Mechanical Engineering 4. Applied Mathematical 5. Physics (Classical and modern) 6. Mathematics and Science
Arjuna Subject : Ilmu Komputer (semua kategori) - Teori Komputasi dan Matematika
Articles 14 Documents
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Search results for , issue "Vol 5, No 3 (2021)" : 14 Documents clear
Analisis Kepuasan Pelanggan Terhadap Aplikasi Pelayanan Pelanggan dengan Metode CSI dan ServQual Andreas Adi Trinoto; Ahmad Zamakhsari
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 5, No 3 (2021)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (88.011 KB) | DOI: 10.30998/string.v5i3.9178

Abstract

Kereta Api Indonesia (KAI) as one of the state-owned companies that provide services to the public feels good a few years back and is the aim of researchers to conduct a survey of customer satisfaction with one of the Microsoft product Genesys customer service applications that have been connected with social media as a supporting application in serving train service users. The method used by researchers is the CSI (Customer Satisfaction Index) and Service Quality, the Jakarta Central Railway office agent who filled in the questionnaires as much as 51 of 80 with 78.76% results in CSI and 0.24 on servqual. This customer service application has a positive effect on customer satisfaction, as well as an evaluation for application providers.
Analisis Efektifitas Mesin Pewarna Serat Optik Dengan Metode Overall Equipment Effectiveness (OEE) (Studi Kasus PT. Voksel Electric Tbk.) Ilham Saharani; Sukanta Sukanta
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 5, No 3 (2021)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (777.535 KB) | DOI: 10.30998/string.v5i3.8531

Abstract

To support the manufacturing system, the performance of the equipment used must be considered so that it can be used properly. PT. Voksel Electric Tbk. is a company engaged in the electricity and telecommunications industry. The production process of PT. Voksel Electric Tbk. inseparable from production tools or machines that have time and performance availability and are ready to fulfill company orders. One of the tools to measure the effectiveness of a machine is to use Overall Equipment Effectiveness (OEE), which has been recognized worldwide to measure machine effectiveness. The purpose of this study is to determine the level of effectiveness of the CETC 02 Coloring FO machine in the coloring line and its causes so that the company can make the right decision to fix it based on the results obtained. With 67% availability, 95% performance level, and 100% quality level, the total effectiveness of the entire machine in one work shift for 11 days from January 14 2020 to January 29 2020 is 63% which is above the fairness limit of the Japan Institute benchmark standard. of Plant Management (JIPM), namely 60%. The availability level accounts for the smallest percentage because it is caused by many things that require the machine to stop, whether intentional or unintentional, such as on January 22, 2020, the greatest downtime was recorded at 360 minutes because at that time the machine had a problem and could not be operated before it was handled by the maintenance department.
Analisis Perangkat Lunak Penilaian Digital Pertandingan Pencak Silat Menggunakan ISO 9126 Reza Prasetyo Aji
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 5, No 3 (2021)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (941.361 KB) | DOI: 10.30998/string.v5i3.7727

Abstract

This study aims (1) to know the quality of software possessed by eventsilat.com aplications, which is good or bad according to ISO 9126, (2) to know how to measure the quality characteristics of functionality, reliability, usability, efficiency, maintainability, and portability on eventsilat.com applications and (3) to know the quality of the last result of functionality, reliability, usability, efficiency, maintainability, and portability on eventsilat.com aplications based on ISO 9126. The analysis was conducted through a test case of each ISO 9126 characteristic. The results of this study show (1) the eventsilat.com digital assessment applications as a whole get good interpretation according to ISO 9126 with a value of 3.09 (2) How to measure the quality characteristics of functionality, reliability, usability, efficiency, maintainability, and portability at eventsilat.com aplications is by measuring the interpretation value using Likert scale of each character and sub character ISO 9126 and then test case, and (3) the quality of the last result of functionality is very good with the value of  3,26, the quality of reliability is good with a value of 2.74, usability quality is very good with a value of 3.52, the quality of efficiency is good with a value of 2.91, the quality of maintainability is good with a value of 2.99, and quality portability is good with value of  3.09.
Sistem Monitoring Kanopi Pintar Secara Real-time Berbasis IOT Abdul Refli Gunawan; Aris Gunaryati; Ucuk Darusalam
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 5, No 3 (2021)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (680.774 KB) | DOI: 10.30998/string.v5i3.8205

Abstract

Daily drying of clothes sometimes has problems when it rains. This makes the clothes wet again. A smart canopy system that can detect rain is needed to maximize daily work. In this study, a real-time smart canopy monitoring system was designed based on the Internet of Things and the ThingSpeak cloud platform that can monitor the status of the canopy and rainfall. This system uses a water sensor to detect rainwater. The maximum value of the sensor is 1024. Data processing uses NodeMCU which functions as a medium for processing and sending data. From the research conducted, the average time received by ThingSpeak is 1 second. The system is web-based, so monitoring is easy. Determination of the smart canopy action is determined using the fuzzy logic method with accuracy in determining the action of 100%.
Pemanfaatan Aplikasi E-Learning untuk Pembelajaran Materi Umum Berbasis Android Widy Saeful Iman; Mei Lestari; Ni Wayan Parwati S
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 5, No 3 (2021)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (639.358 KB) | DOI: 10.30998/string.v5i3.8315

Abstract

E-learning application is one of the innovations used in learning. Learning with e-learning applications can provide flexibility in place and time for users. This research aims to develop an e-learning application as a learning medium called Teman belajar. In Teman belajar, there are two actors consisting of admin and users. Admin is an actor who manage all activities in Teman belajar. Users in this research can be divided into two functions, as an exercise maker and exercise seeker. The method used in developing Teman belajar uses the waterfall model. The result of test on Teman belajar in several different smartphones show that the resulting image quality or layout is good and there are no errors found, so it can be concluded that Teman belajar is going well as expected. With Teman belajar application, it hoped that it can fulfill user needs with various of general materials that can be selected as needed.
Analisis Clustering Virus MERS-CoV Menggunakan Metode Spectral Clustering Dan Algoritma K-Means Septian Wulandari; Dian Novita
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 5, No 3 (2021)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (886.5 KB) | DOI: 10.30998/string.v5i3.7942

Abstract

The MERS-Cov virus has spread to other countries outside Saudi Arabia. This is because the MERS-CoV virus can mutate rapidly so it is feared that it could threaten public health and even world health. This virus develops and becomes an acute respiratory disease and the mortality rate reaches 30% among 536 cases. One way to classify the MERS-CoV virus is by grouping the DNA sequences of the MERS-CoV virus which have similar characteristics and functions. Spectral clustering is a grouping method that can identify DNA gene expression. This method is also able to partition DNA data with a more complex structure than the partition clustering method. The purpose of this study was to analyze the MERS-CoV virus clustering using the spectral clustering method and the k-means algorithm. This study used a quantitative descriptive literature approach. The results showed that the results of clustering using the spectral clustering method and the k-means algorithm produced three clusters and were more homogeneous than clustering using k-means only.
Aplikasi Spoxtech Untuk Penyandang Tuna Rungu – Wicara Menggunakan Algoritma Hidden Markov Model dan Metode Finite State Automata (FSA) Destivanesha Rina; Fauziah Fauziah; Nur Hayati
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 5, No 3 (2021)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (941.588 KB) | DOI: 10.30998/string.v5i3.7690

Abstract

Communication is a very important thing to establish social relations. In communicating, deaf and mute persons have difficulty conveying what information they want to convey. The Android-based Spoxtech application is an application specially designed for deaf and speech impaired persons. As the name implies, Spoxtech is taken from the word speech to text - text to speech. This application can make it easier for users to communicate because it is equipped with a voice menu that functions to detect the spoken voice which is then converted into text and a typed menu which functions to detect writing which is then converted into voice form. This application was created using the Hidden Markov Model algorithm in generating sound into text and using the finite state automata method in generating text into sound by performing two-level decapitation. This results of this study were carried out by testing the whitebox and blackbox. In this research, the text normalization test on the typewriter menu was also carried out, namely each word containing currency, time, temperature, and number units. The accuracy value obtained in testing this application uses Indonesian by testing the voice menu and typing menu and testing the two-level decapitation, the value is 100% of the 300 words in Indonesian.
Sistem Informasi Manajemen Persediaan Obat Berbasis Web Menggunakan Metode Prototype Pada Apotek Krisna Ruliyanto; Septi Andryana; Aris Gunaryati
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 5, No 3 (2021)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1137.956 KB) | DOI: 10.30998/string.v5i3.8113

Abstract

Management plays a very important role in supporting the running of the asset inventory and its management. Currently, the drug supply asset management system at the Kaka Bekasi Pharmacy is still carried out using a simple computerized method, namely using the Microsoft Excel application and manual recording, causing various kinds of problems. The problem faced by the pharmacy is that the asset management of drug supplies in the process of recording orders, purchases, sales is not recorded accurately and is well integrated so that in the search process one has to look for drug stock data, as well as being slow in knowing which drugs will expire. Lack of security in the system is also a problem with pharmacies as it can be accessed by anyone. Therefore, to assist managers in drug asset management, a Web-based Drug Inventory Asset Management Information System was designed using the Prototype Method at the Kaka Bekasi Pharmacy, system design using UML, PHP programming language with sublime text editor and MySQL database management software. The result of this research is a prototype that can be further developed in order to produce an asset management information system that can be implemented at the Kaka Bekasi Pharmacy.
Customer Relationship Management Menggunakan Metode Prototyping Untuk Produk Pembiayaan BPRS Al-Salam Siti Anisah
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 5, No 3 (2021)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/string.v5i3.7794

Abstract

BPRS Al Salam is a Sharia Micro Finance Institution (LKMS) that already has many customers, especially in financing products. However, in the manual funding application, the customer must come to BPRS Al Salaam, this is very troublesome for customers who want to apply for financing. Financing type marketing media still uses brochures, there is no easily accessible media to find out information on customer financing data such as financing status, payment maturity from financing transactions and the absence of a special forum for communication between BPRS and customers. To improve service to customers of BPRS is the application of the concept of customer relationship management (CRM). The purpose of this study is to design a CRM for financing products in order to improve service to customers. The system development method uses the Prototyping method. Tools in designing systems using UML include usecase diagrams, narrative usecase, activity diagrams, sequence diagrams, and class diagrams. Whereas system programming uses PHP and MySQL database, system testing with user acceptance test (UAT) methods. The results of this study resulted in a CRMS (customer relationship management system) developed with the Kalakota and Robinson approach that would produce a system that was in accordance with the needs of the organization and concluded that 80% of users agreed that the BPRS interface and application features were made in accordance with desires.
Analisis Beban Kerja Menggunakan Metode NASA-TLX Pada CV. Bahagia Jaya Alsindo Anita Pramesti; Endang Suhendar
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 5, No 3 (2021)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (104.703 KB) | DOI: 10.30998/string.v5i3.6528

Abstract

CV Bahagia Jaya Alsindo is part of PT. Bahagia Jaya Sejahtera, a member of the Bahagia Jaya Group, is known as a producer of agricultural, industrial, agricultural, livestock and fishery equipment / machinery. Problems arising from the many demands of work from the company to the production operator that resulted in the production process not running optimally, there are indications of employee turnover and work space that is not comfortable so that makes employees feel stressed at work. This study aims to determine the workload of hammer mill machine production operators measuring and cutting materials, assembling, painting, and finishing good, to determine the factors that cause mental workload with employee turnover indications and to reduce the mental workload felt by hammer mill production operators. The method used in this study is NASA-TLX (Task Load Index) with two stages, namely the weighting stage and the grading stage. Initial research results obtained WWL (Weight Workload) operator part of the measurement and cutting materials by 73.56, the Assembling section by 76.00, the painting part by 72.00, and finishing good by 73.33 where the results experienced a mental workload high. Proposed improvement is done by holding psych tests, providing training, providing Personal Protective Equipment (PPE) while working and holding work shifts.

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