Directory of Scientific Journals Indonesian Society of Applied Science (ISAS)
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Identifikasi Tujuan Tata Kelola Teknologi Informasi PLT FST UIN Jakarta Menggunakan Framework COBIT 2019
Get PDFInformation technology (IT) has an important role in increasing efficiency and providing benefits to decision making in various sectors. IT governance is important for organizational sustainability and performance. This research focuses on the Integrated Laboratory Center (PLT) FST UIN Jakarta which still depends on external parties for IT governance, creating potential risks and uncertainty in its operations. Therefore, this research aims to analyze the implementation of COBIT 2019 as a guide in identifying IT governance objectives that suit the needs of PLT FST UIN Jakarta. The research method used in this research involves the COBIT 2019 theoretical approach, with a focus on the goal cascade concept. This approach enables a systematic translation process of stakeholders\u27 needs for IT systems into more specific goals and appropriate strategic steps. The results show eight COBIT 2019 domains that are relevant to IT governance objectives in PLT, which include APO02 (Managed strategy), APO08 (Managed relationships), APO10 (Managed vendors), APO11 (Managed quality), BAI04 (Managed availability and capacity), DSS01 (Managed operations), DSS03 (Managed problems(, and MEA02 (Managed system of internal control) The recommendations resulting from this research are designed to improve the performance and maturity of IT processes at PLT FST UIN Jakarta in accordance with the IT governance objectives that have been identified. This is expected to provide a stronger foundation for managing and optimizing the use of IT to support operations and achieve organizational goals more effectively
Studi Penentuan Tarif BTS Transpakuan Koridor 5 dengan Metode ATP dan WTP
Get PDFBTS Transpakuan was officially launched on November 2, 2021, operating across 4 corridors, with the initial trial being conducted on corridor 5. Presently, it remains free, operating from 05:00 to 21:00. Notably, public interest has surged, as evidenced by a load factor of 91% recorded in September 2022. Corridor 5 stands as the sole corridor directly integrated with the KRL. The research aims to dissect the characteristics of corridor 5 BTS Transpakuan users and scrutinize tariff considerations using ATP and WTP methods. Employing an analytical-descriptive approach, primary data was gathered through questionnaires, subjected to ATP and WTP analysis, elucidating the correlation between outcomes. Of the 235 respondents utilizing corridor 5, a majority are women aged 20-30, educated up to high school level. Most are employed, earning between 2 to 3 million IDR, largely self-utilized. A transition from private vehicles to mass transit is evident, with 43 cars, 204 motorbikes, and 9 bicycles. Consequently, the current tariff stands at 3,562 IDR. An enhancement of facilities, prioritized within the tariff structure, would raise it to 4,620 IDR for a single journey. In conclusion, users\u27 capacity to pay is outweighed by their readiness to pay, potentially increasing if facilities are enhanced.BTS Transpakuan diresmikan pada 2 November 2021, melayani 4 koridor, yang pertama di uji coba adalah koridor 5. Saat ini masih gratis dengan jam operasional 05.00 - 21.00. Minat masyarakat meningkat dengan load faktor bulan September 2022 mencapai 91%. Koridor 5 adalah satu-satunya yang terintegrasi langsung dengan KRL. Tujuan penelitian yaitu menganalisis karakeristik pengguna BTS Transpakuan koridor 5 dan menganalisis besaran tarif ATP dan WTP. Metode deskriptif analitis, dengan penyebaran kusioner dan dianalisis ATP dan WTP serta dideskripsikan untuk mengetahui hubungan antara hasil analisis tersebut. Dari 235 responden pengguna koridor 5, mayoritas pengguna adalah perempuan dengan usia 20-30 tahun dengan pendidikan SMA. Mayoritas adalah seorang pegawai (BUMN/swasta) dengan tingkat pendapatan sebesar 2 juta – 3 juta dan pendapatan tersebut digunakan untuk dirinya sendiri. Telah terjadi perpindahan dari pengguna kendaraan pribadi menjadi pengguna transportasi umum massal sebanyak 43 unit mobil, 204 unit sepeda motor, dan 9 unit sepeda. Maka, besaran tarif adalah Rp. 3.562, jika fasilitas ditingkatkan berdasarkan prioritas tarif menjadi Rp. 4.620 untuk satu kali perjalanan. Maka didapat kesimpulan bahwa kemampuan membayar pengguna < keinginan membayar pengguna dan jika fasilitas ditingkatkan maka pengguna bersedia membayar lebih
Studi Rencana Penentuan Titik Pemberhentian Angkutan Umum Massal Berbasis Jalan di Kabupaten Bogor pada Koridor 5
Get PDFThe Bogor District Government plans to use Bus Rapid Transit as one of the modes of mass transportation which is expected to increase the attractiveness of public transportation so as to reduce the use of private vehicles as an effort to reduce the level of traffic congestion. Determining the location and number of bus stops has an important role in the use of mass public transportation. The purpose of this study is to get the number and location of bus stops that can meet the potential demand, as well as the number of fleets needed for the operation of Mass Public Transport. The method used in this research is the Department of Land Transportation equation analysis. In this study, the determination of the location and number of bus stops along the mass transit route corridor 5 Bogor Regency was carried out by identifying the location that caused the greatest generation and met the criteria for the location of bus stops. The selected location is then carried out a screening analysis which aims to get the number and location of bus stops that can meet the potential demand and can analyze the potential demand from each stopping point. The results of this analysis conclude that there are 17 selected stop locations along the route with an average potential demand of 1983.80 trips/hrs, and the number of fleets required is 10 units of vehicles.Pemerintah Kabupaten Bogor berencana untuk menggunakan Bus Rapid Transit sebagai salah satu moda transportasi massal yang diharapkan dapat meningkatkan daya tarik angkutan umum sehingga dapat menekan penggunaan kendaraan pribadi sebagai usaha untuk mengurangi tingkat kemacetan lalu lintas. Penentuan lokasi dan jumlah halte memiliki peran yang penting dalam penggunaan angkutan umum massal. Tujuan penelitian ini yaitu mendapatkan jumlah dan lokasi halte yang dapat memenuhi potensi demand, serta jumlah armada yang dibutuhkan untuk pengopersian Angkutan Umum Massal. Metode yang digunakan pada penelitian ini adalah analisis persamaan Departemen Perhubungan Darat. Dalam penelitian ini, penentuan lokasi dan jumlah halte di sepanjang rute angkutan umum massal koridor 5 Kabupaten Bogor dilakukan dengan mengidentifikasi lokasi yang menimbulkan bangkitan terbesar dan memenuhi kriteria lokasi halte. Lokasi yang terpilih kemudian dilakukan analisis screening yang bertujuan untuk mendapatkan jumlah dan lokasi halte yang dapat memehuni potensi demand serta dapat menganalisis potensi demand dari masing-masing titik pemberhentian. Hasil analisis ini menyimpulkan bahwa terdapat 17 lokasi halte terpilih di sepanjang rute dengan potensi demand rata-rata sebanyak 1983,80 trip/hrs, dan jumlah armada yang dibutuhkan sebanyak 10 unit kendaraan
Pengaruh Kuat Arus Dan Variasi Sudut Kampuh Pengelasan SMAW Pada Sambungan Pelat Baja AISI E 2512 Terhadap Ketangguhan Serta Uji Anova
Get PDFWelding is a process of joining two metals where the metals become one due to heat with or without pressure. In this research, the welding process was carried out using a SMAW (Shield Metal Arc Welding) welding machine or electric arc welding using wrapped electrodes to determine the effect of seam type and current on toughness as well as an anova test. The base metal used is AISI E 2512 steel. The welding variables chosen are seam angles 600, 700, and 800, while the current variables used are 100A, 90A and 80A, then impact testing and anova tests are carried out. From the research results obtained. The highest impact strength is at a seam angle of 800 and a current of 100A, namely 1,802 joules/mm2, for the 700 seam angle group, the highest tensile strength value is 1,793 joules/mm2, while the lowest value is at a seam angle of 600, a current of 80A is 1,717 joules/mm2 and at Anova test shows that the mechanical properties of the weld will depend on the shape of the weld and the current chosen, so the seam angle and current strength have a significant influence on the impact strength or toughness of the steel..Pengelasan adalah suatu proses penyambungan dua logam dimana logam menjadi satu akibat adanya panas dengan atau tanpa tekanan. Dalam penelitian ini dilakukan proses pengelasan menggunakan mesin las SMAW (Shield Metal Arc Welding) atau las busur listrik menggunakan elektroda terbungkus untuk mengetahui pengaruh jenis kampuh dan arus terhadap ketangguhan serta uji anova. Logam induk yang dipakai adalah jenis baja AISI E 2512. Variabel pengelasan yang dipilih adalah sudut kampuh 600, 700, dan 800, sedangkan variabel arus yang digunakan adalah 100A,90A dan 80A kemudian dilakukan pengujian impak dan uji anova. Dari hasil penelitian diperoleh. kekuatan impak tertinggi terdapat pada sudut kampuh 800 dan arus 100A yaitu sebesar 1,802 joule/mm2,untuk kelompok sudut kampuh 700 nilai kekuatan tarik yang tertinggi sebesar 1,793 joule/mm2, sedangkan nilai terendah pada sudut kampuh 600 arus 80A sebesar 1,717 joule/mm2 dan Pada uji uji anova bahwa Sifat mekanis hasil las akan tergantung pada bentuk kampuh dan arus yang dipilih, jadi sudut kampuh dan kuat arus mempunyai pengaruh yang signifikan terhadap kekuatan impak atau ketangguhan pada baj
Studi Pengaruh Variasi Parameter Pemesinan Terhadap Kekasaran Permukaan Pin Track Link Baja AISI 1045
Get PDFThe track link pin is an important part of the excavator undercarriage which often experiences wear due to continuous friction. Excessive load is often the cause of increased track link pin wear. Therefore, this research makes a replacement material for AISI 1045 steel excavator track link pins by varying the machining parameters using the Taguchi method. In this research, track link pins were made using a conventional lathe. The manufacturing process is carried out by varying nine combinations of machining parameters, namely cutting depth (a), cutting speed (Cs), and feed motion (f). Each parameter is organized into three factor levels. Determination of the variation values of these parameters is carried out based on the maximum limit conditions of the machine and the specifications of the tools used. The research results show that there is an influence of machining parameters on surface roughness. The surface roughness of the original material of the track link pin is N9. Of the nine levels of machining parameter combinations, there is one combination that produces a surface roughness of N8 (NOT GOOD), so that 88.89% of this research is rated GOOD.Pin track link merupakan salah satu bagian penting pada undercarriage excavator yang sering mengalami keausan akibat adanya gesekan terus menerus. Beban berlebih seringkali menjadi penyebab meningkatnya keausan pin track link. Oleh karena itu, penelitian ini membuat material pengganti pin track link excavator baja AISI 1045 dengan memvariasikan parameter pemesinan dengan metode Taguchi. Pada penelitian ini, pembuatan pin track link menggunakan mesin bubut konvensional. Proses manufaktur dilakukan dengan memvariasikan sembilan kombinasi parameter pemesinan, yaitu kedalaman potong (a), kecepatan potong (Cs), dan gerak makan (f). Masing-masing parameter diatur dalam tiga level faktor. Penentuan nilai variasi dari parameter tersebut dilakukan berdasarkan kondisi batas maksimum dari mesin dan spesifikasi tools yang digunakan. Hasil penelitian menunjukkan adanya pengaruh dari parameter pemesinan terhadap kekasaran permukaan. Kekasaran permukaan material asli pin track link adalah N9. Dari sembilan level kombinasi parameter pemesinan, terdapat satu kombinasi yang menghasilkan kekasaran permukaan N8 (NOT GOOD), sehingga 88,89% penelitian ini dinilai GOO
Prototipe Deteksi Letak Kebocoran Pipa dengan Optimalisasi Kinerja Penerimaan Paket LoRa menggunakan Pengkodean Parameter Fisik
Get PDFThe purpose of this research is to determine the effect of the physical coding of LoRa communications on monitoring water pipelines. Optimizing the performance of packet receivers in the LoRa communication system using coding on the physical parameters SF (spreading factor), BW (bandwidth), and CR (coding rate). The detection system consists of 3 sensor nodes, 3 intermediate nodes, and 1 receiver node. Data from these sensors is sent to a cloud database. The SX1278 LoRa communication module works using a 433 MHz frequency. During the transmission process on the LoRa communication system, optimization is carried out for receiving data packets using the parameter coding method of physical spread factors, bandwidth, and coding rate. As a result of the research, it is shown that the greater the value of the third parameter (SF, BW, and CR), such as improvement in packet reception performance, improvement in bit security, and increasing packet resistance to various disturbances in transmission, but the time required for sending data be longer. The optimal parameters for detecting pipe leak locations include SF 10, BW 500 KHz, and CR 4/8. The LoRa SX1278 scenario is optimal with a distance of 400 meters, where packet and byte reception are obtained 100%
Perbandingan Metode Random Forest, Convolutional Neural Network, dan Support Vector Machine Untuk Klasifikasi Jenis Mangga
Get PDFMango is a fruit known as the "King of Fruit" due to its rich flavor, vast variability, and high nutritional value. Classifying mangoes based on their external appearance is the initial step in the process of identifying and categorizing mango types conventionally. The classification process can be performed by examining external features such as fruit color, shape, and size. Classifying different types of mango fruits accurately can assist researchers in developing superior varieties and also aid farmers for cultivation purposes, sales, distribution, and selecting the right varieties for local growth and weather conditions. This research conducts the classification of mango types based on color from mango images using machine learning. The study compares three methods, namely Random Forest, Support Vector Machine (SVM), and Convolutional Neural Network (CNN), to determine the best method for classifying mango types based on their images. The dataset underwent preprocessing, where image sizes were standardized to 300 x 300 pixels, and color was changed to grayscale. The dataset was then divided into training and testing data with a ratio of 70:30. Subsequently, the dataset was processed using three methods, and their accuracy results were compared. The findings indicate that the Random Forest method yielded the highest accuracy compared to the other methods, with an accuracy rate of 96%. The accuracy of the SVM method was 95%, and the accuracy of the CNN method was 33%. From these results, it can be concluded that the Random Forest method is highly effective for classifying mango types based on their image compared to SVM and CNN methods.
 
PULSE Energy: Solusi Portabel Hemat Energi untuk Sistem AC dan DC
No full textTujuan penelitian ini adalah untuk mengembangkan unit daya hibrida portabel AC-DC yang mampu menyediakan konversi energi untuk beban resistif dan induktif. Desain menggunakan sistem konverter AC-DC hibrida, yang mengintegrasikan baterai yang dapat diisi ulang, inverter DC-AC, dan sistem kontrol pintar berbasis mikrokontroler. Aplikasi Android diterapkan untuk pemantauan dan pengendalian jarak jauh, memungkinkan pengguna untuk mengelola konsumsi daya dan mengisi ulang baterai. Penelitian ini menemukan bahwa unit daya hibrida efektif dalam mendukung beban resistif dan induktif tanpa kerugian energi yang signifikan. Sistem kontrol pintar, yang mencakup relay untuk pemutusan daya otomatis berdasarkan saldo yang tersedia. Fitur pemantauan jarak jauh meningkatkan kenyamanan pengguna dengan memberikan wawasan real-time tentang penggunaan energi dan saldo. Penelitian ini memberikan solusi yang dapat diskalakan untuk kebutuhan energi portabel, dengan implikasi untuk aplikasi rumah tangga maupun komersial. Fitur kontrol pintar juga berkontribusi pada penghematan energi dan otonomi pengguna yang lebih besar. Integrasi output AC dan DC serta kemampuan pengendalian jarak jauh membedakan solusi ini dari unit daya tradisional. Nilai penelitian ini terletak pada aplikasinya yang praktis untuk berbagai perangkat elektronik, menawarkan sumber daya yang andal, efisien, dan fleksibel
Deteksi Helm Keselamatan Menggunakan Jetson Nano dan YOLOv7
Get PDFIncreasing awareness of the importance of head personal protective equipment in industrial and construction environments has become a major concern in efforts to improve occupational safety. This research developed an early detection system for the use of computer vision-based head protective equipment using the YOLOv7 model and the Jetson Nano controller. The YOLOv7 algorithm was chosen for its ability for fast and accurate object detection. The YOLOv7 model was trained with a total dataset of 2799 images and iterations of 100 epochs to detect head personal protective equipment with a high degree of accuracy. The system captures imagery, activates a warning alarm, and sends a notification to Telegram when a violation occurs on an object that is not wearing a safety helmet. The test results using the confusion matrix method showed that the developed system was able to detect head personal protective equipment with an accuracy rate of 97.23%, which shows the system\u27s ability to recognize personal protective equipment with very high accuracy. In addition, the system also showed a precision value of 98.71% indicating that all detections performed were correct, and a recall of 95.63% which describes the system\u27s ability to recognize most of the head personal protective equipment available. The average FPS result using GPU with CUDA on Jetson Nano reached 5,723 FPS
Aktivitas Dinamis pada Appreciative Game “Warik the Adventurer” berbasis Finite State Machine
Get PDFSerious games have become potential tools for education due to their advantage of giving a fun experience to the learner. Therefore, game experience is a fundamental element in serious game design. The game experience is mainly produced by the game activity, such as a quest or mission. However, in many serious games, the game activities do not have a clear design and concept, resulting in a poor playing experience which produce poor understanding of the material. Appreciative Game is a game that is based on Appreciative Learning concept. Appreciative Learning concepts could be used to design game activities. Appreciative Learning consists of four main stages. The stages are discovery, dream, design, and destiny. These four stages lay down the foundation of serious game activity. This study uses the Finite State Machine to produce intelligent agents in order to develop more dynamic game activity to enhance the game experience. We developed a 3D game called Warik the Adventurer as the testbed for this research. The game is about the cultural diversity in Indonesia. The game Experience Questionnaire (GEQ) is used to evaluate the player experience. The GEQ resulted in an acceptable score of 3 out of 5