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Jurnal Otomasi Kontrol dan Instrumentasi
Published by Institut Teknologi Bandung
ISSN : 20852517     EISSN : 24606340     DOI : https://doi.org/10.5614/joki
Core Subject : Engineering,
Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Engineering Industrial & Manufacturing Engineering
Jurnal Otomasi Kontrol dan Instrumentasi adalah jurnal ilmiah yang diterbitkan oleh Pusat Teknologi Instrumentasi dan Otomasi (PTIO), Institut Teknologi Bandung setahun dua kali (April - Oktober) untuk menyebarluaskan hasil-hasil penelitian dengan fokus dalam bidang otomasi, kontrol, dan instrumentasi dalam lingkup: Pengembangan Konsep dan Sistem Instrumentasi, Kontrol dan Otomasi: -Teori Kontrol -Pemodelan dan Identifikasi Sistem -Industri 4.0 -Sistem Terdistribusi -Sistem Virtual -Sistem Robotika dan Otonom -Sistem berbasis Pengolahan Citra -Sistem berbasis Kecerdasan Buatan Aplikasi Instrumentasi dan Kontrol : -Bidang Industri dan Keamanan -Bidang Transportasi dan Komunikasi -Bidang Kesehatan dan Kenyamanan Hunian -Bidang Pertanian dan Pengolahan Pangan -Bidang Manajemen Energi -Bidang Energi Terbarukan -Bidang Industri Kreatif.
Arjuna Subject : Teknik (semua kategori) - Teknik Kontrol dan Sistem
Articles 226 Documents
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Prototipe Sistem Kendali Perabot Elektronik Rumah Tangga Berbasis Internet of Things Mawaddah, S. E.; Sumariyah, Sumariyah; Suryono
Jurnal Otomasi Kontrol dan Instrumentasi Vol 14 No 2 (2022): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2022.14.2.1

Abstract

Pada era industri 4.0 perkembangan teknologi Internet of Things (IoT) mulai merambah kepada pengendalian perabot elektronik pada rumah tangga. Pengendalian perabot elektronik rumah tangga penting dilakukan karena sistem pengendalian yang efisien dapat menekan biaya penggunaan energi listrik. Pada penelitian ini telah dirancang bangun sistem kendali perabot elektronik rumah tangga berbasis IoT menggunakan mikrokontroler ESP32 dan smartphone. Sistem ini dapat dikendalikan secara dua arah yaitu melalui aplikasi Blynk dan push button manual untuk mematikan dan menyalakan perabot yang terhubung dengan relay. Aplikasi Blynk juga dirancang untuk memonitoring perabot elektronik yang dikendalikan menggunakan sensor. Sensor yang digunakan adalah DS18B20 untuk perabot yang menghasilkan perubahan suhu, dan sensor BH1750 untuk perabot yang menghasilkan perubahan cahaya. Pada pengujian sistem didapatkan hasil relay akan mengubah kondisi ketika salah satu tombol pengendalian ditekan dan menampilkan tampilan ON pada aplikasi Blynk ketika relay menyala dan tampilan OFF ketika relay mati. Dari sensor DS18B20 menampilkan suhu sedangkan sensor BH1750 menampilkan intensitas cahaya pada perabot yang dikendalikan. Hasil kalibrasi sensor diperoleh kesalahan pengukuran tidak melebihi 3%. Jaringan Wi-Fi dapat diakses oleh mikrokontroler ESP32 hingga jarak 10 meter dari router. Pengendalian melalui aplikasi Blynk dapat dilakukan di manapun dan kapanpun selagi smartphone terhubung dengan jaringan internet.
Prototipe Sistem Peringatan Dini (EWS) Bendungan Berbasis Internet of Things (IoT) dengan Antarmuka Web dan Aplikasi Mobile Saputro, Joko Slamet; Latifa, Ulinnuha
Jurnal Otomasi Kontrol dan Instrumentasi Vol 14 No 1 (2022): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2022.14.1.4

Abstract

Teknologi IoT merupakan sebuah konsep yang bertujuan untuk mempermudah akses data menggunakan konektivitas internet. Pada penelitian ini IoT digunakan sebagai sistem monitoring dan peringatan dini secara realtime pada bendungan dengan prototipe berdasarkan Bendungan Walahar, Kabupaten Karawang. Platform thinkspeak digunakan sebagai web server pengolah data. Sistem monitoring ini menggunakan interface app Virtuno, web thinkspeak, twitter dan sms, sementara monitoring secara langsung menggunakan LCD. Pada proses pengambilan data dilakukan percobaan sebanyak 10-30 kali dengan pembacaan sensor menghasilkan prosentase eror 0% dengan time delay 0-30 detik.
Analisis Bibliometrik Riset PID Speed Control pada Rentang 2013-2022 Zakaria, Diky; Ridwan, Taufik; Putri, Dewi Indriati Hadi; Adhi, Himmawan Sapta
Jurnal Otomasi Kontrol dan Instrumentasi Vol 14 No 2 (2022): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2022.14.2.2

Abstract

Penelitian ini bertujuan untuk memberikan gambaran terkait perkembangan riset PID speed control dalam satu dekade terakhir (2013-2022). Metode yang digunakan dalam artikel ini adalah analisis bibliometrik dengan menggunakan VOSviewer, Tableau Public dan Rstudio Biblioshiny. Database yang digunakan adalah Scopus. Dengan kata kunci pencarian “PI* speed control*”, diperoleh 258 dokumen publikasi yang terdiri dari 105 artikel jurnal dan 153 artikel prosiding yang menjadi dataset utama yang digunakan dalam artikel ini. Dari hasil analisis terlihat bahwa jumlah publikasi riset PID speed control berfluktuasi setiap tahunnya. Top 10 dokumen dengan jumlah sitasi terbanyak juga dibahas dalam artikel ini. Author paling produktif dan author paling berpengaruh dalam riset PID speed control terungkap yaitu Verma, A dan Choi, H.H. Topik yang sedang tren dan menjadi hotspot dalam riset PID speed control adalah particle swarm optimization, direct torque control, extended Kalman filter, current predictive control, sliding mode control, model predictive control dan disturbance observer. Akhirnya, artikel ini dapat memberikan informasi yang bermanfaat bagi para peneliti empiris untuk menentukan kebaruan dan research gap untuk penelitian selanjutnya dalam tema utama PID speed control.
Pengukuran Somatotype dan Center of Pressure (CoP) dengan Force Platform untuk Mengetahui Pengaruh Morfologi Tubuh terhadap Keseimbangan Postur Berdiri Susanti, Hesty; Mukhtar, Husneni; Rahmawati, Dien; Arik Geraldy Fauzi, Muhammad; Setiyadi, Suto
Jurnal Otomasi Kontrol dan Instrumentasi Vol 14 No 2 (2022): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2022.14.2.3

Abstract

The human ability to carry out daily activities is influenced by the balance of body posture in various positions, especially in a standing position. One of the factors of body balance is a biomechanical factor which is influenced by the morphology of the human body. Somatotype is a method of classifying the morphology of the human body, while the balance of human body posture can be measured based on the center of pressure (COP), which is the center of pressure generated when humans stand up. In this study, a system was designed to classify somatotypes using the Heath-Carter formula and assessment of body posture balance. Somatotype grouping is done with inputs in the form of body height measured with an ultrasonic sensor, body mass measured using a set of load cells to determine body mass index (BMI), and 8 anthropometric parameters. While the measurement of body balance is carried out by measuring the COP values using 8 load cell sensors. Eight anthropometric parameters were used, namely skin folds in the triceps, subscapular, supraspinal, and medial calf areas, the width of the femur and humerus bones, and the triceps and calf circumference. Statistical parameter values ​​in the form of mean, range, and approximate entropy (ApEn) are then calculated from the obtained COP values, i.e., for the medial-lateral (ML) and anterior-posterior (AP) directions, so that the center point of the COP, the displacement distance of each axis (ML and AP directions), and their stability can be determined. The measurement results are grouped and combined to display the type of somatotype associated with the COP value to obtain a relationship between the type of somatotype and a person's standing posture. Measurements were carried out on 14 male subjects with an age range of 15-23 years. The measurement results show an average error range of 0.37-2.58% for ultrasonic sensors, 0.64-4.67% for load cells, 0.1-0.6% for ApEn values ​​at COP in the medial-direction direction (ML COP), and 0% for ApEn in COP in the anterior-posterior direction (AP COP). The average difference range for ML COP is 0.03-0.84 cm, while the average for AP COP is 0.14-0.58 cm. These differences indicate a shift in the center of pressure on the subject's body when measurements are taken compared to the original state. The ectomorphic somatotype group had the greatest instability compared to 2 other somatotype groups, namely endomorphic and mesomorphic. In each somatotype group, the value of the AP COP range which is greater than in the ML COP indicates a greater tendency of body sway in the anterior-posterior direction. Keywords: somatotype; balance posture; center of pressure; body morphology
Penimbangan Volume Bejana Ukur Standar pada Pompa Ukur Bahan Bakar Minyak (BBM) dengan Metode Gravimetri syahwir, Irawati Dewi; Agus; Putri, Ni Made Adinda Pradnya; Nurani, Ni Ayu Miftah
Jurnal Otomasi Kontrol dan Instrumentasi Vol 14 No 2 (2022): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2022.14.2.5

Abstract

Bejana Ukur Standar (BUS) merupakan alat yang digunakan untuk mengukur volume seperti volume bahan bakar minyak di SPBU. Ketelusuran standar BUS adalah dengan metode penimbangan, sehingga kesalahan akan bertambah karena banyaknya rantai ketelusuran, sehingga pengujian dengan timbangan 3 load cell dengan metode gravimetri perlu untuk mengurangi kesalahan menggunakan BUS yang disebabkan kesalahan pembacaan, pemuaian bahan, kemiringan posisi dan faktor lainnya. Timbangan ini memberikan hasil berupa volume sehingga pengguna tidak perlu mengkonversi dari massa ke volume secara manual, Hal ini tentu saja akan mempermudah pekerjaan secara efektif dan efisien. Pengujian timbangan dengan 3 load cell ini menggunakan BUS 5 liter dengan hasil pengujian volume rata-rata terbaca sebesar 5008,26 mL, nilai standar deviasi sebesar 5,49 mL, nilai bias sebesar -8,26 mL, nilai akurasi sebesar 99,51%, nilai presisi sebesar 99,67% dan nilai kesalahan sebesar 0,49%. 
Sistem Pemindaian Diameter Dalam Tangki Silinder Tegak Berbasis Ultrasound Ranging sutanto, willi; Suprijanto; Juliastuti, Endang; Prihensa, Herfin Yienda; Gianto
Jurnal Otomasi Kontrol dan Instrumentasi Vol 14 No 2 (2022): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2022.14.2.4

Abstract

Upright Cylindrical Fixed Measuring Tank (TUTSIT) is commonly used to store liquids of high economic value. TUTSIT needs to be calibrated periodically. For TUTSIT inner diameter scanning, a prototype ultrasound-based (US) ranging distance scanner has been developed with 3 US transducers with a frequency of 42kHz. For TUTSIT diameter scanning, two US transducers are mounted in a mechanical system that rotates 360o automatically and continuously. To determine the altitude position during scanning, one US transducer is mounted vertically facing vertically down on a tripod supporting the scanner's mechanical system. The scanner system was tested on a 75 kL capacity TUTSIT on course II of the 4 courses in the tank. The scanned data, which came from cloud points from course II, were pre-processed to be cleaned of outliers. The test results show that the system has functioned properly to measure the inner diameter of the tank at a height of 227 cm, 253 cm, and 261 cm. The scanning measurement error at a height of 227 cm and 253 cm is ±0.5% while at a height of 261 cm, the measurement error is about ±2.3%. The flatness of the prototype position greatly affects the accuracy of the diameter measurement, as can be seen from the measurement error at a height of 227 cm and 253 cm which is better than the measurement at a height of 261 cm, which does not pay attention to the flatness of the prototype position.
Dynamic Evaluation: Centrifugal Compressor’s Operation in Determining Anti-Surge Controller Tri Partono Adhi; Rosyid, Tanti S; Yusrin Ramli; Indarto, Antonius
Jurnal Otomasi Kontrol dan Instrumentasi Vol 14 No 2 (2022): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2022.14.2.6

Abstract

Anti surging is developed for a compressor system consisting of a booster compressor and a high-pressure compressor in a serial circuit. This evaluation presented 6 options of anti-surge systems with variations of the number of Anti Surge Valve (ASV) and its combination with the addition of Hot Gas Bypass Valve (HGBV) and Cold Gas Bypass Valve (CGBV). From the model evaluation, the option that involves a special ASV (dedicated) for each compressor and coupled with a dedicated CGBV or HGBV is the best because the compressor can be back to normal in less than 1 second (maximum time to return to normal condition is 3 seconds. Referring to these options, dedicated ASV for each compressor provides more benefits to the security of compressor operation. However, the most appropriate option in the field will return to the issue of cost or ease of modification. For facilities that are running (brownfield), the use of tools which already exist in the field and do a little modification is the most appropriate option, while for the new facility (grassroots project), the single ASV for a compressor circuit is the most optimum as it only involves minimum equipment and configuration as simple as possible piping/instrumentation.
Pengukuran Kekuatan Bending Material Komposit dari Limbah Ampas dan Sekam Kopi Nurmalia, Nurmalia; Hartono, Medelyn Angel; Ary Noviyanti, Anastasia
Jurnal Otomasi Kontrol dan Instrumentasi Vol 15 No 1 (2023): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2023.15.1.2

Abstract

Growing coffee consumption in Indonesia has resulted in increasing used coffee ground and husk containing tannins, alkaloids, and polyphenols, which oftentime just being dumped in the landfill, causing pollution to the environment. This study aimed to convert coffee waste into composite that can be used to create a valuable product. The coffee waste was used as the dispersed phase and other additional materials as the matrix phase of the composite. Depending on its application, a functional product is subjected to mechanical loads, such as tensile, compressive, torsional, or bending loads. Therefore, it is important to determine the maximum load that can be sustained by the material before it breaks, commonly referred to as material strength. Various mixture of coffee waste and matrix phase were explored, and the bending strength of resulted composites were measured using  Universal Testing Machine (UTM). To maximize the utilization of coffee waste, the best composite with optimal bending strength and the highest volume ratio of coffee waste to matrix component was investigated. It was found that the best composite consisted of a mixture of epoxy resin and white cement as the matrix with a coffee waste: matrix ratio of 50:50 and bending strength of 29.63 MPa.
Development of a Mini Compression Test Machine using Arduino Microcontroller as Texture Analyzer Prototype Angelica, Putri; Yetti, Musafri; Triawan, Farid; Sutanto Hadisujoto, Ignatius Budi; Hamidah, Ida
Jurnal Otomasi Kontrol dan Instrumentasi Vol 15 No 1 (2023): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2023.15.1.3

Abstract

A texture analyzer is a standard device to measure food texture properties. This study aims to develop a mini compression test machine prototype that can function as a texture analyzer with simple operation and portability. The components and materials were chosen based on: low cost, manufacturability, and availability in the local Indonesian market. The prototype dimension was 375 × 215 × 450 mm, and used a linear ball screw slider for the translation movement with a 200 mm effective sliding distance. For obtaining the compression load, a 10 kg load cell was used, and it was replaceable by a load cell with a lower capacity if a higher measurement accuracy was required. After calibration, the linear vertical displacement and load cell had ±0.1 mm and ±1 g of accuracy, respectively. The prototype was tested to measure the texture properties of potato chops. As a result, the machine could successfully measure the load and displacement data and detect a crack phenomenon, verifying its usability as a food texture analyzer.
Prototipe Sistem Keamanan Kas Baterai dan Kendali Lampu pada Rumpon dengan Kendali Telegram Amien, M.Mifthahul; Jahja, Mohamad; Yunginger, Raghel; Yunus, Muhammad; Tansa , Salmawaty; Nasibu, Iskandar Zulkarnain
Jurnal Otomasi Kontrol dan Instrumentasi Vol 15 No 1 (2023): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2023.15.1.1

Abstract

Fishermen use fishing aids called FADs to take advantage of Indonesia's marine potential. The problem fishermen face using FADs is the frequent loss of essential components in FADs, such as lights, batteries, and solar panels. Previously there was a security system that used SMS and GPS. However, there is no trigger, and still using SMS is a weakness of this existing system. This study aims to help solve this problem by developing a prototype that functions as a security system that no longer uses SMS and has a trigger. Rubot32 is the result of the design of this security system. It has an internal GPS to determine the device's position with sufficient accuracy. This ultrasonic sensor-based trigger will trigger a warning notification on the Telegram Bot and activates a high-voltage stinger and a functioning control system via Telegram Bot.

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