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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) Indonesian Journal of Applied Sciences Majalah Kedokteran Bandung Jurnal Kedokteran dan Kesehatan : Publikasi Ilmiah Fakultas Kedokteran Universitas Sriwijaya Journal of Engineering and Technological Sciences Journal of ICT Research and Applications International Journal of Advances in Intelligent Informatics The Asian Journal of Technology Management (AJTM) ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Padjadjaran Journal of Dentistry Journal of Geoscience, Engineering, Environment, and Technology Journal of Science and Applicative Technology Journal of Dentomaxillofacial Science Spektra: Jurnal Fisika dan Aplikasinya Agrin : Jurnal Penelitian Pertanian Jurnal Otomasi Kontrol dan Instrumentasi Jurnal Elektronika dan Telekomunikasi Jurnal Pendidikan dan Konseling ANIMA Indonesian Psychological Journal Scientific Journal of Mechanical Engineering Kinematika Jurnal Nasional Aplikasi Mekatronika, Otomasi dan Robot Industri (AMORI) Jurnal Nasional Teknik Elektro dan Teknologi Informasi Makara Journal of Technology
Suprijanto Suprijanto
Faculty of Industrial Engineering, Institute of Technology Bandung, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Physics Public Health Social Sciences Other

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Pengembangan Sistem Instrumentasi untuk Deteksi Aktifitas Jantung pada Mencit Arief Adhi Nugroho; Chaerani Chusnia; Suprijanto Suprijanto
Jurnal Otomasi Kontrol dan Instrumentasi Vol 9 No 2 (2017): 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.2017.9.2.4

Abstract

Telah dilakukan pengembangan sistem instrumentasi untuk mengidentifikasi aktifitas jantung pada mencit. Mencit (Mus musculus) adalah anggota muridae (tikus-tikusan) yang berukuran kecil. Mencit banyak digunakan oleh dokter , farmasi atau aktifitas praktikum lab pada universitas. Mencit digunakan sebagai hewan percobaan. Hewan mencit sangat berkesan dalam dunia obat-obatan. Yang sering di ketahui bahwa setiap obat yang digunakan dalam dunia kesehatan hari ini pastilah pernah melalui masa pengujian preklinik. Biasanya untuk mengidentifikasi bagaimana pengaruh obat dan reaksi yang terjadi  harus membedah dan membunuh hewan tersebut. Studi yang dilakukan pada penelitian ini adalah bagaimana membuat suatu sistem alat untuk mengamati aktifikas jantung dengan menggunakan Elektrokardiogram (EKG) dengan keluaran diharapkan mengidentifikasi tanpa harus membunuh. Untuk menampilkan aktifitas tersebut yaitu menggunakan alat Open Brain Computer Interface (BCI) dipasang dengan elektroda, kemudian elektroda tersebut dipasang dibagian jantung dari tikus tersebut. Open BCI yang dipakai adalah Open BCI Ganglion dengan 4 channel. Biasanya open BCI ganglion digunakan sebagai pengukuran dengan subjek manusia, tetapi studi ini mengimplementasikan open BCI untuk pengukuran hewan yaitu mencit.  Analisa sinyal dilakukan dengan cara mengamati gelombang EKG dengan fitur interval RR, lebar QRS pada EKG. 
Polyaniline as Novel Polymer Materials for Dry Electrode- Based Electrocardiography (ECG) Jeffry Omega Prima; Bayu Pamungkas; Nugraha -; Suprijanto -
Jurnal Elektronika dan Telekomunikasi Vol 18, No 1 (2018)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v18.1-8

Abstract

Electrocardiography (ECG) has been instrumental for early detection of cardiovascular anomalies. In this research, we successfully prototyped and evaluated the performance of a novel dry electrode as ECG sensor. Copper was selected as dry electrode material due to its good balance between conductivity and affordability. Polyaniline was used as a conductive coating to facilitate the conversion of ionic currents from the human body into electrical currents in electronic circuits. The coating was carried out via electrodeposition technique. Optimal electrodeposition time of 20 min using acetic acid as a dopant was established. This yields in the dry electrode with comparable performance to the certified wet electrode currently available in the market, shown by PQRST signal correlation between dry electrodes (this study) and the wet electrode (benchmark) which is close to zero. The dry electrode prototyped in this study is characterized to have a conductivity of 7 x 10 -4 S/mm, a resistance of 10 Ω, capacitive reactance of 140 Ω, and excellent signal stability showing a value of 256.5 μV consistently for 2 hours.
The development of osteoporosis detective analysis method in trabecular condylus of menopause women using panoramic radiograph Azhari Azhari; Suhardjo Sitam; Nuki N. Hidajat; Agus Z. Arifin; Suprijanto Suprijanto
Journal of Dentomaxillofacial Science Vol. 1 No. 2 (2016): (Available online: 1 August 2016)
Publisher : DiscoverSys Inc.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15562/jdmfs.v1i2.2

Abstract

Osteoporosis incidence in Indonesia increase each year, 1 of 3 menopause women suspected have osteoporosis, then earlier detection is needed. Factors that influence the successful analysis is the choice of region of interset (ROI) and extract feature method. The purpose of this research is to determine the best method to define the bone quality based on trabecular of condylus analysis. Data were obtained from Dentistry Hospital, Padjadjaran University Bandung. Research were conducted cross-section to 79 samples which measured in dual energy X-ray absorbsimetry (DEXA) as a base standard then taken its panoramic radiograph. Trabecular analysis was conducted in ROI of condylus using panoramic radiograph then cursor was clicked in cortical endorsal following the condylus head shape. To reduce the noise, we conducted pre-processing by compensational method, it is a finding of the lowest means of variant number around condylus as a reduce factor then affect the radiograph of condylus become darker. Background sets in zero (0) meanwhile trabecular stay at gray scale. Feature extraction applied 3 analytical methods, they are: gray level co accurance matrix (GLCM), histogram and fraction. Statistical analysis shows T-score DEXA correlation with 3 methods, proofed that fraction method performed the best correlation which r value is 0.377and GLCM (contrast r=0.233, correlation =0.342, energy -0.147, homogenity= r =-0.107), meanwhile histogram (max histogram r=0.253, range histogram r=0.06). As a conclusion, fraction method with ROI of condylus head shape is the best method to determine osteoporosis in post menopause women.
MEASURING INSTRUMENT FOR REFILLED DRINKING WATER USING A TDS SENSOR Dudi Adi Firmansyah; Kamila Rofa Khairunnisa Ibadurrohman; Bernadus Bisma Titis Restu Aji; Suprijanto Suprijanto
Spektra: Jurnal Fisika dan Aplikasinya Vol 5 No 2 (2020): SPEKTRA: Jurnal Fisika dan Aplikasinya, Volume 5 Issue 2, August 2020
Publisher : Program Studi Fisika Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/SPEKTRA.052.07

Abstract

Water is an essential need for humans and consumed as drinking water after fulfilling the health requirement in the Republic of Indonesia Minister of Health Regulation No.492/Menkes/Per/IV/2010. Due to the increasing demand, there are currently many refilled drinking water stores as an economical and practical alternative way to people. However, their safety still needs to be tested in the laboratory. This condition is impractical so that it needs a portable measuring instrument especially based on the TDS sensor that can measure the total dissolved solids (TDS) and electrical conductivity (EC) at once, which determines the taste and safety of the water. TDS sensor calibration at 80.5 to 966 ppm shows a 93.4% accuracy; 99.8% precision and 1.3 ppm hysteresis. In comparison, EC calibration at 161 to 1932 microsiemens/cm produces an average of 82.3% accuracy, 97.1% precision, and 1.0 microsiemens/cm hysteresis. This prototype is then employed to measure the water sample and determine its safety to consume and observed a decreasing trend of TDS and EC (194.1 ppm and 388.2 microsiemens/cm) as compared to the water spring sample (20.2 ppm and 402.3 microsiemens/cm). The prototype also has a Bluetooth module that enabling the remote observation on a cell phone without the presence of a telephone network.
Semi-Automatic Image Segmentation for Volumetric Visualization of Pelvis CT Scan-Images Suprijanto, Suprijanto; Muchtadi, Farida I.; Setiawan, Irwan
Makara Journal of Technology Vol. 13, No. 2
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Semi-Automatic Image Segmentation for Volumetric Visualization of Pelvis CT Scan-Images. The current development of computerized tomography (CT) has enable us to obtain cross sectional image using multi slicing techniques in an order of few seconds. The obtained images represent several tissue structures on cross section slice being imaged. One challenge to help diagnosis using CT images is extracting an anatomic structure of interest using a method of image segmentation and volumetric visualization with the assistance of computers. In case of volumetric visualization of pelvis bones extracted from multi-slice CT images, whole images which are containing part of pelvis bone structures must be segmented. In this research, an image segmentation technique based on active contour is implemented for semi-automatic multi slice image segmentation. Image segmentation steps are initialized with a define model of 2D curve on the first slice image manually. Next, its model curve is deformed to reach the final result of 2D curve that fits to boundary edges of pelvis bone image. The final result of 2D curve on previous slice image was used as an initialization model of 2D curve on the next slice images. This process will continue until the final slice image. This segmentation method was compared with the segmentation method based on threshold from homogenous intensity distribution and manual segmentation method. Quantitative analysis from the results of segmentation on each slice and qualitative analysis on the representation of volumetric visualization are performed in this research.
SMART SEAL BASE ON WIFI USING WEB SERVICE PHP Irawati Dewi Syahwir; Suprijanto Suprijanto; Gayuh Tentri; Rayhan Putra Pratama
Spektra: Jurnal Fisika dan Aplikasinya Vol 7 No 2 (2022): SPEKTRA: Jurnal Fisika dan Aplikasinya, Volume 7 Issue 2, September 2022
Publisher : Program Studi Fisika Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/SPEKTRA.072.02

Abstract

Technological developments, especially in the IoT (Internet of Things), play a significant role in various fields. In addition to achieving a modern and efficient work environment, IoT can also play a role in the security sector, which has now become a significant need. One of the roles of IoT in the security sector is that it can be applied to calibrated TMWE (Measuring, Dosing, Weighing, and Equipment). So that it can guarantee the correctness of the measurement results from the TMWE, continuous monitoring can be carried out so that fraud does not occur. One of the innovations in this regard is the smart seal. The use of smart seals is prioritized for fixed TMWE, which is vulnerable to theft and breaches. This system is designed based on IoT, which is integrated with cloud services and GPS systems that allow the use of web-based applications for online monitoring of seal conditions by users. Data from the seal will be sent to the server via wifi network and stored in a database, to be displayed in web service with a user, admin, and signer access. In addition to providing information to users about the seal’s location, the use of the GPS also aims to make it easier for admins to detect the seal’s location in the event of a violation.
Prototipe Alat Kontrol Derajat Keasaman dan Konduktivitas Listrik Selama Masa Tanam pada Larutan Nutrisi Hidroponik Tanaman Cabai (Capsicum frutescens L.) Budi Yasri; Suprijanto Suprijanto; Malik Purnomo Hadi; Safira Humaira
Jurnal Pendidikan dan Konseling (JPDK) Vol. 4 No. 6 (2022): Jurnal Pendidikan dan Konseling: Special Issue (General)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jpdk.v4i6.9712

Abstract

Metode hidroponik bukan hal yang baru di kalangan petani khususnya di wilayah yang kurang lahan untuk bercocok tanam. Salah satu metode hidroponik yang sering digunakan yaitu metode Nutrient Film Technique karena mudah dikembangkan dan digunakan terutama di wilayah yang kurang lahan untuk bercocok tanam. Akan tetapi tanaman hidroponik sangat bergantung pada larutan nutrisi dan harus sesuai kebutuhan tanaman. Pada penelitian ini akan dibuat sistem otomatis untuk proses pencampuran larutan nutrisi pada tanaman cabai menggunakan sensor EC dan pH untuk mendeteksi nilai konduktivitas listrik (EC) dan derajat keasaman (pH) nutrisi selama masa tanam. Pada penelitian ini menggunakan metode penelitian eksperimen, untuk mengetahui pengaruh variabel independen terhadap variabel dependen dalam kondisi yang terkendalikan. Dari hasil kalibrasi sensor didapatkan nilai rerata eror pada sensor pH sebesar 10,77% dan sensor EC sebesar 5,46%. Sementara, pengambilan data pengujian prototipe dilakukan pada menit ke 15, 30, 45 dan 60. Hasil pengontrolan EC pada waktu tersebut secara berturut-turut sebesar 1324,90 µS/cm; 1369,63 µS/cm; 1347,74 µS/cm dan 1325,26 µS/cm. Sedangkan, hasil pengontrolan pH pada rentang waktu tersebut secara berturut-turut sebesar 6,23; 5,90; 5,78 dan 6,17. Hasil yang didapatkan pada penelitian ini memiliki prospek untuk dikembangkan lebih lanjut untuk merumuskan jenis teknologi pengiriman data pengukuran EC dan pH yang tepat dari prototipe kepada pengguna secara kontinu.
Prototipe Pengontrolan Kepekatan Larutan Nutrisi pada Tanaman Tomat (Solanum Lycopersicum) Berbasis Jaringan Sensor Nirkabel Budi Yasri; Suprijanto Suprijanto; Aldy Aprian; Fathul Khoiriyah
Jurnal Pendidikan dan Konseling (JPDK) Vol. 4 No. 6 (2022): Jurnal Pendidikan dan Konseling: Special Issue (General)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jpdk.v4i6.9713

Abstract

Pengontrol kepekatan larutan nutrisi adalah alat yang digunakan untuk mengkondisikan kepekatan larutan nutrisi agar tetap berada pada set point ruang lingkup pertanian. Pengontrol kepekatan larutan nutrisi digunakan pada sistem hidroponik khususnya metode Nutrient Film Technique (NFT). Dalam hal ini pengontrolan dilakukan pada kepekatan nutrisi pada reservoir yang digunakan sebagai media air yang sudah tercampur dengan nutrisi yang kemudian dialirkan pada tumbuhan. Di masa depan, alat ini diharapkan bisa membantu petani hidroponik agar dapat melakukan pengontrolan secara otomatis sehingga mampu untuk memperkecil peluang terjadinya gagal panen. Pengontrolan ini dilakukan dengan menggunakan sensor TDS (Total Dissolved Solid) yang digunakan untuk mengukur kepekatan suatu larutan. Dalam penelitian ini, pengontrolan kepekatan larutan nutrisi difokuskan untuk kebutuhan nutrisi tanaman tomat. Dari hasil uji kalibrasi yang dilakukan pada tiga titik uji pengukuran 96,2 ppm, 500 ppm, dan 1000 ppm besar nilai kesalahan secara berturut turut adalah 10%, 7%, dan 4%. Ketika prototipe sudah dipasang pada instalasi hidroponik NFT untuk menambah kepekatan sebesar 180 ppm perbandingan antara larutan nutrisi dengan reservoir campuran adalah 1 : 200. Pada pengujian debit pompa, besar debit pompa yang sudah dipasang 3,33 mL/s. Kemudian, ketika dilakukan pengujian pengontrolan dari jarak jauh dapat dipastikan bahwa penunjukkan kepekatan nutrisi dari jarak 0 km sama 8,1 km adalah sama.
Pengendalian Kadar Ph Tanaman Tomat (Solanum Licopersycum) Berbasis Iot pada Hidroponik DBS Semi Otomatis dengan Platform Telegram Budi Yasri; Suprijanto Suprijanto; Nisrina Nur Husna; Sabilla Rosadi
Jurnal Pendidikan dan Konseling (JPDK) Vol. 4 No. 6 (2022): Jurnal Pendidikan dan Konseling: Special Issue (General)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jpdk.v4i6.9714

Abstract

Dutch Bucket System adalah teknik bercocok tanam hidroponik yang ditekankan pada sirkulasi dan efesiensi penggunaan air dimana air merupakan faktor penting dalam penyaluran nutrisi untuk tanaman agar dapat berkembang. Banyak faktor yang dapat mempengaruhi pertumbuhan tanaman terutama pH air. Pada tanaman tomat pH air yang disarankan agar nutrisi dapat terserap dengan efisien adalah rentang 5.5 – 7. Maka dibuat prototipe pengendalian pH untuk mengontrol dan mengendalikan nilai pH agar sesuai. Pengontrolan ini berbasis IoT melalui telegram sehingga dapat dilakukan monitoring dan pengendalian melalui smartphone. Hasil kalibrasi dari prototipe ini ialah memiliki akurasi sebesar 97.34%, presisi sebesar 96.37% dengan nilai histerisis gabungan sebesar 0.09 dan memiliki linearitas yang cukup baik yaitu untuk pengukuran naik R² = 0.9978 dan untuk pengukuran turun R² = 0.9985. Pengujian dilakukan pada instalasi miliki sendiri dan rentang pH masih dalam rentang normal. Hasil pembacaan dan proses pengendalian pH berhasil dilakukan melalui telegram.
Analisis Interaksi Aliran Darah dan Pembuluh Serta Pengaruh Kebebasan Mesh Pada Simulasi Hemodinamik Berbasis Metode Elemen Hingga Narendra Kurnia Putra; Bonfilio Nainggolan; Johanna Muliany; S Suprijanto
Journal of Science and Applicative Technology Vol 4 No 2 (2020): Journal of Science and Applicative Technology December Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Sumatera, Lampung Selatan, Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/jsat.v4i2.273

Abstract

Cardiovascular diseases are the world’s leading cause of death with significant death rates caused by abnormalities in vessels such as aneurysms and stenosis. These conditions can potentially cause blockage and thinning of vessels which may lead to heart attack, stroke, and bleedings. Recently, computational simulation methods are frequently used in blood flow analysis. These methods are frequently used in vascular fluid dynamics analysis which relate to the origin of a disease, efficacy prediction in installation of therapeutic instruments and complements the in vitro studies. This article presents an example of a simple vascular simulation to study the effect of blood flow with respect to vascular wall displacement. Furthermore, this research shows the importance of formal CFD pre-processing such as mesh independence testing which influences the simlation accuracy as well as vascular flow prediction and its effects on vascular wall displacement. In this research, it is concluded that the number of mesh elements affects the accuracy of vascular wall shear stress (WSS) calculations with average WSS difference of 0.8 Pa with no significant difference in wall displacement values. An average WSS of 1.95 Pa and a wall displacement of 5.7 µm are obtained from the blood flow simulation in this study.
Co-Authors - Azhari - Azhari Agus Z. Arifin Agus Zainal Arifin Ahmad Haerudin AHMAD, SAYYID AL HABBIB Aldi Fernando Aldy Aprian Aprilianty, Fitri Arief Adhi Nugroho Ayu Gareta R. Azhari Azhari Azhari Azhari Bayu Pamungkas Bernadus Bisma Titis Restu Aji Bonfilio Nainggolan Budi Yasri Candra Yudhistira Chaerani Chusnia D. Kurniadi Damar Rastri Adhika Deddy Kurniadi Deddy Kurniadi Dudi Adi Firmansyah Dudi Darmawan Dyah A. Lestari E. Juliastuti Eka Susanty Endang Juliastuti Endang Juliastuti F. Fitria Farida I. Muchtadi Farida Muchtadi, Farida Fathul Khoiriyah Fauza K. Masyhuroh Fifi Veronica Firmansyah, Dudi Adi FIRMANSYAH, VERA Freddy Haryanto Galih Nadhova Gareta R., Ayu Gayuh Tentri Gianto Gianto H Susanti Hanifan Prafiadi Hanna Gunawan Hardianto Iridiastadi Hesty Susanti Hijazi, Rhakamerta Hilsa Iftikar Zahedi Sutalaksana Iftikar Zahedi Sutalaksana Irawati Dewi Syahwir IRWAN SETIAWAN Istianto, Yuki Jeffry Omega Prima Johanna Muliany Jos Budi Sulistyo Kamila Rofa Khairunnisa Ibadurrohman Khairul Amri Kusuma, Anak Agung Ngurah Ananda L.F. Wiranata Leonardo Gunawan, Leonardo Lulu L. Fitri Lulu Lusianti Malik Purnomo Hadi Masyhuroh, Fauza K. Muchtadi, Farida I. Narendra Kurnia Putra Nisrina Nur Husna Nugraha - Nugroho, Afid Nuki N. Hidajat Prasetyo, Febrian Angga PRIYATNA, ENDANG Purwanegara, Mustika Sufiati R. Michael Rayhan Putra Pratama Rida Zuraida Sabilla Rosadi Saeful Bahri Safira Humaira Sasanti T. Darijanto Setyono Koesno Siti Maisaroh Siti Maisaroh Suhardjo Sitam Sunarto, Setio Aji T Apriantono V. Nadhira Wijayaa, Yusuf Giri Yogantara, Wayan Wira Yudhi Diputra Yusuf Giri Wijaya