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Dr. Ratih Kumalasari, S.Pd., M.Si.
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Jurnal Jaring SainTek
Published by Universitas Bhayangkara Jakarta Raya
ISSN : -     EISSN : 26569485     DOI : https://doi.org/10.31599/jaring-saintek.v2i2.323
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Energy Engineering Industrial & Manufacturing Engineering
Jurnal Jaring SainTek (JJST) merupakan merupakan jurnal ilmiah yang diterbitkan oleh Lembaga Penelitian, Pengabdian Masyarakat, dan Publikasi (LPPMP) Universitas Bhayangkara Jakarta Raya dan dikelola oleh Fakultas Teknik Universitas Bhayangkara Jakarta Raya. Jurnal Jaring SainTek (JJST) ini merupakan kumpulan artikel – artikel ilmiah dari hasil penelitian, ulasan ilmiah, serta kajian berkaitan dengan disiplin ilmu teknologi industri, kimia, perminyakan, lingkungan, dan informatika yang menjadi obyek kajian pada umumnya. Jurnal ini diterbitkan dua kali setahun (semester genap terbit April dan semester ganjil terbit Oktober). Pertama kali terbit bulan April 2019 dengan E-ISSN: 2656-9485.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 129 Documents
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Linear and Nonlinear Simulation for Quadrotor Dynamics Encompassing Induced Disturbance Rizki Zuhri, Muhammad; Sidqi Islami, Zaim; Asti Rosalia, Citra
Jurnal Jaring SainTek Vol. 6 No. 1 (2024): April 2024
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/mtj88e71

Abstract

Quadrotor is a rotorcraft that has four rotors, usually symmetrical and arranged in some specific configuration, i.e. ‘plus’ and ‘cross’ configuration. To test a new control system for quadrotor, it is necessary to put it on board first and have a flight test. However, controlling a quadrotor is a hard task, hence the risk of crash is high. This risk can be reduced by creating a simulation model that represents the dynamics of quadrotor accurately. This paper aims to provide the simulation model of a quadrotor. To increase accuracy of this model, the disturbance induced by the motion of the quadrotor were also taken int account. The simulation was built in Simulink based on the kinematics and dynamics equation of quadrotor both in linear and nonlinear simulation. In most cases, the attitude response (roll, pitch, and yaw) for both simulations were nearly the same. The most notable difference was for the elevation response in which the linear simulation tended to be unable to capture the deviation, while the nonlinear simulation was able to.
Penggunaan Soilless Culture System Berisi Kompos Padat Bromelain Terinduksi Trichoderma sp. Terhadap Tanaman Selada (Lactuca sativa L.) Nur Qolbi, Hana; Irawan, Bambang; Mahfut; Agustrina, Rochmah
Jurnal Jaring SainTek Vol. 6 No. 1 (2024): April 2024
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/jzyngn50

Abstract

Lettuce plants are widely cultivated in Indonesia. Based on the 2019 Central Bureau of Statistics, the amount of lettuce plant production has decreased production, because the soil in Indonesia has decreased fertility and drought. To overcome this problem by switching the use of planting media in the form of Soilless Culture System (SCS) media containing compost on Trichoderma sp. induced bromelain. SCS media containing Trichoderma sp induced bromelain solid compost will produce media that will be rich in macro and micro nutrients so as to produce quality lettuce plants. The purpose of this study was to determine the effect of using SCS media containing compost on bromelain induced Trichoderma sp. and get the best dose of SCS media containing compost on bromelain induced Trichoderma sp. on lettuce plants. This study used a completely randomized design (CRD) with media treatments used, namely husks, vermicompost, compost, coconut husk, and bromelain solid compost with the ratio of P1 (2:1:1:2:2), P2 (2:1:1:2:3), P3 (2:1:1:2:4). The parameters observed were leaf area and levels of chlorophyll a, chlorophyll b, and total. The results obtained after being tested with ANOVA 5% and BNT 5% further test stated that the leaf area and chlorophyll a, chlorophyll b, and total levels had a significant effect and the best dose was obtained, namely treatment P3 (2:1:1:2:4).
Eksplorasi Jejaring Farmakologi pada Tanaman Yakon Untuk Pengobatan Diabetes Mellitus Tipe 2 (DMT2) Azzahra, Fatimah; Dwi Astuti, Ayun; Masyita, Ayu
Jurnal Jaring SainTek Vol. 6 No. 1 (2024): April 2024
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/5t30ct47

Abstract

Diabetes Mellitus remains a pressing concern due to a significant surge in cases, driving the continuous exploration of natural substances as potential drugs and nutraceuticals. Notably, insulin leaves or yacon are among the promising natural candidates. Previous in vitro and in vivo studies have established the antidiabetic effects of insulin leaves, and in silico investigations have also been conducted to assess their impact on DPP-4. Nonetheless, the exploration of the hypoglycemic or antidiabetic effects of this plant remains extensive and offers room for further investigation. In light of this research, PPI analysis and oncology gene enrichment were carried out on target compounds and diseases using bioinformatics databases, Venn diagrams, Cytoscape, and ShinyGO. The findings unveiled 9 high-priority targets from the analysis, and the KEGG pathway that elucidates the disease mechanism is the EGFR inhibitor resistance pathway.
Analisis Postur Kerja Metode Reba pada Pekerja Sentra Industri Perkayuan Prasetyo, Rian
Jurnal Jaring SainTek Vol. 6 No. 1 (2024): April 2024
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/4wz4j856

Abstract

Balepanjang is one of the Village in Wonogiri Regency is the center of the wood processing industry. From observations in the field the workers when doing work activities are not very ergonomic. Where standing is too bent, legs too bent, and sitting is not in accordance with the posture. If left unchecked, it can cause work-related injuries and illnesses, then a work posture analysis is carried out to determine the level of risk that workers may experience. This study aims to evaluate the work posture of the workers in the wood industry center in Balepanjang Village, Jatipurno District, Wonogiri Regency with the REBA (Rapid Entire Body Assessment) method to minimize the occurrence of work-related injuries and illnesses in workers. based on the results of measuring work postures using the REBA method, it was found that the process of lifting wood and pushing it to the saw machine in the home sawmill industry, a REBA score of 10 was in the high level category.
Optimasi Ekstraksi DNA Pseudonocardia Carboxydivorans 18A213O1 Menggunakan Kit Ekstraksi Promega dan Qiagen Abdullah Setiawan, Wawan; Riandani Azzahra, Syifa; Handayani, Kusuma; Setiawan, Andi
Jurnal Jaring SainTek Vol. 6 No. 1 (2024): April 2024
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/js4jb268

Abstract

More than 70% of the earth's oceans are known to cover the surface of the earth. High biodiversity makes the ocean a habitat for microorganisms such as tunicates. Tunicates can associate with other microorganisms such as Pseudonocardia carboxydivorans so that they can produce bioactive compounds including antibiotics, pesticides and antitumors. The initial stage to identify a bioactive compound is by isolating DNA. This study aims to determine the optimization of bacterial DNA extraction using promega and qiagen extraction kits. This study consists of 3 treatments, namely rejuvenation, bacterial identification and concentration measurement. The results showed that the optimization of using qiagen extraction kit was relatively superior at 1,989 ng/µl - 2,000 ng/µl with 1 hour. While in the optimization of promega extraction, the resulting purity is 1,500 ng/µl - 1,943 ng/µl with a processing time of 2 hours.
Rancang Bangun Sistem Pencarian Dan Pendataan Tukang Gigi Wilayah Jakarta Berbasis Android Putra, M Andreansyah Pradana; Zulkarnain, Iskandar; Fauziyah, Fauziyah
Jurnal Jaring SainTek Vol. 6 No. 2 (204): Oktober 2024
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/v9873s03

Abstract

Banyaknya tukang gigi yang masih belum terdata dan terdaftar pada STGI (Serikat Tukang Gigi Indonesia) dan belum memenuhi izin praktik yang tentu saja bertentangan dengan Permenkes terhadap perzinan praktik. Pencarian tukang gigi yang teregistrasi pada STGI masih tidak jelas dikarenakan tukang gigi yang belum terdata dan teregistrasi pada STGI wilayah Jakarta tidak bisa dibedakan serta belum memliki label bagi tukang gigi yang terdata dan terdaftar pada STGI wilayah Jakarta. Uraian permasalahan yang ditemukan, maka dirancang dan bangun sebuah sistem informasi pencarian dan pendataan tukang gigi di Jakarta Barat yang dapat menyelesaikan permasalahan yang terjadi. Metode penelitian yang digunakan pada penelitian ini menggunakan metode waterfall dan perancangannya menggunakan Unified Modelling Language (UML). Sistem informasi pencarian dan pendataan tukang gigi ini dibuat menggunakan bahasa pemrograman kotlin, php sebagai backend server dan database MariaDB. Pengujian sistem menggunakan blackbox testing yang berdasarkan perhitungan konsep McCall berbdasarkan faktor Realiblity dan Efficiency dengan menghasilkan bahwa sistem informasi pencarian dan pendataan tukang gigi ini sangat layak digunakan dengan validasi objek testing sebanyak 11 objek test case
Classification of Rock Types Using Machine Learning Efrata, Marojahan Benedict; Spalanzani, Widya; Citrowati, Sekar Ayu
Jurnal Jaring SainTek Vol. 6 No. 2 (204): Oktober 2024
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/2hfrbw48

Abstract

Determining the petrophysical rock type often excludes measured multiphase flow properties, such as relative permeability curves. This is due to limitations in SCAL experiments or difficulties in correlating relative permeability characteristics with standard rock types. However, with a significant number of relative permeability curves, Machine Learning methods can be applied to automatically and objectively classify rock types based on the shape of these curves. This approach combines principal component analysis with unsupervised clustering schemes and preprocesses relative permeability curve data by integrating irreducible water saturation and residual oil. The methodology was tested on real data from carbonate reservoirs with a substantial number of relative permeability curves, demonstrating successful clustering based on fractional flow curves. The results indicate that this clustering can classify rocks from poor to optimal displacement efficiency. Furthermore, the study highlights the importance of high-quality SCAL experiments for normalizing curves and ensuring consistency between capillary pressure measurements and relative permeability. This Machine Learning approach is also compared with capillary pressure analysis, showing that relative permeability data provides additional information in rock typing studies, affirming the feasibility of Machine Learning for automatic rock type classification.
Rancang Bangun Sistem Pengelolaan Zakat dan Wakaf dengan Framwork Codeigniter Pada Kementerian Agama Ningsih, Fitria Ayu; Whendasmoro, Raditya Galih; Fauziyah, Fauziyah
Jurnal Jaring SainTek Vol. 6 No. 2 (204): Oktober 2024
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/d2654822

Abstract

Pengelola Zakat dan wakaf merupakan salah satu rukun islam yang bercorak sosial ekonomi dari lima rukun islam. Menunaikan zakat merupakan kewajiban bagi umat yang mampu sesuai dengan syariat islam. Pengelolaan zakat dan wakaf bertujuan untuk penerimaan atau pengumpulan, pendistribusian atau penyaluran serta permohonan bantuan terhadap dana zakat dan wakaf. Sistem pengelolaan zakat dan wakaf masih dilakukan secara semi komputer yaitu menggunakan word dan excel. Dari uraian permasalahan yang terjadi, maka dirancang dan di dibangun sebuah sistem informasi pengelolaan zakat dan wakaf berbasis web yang diharapkan dapat menyelesaikan permasalahan yang ada. Metode penelitian yang digunakan pada perancangan ini menggunakan metode SDLC dan perancangannya menggunakan Unified Modelling Languange (UML) sistem informasi pengelolaan zakat dan wakaf ini menggunakan bahasa PHP dan MySQL dan untuk Mengoptimalkan Database menggunakan framework codeigniter.  
Optimalisasi Lereng Produksi Quarry Batugamping J dengan Metode Limit Equilibrium Citrowati, Sekar Ayu; Febri, Kevin; Efrata, Marojahan Benedict Efrata; Spalanzani, Widya
Jurnal Jaring SainTek Vol. 6 No. 2 (204): Oktober 2024
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/cvfkv256

Abstract

Penambangan batugamping di Indonesia umumnya dilakukan pada morfologi conical hill, akibatnya penambangan dapat mengalami longsor sehingga perlu dilakukannya analisis kestabilan lereng. Tujuan penelitian adalah memberikan rekomendasi kelerengan pada penambangan batugamping menggunakan Limit Equilibrium Method (LEM) dan kinematika lereng quarry “J”. Terdapat struktur geologi right slip fault pada daerah dominan satuan batugamping. Hasil analisis LEM dilakukan dengan skenario pada kemiringan lereng aktual (41°), landai (30°), dan terjal (60°). Nilai faktor keamanan lereng aktual sebesar 393.656 menggunakan metode Fellenius yang termasuk dalam kategori lereng stabil, hal ini wajar dikarenakan nilai properti material (UCS, kohesi, dan phi) batugamping yang tinggi. Hasil analisis kinematika menunjukkan dapat terjadinya dua potensi longsor yaitu wedge dan toppling akibat keberadaan struktur geologi pada lereng. Tipe wedge menunjukkan nilai critical percentage kelongsoran sebesar 1,3%  pada slope aktual, apabila slope diterjalkan, nilai critical percentage kelongsoran meningkat pada slope 54°-58° sebesar 3,4-6%. Sedangkan tipe toppling menunjukkan nilai critical percentage kelongsoran sebesar 0% pada slope aktual, apabila slope diterjalkan, nilai critical percentage kelongsoran meningkat pada slope 58°-60° sebesar 2,2-3%. Berdasarkan hasil kedua metode, direkomendasikan slope lereng penambangan diterjalkan sampai 60o sehingga produksi penambangan batugamping meningkat sesuai dengan faktor keamanan dan kestabilitas lerengnya
Analisa Perbaikan Sistem Kerja Menggunakan Metode Ergonomic Analysis untuk Mengurangi Risiko Musculoskeletal Disorders di PT. MHA sabilah, Ade Irpan; Abdurrafi, Adhe
Jurnal Jaring SainTek Vol. 6 No. 2 (204): Oktober 2024
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/3bgtpd45

Abstract

PT MHA merupakan industri manufaktur yang memproduksi komponen motor, di mana terdapat berbagai kondisi kerja yang tidak ergonomis, terutama pada bagian Assy. Crank Shaft. Kondisi ini meningkatkan risiko gangguan musculoskeletal disorders (MSDs) pada operator produksi. Penelitian ini bertujuan untuk menganalisis postur kerja operator menggunakan metode Nordic Body Map (NBM) dan Rapid Upper Limb Assessment (RULA) serta memberikan rekomendasi perbaikan untuk mengurangi risiko MSDs. Penelitian ini menggunakan metode Nordic Body Map (NBM) dan Rapid Upper Limb Assessment (RULA) untuk mengevaluasi postur kerja operator dan mengidentifikasi area yang perlu diperbaiki. Hasil menunjukkan bahwa operator A, H, dan I memiliki risiko tinggi (skor RULA 7) untuk mengalami cedera muskuloskeletal. Rekomendasi perbaikan meliputi penyesuaian posisi kerja, penggunaan alat bantu ergonomis, dan pelatihan ergonomi. Implementasi perbaikan ini diharapkan dapat mengurangi risiko MSDs dan meningkatkan kenyamanan kerja di PT MHA.

Page 12 of 13 | Total Record : 129

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