Fynnisa Z, Moraida Hasanah, Rahmadsyah Rahmadsyah, T. J. Saktisahdan, Ali Hasimi Pane, M. H. Tiannur
{"title":"Pengaruh Panjang Serat Pelepah Kelapa Sawit Terhadap Sifat Mekanik Bio Komposit dengan Resin Polyester","authors":"Fynnisa Z, Moraida Hasanah, Rahmadsyah Rahmadsyah, T. J. Saktisahdan, Ali Hasimi Pane, M. H. Tiannur","doi":"10.33379/gtech.v8i3.4369","DOIUrl":"https://doi.org/10.33379/gtech.v8i3.4369","url":null,"abstract":"Penelitian ini menggunakan serat alami pelepah sawit sebagai matriks dalam pembuatan bio composite dan resin poliester digunakan sebagai filler. Pembuatan bio composite dikempa menggunakan mesin hotpress pada suhu 70°C selama 20 menit dengan penekanan 30 kg/m2. Panjang serat divariasikan dengan ukuran 2, 4, 6, 8, dan 10 cm. Parameter berupa pengujian sifat fisis (densitas, porositas, dan daya serap air), pengujian sifat mekanik (kuat tekan, tarik, dan impak), dan analisa mikrostruktur menggunakan Scanning Electron Microscope (SEM). Hasil pengujian nilai optimum sifat fisis pada komposisi serat pelepah sawit yaitu 75%:25% dengan panjang serat pelepah sawit 10 cm yang memiliki nilai sifat fisis densitas 0,793 gr/cm3, porositas 0,134%, daya serap air 0,169% dan nilai sifat mekanik kuat tekan 19,234 MPa, kuat tarik 725,95 MPa, impak 1,1262 J/mm2. Hasil SEM, sifat fisis, dan sifat mekanik mendukung bio composite memenuhi kriteria \"Medium Board\" berdasarkan JIS A 5905:2003 dan dapat dimanfaatkan sebagai material alternatif pengganti bahan kayu.","PeriodicalId":280798,"journal":{"name":"G-Tech: Jurnal Teknologi Terapan","volume":"22 14","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141685642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Identifikasi Tingkat Kematangan Buah Carica dalam Pengolahan Citra Digital dengan Menggunakan Metode Transformasi Ruang Warna HSI","authors":"M. Maula, F. Santoso, Abdul Ghofur","doi":"10.33379/gtech.v8i3.4308","DOIUrl":"https://doi.org/10.33379/gtech.v8i3.4308","url":null,"abstract":"Buah carica merupakan buah yang jarang ditemui, buah ini hanya terdapat di pegunungan Dieng yaitu Kawasan Wonosobo-Banjarnegara. Penelitian ini bertujuan untuk melakukan identifikasi tingkat kematangan buah carica menggunakan transformasi ruang warna HSI dilakukan guna untuk memperoleh informasi yang lebih baik tentang tingkat kematangan buah dalam melakukan pemilihan buah yang akan diolah. Pada proses identifikasi kematangan buah carica menggunakan 90 dataset. Adapun 90 dataset ini terbagi dari 3 kategori yaitu, 30 matang, 30 mengkal, dan 30 mentah. Kemudian, dari 90 dataset dibagi menjadi 30 data training dan 60 data testing. Hasil dari identifikasi menunjukan 57 benar dari 60 dataset testing dengan menunjukan akurasi 95%.","PeriodicalId":280798,"journal":{"name":"G-Tech: Jurnal Teknologi Terapan","volume":"21 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141685159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Visualization and Prediction The Number of Patients Visit in Curug Health Center","authors":"Milda Aprilia, Wella Wella","doi":"10.33379/gtech.v8i3.4245","DOIUrl":"https://doi.org/10.33379/gtech.v8i3.4245","url":null,"abstract":"The problem with this research is the services provided by Puskesmas Curug seem to have excessively long waiting times. In light of this problem, it is imperative to establish a forecast in order to improve the readiness of healthcare facilities in delivering patient care. The forecast for the number of patient visits at Puskesmas Curug was made using data from the years 2015-2018, including visits from both the general public and those covered by the BPJS. Three techniques, specifically linear regression, single exponential smoothing, and autoregressive integrated moving average, are utilised to predict and ascertain the most precise forecasting accuracy. Furthermore, this study has created a representation that can be used by the Curug health centre. The research findings suggest that the ARIMA technique demonstrated the highest level of accuracy, with a precision rate of 73%. The visualisation result will be transmitted to the Puskesmas and then evaluated.","PeriodicalId":280798,"journal":{"name":"G-Tech: Jurnal Teknologi Terapan","volume":"80 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141687295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Karakteristik Marshmallow Carica (Carica pubescens L.) dan Sari Wortel (Daucus carrota L.) dengan Perlakuan Penambahan Gelatin dan Putih Telur","authors":"Monicha Raeatya, Rosida Rosida","doi":"10.33379/gtech.v8i3.4350","DOIUrl":"https://doi.org/10.33379/gtech.v8i3.4350","url":null,"abstract":"Penelitian ini bertujuan untuk mengetahui pengaruh penambahan gelatin dan putih telur terhadap karakteristik marshmallow. Metode yang digunakan adalah Rancangan Acak Lengkap (RAL) pola faktorial dengan dua faktor. Faktor pertama penambahan gelatin (8%,10%, 12%) dan faktor kedua penambahan putih telur (6%,8%, 10%). Hasil penelitian menunjukkan penambahan gelatin dan putih telur memberikan pengaruh terhadap kadar air, kadar abu dan hardness, tetapi tidak berpengaruh terhadap aktivitas antioksidan, kadar kadar vitamin C dan gula reduksi. Hasil perlakuan terbaik adalah penambahan gelatin 12% dan penambahan putih telur 10% yang menghasilkan karakteristik marshmallow dengan kadar air 19,98%, kadar abu 0,23%, aktivitas antioksidan 29,64%, kadar vitamin C 13,10%, kadar gula reduksi 8,36%, kekerasan (hardness) 1,06 N dan uji organoleptik menunjukkan warna 3,76; rasa 4,20; aromanya 3,60; dan tekstur 4,04.","PeriodicalId":280798,"journal":{"name":"G-Tech: Jurnal Teknologi Terapan","volume":"20 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141687563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Instalasi Proteksi Kebakaran pada Gedung Laboratorium Menggunakan Detektor Panas dan Detektor Asap","authors":"G. Pinto, Djoko Setyanto, A. Soewono","doi":"10.33379/gtech.v8i3.4296","DOIUrl":"https://doi.org/10.33379/gtech.v8i3.4296","url":null,"abstract":"Maraknya berbagai kasus kebakaran perlu diminimalisir melalui sistem proteksi kebakaran menggunakan peralatan yang digerakkan secara manual atau otomatis untuk mendeteksi sekaligus memadamkan kebakaran sedini mungkin. Perubahan suhu dan asap yang muncul di lokasi dapat menjadi parameter deteksi dini kebakaran tersebut. Tesis ini berhasil menentukan jumlah dan titik detektor serta instalasi proteksi kebakaran gedung laboratorium sesuai dengan Standard Nasional Indonesia (SNI) dan Regulasi Indonesia, yakni perhitungan jumlah detektor yang diperoleh 44 buah, terbagi atas 22 detektor panas dan 22 detektor asap, untuk lantai 1 terinstal 16 detektor, 8 detektor asap dan 8 detektor panas, lantai 2 terinstal 16 buah terdiri dari 8 detektor panas dan 8 detektor asap sedangkan lantai 3 terinstal 12 buah dengan 6 detektor panas dan 6 detektor asap.","PeriodicalId":280798,"journal":{"name":"G-Tech: Jurnal Teknologi Terapan","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141687722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yodhy Yabes Yulezar Turukay, Alex De Kweldju, Lorna Yertas Baisa
{"title":"Perancangan Arsitektur Enterprise Teknologi Informasi Menggunakan Metode TOGAF ADM (Studi Kasus : SMK Negeri 1 Manokwari)","authors":"Yodhy Yabes Yulezar Turukay, Alex De Kweldju, Lorna Yertas Baisa","doi":"10.33379/gtech.v8i3.4345","DOIUrl":"https://doi.org/10.33379/gtech.v8i3.4345","url":null,"abstract":"SMK Negeri 1 Manokwari yakni sekolah SMK Negeri di kota Manokwari, Papua Barat. Saat ini SMK Negeri 1 belum mempunyai SI/TI yang terintegrasi guna mendukung proses bisnisnya, contohnya pendaftaran siswa baru, pengelolaan data kepegawaian, dan pengaturan keuangan sekolah masih dikerjakan dengan manual. penelitian ini bertujuan melakukan pengembangan arsitektur enterprise SI/TI yang selaras dengan kebutuhan bisnis yang terus berkembang. Dalam penelitian ini, arsitektur enterprise teknologi informasi dirancang menggunakan metodologi Open Group Architecture Framework (TOGAF), dengan 5 tahap awal TOGAF ADM: Visi Arsitektur, Pendahuluan, Arsitektur Aplikasi & Data, Arsitektur Bisnis, dan Arsitektur Teknologi. Penelitian ini menghasilkan portofolio aplikasi SIPS, SIK, dan SIKU. Rekomendasi portofolio aplikasi memungkinkan deskripsi kriteria aplikasi untuk pengambilan keputusan dan pengembangan aplikasi di masa mendatang, dengan menggunakan Matriks McFarland's untuk mengklasifikasikan aplikasi seperti SIPS, SIK, dan SIKU berdasarkan pada kuadran strategic, high potential, key operation, serta support untuk menghasilkan proses bisnis yang maksimal di sekolah SMK Negeri 1 Manokwari.","PeriodicalId":280798,"journal":{"name":"G-Tech: Jurnal Teknologi Terapan","volume":"41 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141687659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Analisis Kapasitas Mesin Pencacah Limbah Plastik dan Tekstil Menggunakan Unit Penghancur (Shredder)","authors":"Rivan Muhfidin, Sely Novita Sari, R. Prastowo","doi":"10.33379/gtech.v8i3.4400","DOIUrl":"https://doi.org/10.33379/gtech.v8i3.4400","url":null,"abstract":"Sampah plastik menjadi isu lingkungan mendesak dengan produksi global mencapai jutaan ton per tahun, berdampak negatif di darat dan laut. Daur ulang sampah plastik adalah salah satu solusi terbaik. Penelitian ini bertujuan menghasilkan mesin pencacah plastik dan tekstil tipe shredder, menggunakan metode eksperimen untuk memodifikasi mesin pencacah yang ada agar lebih sederhana dan sesuai kebutuhan Rumah Sampah Ringas Trengginas. Sampel uji meliputi PET, HDPE, dan sampah tekstil. Data dikumpulkan melalui observasi dan studi literatur, dianalisis berdasarkan perencanaan pembuatan mesin dan hasil Pencacahan limbah. Mesin ini mampu mencacah 100 gram plastik 0,3 mm dalam 27 detik (13,3 kg/jam), plastik 0,5 mm dalam 30 detik (12 kg/jam), dan tekstil 0,2 mm dalam 45 detik (8 kg/jam). Rata-rata kapasitas mesin adalah 10,13 kg/jam.","PeriodicalId":280798,"journal":{"name":"G-Tech: Jurnal Teknologi Terapan","volume":"18 21","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141686015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Miftachul Wijaya, Muhammad Nizammudin Baihaqi, Ni Ketut Sari
{"title":"Optimasi Kalsium Silikat (CaSiO3) dari Batu Kapur Menggunakan Metode Response Surface Methodology (RSM)","authors":"Miftachul Wijaya, Muhammad Nizammudin Baihaqi, Ni Ketut Sari","doi":"10.33379/gtech.v8i3.4365","DOIUrl":"https://doi.org/10.33379/gtech.v8i3.4365","url":null,"abstract":"Kalsium silikat merupakan senyawa kimia dengan rumus CaSiO3 yang sering digunakan pada berbagai macam bidang industri. Kalsium silikat dibuat dengan beberapa metode salah satunya menggunakan metode reaksi padatan. CaO didapat dengan cara kalsinasi batu kapur untuk menghilangkan senyawa CO2 selama 4 jam pada suhu 900oC. Pembuatan kalsium silikat dilakukan dengan metode reaksi padatan dengan variabel yang dijalankan pada rasio pencampuran CaO dan SiO2 (1:0,5 ; 1:0,75 ; 1:1 ; 1:1,25 ; dan 1:1,5) dengan suhu reaksi pencampuran untuk membentuk kalsium silikat (1000oC , 1050 oC , 1100 oC , 1150 oC , dan 1200 oC). Penelitian ini bertujuan untuk mengetahui rasio CaO terhadap SiO2 terbaik yang dihasilkan pada penelitian menggunakan metode reaksi padatan. Metode optimasi dilakukan dengan menggunakan Response Surface Methodology (RSM). Hasil optimasi dengan RSM menunjukkan titik optimum pada percobaan berada pada suhu 1050⁰C dengan rasio pencampuran 1 : 0,5.","PeriodicalId":280798,"journal":{"name":"G-Tech: Jurnal Teknologi Terapan","volume":"11 1‐2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141686563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Analisis Tingkat Kerusakan Kemasan Mie Instan Goreng Menggunakan Metode Six Sigma dan FMEA Pada PT. Karunia Alam Segar","authors":"Aldila Syafa Salsa Sabillah, Yanuar Pandu Negoro, Hidayat Hidayat","doi":"10.33379/gtech.v8i2.4227","DOIUrl":"https://doi.org/10.33379/gtech.v8i2.4227","url":null,"abstract":"PT. KAS atau yang dikenaI dengan PT. Karunia Alam Segar adaIah saIah satu perusahaan F&B yang menghasiIkan produk berupa mie Instan. PT. KAS memiIiki produk akhir yakni mie Instan yang sudah dikemas dan diberi tambahan bumbu sesuai jenis rasa. Dari banyaknya proses yang dilalui, produk akhir perusahaan ini menimbuIkan adanya hasiI produk cacat seperti gencet bumbu, gencet mie, suhu dan atau sambungan, dan bumbu oil bocor daIam kemasan. Dari permasaIahan yang didapat, penuIis meIakukan peneIitian dengan menggunakan metode Six Sigma dan FMEA dengan tujuan untuk meminimalisir banyaknya variasi cacat produk. Berdasarkan hasil pengoIahan data pada kecacatan kemasan mie Instan goreng memiIiki niIai six sigma sebesar 4,96. Sedangkan nilai RPN tertinggi pada suhu dan atau sambungan karena faktor manusia (man) sebesar 504, dan nilai RPN tertinggi pada bumbu oil bocor daIam kemasan karena faktor manusia (man) sebesar 567.","PeriodicalId":280798,"journal":{"name":"G-Tech: Jurnal Teknologi Terapan","volume":" 27","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140683819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Implementation of Data Warehouse and Star Schema for Optimizing Property Business Decision Making","authors":"Willsen Wijaya, Jansen Wiratama, S. Wijaya","doi":"10.33379/gtech.v8i2.4091","DOIUrl":"https://doi.org/10.33379/gtech.v8i2.4091","url":null,"abstract":"The property industry is a sector that faces intense competition, so innovation is needed to plan business strategies. PT Wijaya Karya Realty faces several problems, such as determining strategic locations for its property products, such as houses or shophouses, and comparing the price of company houses with the market price of homes in specific locations. To answer these needs, it is necessary to implement a data warehouse and Extract, Transform, Load (ETL). In this research, Pentaho Data Integration (PDI) is used as a tool for managing and cleaning data that can be used as analysis material to assist in data-based decision-making. Apart from that, Mondrian can be used through the workbench scheme to improve data analysis effectively. Designing a star schema that includes a dimensional table and fact table can help optimize the analysis process better. The implementation of a data warehouse allows companies to make in-depth decisions based on critical variables. The research results show that the implementation of Star Schema can provide information for companies in decision-making and business strategy planning in the property sector.","PeriodicalId":280798,"journal":{"name":"G-Tech: Jurnal Teknologi Terapan","volume":" 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140686616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}