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All Journal Jurnal Kajian Pendidikan Teknik Bangunan Physics Student Journal MAGNA MEDICA: Berkala Ilmiah Kedokteran dan Kesehatan Jurnal Elektronika Listrik dan Teknologi Informasi Terapan JMECS (Journal of Measurements, Electronics, Communications, and Systems) Jurnal Teknik Elektro dan Komputasi (ELKOM) Prosiding National Conference for Community Service Project Journal of Engineering, Technology and Computing (JETCom) Journal of Mathematics and Technology (MATECH) Inspiration: Jurnal Teknologi Informasi dan Komunikasi Jurnal Pengabdian Masyarakat Tekno Seminar Nasional Riset dan Teknologi (SEMNAS RISTEK) Jurnal Arsitektur ARCADE Journal of Innovation and Computer Science
Sigit Kurniawan
brawijaya university
Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Transportation Other

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DESAIN HIGH FREQUENCY PWM MENGGUNAKAN CPLD DAN PEMANFAATAN SISTEM SEBAGAI KONTROL PADA DC-DC FLYBACK UP CONVERTER Kurniawan, Sigit; Sakti, Setyawan Purnomo
Physics Student Journal Vol 2, No 1 (2014)
Publisher : Department of Physics - Faculty of Science

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Abstract

Pulse Width Modulation (PWM) menjadi bagian yang tak terpisahkan dari kebanyakan sistem kontrol. Salah satu kegunaan dari PWM adalah sebagai pengontrol daya pada rangkaian konverter DC-DC/DC-AC. Penggunaan PWM dengan frekuensi tinggi selalu menjadi  alternatif untuk mengurangi besarnya ukuran trafo pada  konverter Flyback.  Frekuensi tinggi PWM  dapat dihasilkan jika mengunakan model pencacah dengan kemampuan menghitung cepat. Teknik pencacahan rising dan falling untuk model pencacah dirancang mampu menghasilkan  PWM dengan frekuensi lebih tinggi daripada teknik PWM yang dibangun pada mikrokontroller PIC16F87X. Besarnya frekuensi PWM yang dibangun pada komponen CPLD bergantung pada resolusi dan osilator kristal yang digunakan, nilai frekuensi yang mampu  dihasilkan untuk resolusi PWM 10 bit dan frekuensi osilator kristal 48 MHz pada arsitektur PWM yang telah dirancang adalah 93.5 kHz. Serta desain high frequency PWM pada komponen CPLD dapat digunakan sebagai  kontrol pada konverter Flyback untuk menaikkan tegangan DC dari 12V ke 400V.
Bantuan Teknologi Pengolah Latek Pekat (Liquid Latex) untuk Kelompok Tani Karet Desa Muhajirin, Kabupaten Muaro Jambi Kurniawan, Sigit; Tanto, Tanto; Porawati, Hilda
National Conference for Community Service Project (NaCosPro) Vol 1 No 1 (2019): The First National Conference of Community Service Project 2019 (Accepted Papers)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Internasional Batam

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Abstract

Usaha pengolahan latek pekat di Desa Muhajirin Kabupaten Muaro belum berkembang dengan baik, dua aspek yang mempengaruhi perkembangan usaha tersebut adalah : (1) aspek produksi/pengolahan dan, (2) manajemen usaha. Permasalahan aspek produksi berkaitan dengan lama waktu pengolahan latek, sedangkan aspek manajemen adalah terkait dengan belum adanya pembagian tugas masing-masing anggota dari bidang usaha yang dilakukan. Solusi yang ditawarkan dalam kegiatan ini berupa bantuan alat dan pelatihan usaha untuk mengembangkan usaha pengolahan lateks yang telah dimiliki oleh kelompok tani tersebut.  Tujuan kegiatan ini adalah berkaitan dengan pembenahan aspek produksi latek pekat melalui bantuan mesin sentrifugasi dan metrolac. Hasil kegiatan menunjukkan bahwa dengan adanya bantuan tersebut masalah produksi pengolahan latek telah tertangani Masa produksi latek yang awalnya 2 minggu menjadi kurang dari satu jam dan adanya alat metrolac maka masalah pembelian karet dari masyarakat yang awalnya terkendala standar harga dapat dilakukan.
PENGEMBANGAN MODUL BERBASIS KOOPERATIF TIPE TEAM GAME TOURNAMENT(TGT) PADA KOMPETENSI DASAR MENDISKRIPSIKAN PEMBUATAN SAMBUNGANDAN HUBUNGAN KAYU SMK NEGERI 1 KEDIRI KURNIAWAN, SIGIT
Jurnal Kajian Pendidikan Teknik Bangunan Vol 1, No 1/JKPTB/16 (2016): Wisuda ke-85 Periode 1 Tahun 2016
Publisher : Jurnal Kajian Pendidikan Teknik Bangunan

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Abstract

Penelitian ini dilatar belakangi oleh keseriusan dalam membangun SDM, sistem pembelajaran dan infrastruktur sekolah. Pada saat pembelajaran siswa belum aktif, guru kesulitan membedakan mana siswa yang sudah paham dan tidak, perlunya sarana dan prasarana di SMK Negeri 1 Kediri supaya siswa belajar sendiri dengan mudah. Sebagai upaya siswa aktif dikembangkan modul berbasis Team Game Tournament (TGT). Kelayakan modul yang dikembangkan setelah di desain perlu divalidasi dan di ujicobakan di SMK Negeri 1 Kediri. Sebelum ujicoba diperlukan validasi modul kepada 2 guru dan 2 dosen. Jenis penelitian yang digunakan adalah Research and Development (R&D).Tahapan penelitian yang dilakukan adalah tahap potensi dan masalah, tahap pengumpulan data, tahap desain produk, tahap validasi, tahap revisi desain, dan tahap uji coba produk. Simpulan dari hasil penelitian (1) validasi untuk aspek kualitas modul TGT diperoleh sebesar 75% dalam katagori baik, yang berarti modul layak dalam memberikan suasana belajar siswa dengan pembelajaran permainan, sehingga siswa dapat menghilangkan kejenuhan dari metode pembelajaran secara konvensional; (2) hasil belajar siswa setelah penggunaan modul berbasis TGT adalah kurang dari KKM 70, karena hasil belajar siswa setelah penggunaan modul berbasis TGT mendapatkan rata-rata 66.04 yang berarti nilai kurang dari KKM 70. Pelaksanaan penelitian pengembangan modul supaya siswa aktif dan nilai hasil belajar di atas KKM, perlu diperhatikan adanya beberapa kelas yang kurang kondusif, banyaknya siswa yang tidak hadir dan tidak mau belajar, dan siswa baru mengenal modul yang berbasis TGT. Kata kunci: pengembangan modul, team game tournament, hasil belajar siswa. This research is motivated by the government's seriousness in developing human resources, lack of student understanding, learning systems and school infrastructure. By the time students are less active learning, teacher trouble distinguishing which students already know and do not, the need for facilities and infrastructure in SMK Negeri 1 Kediri so that students learn on their own with ease in an effort developed based modules Team Games Tournament (TGT). To determine the feasibility of the module that was developed after in the design need to be validated and experiment in SMK Negeri 1 Kediri. Before the test is required validation RPP and teachers also made RPP also before in experiment need to set up learning tools that have been validated. The type of research is Research and Development (R & D). The stage of research conducted the potential stage and problems, the data collection phase, the design phase of products, the validation stage, the stage of design revisions, and test phase of the product. The conclusions from the research are (1) the results of validation for the quality aspects of module TGT obtained by 75% included in the category of good, which means this module is feasible to provide an atmosphere of learning new to students with learning the game, so that students can eliminate boredom from learning method Conventional; (2) student learning outcomes after the use-based module KKM TGT is less than 70, because the results of the students' learning after the use-based modules TGT get an average of 66.04, which means a value of less than 70. The research KKM module development so that students are active and the value of learning outcomes above KKM, to note the existence of some classes that are less favorable, the number of students who did not attend and did not want to learn, and students new to the module-based TGT. Keywords: module development, team game tournament, the results of student learning.
Time Effort Prediction Of Agile Software Development Using Machine Learning Techniques Muchamad Bachram Shidiq; Gata, Windu; Kurniawan, Sigit; Saputra, Dedi Dwi; Panggabean, Supriadi
Inspiration: Jurnal Teknologi Informasi dan Komunikasi Vol. 13 No. 2 (2023): Inspiration: Jurnal Teknologi Informasi dan Komunikasi
Publisher : Pusat Penelitian dan Pengabdian Pada Masyarakat Sekolah Tinggi Manajemen Informatika dan Komputer AKBA Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35585/inspir.v13i2.57

Abstract

To run a software development project, an effective and efficient project management mechanism is needed to coordinate the activities carried out. The agile method was developed because there are several weaknesses in the classic method that can interfere with the course of the software development process according to user desires.  However, in applying agile methods, time effort estimation cannot be done properly. This can cause project managers to have difficulty preparing resources in software development in scrum projects. For this reason, this research aims to predict the time effort of agile software development using Machine Learning techniques, namely the Decision Tree, Random Forest, Gradient Boosting, and AdaBoost algorithms, as well as the use of feature selection in the form of RRelieff and Principal Component Analysis (PCA) to improve prediction accuracy. The best-performing algorithm uses Gradient Boosting k-fold validation with PCA with an MSE value of 2.895, RMSE 1.701, MAE 0.898, and R2 0.951.
The Impact of the Covid-19 Pandemic on the Physical Activity Level of the Elderly at the Health Center boy, Elman boy; Indrisefani, Risfa; Fadhilah, Rahmi; Adityas, Rizky; Fortuna, Jelita; Maulana, Arman; Kurniawan, Sigit; pangaribuan, Danty mandasari; Rianingsih, Rika; prasetyo, Anggi; harahap, Indah putri
MAGNA MEDICA Berkala Ilmiah Kedokteran dan Kesehatan Vol 9, No 2 (2022): August
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/magnamed.9.2.2022.96-102

Abstract

Backgrounds: Due to the COVID-19 cases that emerged in Indonesia, the government issued a regulation on community activity restrictions called the Enforcement of Community Activity Restrictions (PPKM). This PPKM rule causes the temporary cessation of services for the Chronic Disease Management Program (Prolanis) at the puskesmas such as prolanis gymnastics activities.As a result, it has a negative impact on the elderly, namely a decrease in physical activity behavior.Objectives:To assess the level of physical activity of the elderly based on age and gender during the COVID-19 pandemic.Methods:This study uses a non-experimental descriptive research design with a cross-sectional approach. Data collection has been obtained through the International Physical Activity Quitionaire-Short Form (IPAQ-SF). The analytical test that has been carried out is using the chi square test.Results:The results of the study reported that around 59.6% of the elderly experienced light physical activity during Covid-19. This shows that the elderly experienced a decrease in physical activity during the Covid-19 period.Conclusion:The Covid-19 pandemic causes the elderly to behave sedentarily and there is no difference in the level of physical activity in the age group and gender of Prolanis participants at the puskesmas.This study found a decrease in physical activity during the Covid-19 pandemic compared to physical activity before the Covid-19 pandemic.
A Controlled Gas-based Dehydrator for Drying Bananas in The Home Industry Amri, Iful; Kurniawan, Sigit; Gunova, Violla; Arianza, Yumi; Parida, Della Exsal
JMECS (Journal of Measurements, Electronics, Communications, and Systems) Vol. 10 No. 2 (2023): JMECS
Publisher : Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jmecs.v10i2.6826

Abstract

In order to increase the durability and quality of bananas, this research discusses the design of an economical gas-based dehydrator with the application of PID control for valves and gas, specifically for small and medium-scale home industries. The main objective was to develop a cost-effective and efficient solution for drying bananas without sacrificing nutritional quality and taste. The dehydrator system is designed using PID control to obtain accurate and precise temperatures during the drying process. The algorithm is that the PID control will regulate and adjust how much gas is released through the valve based on the difference between the desired and actual temperature in the drying room. The best constants of PID we get are P = 1, I = 2, and D = 3. By applying these constants, the time taken by the system to change a signal from 30oC to 100oC of temperature is about 5 minutes, with a maximum overshoot of about 10%. In addition, the system required 25 minutes to achieve a steady state with an error value of about 5% from the setpoint. From the results of this experiment, it would be declared that the performance of the dehydrator built has indicated good performance. The minimum temperature that could be generated by the dehydrator is 90oC, while the maximum temperature is set 150oC. The experiment shows that this dehydrator can reduce the water content of a 1-2 g banana fruit by up to 50% within 60 minutes and 26% for a 10 g banana fruit mass simultaneously. The results also show that the dehydrator maintained optimal banana fruit quality based on texture, colour, and taste. Thus, these results indicate the great potential of gas-based dehydrators with PID control as an innovative solution for the home fruit processing industry, offering a combination of efficiency and cost-effectiveness
Rancang bangun aplikasi it helpdesk berbasis web pada PT. Sinergi Adimitra Jaya Ruseno, Ndaru; Mulyana, Nana; Kurniawan, Sigit
Journal of Engineering, Technology and Computing (JETCom) Vol. 3 No. 2 (2024): JETCom (July 2024)
Publisher : Yayasan Bina Internusa Mabarindo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63893/jetcom.v3i2.257

Abstract

PT.Sinergi Adimitra Jaya is a company engaged in manufacturing diapers. The company's helpdesk is the first part that users contact when they have problems or questions related to IT. IT staff have problems when recording information on a form. The absence of an application to store information from forms into databases makes it difficult to trace the information data when needed. IT staff are also constrained in terms of assignments. Because the assignment is carried out when there is an incoming problem, it has not been adjusted to the problem category and IT expertise. Based on these problems, an application is needed so that users can convey their problems to IT, and can see the status of their handling. In addition, an application was also created for the process of dividing tasks when handling problems or work. For the design method, UML is used as visual modeling. The SWOT method is used to determine the problem analysis. The data collection method used in this study uses field studies in the form of interviews and observations and also literature studies from journals related to the problems discussed. With the creation of this system, it can improve the IT helpdesk service process to be more structured so that it makes it easier for users to submit problem complaints to IT and make it easier for IT in terms of assignments.
Pelatihan Desain Grafis Kepada Siswa SMK Muhammadiyah Jakarta Utara ruseno, ndaru; Muhidin, Muhidin; Kurniawan, Sigit; Irfansyah, Dicky; Yani, Ahmad
Jurnal Pengabdian kepada Masyarakat TEKNO (JAM-TEKNO) Vol 5 No 2 (2024): Desember 2024:
Publisher : Ikatan Ahli Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29207/jamtekno.v5i2.6058

Abstract

Canva merupakan salah satu aplikasi desain grafis berbasis daring yang biasa digunakan untuk media presentasi. Adanya pengenalan aplikasi Canva dapat membantu dan melatih peserta didik untuk memudahkan dalam membuat materi presentasi dengan baik. Kegiatan ini dilaksanakan di SMK Muhammadiyah 12 Jakarta Utara yang belum mengenal Canva. Kegiatan pengabdian masyarakat ini adalah upaya peningkatan pemahaman kepada peserta didik tentang cara membuat materi presentasi dengan baik menggunakan media Canva. Kegiatan ini dimulai dengan pemaparan materi kepada peserta didik kemudian pelatihan membuat materi presentasi dengan menggunakan Canva. Adanya pelatihan presentasi dan pelatihan menggunakan aplikasi Canva ini peserta didik diharapkan bisa menerapkannya di pembelajaran mata pelajaran yang mengharuskan presentasi dengan menggunakan media teknologi dan memanfaatkan pelatihan presentasi dengan baik. Dari hasil yang diketahui sebelum adanya pelatihan banyak peserta didik yang belum mengenal berbagai manfaat dari aplikasi Canva dan sesudah pelatihan peserta didik merasa puas dengan adanya pelatihan menggunakan aplikasi Canva serta mendapatkan pengalaman dan pengetahuan baru bagi peserta didik. Hal ini menunjukkan bahwa penggunaan aplikasi Canva bagi peserta didik sangat bermanfaat dan dapat meningkatkan keefektifan belajar bagi peserta didik.
LEGITIMASI SIMBOLIS DALAM PENGETAHUAN MEMBANGUN RUMAH ADAT TORAJA Pali, Richard Elisa Fernando; Ekomadyo, Agus S; Kurniawan, Sigit
Jurnal Arsitektur ARCADE Vol 7 No 1 (2023): Jurnal Arsitektur ARCADE Maret 2023
Publisher : Prodi Arsitektur UNIVERSITAS KEBANGSAAN

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Abstract

Abstract: Constructing process of traditional house requires knowledge, skill, material and technical expert by some actors.In Indonesia, Toraja societies have their own knowledge  to build their traditional. This research is purposed to explore actors’ roles, and knowledge distribution of Toraja traditional house constructing process. Based on tecnography approach, this research uses descriptive qualitative method to identify the making, distributed cognition and the construction of rules in this  construction. Data is collected through observation, interview and documentation. It is found that there are four main process in building Toraja tradistional house of: taking agreement, discussion, collecting material, and construction. There are also identified several significant actors: the big family, To Tumoke Buriak, Pandai Paliuk, Pandai Manarang, To Manarang, Pandai Nunu, Passura’ and society of around the traditional house. This research concludes that the actors’ role and their knowledge based authorities are framed by symbolic legitimation of Toraja culture. Actors’ positions are prequisites for constructed house are legitimated as Toraja traditional house or just common house.Abstrak: Dalam mendirikan rumah adat, diperlukan pengetahuan, kemampuan, dan keahlian teknik dan materialitas yang dimiliki oleh beberapa pelaku.Di Indonesia, masyarakat Toraja mempunyai pengetahuan khusus tentang rumah adat mereka. Penelitian ini bertujuan mengeksplorasi peran distribusi pengetahuan dari aktor yang terlibat dalam pembanguan rumah adat Toraja. Penelitian ini menggunakan metode kualitatif deskriptif dengan pendekatan teknografi, untuk mengidentifikasi proses pembuatan (the making), persebaran pengetahuan (distributed cognition) dan terbentuknya aturan (the construction of rules) dalam proses pembangunan tersebut. Data dikumpulkan lewat observasi, wawancara dan dokumentasi. Hasil penelitian menunjukkan bahwa ada 4 proses mendirikan rumah adat Toraja yaitu, proses pengambilan kesepakatan, proses musyawarah, proses pengumpulan material, dan proses konstruksi. Ditemukan juga beberapa aktor yaitu, rumpun keluarga, To Tumoke Buriak, To Manarang, Pandai Manarang, Pandai Paliuk, Pandai Nunu, Passura’ dan masyarakat sekitar rumah adat yang memiliki peran masing masing dalam proses mendirikan rumah adat Toraja. Penelitian ini menyimpulkan bahwa peran pelaku beserta pengetahuan untuk kewenangan mengambil keputusan ada dalam kerangka legitimasi simbolis budaya Toraja. Legitimasi ini menjadi penting, apakah suatu rumah yang terbangun akan dianggap sebagai rumah adat atau sekadar rumah biasa.
Analisis Automation, Keamanan, dan Kecepatan Jaringan 5G dalam Implementasi Internet of Things (IoT) Yani, Achmad; Irfansyah, Dicki; Kurniawan, Sigit; Muhidin, Muhidin
Journal of Mathematics and Technology (MATECH) Vol. 3 No. 2 (2024): Journal MATECH (November 2024)
Publisher : Yayasan Bina Internusa Mabarindo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63893/matech.v3i2.281

Abstract

The development of 5G technology presents great potential in the implementation of the Internet of Things (IoT) by increasing communication speed, data security, and process automation. This article analyzes the role of 5G networks in supporting the IoT ecosystem with a descriptive qualitative approach. The main focus of this study is how aspects of automation, security, and speed in 5G networks contribute to the efficiency and effectiveness of IoT systems in various industrial sectors. The results of the study show that 5G networks not only provide low latency and high throughput, but also face complex security challenges, which require innovative mitigation strategies. This study provides recommendations for the development of more resilient systems in dealing with cyber threats and optimizing IoT networks.
Co-Authors Adityas, Rizky ahmad yani Anggi Prasetyo Arianza, Yumi boy, Elman boy Ekomadyo, Agus S Fadhilah, Rahmi FORTUNA, JELITA Gata, Windu Gunova, Violla Harahap, indah Putri Hilda Porawati Husien.R, Alwi Azis Ida Ayu Putu Sri Widnyani Idris, Mahmud Iful Amri INDRISEFANI, RISFA Irfansyah, Dicki Irfansyah, Dicky Ismaya, Fikri Kusuma, Muhammad Romadhona Maulana, Arman Mazwan Mazwan Muchamad Bachram Shidiq Muhidin Muhidin Nana Mulyana Pali, Richard Elisa Fernando pangaribuan, Danty mandasari Panggabean, Supriadi Parida, Della Exsal Ramadhan, Abdul Wahid Fikry Rianingsih, Rika Ruseno, Ndaru Saputra, Dedi Dwi Sepdian, Sepdian Sepriyanto Sepriyanto, Sepriyanto Setyawan Purnomo Sakti Tanto Tanto Yani, Achmad