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All Journal International Journal of Electrical and Computer Engineering Sainteks Jurnal Ilmu Komputer dan Informasi Jurnal Teknik Elektro Jurnal Edukasi dan Penelitian Informatika (JEPIN) Prosiding Semnastek Semesta Teknika Suhuf Jurnal Ilmiah KOMPUTASI Knowledge Engineering and Data Science Wikrama Parahita : Jurnal Pengabdian Masyarakat Jurnal Pilar Nusa Mandiri Indonesian Journal of Information System Dinamisia: Jurnal Pengabdian Kepada Masyarakat JMM (Jurnal Masyarakat Mandiri) Justek : Jurnal Sains Dan Teknologi CARADDE: Jurnal Pengabdian Kepada Masyarakat JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat) Sang Pencerah: Jurnal Ilmiah Universitas Muhammadiyah Buton Infotekmesin Journal of Information Systems and Informatics RADIAL: JuRnal PerADaban SaIns RekAyasan dan TeknoLogi JIKA (Jurnal Informatika) Community Empowerment Journal of Telecommunication, Electronics and Control Engineering (JTECE) Insearch: Information System Research Journal KERNEL: Jurnal Riset Inovasi Bidang Informatika dan Pendidikan Informatika Jurnal Nasional Teknik Elektro dan Teknologi Informasi Jutech: Jurnal Teknologi Informasi Malcom: Indonesian Journal of Machine Learning and Computer Science J-Icon : Jurnal Komputer dan Informatika Science and Technology: Jurnal Pengabdian Masyarakat Journal of Informatics and Information Security Prosiding SeNTIK STI&K Sasambo: Jurnal Abdimas (Journal of Community Service) RADIAL: Jurnal Peradaban Sains, Rekayasa dan Teknologi Journal of Computer Science Advancements
Widi Hastomo
Institut Teknologi Dan Bisnis Ahmad Dahlan
Agriculture, Biological Sciences & Forestry Arts Humanities 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 Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Optimizing Random Forest Models for Early Detection of Defects in Steel Tri Surawan; Adhitio Satyo Bayangkari Karno; Widi Hastomo; Reza Fitriansyah; Ahmad Eko Saputro; Indra Bakti
Journal of Informatic and Information Security Vol. 5 No. 1 (2024): Juni 2024
Publisher : Program Studi Informatika, Fakultas Ilmu Komputer Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/amqxgn78

Abstract

In the manufacturing sector, steel plate defects are a severe issue that may result in significant losses for a company's finances and image. The purpose of this study is to evaluate how well three machine learning algorithms detect steel plate flaws. The accuracy, area under the ROC curve (ROC-AUC), and Log-Loss of the method were used to assess its performance using a dataset that was downloaded from www.kaggle.com. Based on the findings, the Random-Forest algorithm performed best overall, having the lowest Log-Loss of 0.9327, an accuracy of 0.6722, and an AUC value of 0.9222. Research using other algorithms is still very open to be carried out to get better results. Research utilizing other algorithms is still very much open to be conducted in order to get better outcomes.
ENHANCING SOLAR ENERGY EFFICIENCY: PREDICTIVE MODELING WITH XGBOOST AND LINEAR REGRESSION Hastomo, Widi; Digdoyo, Aji; Bayangkari Karno, Adhitio Satyo; Arif, Dodi
Jurnal Informatika Vol 9, No 1 (2025): JIKA (Jurnal Informatika)
Publisher : University of Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jika.v9i1.12713

Abstract

Abstract Improving the reliability of the power grid system and operational efficiency is essential to facing future energy challenges. This study aims to provide added value to the management of the power grid, especially solar photovoltaic power plants (PLTS), by developing a more accurate predictive model for estimating energy output. By utilizing two real-time data sets, namely weather data and PLTS data, as well as machine learning methods, this study compares the performance of the XGBoost and Linear Regression (LR) models. We built the model to overcome high variability in energy output and maintain the stability of the power grid. The results show that XGBoost has a better performance with an MAE value of 38.08 compared to linear regression, which has an MAE of 80.23, indicating the superiority of XGBoost in predicting PLTS energy output. This study also opens up opportunities for further research with a focus on the application of other models such as random forests and neural networks, as well as improving data quality and parameter optimization to further improve prediction reliability and operational efficiency. The best-performing XGBoost model enables more efficient energy utilization and enhances the operational efficiency of PV solar power plants.
Long Short Term Memory Machine Learning Untuk Memprediksi Akurasi Nilai Tukar IDR Terhadap USD Widi Hastomo; Adhitio Satyo; Sudjiran
Prosiding Seminar SeNTIK Vol. 3 No. 1 (2019): Prosiding SeNTIK 2019
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

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Abstract

Long Short Term Memory Machine Learning Untuk Memprediksi Akurasi Nilai Tukar IDR Terhadap USD
KLASIFIKASI COVID-19 CHEST X-RAY DENGAN TIGA ARSITEKTUR CNN (RESNET-152, INCEPTIONRESNET-V2, MOBILENET-V2) Widi Hastomo; Eko Hadiyanto; Sutarno
Prosiding Seminar SeNTIK Vol. 5 No. 1 (2021): Prosiding SeNTIK 2021
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

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Abstract

Dalam dekade terakhir ini pemanfaatan mesin learning, khususnya Convolution Neural Network (CNN) telah banyak membantu dunia kesehatan. Dengan melakukan proses pelatihan dari sejumlah besar dataset image, CNN mampu mengklasifikasikan image tak berlabel dengan cepat dan akurasi lebih tinggi dibandingkan metode mesin learning lainnya. Penelitian ini bertujuan mengoptimasi dari tiga arsitektur CNN (ResNet-152, InceptionResNet-V2, dan MobileNet-V2) untuk mengklasifikasi penyakit covid-19, dengan melakukan training 4000 dataset image Chest x-ray. Hasil akurasi testing dari ResNet-152 yaitu 99%, lebih tinggi dibangingkan InceptionResNet-V2 hasil 98%, dan MobileNet-V2 hasil 93%. dengan presisi tiap kelas adalahCovid (99%), Lung_Opacity (97%), Normal (99%), Viral_Pneumonia (99%)
OPTIMALISASI DATA TERBATAS PREDIKSI JANGKA PANJANG COVID-19 DENGAN KOMBINASI LSTM DAN GRU Adhitio Satyo Bayangkari Karno, Widi Hastomo dan Sutarno
Prosiding Seminar SeNTIK Vol. 4 No. 1 (2020): Prosiding SeNTIK 2020
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

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Abstract

OPTIMALISASI DATA TERBATAS PREDIKSI JANGKA PANJANG COVID-19 DENGAN KOMBINASI LSTM DAN GRU
OPTIMASI PORTOFOLIO DAN PREDIKSI CRYPTOCURRENCY MENGGUNAKAN DEEP LEARNING DALAM BAHASA PYTHON Adhitio Satyo Bayangkari Karno, Widi Hastomo, Dodi Arif dan Eka Sally Moreta
Prosiding Seminar SeNTIK Vol. 4 No. 1 (2020): Prosiding SeNTIK 2020
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

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Abstract

OPTIMASI PORTOFOLIO DAN PREDIKSI CRYPTOCURRENCY MENGGUNAKAN DEEP LEARNING DALAM BAHASA PYTHON
KEMAMPUAN LONG SHORT TERM MEMORY MACHINE LEARNING DALAM PROYEKSI SAHAM BANK BRI TBK Widi Hastomo, Aminudin dan Adhitio Satyo Bayangkari Karno
Prosiding Seminar SeNTIK Vol. 4 No. 1 (2020): Prosiding SeNTIK 2020
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

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KEMAMPUAN LONG SHORT TERM MEMORY MACHINE LEARNING DALAM PROYEKSI SAHAM BANK BRI TBK
SISTEM PENGGERAK PANEL SURYA OTOMATIS MENGIKUTI CAHAYA MATAHARI BERBASIS ARDUINO UNO Sashmita Salsabeela, Mochammad Radja Brojas, Widi Hastomo dan Reinhard Alexander Kupa
Prosiding Seminar SeNTIK Vol. 4 No. 1 (2020): Prosiding SeNTIK 2020
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

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SISTEM PENGGERAK PANEL SURYA OTOMATIS MENGIKUTI CAHAYA MATAHARI BERBASIS ARDUINO UNO
DESIGNING AN INFORMATION SYSTEM INTEGRATION ENTERPRISE ARCHITECTURE WITH THE TOGAF FRAMEWORK IN THE OIL AND GAS BUSINESS UNIT CASE STUDY: PT PWS Ervina Nisfiani, Mochammad Radja Brojas dan Widi Hastomo
Prosiding Seminar SeNTIK Vol. 4 No. 1 (2020): Prosiding SeNTIK 2020
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

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Abstract

DESIGNING AN INFORMATION SYSTEM INTEGRATION ENTERPRISE ARCHITECTURE WITH THE TOGAF FRAMEWORK IN THE OIL AND GAS BUSINESS UNIT CASE STUDY: PT PWS
FINGERPRINT BERBASIS ARDUINO, RADIO FREQUENCY IDENTIFICATION DAN KEYPAD UNTUK PINTU KEAMANAN BERLAPIS Mochammad Radja Brojas, Widi Hastomo dan Diyah Rury Irawati
Prosiding Seminar SeNTIK Vol. 4 No. 1 (2020): Prosiding SeNTIK 2020
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

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FINGERPRINT BERBASIS ARDUINO, RADIO FREQUENCY IDENTIFICATION DAN KEYPAD UNTUK PINTU KEAMANAN BERLAPIS
Co-Authors Adhitio Bayangkari Satyo Karno Adhitio Satyo Adhitio Satyo Bayangkari Karno Adhitio Satyo Bayangkari Karno Adhitio Satyo Bayangkari Karno Agita Tunjungsari Ahmad Eko Saputro Ahmad Eko Saputro Ahmad Eko Saputro Aji Digdoyo Aji Digdoyo Ambardi Ambardi Ambardi Ambardi Ambardi, Ambardi Aminudin Ardana, Nandika Bayu Arif, Dody Aryo Nur Utomo Aulia Nurhidayati Azis, Nur Bakti, Indra Basri, Lody Saladin Bayangkari Karno, Adhitio Satyo Chufran, Indra Bakti Daruningsih, Kukuh Deon Strydom Deswandi, Arief Dhea Ananda Putri Diana Yusuf Digdoyo, Aji Dodi Arif Dodi Arif Dody Arif Eka Sally Moreta Eka Sally Moreta Eko Ahmad Eko Ahmad Eko Hadiyanto Elliya Sestri Eva Karla, Eva Fahrul Razi Fahrul Razi Faqihudin Faqihudin Fiedha Nasution Fiqhri, Zul Fitriyani Fitriyani Handayani, Sri Setya Harini Agusta Holmes Rolandy Kapuy Hudaa, Syihaabul Ibadu Rahman Ignatius Joko Dewanto, Ignatius Joko Indra Bakti Indra Sari Kusuma Wardhana Indra Sari Kusuma Wardhana Indra Sari Kusuma Wardhana Ire Puspa Wardhani Iwan Setiawan Kalbuana, Nawang Kamilia, Nada Kardian, Aqwam Rosadi Karno, Adhitio Satyo Bayangkari Kasoni, Dian Kusuma Wardhana, Indra Sari Linda Wahyu Widianti LM Rasdi Rere LM Rasdi Rere Lussiana ETP Lyscha Novitasari Maratus Soleha Masriyanda, Masriyanda Meika Syahbana Rusli Muhammad Mardani Nada Kamilia Nada Kamilia Nada Kamilia Nani Kurniawati Nia Yuningsih Nia Yuningsih Nisfiani, Ervina Nur Aini Putra, Yoga Rarasto Putri , Basmallah Ramadhani Aisyah Rasyiddin, Ahmad Rere, L.M Rasdi Reza Fitriansyah Reza Fitriansyah Rudy Yulianto Rudy Yulianto Saputro, Ahmad Eko Serly Maeda Sestri, Elliya Sestri, Ellya Setiawati, Popong Shevti Arbekti Arman Soegijanto Soegijanto Stevianus Stevianus Sudarto Usuli Sudarwanto, Pantja sudjiran Sudjiran Sukardi, Sukardi Sundoro, Aries Surawan, Tri Sutarno Sutarno Sutarno Sutarno Sutarno Syamsu, Muhajir Syihaabul Hudaa Tri Surawan Tri Surawan Vany Terisia Wardhana , Indra Sari Kusuma Yayat Sujatna Yayat Sujatna Yayat Sujatna, Yayat Yoga Rarasto Putra Yoga Rarasto Putra Yoga Rarastro Putra Yulianti Muthmainnah Yuningsih, Nia Yusuf Yusuf YUSUF, DIANA Zahwa Zia Asy-Syifa