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All Journal Jurnal Jurusan Ilmu Keolahragaan Jurnal Online Mahasiswa (JOM) Bidang Ilmu Hukum Jurnal Informatika dan Teknik Elektro Terapan Jurnal Wawasan Yuridika Indonesian Journal of Chemistry Journal of Physical Education and Sports Sosio Dialektika Journal Sport Science, Healt and Tourism of Mandalika (Jontak) International Journal of Aviation Science and Engineering Indonesian Journal of Sport Management Journal of Applied Science, Engineering and Technology (J. ASET) Gelora: Jurnal Pendidikan Olahraga dan Kesehatan IKIP Mataram Indonesian Journal of Kinanthropology (IJOK) Jurnal Manajemen, Ekonomi, Hukum, Kewirausahaan, Kesehatan, Pendidikan dan Informatika (MANEKIN) Buletin Pengabdian Multidisiplin Bulletin of Chemical Reaction Engineering & Catalysis International Journal of Economics and Management Research Cendekia : Jurnal Pendidikan dan Pengajaran
Rian Kurniawan
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Systematic Comparison of Machine Learning Model Accuracy Value Between MobileNetV2 and XCeption Architecture in Waste Classification System Mulyani, Yessi; Kurniawan, Rian; Budi Wintoro, Puput; Komarudin, Muhammad; Mugahed Al-Rahmi, Waleed
International Journal of Aviation Science and Engineering - AVIA Vol. 4, No. 2 (December 2022)
Publisher : FTMD Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47355/avia.v4i2.70

Abstract

Garbage generated every day can be a problem because some types of waste are difficult to decompose so they can pollute the environment. Waste that can potentially be recycled and has a selling value is inorganic waste, especially cardboard, metal, paper, glass, plastic, rubber and other waste such as product packaging. Various types of waste can be classified using machine learning models. The machine learning model used for classification of waste systems is a model with the Convolutional Neural Network (CNN) method. The selection of the CNN architecture takes into account the required accuracy and computational costs. This study aims to determine the best architecture, optimizer, and learning rate in the waste classification system. The model designed using the MobileNetV2 architecture with the SGD optimizer and a learning rate of 0.1 has an accuracy of 86.07% and the model designed using the Xception architecture with the Adam optimizer and a learning rate of 0.001 has an accuracy of 87.81%.
STUDY OF XCEPTION MACHINE LEARNING ARCHITECTURE IN WASTE CLASSIFICATION SYSTEM Mulyani, Yessi; Budi Wintoro, Puput; Komarudin, M.; Kurniawan, Rian
Journal of Applied Science, Engineering and Technology Vol. 2 No. 2 (2022): December 2022
Publisher : INSTEP Network

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

Abstract

Garbage generated every day can be a problem because some types of waste are difficult to decompose so they can pollute the environment. Waste that can potentially be recycled and has a selling value is inorganic waste, especially cardboard, metal, paper, glass, plastic, rubber and other waste such as product packaging. Various types of waste can be classified using machine learning models. The machine learning model used for classification of waste systems is a model with the Convolutional Neural Network (CNN) method. The selection of the CNN architecture takes into account the required accuracy and computational costs. This study aims to determine the best architecture, optimizer, and learning rate in the waste classification system. The model designed using the Xception architecture with the Adam optimizer and a learning rate of 0.001 has an accuracy of 87.81%.
PENGARUH LATIHAN DECLINE HOP TERHADAP KEMAMPUAN SHOOTING DALAM PERMAINAN SEPAKBOLA PADA ADIK FC DESA APITAIK KECAMATAN PRINGGABAYA KABUPATEN LOMBOK TIMUR Rian Kurniawan
Journal Sport Science, Health and Tourism of Mandalika (Jontak) e-ISSN 2722-3116 Vol. 1 No. 1 (2020)
Publisher : Institut Penelitian Dan Pengambangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/jontak.v1i1.50

Abstract

Penelitian ini bertujuan untuk mendeskrifsikan pengaruh latihan decline hop terhadap kemampuan shooting dalam permainan sepakbola karena masalah yang ada dalam penelitian ini adalah masih rendahnya kemampuan shooting para pemain ADIK FC Desa Apitaik Kecamatan Peringgabaya Kabupaten Lombok Timur, Subyek penelitian ini seluruh pemain ADIK FC yang berjumlah 20 orang, Instrumen dalam penelitian ini adalah bola, stop watch, gawang sepakbola, tali, nomor-nomor. Teknik analisis data yang digunakan adalah analisis statistik dengan rumus t-test Dari analisis data menggunakan rumus t-test didapat hasil t-hitung adalah 0,326 sedangkan t-tabel dengan taraf signifikan 5%, N=20 adalah 2,093, dengan Kenyataan ini menunjukan bahwa t-hitung lebih kecil dari pada t-tabel sehingga dapat dikemukakan Hipotesis nihil (Ho) diterima dan Hipotesis alternatif (Ha) ditolak. Maka kesimpulan analisa dalam penelitian ini adalah “tidak ada pengaruh latihan decline hop terhadap kemampuan shooting dalam permainan sepakbola pada ADIK FC Desa Apitaik Kecamatan Pringgabaya Kabupaten Lombok Timur”.
Manajemen Pembinaan PBVSI Cabang Olahraga Bola Voli Pantai Di Kabupaten Kendal Tahun 2023 Kurniawan, Rian
SOSIO DIALEKTIKA Vol 9, No 2 (2024)
Publisher : LP2M

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/sd.v9i2.12792

Abstract

Penelitian ini dilatar belakangi dengan belum diketahui manajemen pembinaan PBVSI cabang olahraga bola voli pantai di kabupaten kendal tahun 2023. Penelitian ini bertujuan untuk mengetahui manajemen pembinaan bola voli pantai di kabupaten kendal 2023 berdasarkan fungsi manajemen dari aspek Planning (Perencanaan), Coordinating (Pengkoordiasian), Leading (Kepemimpinan) dan Controlling (Pngawasan). Penelitian ini merupakan penelitian deskriptis kualitatif dengan teknik pengambilan data menggunakan Observasi, Wawancara dan Dokumentasi. Responden dalam penelitian ini yaitu pengurus 2, pelatih 2 dan atlet 2. Untuk tahap pengolah data meliputi reduksi data, penyajian data, interpretasi data dan penarikan kesimpulan. Hasil dari penelitian manajemen pembinaan PBVSI cabang olahraga bola voli pantai di kabupaten kendal tahun 2023 ini, meliputi Perencanaan, Keorganisasian, Kepemimpinan dan pengawasan. Perencanaan di PBVSI Kendal cukup baik. Kepemimpinan PBVSI Kendal cukup baik. Keorganisasian di PBVSI Kendal sudah cukup baik. Pengawasan di PBVSI Kendal belum berjalan dengan baik. Dapat disimpulkan bahwa menajemen pembinaan PBVSI cabang olahraga bola voli pantai di kabupaten kendal tahun 2023 dari aspek Perencanaan, Keorganisasian, Kepemimpinan dan Pengawasan sudah cukup baik.
Synthesis of Zinc-Nitrogen-Codoped Zirco-Titania Composite (Zn-N-Codoped ZT) as a Photocatalyst for Photodegradation of Phenol Under Visible Light Irradiation Utami, Nadya Putri; Kurniawan, Rian; Pradipta, Mokhammad Fajar; Syoufian, Akhmad
Indonesian Journal of Chemistry Vol 25, No 4 (2025)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.101519

Abstract

Zinc (Zn) and nitrogen (N) were introduced as codopants in zirco-titania (Zn-N-codoped ZT) composite photocatalyst. This research primarily aimed to investigate the codoping effect of Zn and N in ZT composite for the photodegradation of phenol under visible light irradiation. The composite was prepared through the sol-gel method, where a suspension of ZrO2 mixed with Zn dopant (wZn/wTi = 1–9%) and N dopant (wN/wTi = 10%) was added dropwise to TTIP in ethanol solution. Calcination was conducted at the temperature of 500, 700, and 900 °C. FTIR shows an increasing absorbance at 1095 cm−1 as the increasing Zn up to 5%. XRD reveals that Zn-N cooping influences anatase and rutile crystallization above 700 °C. SEM-EDX of 5Zn-N-ZT-500 displays a spherical and homogeneous morphology. Photodegradation of 10 mg L−1 phenol solution under visible light irradiation was conducted to evaluate the photocatalytic activity. The composite with 5% Zn and 10% N calcined at 900 °C achieved the lowest band gap of 2.90 eV. The highest phenol degradation percentage after 120 min irradiation, 51.96%, was attained by the composite containing 5% Ni and 10% N calcined at 500 °C (kobs = 8.4 × 10−3 min−1).
IMPLEMENTASI ARSITEKTUR XCEPTION PADA MODEL MACHINE LEARNING KLASIFIKASI SAMPAH ANORGANIK Kurniawan, Rian; Wintoro, Puput Budi; Mulyani, Yessi; Komarudin, Muhamad
Jurnal Informatika dan Teknik Elektro Terapan Vol. 11 No. 2 (2023)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v11i2.3034

Abstract

Sampah yang dihasilkan setiap hari dapat menjadi masalah karena beberapa jenis sampah sulit terurai sehingga dapat mencemari lingkungan. Sampah yang berpotensi dapat didaur ulang dan memiliki nilai jual adalah sampah anorganik terutama sampah kardus, logam, kertas, kaca, plastik, karet dan sampah lainnya seperti kemasan produk. Berbagai jenis limbah dapat diklasifikasikan menggunakan model pembelajaran mesin. Model pembelajaran mesin yang digunakan untuk klasifikasi sistem limbah adalah model dengan metode Convolutional Neural Network (CNN). Pemilihan arsitektur CNN memperhitungkan akurasi yang diperlukan dan biaya komputasi. Penelitian ini bertujuan untuk menentukan arsitektur, pengoptimal, dan laju pembelajaran terbaik dalam sistem klasifikasi limbah. Model yang dirancang menggunakan arsitektur Xception dengan Adam optimizer dan learning rate 0,001 memiliki akurasi sebesar 87,81%.
PENINGKATKAN HASIL BELAJAR SENAM KETANGKASAN MENGGUNAKAN MEDIA KARDUS PADA PESERTA DIDIK KELAS V SEKOLAH DASAR lusiana, lusiana; Priyanto, Catur Wahyu; Kurniawan, Rian; Helmi, Boby
Gelora : Jurnal Pendidikan Olahraga dan Kesehatan IKIP Mataram Vol. 11 No. 2 (2024): SEPTEMBER
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/gjpok.v11i2.13069

Abstract

Penelitian ini bertujuan untuk mengukur efektivitas penggunaan media kardus sebagai alat bantu dalam pembelajaran senam lompat kangkang pada siswa kelas V SDN Kedungwuluh VI Purwokerto. Penelitian ini menggunakan metode penelitian tindakan kelas yang dilaksanakan dalam dua siklus, dengan setiap siklus melibatkan penilaian aspek kognitif, afektif, dan psikomotorik siswa. Subjek yang digunakan dalam penelitian ini adalah siswa kelas V SDN Kedungwuluh VI Purwokerto sebanyak 37 siswa. Hasil penelitian menunjukkan peningkatan yang signifikan pada kemampuan siswa dalam memahami dan melaksanakan teknik lompat kangkang. Pada aspek kognitif, sebanyak 67,57% siswa menunjukkan pemahaman yang baik terhadap gerakan senam, sementara aspek afektif dan psikomotorik juga mengalami peningkatan, masing-masing mencapai 51,35% dan 67,57% pada kategori baik. Penggunaan media kardus terbukti efektif dalam meningkatkan hasil belajar siswa, terutama dalam konteks keterbatasan sarana dan prasarana. Temuan ini memberikan kontribusi praktis bagi pendidikan jasmani di sekolah dasar, dengan menunjukkan bahwa alat bantu sederhana dapat meningkatkan keterlibatan dan hasil belajar siswa. Penelitian ini merekomendasikan penggunaan media kardus sebagai solusi alternatif yang inovatif untuk mendukung pembelajaran fisik di sekolah dasar.
Analysis of the Implementation of Payroll Deductions for Civil Servants (ASN) on Zakat Payment Compliance Rian Kurniawan; Ridwansyah Ridwansyah; Syamsul Hilal
International Journal of Economics and Management Research Vol. 4 No. 1 (2025): : International Journal of Economics and Management Research
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/ijemr.v4i1.416

Abstract

The purpose of this study is to examine the mechanism of implementing payroll deductions for civil servants (ASN) in South Lampung in relation to zakat payment compliance in South Lampung Regency, as well as to determine whether the payroll deduction mechanism is in accordance with Islamic principles. This research employs a qualitative approach. The results of the study conclude that the implementation of payroll deductions, based on the circular letter from the Regent, has not had an impact on the zakat payment compliance of South Lampung ASN. Moreover, the payroll deduction mechanism does not yet align with the proper conditions for zakat payment. The payroll deduction for South Lampung ASN cannot be considered as genuine zakat, as not all civil servants in South Lampung receive a salary or allowance amounting to seven million rupiah, which is the threshold for professional zakat (zakat on income).
IMT (INDEKS MASSA TUBUH) MAHASISWA PENDIDIKAN KEPELATIHAN OLAHRAGA IKIP PGRI KALTIM Achmad Maulana; Rian Kurniawan; Helly Ampera; Hesti Hasanah; Hendri
CENDIKIA Vol 4 No 1 (2021): CENDEKIA
Publisher : IKIP PGRI KALIMANTAN TIMUR

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

Abstract

Tujuan dari penelitian ini adalah untuk mengetahui hasil IMT mahasiswa Program Studi Pendidikan Kepelatihan Olahraga IKIP PGRI Kaltim. Penelitian ini menggunakan metode penelitian kualitatif yaitu, “suatu penelitian yang berusaha menggambarkan peristiwa-peristiwa dan kejadian serta gejala (fenomena) yang ada pada masa sekarang. Berdasarkan hasil penelitian, analisis dan pengolahan data, maka dapat ditarik kesimpulan bahwa hasil IMT mahasiswa Program Studi Pendidikan Kepelatihan Olahraga IKIP PGRI Kaltim, antara lain: memiliki rata-rata tinggi badan 162 cm dengan tinggi badan tertinggi 170 cm dan terpendek 150 cm. hasil pengukuran berat badan memiliki nilai rata-rata 62 Kg dengan berat badan terberat 89 Kg dan berat badan teringan 46 Kg.
Effect of Nickel Incorporation on Nitrogen-Doped Titania/Zirconia Nanocomposites for Enhanced Visible-Light Photocatalytic Degradation of Phenol Syoufian, Akhmad; Saviola, Aldino Javier; Janah, Reza Rodhatul; Afifah, Rina; Wijaya, Karna; Kurniawan, Rian; Sudiono, Sri; Oh, Won-Chun; Wangsa, Wangsa
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 2 Year 2026 (August 2026)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20529

Abstract

The rapid expansion of industrial activities has resulted in the discharge of persistent organic pollutants, such as phenol, into aquatic environments. Nowadays, developing visible-light-responsive photocatalysts for the efficient degradation of such pollutants remains a major environmental challenge. In this study, nickel–nitrogen co-doped titania immobilized on zirconia (Ni,N–TiO₂/ZrO₂) nanocomposites with varying nickel loadings were synthesized and evaluated for phenol photodegradation under visible-light irradiation. Nickel incorporation significantly modified the optical and photocatalytic properties of the materials. The 5% Ni,N–TiO₂/ZrO₂ catalyst exhibited the lowest band gap energy (2.69 eV) compared with N–TiO₂/ZrO₂ (3.03 eV), leading to improved visible-light absorption and enhanced charge transfer. Under the experimental conditions (initial phenol concentration = 10 mg.L⁻¹, catalyst dosage = 100 mg, irradiation time = 120 min), it achieved a phenol removal efficiency of 85.36% with an apparent rate constant of 0.0229 min⁻¹, outperforming N–TiO₂/ZrO₂ (40.72%, 0.0042 min⁻¹). These results confirm that a 5 wt% nickel loading provides the most effective modification, demonstrating a strong synergistic interaction between nickel and nitrogen that enhances photocatalytic activity. The developed Ni,N–TiO₂/ZrO₂ catalyst, therefore, holds significant promise for future applications in water purification and environmental remediation. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Co-Authors Achmad Maulana Afifah, Rina Akhmad Syoufian Aminudin, Ahmad Nanang Arif Aprianti, RR Noer Indah Azekawati Juningsih, Dessy Boby Helmi Budi Wintoro, Puput Catur Wahyu Priyanto Dian Listiarini Endang Sri Hanani, Endang Sri ENDRI ENDRI Erdiansyah ' Erdianto Effendi Helly Ampera Hesti Hasanah Janah, Reza Rodhatul Jessyca Karna Wijaya Karsa, Baso Agam Komarudin, M. lindah, lindah Listyarini, Dian Lusiana Lusiana Mokhammad Fajar Pradipta Mugahed Al-Rahmi, Waleed Muhamad Komarudin Muhammad Komarudin Muhammad Komarudin Muhlisin Muhlisin Mulyani, Yessi Nadya Putri Utami Nugroho, Irfan Adi Nur Wakit Oh, Won-Chun Puput budi wintoro Puput Budi Wintoro, Puput Budi Ridwansyah Ridwansyah Saviola, Aldino Javier Setya Rahayu Shauma, Faizal Sri Sudiono SUSANTI Syamsul Hilal Syamsul Ma'arif Waleed Mugahed Al-Rahmi Wangsa, Wangsa Yudhi Purnama Yudhi Purnama