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Development of Rice Husk Ash as Sustainable Sand Dice Considering to Permeability Characteristic Yusron, Rifky Maulana; Hidayat, Khoirul; Rifai, Emon
Widya Teknik Vol. 24 No. 1 (2025): May
Publisher : Fakultas Teknik, Universitas Katolik Widya Mandala Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33508/wt.v24i1.6082

Abstract

Through unwavering professionalism and adherence to ethical standards, our engineering team is at the forefront of sustainable development, utilizing advanced technology and innovative sand-casting techniques to create environmentally-friendly solution. Sand-casting offers material flexibility over large part capabilities on low volume production. This method also offers lower casting costs and generates less carbon print. Currently, sand casting use water, bentonite, and quartz sand as dice materials. Researchers are looking for to find quartz sand substitution materials because they are not sustainable and expensive. Rice-husk ass is a waste post-harvesting material, it had silica and magnesium oxide which has characteristics similar to quartz sand. The aim of this research is to observe permeability characteristic of sand dice with rice-husk ass and bentonite percentage additive mixture. This research using full factorial 32 as experimental design.  The independent variable on this research is composition of rice husk ass and bentonite.  The composition of rice husk ash has 3 levels of 6%, 8% and 10%. bentonite composition also has similar level but different levels of 8%, 9% and 10%. The lowest permeability is 320 ml/min, it achieved on 6% rice husk ash and 8% bentonite at second replication. Meanwhile, the highest value of permeability is 450ml/min, it achieved on 10% rice husk ash and 10% bentonite. The results of data processing using descriptive statistics reveal composition mixture of rice husk ass and bentonite is directly proportional. The higher composition of rice husk ash mixture increasing permeability on sand casting dice. General linear Model ANOVA analyse show that composition rice husk ass and bentonite have significant influence to permeability of sand-casting dice. Result of analyse show rice husk ass has dominant contribution on permeability on sand casting dice. Contribution of rice husk ass is 58,78%, bentonite 22,03% prior to permeability on sand casting dice.
PEMBERDAYAAN KELOMPOK TANI ASUNG KAMULYAN MELALUI INOVASI TEKNOLOGI MESIN PEMANEN PADI Hidayat, Khoirul; Firmansyah, R. Arief; Yaskun, Mohammad
Jurnal Likhitaprajna Vol 9 No 1 (2025)
Publisher : FKIP Universitas Wisnuwardhana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37303/peduli.v9i1.710

Abstract

Asung Kamulyan Farmer Group is one of the farmer groups in Sidomulyo Village, Mantup District, Lamongan Regency. Rice harvesting in Sidomulyo Village is done traditionally using a sickle and then threshed using a threshing machine to separate the rice grains from the rice stalks which produces waste called straw. Problems in the production aspect, partners experience difficulties during harvesting activities because the number of available harvesters decreases. The method used is the action research method, namely taking action based on the results of observations and discussions with partners. The results of this activity, from the production aspect, there is an ergonomic rice harvesting machine used by the community which can increase harvesting productivity from 2 m²/minute to 10 m²/minute or an increase of 5 times. In addition, there is an SOP for operation, maintenance, and resolution of other obstacles (troubleshot) as material that can be used to ensure that the use of the technology provided continues to provide benefits. In addition, partners can arrange the rental schedule for ergonomic harvesting machines and their financial management, so that farmer groups have other sources of income from renting and maintaining harvesting machines
Kolaborasi Mahasiswa dan Warga dalam Membangun Desa Sukamekar yang Tangguh Suminar S, Ratna; Febrian, Febrian; Tambunan, Monifa Geraldin; Rifai, Abil; Maulana, Sofyan Fajar; Firdias I, Achmad; Naibaho, Erwan; Ibrah Prayogo, Dhian; Riansyah, Rizqy; Setiawan, Faiq Rizqi; Hidayat, Khoirul
Bima Abdi: Jurnal Pengabdian Masyarakat Vol. 5 No. 3 (2025): Bima Abdi: Jurnal Pengabdian Masyarakat
Publisher : Yayasan Pendidikan Bima Berilmu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53299/bajpm.v5i3.2440

Abstract

Permasalahan utama yang diidentifikasi mencakup genangan air, kurangnya promosi UMKM, minimnya ruang kreativitas anak-anak, dan risiko kecelakaan lalu lintas di titik rawan. Metode pelaksanaan program meliputi pendekatan partisipatif dan kolaboratif dengan warga, seperti kegiatan mewarnai bersama anak-anak, pemasangan banner UMKM, pembuatan sumur biopori, dan pemasangan kaca cembung di area rawan kecelakaan. Metode evaluasi kegiatan dilakukan melalui observasi langsung, pencatatan hasil, serta dokumentasi foto sebelum dan sesudah kegiatan untuk menilai ketercapaian tujuan. Hasil kegiatan menunjukkan bahwa seluruh program kerja dapat terlaksana sesuai rencana dan mendapat respon positif dari warga. Kegiatan mewarnai berhasil meningkatkan kreativitas anak-anak, banner UMKM meningkatkan visibilitas usaha lokal, sumur biopori membantu mengurangi genangan air, dan kaca cembung meningkatkan keselamatan jalan. Kesimpulan dari pelaksanaan KKN ini menunjukkan bahwa kolaborasi aktif mahasiswa dan warga mampu menghasilkan solusi aplikatif terhadap masalah lokal serta meningkatkan kesadaran dan partisipasi masyarakat dalam pembangunan desa.
Perbandingan Metode Kansei Engineering, Quality Function Deployment, Value Engineering Dalam Pengembangan Mesin Pemanenan Padi Hidayat, Khoirul; Nur Prasetyo, Rifan Dwi; Firmansyah, Arief
INVANTRI (Inovasi Dan Pengelolaan Industri) Vol 4 No 1 (2024): September
Publisher : Teknik Industri, Fakultas Teknik, Universitas Hasyim Asy'ari

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

Abstract

Indonesia is an agricultural country where 40% of the population's livelihood is farming. Agrarian potential in Indonesia is very high because of the fertile soil. The fertile agricultural land in Indonesia is due to the country's location in an area with a tropical climate and Indonesia has many mountains. Most farmers in Indonesia still carry out the harvesting process manually, especially when threshing rice seeds from the stalks. The rice harvesting process that still uses manual methods can cause problems for farmers and also result in relatively low productivity. The process of harvesting rice using a sickle is still widely carried out because rice harvesting machines have not yet been created suitable for existing agricultural land in Indonesia, where agricultural land in Indonesia is generally narrow with undulating topographic conditions. This research aims to compare methods for developing rice harvesting machines. The method used in this research is to compare the Kansei Engineering, Quality Function Deployment, and Value Engineering methods. The results of this research indicate that the Kansei Engineering method is a suitable method for developing rice harvesting machines because the Kansei engineering method uses emotional feelings in the product development process. The Kansei engineering method can increase the level of satisfaction and interest of consumers because products are designed using the Kansei engineering method.
PENDAMPINGAN PENGEMBANGAN MEDIA PEMBELAJARAN INOVATIF BERBASIS ARTIFICIAL INTELLIGENCE (AI) BAGI MAHASISWA CALON GURU DI STKIP KUMALA Triyaningsih; Sulistyowati, Endar; Hartono, Budi; Hidayat, Khoirul
Mejuajua: Jurnal Pengabdian pada Masyarakat Vol. 4 No. 3 (2025): April 2025
Publisher : Yayasan Penelitian dan Inovasi Sumatera (YPIS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52622/mejuajuajabdimas.v4i3.215

Abstract

Kegiatan Pendampingan Pengembangan Media Pembelajaran Inovatif berbasis AI bagi mahasiswa calon guru di STKIP Kumala Lampung Metro bertujuan membekali mahasiswa dengan keterampilan merancang media pembelajaran kreatif dan efektif yang relevan di era digital. Program ini mendukung kesiapan mahasiswa menghadapi tantangan pendidikan modern serta sebagai bekal kegiatan PPLT. Metode pelaksanaan meliputi observasi awal, pemaparan materi, sesi praktik langsung menggunakan aplikasi berbasis AI seperti Canva, ChatGPT, Kahoot, dan Quizizz, serta evaluasi melalui angket kepuasan peserta. Hasil kegiatan menunjukkan peningkatan pemahaman mahasiswa dalam memanfaatkan teknologi AI untuk pengembangan media pembelajaran interaktif. Berdasarkan umpan balik, 85% peserta menilai materi sangat relevan dan aplikatif, sedangkan 90% menyatakan puas dengan keseluruhan kegiatan. Diskusi dan simulasi pembelajaran membantu peserta memperbaiki media yang mereka kembangkan. Program ini berhasil meningkatkan keterampilan mahasiswa dalam memadukan teknologi dan kreativitas, dengan harapan mampu mendukung pembelajaran yang lebih inovatif dan bermakna.
PERLINDUNGAN HUKUM BAGI PEKERJA WAKTU TERTENTU AKIBAT MENGUNDURKAN DIRI SEBELUM WAKTU PERJANJIAN KERJA BERAKHIR Hidayat, Khoirul; Abadi, Suwarno
Gorontalo Law Review Vol 7, No 1 (2024): Gorontalo Law Review
Publisher : Universitas Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32662/golrev.v7i1.3292

Abstract

Tujuan penelitian ini untuk mengetahui dan menganalisa tentang aturan pekerja yang mengundurkan diri sebelum berakhirnya perjanjian kerja. Terdapat perbedaan pengaturan dalam hal apabila salah satu pihak mengakhiri hubungan kerja sebelum berakhirnya jangka waktu yang ditetapkan dalam perjanjian kerja waktu tertentu. Metode penelitian yang digunakan merupakan penelitian yuridis normatif dengan pendekatan perundang-undangan dan pendekatan konseptual. Hasil analisis adalah pengaturan tentang pekerja yang mengundurkan diri sebelum berakhirnya perjanjian kerja diatur dalam Pasal 62 UU No.13 Tahun 2003 Tentang Ketenagakerjaan, menjelaskan apabila salah satu pihak mengakhiri hubungan kerja sebelum berakhirnya jangka waktu yang ditetapkan dalam perjanjian kerja waktu tertentu (PKWT), pihak yang mengakhiri hubungan kerja diwajibkan membayar ganti rugi kepada pihak lainnya sebesar upah pekerja sampai batas waktu berakhirnya jangka waktu perjanjian kerja. Dalam artian, jika pekerja yang mengundurkan diri wajib membayar ganti rugi kepada pihak perusahaan sebesar upah pekerja sampai batas waktu berakhirnya perjanjian kerja. Berbeda dengan Pasal 17 Peraturan Pemerintah No.35 Tahun 2021 tentang perjanjian kerja waktu tertentu, alih daya, waktu kerja, dan waktu istirahat, dan pemutusan hubungan kerja, menjelaskan dalam hal salah satu pihak mengakhiri hubungan kerja sebelum berakhirnya jangka waktu yang ditetapkan dalam PKWT maka Pengusaha wajib memberikan uang kompensasi yang besarannya dihitung berdasarkan jangka waktu PKWT yang telah dilaksanakan oleh pekerja.
ANALISIS PERBANDINGAN HARGA POKOK PRODUKSI DENGAN METODE FULL COSTING DAN ACTIVITY BASED COSTING SERTA PENENTUAN LABA RUGI PADA LAUNDRY Mardliyah, Dewi; Hidayat, Khoirul; Dewi, Heny Wydia Kusuma; Rakhmawati, Ita
Jurnal Akuntansi Syariah (JAkSya) Vol 3 No 2 (2023): JAkSya Jurnal Akuntansi Syariah
Publisher : UIN MAHMUD YUNUS BATUSANGKAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31958/jaksya.v3i2.10006

Abstract

This study aims to produce calculations on the cost of production and compare using the Full Costing method and Activity Base Costing which can be used for making decision and determining the cost used. In addition to calculating Cost the researchers also calculate the business loss & profit as a financial record which can be used as a guidelines in the future. The research method which is used is a descriptive quantitative method. Data collecting technique is using interviews and observations directly to the business location.. From the result of the calculation of the Activity Based Costing method is more suitable and recommended for laundry company than Full Costing method because it's more detail, the cost of production is lower, and the profit obtained is higher. In the UKM Izza Laundry report during March 2023,after its net profit indicates the profit according to the owner's estimation.Penelitian ini bertujuan untuk menghasilkan perhitungan harga pokok produksi serta membandingkan dengan menggunakan metode Full Costing dan Activity Based Costing yang dapat digunakan untuk pengambilan keputusan dan penentuan biaya yang digunakan.  Selain melakukan perhitungan Harga Pokok Produksi peneliti juga menganalisis laba rugi usaha sebagai catatan keuangan untuk dapat dijadikan pedoman kedepannya. Metode penelitian yang digunakan adalah metode kuantitatif deskriptif. Teknik pengambilan data menggunakan wawancara dan observasi secara langsung ke lokasi usaha. Dari hasil perhitungan metode Activity Based Costing lebih cocok dan disarankan untuk jasa laundry dibandingkan metode Full Costing karena lebih terperinci, harga pokok produksi lebih rendah, dan keuntungan yang diperoleh lebih banyak. Pada laporan laba rugi jasa laundry periode Maret 2023 setelah laba bersihnya mengindikasikan mendapatkan keuntungan yang sesuai dengan estimasi owner.
Inovasi Permen Herbal Sebagai Alternatif Pangan Fungsional Peningkat Nafsu Makan Anak Nuriyana, Laha; Hidayat, Khoirul; Firmansyah, R. Arief
JURNAL REKAYASA DAN MANAJEMEN AGROINDUSTRI Vol 13 No 4 (2025): Desember
Publisher : Department of Agroindustrial Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JRMA.2025.v13.i04.p11

Abstract

Loss of appetite is a common problem in children. This loss of appetite can lead to health and developmental problems. Loss of appetite is often attributed to internal factors, such as worm infections. Parents often try to increase appetite through vitamins, pharmacological medications, and traditional medicine. However, many children refuse to consume traditional medicines because they have a bitter and unappealing taste. One innovation to encourage children to consume herbal medicine is to process it into candy. This candy is made from spices such as Javanese ginger and roselle. This candy contains curcumin and anthocyanins, which can increase children's appetite. This research aims to develop the best formulation for Javanese ginger herbal candy, using roselle flowers as an additional ingredient, to produce a pink color that children love. The resulting pink color will attract children's attention to consume Javanese ginger candy. This research design used a Completely Randomized Design (CRD) model with variations in the addition of curcuma extract concentrations (6, 8, 10, 10 g) and rosella extract (2, 3, 4, 5 g). The resulting candy was then tested, including water content testing, flavonoid testing, antioxidant testing, solubility testing, curcumin content testing, and pH testing. The addition of curcuma extract and rosella flower extract had a significant effect on water content, antioxidant activity, pH, and curcumin content. The best treatment was treatment F3 with the addition of 10 g of curcuma extract and 4 g of rosella flower extract. The results of the curcumin content test for herbal candy with curcuma extract and rosella flower extract were classified as very low at 0.0020%. This figure is very small in meeting the curcumin levels in children, so it is not effective in increasing children's appetite.
PENGEMBANGAN MODEL PEMBELAJARAN BERBASIS SKKNI BIDANG KEAMANAN PANGAN UNTUK MENINGKATKAN KOMPETENSI MAHASISWA TEKNOLOGI INDUSTRI PERTANIAN Hidayat, Khoirul; Ulya, Millatul; Mu'tamar, Muhammad Fuad Fauzul; Mojiono, Mojiono; Maflahah, Iffan; Firmansyah, R Arief; Asfan, Dian Farida
Natural Science Education Research Vol 8, No 3 (2025): Natural Science Education Research
Publisher : Program Studi Pendidikan IPA, Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/nser.v8i3.4650

Abstract

Tenaga yang kompeten di bidang keamanan pangan makin dibutuhkan seiring dengan peningkatan tuntutan jaminan keamanan pangan bagi industri dan bisnis pangan. Tujuan dari penelitian ini adalah melakukan pengembangan model pembelajaran berbasis SKKNI (Standar Kompetensi Kerja Nasional Indonesia) bidang keamanan pangan, sehingga berkontribusi menciptakan sumber daya manusia yang kompeten di bidang tersebut. Model pembelajaran pada mata kuliah Manajemen Kualitas dikembangkan untuk menghasilkan lulusan yang kompeten di bidang keamanan pangan, meliputi 3 aspek (pengetahuan, sikap dan keterampilan) sesuai dengan unit kompetensi pada SKKNI. Hasil pengembangan kemudian dievaluasi berdasarkan hasil uji kompetensi yang diselenggarakan pada tahun 2017 (sebelum pengembangan model pembelajaran) dan 2018 (sesudah pengembangan model pembelajaran). Hasil evaluasi memperlihatkan bahwa jumlah peserta yang tidak lulus uji kompetensi menurun sebesar 14.91%, yaitu 17.39% pada tahun 2017 menjadi 2.48% pada tahun 2018. Penurunan ini memperlihatkan bahwa pengembangan model pembelajaran mata kuliah Manajemen Kualitas mampu berkontribusi pada jumlah kelulusan uji kompetensi bidang keamanan pangan.
PENGARUH PERSONAL BRANDING PRABOWO SUBIANTO DALAM PEMILU 2024 TERHADAP MINAT PEMILIH GEN Z DI DAERAH KABUPATEN WONOSOBO Hidayat, Khoirul
ACADEMIA: Jurnal Inovasi Riset Akademik Vol. 6 No. 1 (2026)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/academia.v6i1.8980

Abstract

ABSTRACT The development of social media as a primary arena for political communication has transformed the way candidates build relationships with voters, particularly Generation Z who have grown up in a digital environment. This study aims to examine the influence of Prabowo Subianto’s personal branding on the voting intention of Generation Z in the 2024 Presidential Election in Wonosobo Regency. The research adopts a quantitative approach using a survey method involving 400 Generation Z respondents listed in the Permanent Voters List, with data collected through online questionnaires and analyzed using correlation tests, simple linear regression, and t-tests with the assistance of SPSS software. The results show that personal branding has a strong and statistically significant relationship with the voting intention of Generation Z, accounting for 59.3 percent of the variance in voting attitudes. These findings indicate that candidate images constructed through social media particularly those emphasizing emotional closeness, appealing visual presentation, and a more informal communication style are more effective in attracting and engaging young voters than conventional campaign approaches. Based on these results, the study confirms that personal branding is an important instrument in digital political communication strategies for strengthening the engagement and political participation of Generation Z. Overall, this research provides empirical contributions to the development of digital political communication studies and to the academic understanding of young voters’ behavior in contemporary elections. ABSTRAK Perkembangan media sosial sebagai ruang utama komunikasi politik telah mengubah cara kandidat membangun hubungan dengan pemilih, terutama Generasi Z yang tumbuh dalam lingkungan digital. Penelitian ini bertujuan untuk mengkaji pengaruh personal branding Prabowo Subianto terhadap minat memilih Generasi Z pada Pemilihan Presiden 2024 di Kabupaten Wonosobo. Penelitian menggunakan pendekatan kuantitatif dengan metode survei terhadap 400 responden Generasi Z yang tercantum dalam Daftar Pemilih Tetap, di mana data dikumpulkan melalui kuesioner daring dan dianalisis menggunakan uji korelasi, regresi linear sederhana, serta uji t berbantuan perangkat lunak SPSS. Hasil analisis menunjukkan bahwa personal branding memiliki hubungan yang kuat dan berpengaruh secara signifikan terhadap minat memilih Generasi Z, dengan kontribusi penjelasan sebesar 59,3 persen terhadap variasi sikap memilih. Temuan ini memperlihatkan bahwa citra kandidat yang dibangun melalui media sosial, khususnya yang menonjolkan kedekatan emosional, visualisasi yang menarik, serta gaya komunikasi yang lebih informal, lebih efektif dalam membangun ketertarikan politik pemilih muda dibandingkan pendekatan kampanye konvensional. Berdasarkan hasil tersebut, penelitian ini menegaskan bahwa personal branding merupakan instrumen penting dalam strategi komunikasi politik digital untuk memperkuat keterlibatan dan partisipasi politik Generasi Z. Secara keseluruhan, hasil penelitian ini memberikan kontribusi empiris bagi pengembangan kajian komunikasi politik digital serta pemahaman akademik mengenai perilaku pemilih muda dalam konteks pemilu modern.
Co-Authors A, Andika Aulya A. Rizal A. Rizal A.A. Ketut Agung Cahyawan W Abu Ubaidah, Darwis Ahmad, Sabaruddin Ahmad, Sabarudin Alfirmansyah, Ahmad Anis Arendra Annuri, Ahmad Anton Johanis Silubun Arie Wahyu Prananta Arief Firmansyah Arifa, Herfina Nur Aronika, Nadiyah Ferah Arya Yanuar, Fitra Baharuddin Baharuddin Budi Hartono Corputty, Frans Cystiana, Chika Uca DARIMIYYA HIDAYATI Dewi, Heny Wydia Kusuma Dian Farida Asfan Dwi Fitriani Efendi, Jainuril Endar Sulistyowati Enung Siti Nurhidayah Fachry Abda El Rahman Faida, Roijatul Fajri Habibi, Fajri Firdias I, Achmad Firmansyah, Raden Arief Gunawan, Syahrul Hamzah Fansuri Handika Dwi Ardiansyah Pelu Hotija, Siti Nur Ibrah Prayogo, Dhian Iffan Maflahah Illahi, Wahyudi Irianto, Prasetyo Adi Iskandar Dzulkarnain Jamilah Khoiriyah, Zuhro'ul Koko Joni Labib, Mohammad Ainul Lisdayana, Nurmalisa Lukman Hakim M Fahkry M Melany Manahim, Bisma Nurillah Mardliyah, Dewi Maryani Maulana, Sofyan Fajar Melany, M Misbah Hoerul Anam, Jajang Moh Fauzi, Moh Mohammad Yaskun Mojiono, Mojiono Mu'tamar, Muhammad Fuad Fauzul Muhammad Fakhry Muhammad Misbahudholam AR Muhammad Munir Muhtadin Muhtadin Mulayadi, Mulayadi Murthasiah, Dewi Mutaqin, Jaenal Mu’tamar, M Fuad Fauzul Mu’tamar, M. Fuad Fauzul Mu’tamar, Mohammad Fuad Fauzul Nafiuddin Naibaho, Erwan Natalia, Henni Nur Prasetyo, Rifan Dwi Nuriyana, Laha Probowati, Banun Diyah Purwitasar, Elvina Raden Faridz Rakhmawati Rakhmawati rakhmawati, ita Riansyah, Rizqy Rifai, Abil Rifai, Emon Rifky Maulana Yusron Roihan Ramadhan, Muhammad S. Sugiharto Sabeni Sahrina, Alfi Saidah Setiawan, Faiq Rizqi Suhartatik Suhartatik Suminar S, Ratna Sunday Noya Suratman, Ahmad Suwarno Abadi Tambunan, Monifa Geraldin Thoyyibah, Hayatun Triyaningsih Ulya, Millatul Verdiana, Hanif Risma Zakariya, Yuza