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All Journal TEKNIK Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) DINAMIKA DOTCOM YUDISIA : Jurnal Pemikiran Hukum dan Hukum Islam Rekayasa Mesin JOSINFO : Jurnal Online Sistem Informasi JEB17 : Jurnal Ekonomi dan Bisnis Perspektif : Jurnal Ekonomi dan Manajemen Universitas Bina Sarana Informatika Conference on Innovation and Application of Science and Technology (CIASTECH) WIDYABHAKTI Jurnal Ilmiah Populer WIDYA LAKSANA Jurnal Nasional Pendidikan Teknik Informatika (JANAPATI) Aptisi Transactions on Technopreneurship (ATT) Jurnal Teknik Mesin Indonesia Infotekmesin Sirok Bastra Jurnal Maps (Manajemen Perbankan Syariah) Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS Scientific Journal of Mechanical Engineering Kinematika IJECA (International Journal of Education and Curriculum Application) PROGRES PENDIDIKAN JURNAL FLYWHEEL SINTA Journal (Science, Technology, and Agricultural) Jurnal Mesin Nusantara Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) ARMATUR : Artikel Teknik Mesin dan Manufaktur Indonesian Journal of Economics and Management Journal of Applied Islamic Economics and Finance Jurnal Abdi Masyarakat Jurnal Indonesia Sosial Sains Yavana Bhasha: Journal of English Language Education Aceh International Journal of Science and Technology Prosidia Widya Saintek JASTEN (Jurnal Aplikasi Sains Teknologi Nasional PASCIDEV: Pasundan Social Science Development CYBER-Techn(Jurnal Informatika dan Industri) PROTON : Jurnal Ilmu-Ilmu Teknik Mesin Jurnal Ekonomi, Manajemen Pariwisata dan Perhotelan
Dadang Hermawan
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Pengaruh Berat Weight Roller Terhadap Daya, Torsi, dan Topspeed pada Honda Beat Resdianto , Agus; Hermawan, Dadang; Farid, Akhmad
PROTON Vol. 14 No. 2 (2024): PROTON: Jurnal Ilmu-ilmu Teknik Mesin
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jp.v14i2.7015

Abstract

CVT (Continuous Variable Transmission) components have several components that must be considered, one of which is the roller component that is often used on the 2013 Beat automatic motorbike. The rollers found on automatic motorbikes consist of two types. The rollers have different masses on both parts. Based on the mass of the two types of rollers, a study was conducted using the experimental method, which is a form of study to find cause and effect (causal relationship) between two factors by eliminating or reducing or setting aside other interfering factors. The study was conducted to determine the effect of replacing the roller with a mass of 15 grams on power, torque and top speed on the 2013 Honda Beat motorbike. The testing tool used in this study used a dynamometer that was able to analyze the effect of roller mass on the power generated by the automatic motorbike and also the centrifugal force of the roller. The lighter the roller weight, the smaller the centrifugal force generated. However, at high engine speeds, centrifugal force will decrease faster than rollers that have a heavier weight. The torque obtained in the use of 13 gram and 15 gram rollers respectively is 9.24 Nm, 8.79 Nm obtained at 6000 rpm engine speed. While the top speed obtained from the use of 13 gram roller is 75.06 km / h in 1 second, and the top speed achieved by the 15 gram roller is 78.65 km / h in 1 second.
A Machine Learning-Based Approach for Retail Demand Forecasting: The Impact of Spending Score and Algorithm Optimization Adriani, Ni Putu Erica Puspita; Huizen, Roy Rudolf; Hermawan, Dadang
Jurnal Ilmiah Teknik Elektro Komputer dan Informatika Vol. 11 No. 2 (2025): June
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/jiteki.v11i2.30630

Abstract

Demand forecasting in the retail industry remains a critical challenge, with inaccurate predictions leading to substantial inventory inefficiencies, financial losses, and reduced customer satisfaction. Traditional forecasting methods, primarily reliant on historical sales data, often lack the capacity to effectively model the complexities of dynamic consumer behavior and rapid market fluctuations. To address this, this study proposes a refined demand forecasting approach through the introduction of the Spending Score, a novel synthetic feature that synthesizes customer purchase frequency and total spending to augment predictive accuracy. We implement and optimize machine learning algorithms, specifically Random Forest, Decision Tree, and Support Vector Machine (SVM), using rigorous hyperparameter tuning techniques to determine the most effective model for retail demand prediction. Utilizing detailed customer transaction data, this research aims to identify key purchasing patterns that significantly influence demand variability. By integrating the Spending Score into our predictive models, we provide a data-driven framework enabling retailers to optimize inventory management, enhance targeted marketing strategies, and minimize operational inefficiencies. Empirical results demonstrate that the inclusion of the Spending Score leads to more stable and accurate demand forecasts, facilitating improved alignment between supply and market demand. While acknowledging potential limitations, including data scalability issues and the risk of feature-induced bias, future research will explore the integration of real-time data streams, advanced deep learning methodologies, and expanded datasets to further improve predictive capabilities and model adaptability in the continuously evolving retail landscape.
MANAGEMENT OF TOURIST VILLAGE MANAGEMENT IN BALI: STRATEGIES, CHALLENGES, AND OPPORTUNITIES Dadang Hermawan; I Made Darsana
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 4 No. 4 (2024): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v4i4.2389

Abstract

This study aims to analyze the social impacts, income inequality, sustainability of community-based waste management programs, and the effectiveness of the implementation of Governor Regulation No. 10 of 2022 in managing tourist villages in Bali. A qualitative approach was employed by integrating literature studies, in-depth interviews, and policy analysis. The findings reveal that the management of tourist villages has significant social impacts on local communities, including increased economic dependence on tourism and shifts in traditional cultural values. Income inequality among tourist villages is influenced by accessibility, management quality, and infrastructure. The sustainability of community-based waste management programs relies heavily on the active participation of younger generations in fostering environmental awareness. Meanwhile, the implementation of Governor Regulation No. 10 of 2022 faces challenges such as limited accessibility to remote villages and insufficient human resource capacity. This study also highlights that digitalization, through the utilization of social media and augmented reality (AR) technology, can serve as an effective strategy to enhance the competitiveness and sustainability of tourist villages.
Strategi Pemasaran untuk Meningkatkan Occupancy Kamar Hotel di Bali melalui Peningkatan Kapasitas SDM yang Bekerja Ada Online Travel Agent Dadang Hermawan; I Made Darsana; I Gusti Made Sukaarnawa; I Putu Arnawa
Jurnal Ekonomi, Manajemen Pariwisata dan Perhotelan Vol. 4 No. 3 (2025): Jurnal Ekonomi, Manajemen Pariwisata Dan Perhotelan
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jempper.v4i3.5087

Abstract

The hotel industry in Bali is facing various challenges that have resulted in low occupancy rates. Some of the main factors contributing to this problem include increasingly fierce competition between hotels, fluctuations in tourist demand due to seasonal and global factors, and the suboptimal utilization of digital marketing channels through Online Travel Agent (OTA) platforms. One of the main causes of this suboptimal utilization of OTAs is the limited capacity of human resources (HR) to effectively manage these platforms. Many HR have not yet mastered digital marketing strategies, are unable to optimally manage hotel listings, and lack the skills to provide superior online customer service. This study aims to formulate an effective marketing strategy by improving HR competency in OTA management. The strategy focuses on digital marketing training, improving customer service quality, and optimizing information and the display of hotel listings on OTA platforms. The method used is a qualitative approach through case studies of several hotels in Bali. Data collection techniques were carried out through in-depth interviews with hotel managers, digital marketing staff, and employees directly involved in OTA management. The results show that improving HR competency through structured training and continuous development has a significant impact on increasing the number of room bookings and occupancy rates. Competent human resources can maximize hotel visibility on OTAs, respond to customer needs more quickly and accurately, and build long-term relationships with them. Integrated marketing strategies with improved human resource quality have proven key to increasing hotel competitiveness, room occupancy, and overall revenue.
STUDI PENGARUH KOMBINASI REINFORCEMENT SERAT KULIT POHON WARU DAN KARBON KEVLAR TERHADAP IMPACT STRENGTH KOMPOSIT LAMINATE Saputra, Akhmad Rizki; Huda, Khisbullah; Fadhillah, Arief Rizki; Hermawan, Dadang
Prosidia Widya Saintek Vol. 4 No. 2 (2025)
Publisher : Universitas Widyagama Malang

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

Abstract

Perkembangan teknologi industri material telah mendorong pencarian material alternatif yang ringan, kuat, murah, dan ramah lingkungan. Salah satu solusi adalah penggunaan serat alam, seperti serat kulit pohon waru (Hibiscus tiliaceus), yang memiliki karakteristik mirip logam. Selain itu, serat karbon Kevlar juga digunakan sebagai material penguat dalam komposit. Penelitian ini bertujuan untuk menguji pengaruh serat kulit pohon waru dan serat karbon Kevlar terhadap harga impact dan energi yang diserap pada komposit laminate. Hasil penelitian menunjukkan bahwa komposit dengan serat karbon Kevlar memiliki harga impact rata-rata tertinggi, yaitu 213,85 Joule/mm², karena kekuatan serat karbon Kevlar yang lebih tinggi serta sifat sintetiknya yang lebih rapat dibandingkan serat alam. Sebaliknya, komposit dengan serat kulit pohon waru memiliki harga impact rata-rata terendah, yaitu 32,23 Joule/mm². Namun, kombinasi antara serat kulit pohon waru dan serat karbon Kevlar menghasilkan harga impact yang lebih tinggi dibandingkan hanya menggunakan serat kulit pohon waru, dengan nilai 134,90 Joule/mm². Foto patahan menunjukkan bahwa titik patahan pada berbagai variasi tidak dapat diprediksi, karena patahan dapat terjadi pada posisi yang tidak dapat ditentukan. Penelitian ini membuktikan bahwa kombinasi serat kulit pohon waru dan karbon Kevlar memberikan kekuatan yang lebih baik dibandingkan serat kulit pohon waru.
INDONESIAN EDUCATION LANDSCAPE IN MALAYSIA: A PORTRAIT OF ONLINE LEARNING INDONESIAN SCHOOL OF KOTA KINABALU Hermawan, Dadang; Aswan, Aswan
PROGRES PENDIDIKAN Vol. 6 No. 3 (2025): September 2025
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/prospek.v6i3.1018

Abstract

The Indonesian School of Kota Kinabalu (SIKK) is an Indonesian school located in Sabah, Malaysia. SIKK is the parent school that oversees hundreds of schools for Indonesian children in Sabah—Sarawak. Given SIKK's extensive reach, this research aims to explore how online learning has been implemented during the Covid-19 pandemic. The research method used is qualitative with a case study approach. Researchers found that SIKK implemented online learning due to the Malaysian government's prohibition on physical contact. Researchers also identified obstacles faced by students during online learning, such as difficulty accessing the internet, lack of electronic devices, and so on. Media used to support online learning include Zoom, Google Meet, and others. The conclusion that can be drawn is that SIKK has carefully designed and implemented online learning, considering various factors such as student needs, technological infrastructure, and effective teaching methods. This reflects their commitment to providing effective online education and providing an optimal learning experience for all parties involved.
Analisa Tensile Strength Komposit Serat Kulit Pohon Waru dengan Kombinasi Serat Karbon Kevlar Sebagai Material Reinforcement Stefan Enus, Handry; Soebiyakto, Gatot; Rizki Fadhillah, Arief; Hermawan, Dadang
Infotekmesin Vol 14 No 2 (2023): Infotekmesin: Juli, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i2.1888

Abstract

In increasing the tensile strength of the waru tree bark fiber composite (Hibiscus tiliaceus), it is necessary to have a combination of reinforcement used in the composite material. One of the reinforcement materials that can be combined is carbon fiber kevlar. Kevlar carbon fiber has several advantages, including low density, absorbing vibrations well, and it is resistant to chemical solutions. The specific objectives of this study were to determine the maximum strain stress, modulus of elasticity, and fracture analysis of hibiscus bark fiber composites with a combination of kevlar carbon fiber as a reinforcement material. The independent variable in the study was comparing the composite with the different reinforcement materials used, including 100% hibiscus (Hibiscus tiliaceus) bark fiber, 100% kevlar carbon fiber, 50% combination fiber of hibiscus (Hibiscus tiliaceus) bark, and 50% kevlar carbon. The process of making composites uses the vacuum infusion resin method with specimens referring to the ASTM D638-03 type I standard. The results of this study are that combining kevlar carbon fiber as a reinforcement material can improve the mechanical properties in terms of the tensile strength of the hibiscus tree bark fiber composite.
QR CODE IN GRAMMY87 GAME AS NEW TECHNIQUES FOR MASTERING GRAMMAR Dilia, Dilia Dewi; Hermawan, Dadang; Putri, Dian Rahmani
Yavana Bhasha : Journal of English Language Education Vol. 7 No. 2 (2024): Volume 7, Issue 2 (2024)
Publisher : Universitas Hindu Negeri I Gusti Bagus Sugriwa Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25078/yb.v7i2.3900

Abstract

The Challenges in Traditional Grammar Teaching grammar often rely on rote memorization and repetitive exercises, which can lead to student disengagement and boredom. Without context or interactive elements, students may find it hard to retain grammar rules and apply them correctly in their writing and speaking. Research in educational psychology emphasizes the benefits of active learning, where students participate actively in the learning process, rather than passively receiving information. Incorporating game elements in education can increase motivation, engagement, and retention. Games provide a dynamic and enjoyable way to learn complex concepts like grammar. The primary goal of Grammy87 is to be creative learning tools to improve students' grammar skills through a board game that is both educational and entertaining. The game aims to transform the learning experience from a mundane task into an exciting adventure by the use of technology of QR code scanning barcode to make easier for everybody to play without the assistance of a teacher. Techniques for gathering data that involve both direct observation and interviews. Data are analyzed using a descriptive qualitative approach, and they are then presented in a narrative format. The R&D procedures were modified from Borg and Gall's (1983) ten-cycle method of creating The Grammy87 Card game. Leveraging the principles of game design and educational research, Grammy87 significantly enhance grammar skills in a fun and motivating way. Integrating technology, providing clear learning paths, and ensuring the game is adaptable to various learning environments are key factors in its success.
The Application of Zakat in Islamic Law to Reduce Economic Inequality in Society Hermawan, Dadang
Pasundan Social Science Development Vol. 6 No. 1 (2025): Pasundan Social Science Development (PASCIDEV)
Publisher : Doctoral Program of Social Science Pasundan University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56457/pascidev.v6i1.244

Abstract

Zakat is one of the pillars of Islam that plays a significant role in the economy, particularly in reducing economic inequality and fostering social welfare. This study aims to analyze the application of zakat in Islamic law in North Cikarang, Bekasi, and its impact on reducing economic disparities in society. The research uses a qualitative approach with a case study on several zakat institutions operating in the area. The findings show that effectively managed zakat can have a positive impact in assisting underprivileged communities; however, challenges remain in terms of optimal distribution and management. Factors such as the lack of public understanding of zakat and the limited facilities and resources of zakat institutions become significant barriers in achieving the goal of reducing economic inequality. Despite this, zakat given to the community can be utilized for business capital, education, and healthcare, which in turn contributes to improving the quality of life. Therefore, enhanced coordination between the government, zakat institutions, and the public is necessary to maximize the potential of zakat in reducing economic inequality and achieving social justice in North Cikarang. This research is expected to provide deeper insights into the effectiveness of zakat as a tool for attaining more equitable economic welfare
Perempuan Sebagai Pendidik Pertama dan Utama: Penguatan Literasi Digital Bagi Ibu untuk Mendukung Generasi Emas 2045 Hermawan, Dadang; Yuningsih, Lilis; Rini, Erma Sulistyo; Putri, Ni Made Dewi Kansa; Dewi, Putu Tjintia Kencana
Jurnal Abdi Masyarakat Vol. 5 No. 2 (2025): Jurnal Abdi Masyarakat September 2025
Publisher : Institut Pariwisata dan Bisnis Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22334/jam.v5i2.89

Abstract

Perempuan, khususnya ibu, memiliki peran strategis sebagai pendidik pertama dan utama dalam keluarga, termasuk dalam menghadapi tantangan era digital. Anak-anak yang tumbuh sebagai digital natives memerlukan pendampingan agar penggunaan gawai lebih terarah dan bermanfaat. Kegiatan Pengabdian Kepada Masyarakat (PKM) ini bertujuan untuk meningkatkan kapasitas literasi digital parenting bagi ibu rumah tangga di Denpasar, Bali. Metode pelaksanaan menggunakan pendekatan partisipatif melalui sosialisasi, workshop, diskusi kelompok terarah, konsultasi individu, dan monitoring berkelanjutan. Peserta kegiatan berjumlah 25 ibu rumah tangga anggota PKK desa setempat. Hasil kegiatan menunjukkan peningkatan signifikan pada pemahaman dan keterampilan peserta, khususnya dalam penggunaan parental control, pengaturan screen time, pemilihan aplikasi edukatif, serta komunikasi positif dengan anak. Lebih dari 75% peserta juga mulai membiasakan anak dengan aktivitas alternatif non-gawai. Monitoring pascapelatihan melalui grup media sosial memperlihatkan terbentuknya ekosistem pembelajaran berkelanjutan di antara peserta. Temuan menunjukkan bahwa literasi digital parenting efektif memberdayakan ibu sebagai fasilitator pendidikan keluarga di era digital. Kegiatan lanjutan diperlukan untuk memperluas jangkauan komunitas dan memperdalam integrasi nilai budaya lokal dalam praktik pengasuhan digital.   Women, especially mothers, play a strategic role as the first and primary educators in the family, including in facing the challenges of the digital age. Children who grow up as digital natives need guidance so that their use of gadgets is more focused and beneficial. This Community Service (PKM) activity aims to increase the digital literacy capacity of housewives in Denpasar, Bali. The implementation method uses a participatory approach through socialization, workshops, focused group discussions, individual consultations, and continuous monitoring. There were 25 housewives who are members of the local village PKK participating in the activity. The results of the activity showed a significant increase in the participants' understanding and skills, particularly in the use of parental controls, screen time management, selection of educational applications, and positive communication with children. More than 75% of participants also began to familiarize their children with alternative non-device activities. Post-training monitoring through social media groups showed the formation of a sustainable learning ecosystem among participants. The findings indicate that digital literacy parenting effectively empowers mothers as facilitators of family education in the digital age. Follow-up activities are needed to expand the reach of the community and deepen the integration of local cultural values into digital parenting practices.
Co-Authors ., silviana AA Sudharmawan, AA Adriani, Ni Putu Erica Puspita Agung Suprapto, Agung Akhmad Farid Andi Nugroho Andy Hardianto Anggunio, Cornelius Aprianto, Wahyu Rizki Arie Restu Wardhani Arief Rizki Fadhillah Arifah Bunga Fathimah As, Dikri Ilham Asmah Amir Assery, Wardah Aswan Aswan Awan Uji Krismanto Ayu, Dewi Baihaqi, Rosiawan Bambang Hendiswara Boriboon, Gumpanat Budi Tjahjono Burhanudin, Achmad Cahyo, Agung Dwi Candra Ahmadi, Candra Candra, Ferdika Dwi Dewi, Ni Putu Dilia Dewi, Putu Tjintia Kencana Dian Pramana Dian Rahmani Putri, Dian Rahmani Diana, Ai Dilia, Dilia Dewi Djuwarsa, Tjetjep Dlofir, Aan Taufik Eko Yohanes Setyawan Elvina Zahrah Ramadhina Erma Sulistyo Rini, Erma Sulistyo Evans, Richard Fachrudin Fachrudin Faqih Rofii Fathonah, Annisa Siti Febi Rahmadianto Gatot Soebiyakto Gatot Soebiyakto Gede Angga Pradipta Hardianto, Andi Hartanto, Albertus Niko Kristian Harun Alrosyid, Harun Hasanah, Afifah Nur Heni Pujiastuti Huda, Khisbullah Hutri Wicaksono, Leo I Gusti Made Sukaarnawa I Gusti Putu Arlina Ayuningsih, I Gusti Putu I Made Darsana I Putu Arnawa Ida Bagus Suradarma, Ida Bagus Iriananda, Syahroni Ismail*, Nova Risdiyanto Joko Santoso Juniwati, Endang Hatma Kadafu, Abidin Kadek Eka Sapta Wijaya Kautzar, Galuh Zuhriah Khoirul Lisyaniah Kusuma, Tubagus Mahendra Lenang, Elvin Bimbu Ngunju Leo Hutri Wicaksono Limbong , Benny Leonardo Luqvian, Alvan Ade Ma'sumah, Mufidatul Maharani, Ida Ayu Mayasari, Ine Mega Nur Sasongko Millah, Shofiyul Mochamad Umar Mai Mochammad Nurcholis Majid Moehaditoyo, Sri Hartutie Muhammad Ilman Nur Sasongko Muhlis Muhlis Ngudi Tjahjono Ni Made Dewi Kansa Putri, Ni Made Dewi Kansa Noorsyah Adi Noer Ridha Nova R. Ismail Nova Risdiyanto Ismail Nurdin, Ade Ali Nurida Finahari Nurkholis Hamidi Pakpahan, Rosma Pinandito, Prasetyo Prasetyo, Muhammad Awi Pratama, Rizqi Fajar Purbo Suwandono Rahmad Kurniawan rahmad Kurniawan Rahmani Putri, Dian Redita Dicky Setiawan Resdianto , Agus Rivandir Ukar, Yakobus Rizki Fadhillah, Arief Roring, Anjalita Geraldine Roy Rudolf Huizen Ruhana, Nafisah Sanjaya, Wahyu Saputra, Akhmad Rizki Saroso, Budi Sasongko, M. Ilman Nur Sa’bana, Rifqi Fauzan Siti Zubaidah Sri Nurhayati Stefan Enus, Handry Sumardjo Suriansyah Suriansyah Sabarudin Susilo, Tarsisius Syafitri, Rully Dyah Syamsiar, Syamsiar Toto Cimurti Wedashwara, I Gede Putu Wirarama Wicaksono, Hangga Wicaksono, Leo Hutri Wirananda, Wira Yuningsih, Lilis