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Manufacturing Processes by Bonding Compression for Acoustic Composites: A Comprehensive Review Basri, Hasan; Pranoto, Hadi
International Journal of Advanced Technology in Mechanical, Mechatronics and Materials Vol 6, No 2 (2025)
Publisher : Institute for Research on Innovation and Industrial System (IRIS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37869/ijatec.v6i2.130

Abstract

Noise control is a growing concern in built environments, vehicles, and industrial machines. Porous multi-layer composite materials are currently the most used for this purpose. Some of them are felt-based materials widely utilized in acoustic applications due to their excellent sound absorption properties, flexibility, lightweight nature, and low manufacturing cost. Some synthetics & hybrid fiber materials are widely used for acoustic purposes. To optimize the acoustic performance, one of the materials, such as resinated felt, is commonly combined with nano-porous materials like spunbond, a PET-based non-woven material, as a skin layer due to their adjustable fiber structure and cost-effectiveness. Bonding compression techniques—including hot pressing, thermal bonding with low-melting fibers, and skin lamination spunbond are crucial in fabricating multi-layer acoustic composites from porous materials. This review synthesizes findings from studies detailing process parameters, material choices, and how compression affects porosity, fiber entanglement, and inter-layer bonding to optimize sound absorption. Special attention is given to the effects of processing parameters on porosity, air permeability, and fiber orientation—factors that critically influence acoustic behavior. Challenges such as frequency-dependent performance loss and scalability limits are discussed. Future research should target the development of the cycle optimization process and real durability evaluation.
REVIEW : CATALITIC CONVERTER BERBAHAN TEMBAGA (Cu) DAN KUNINGAN / BRASS (CuZn) UNTUK MEREDUKSI KARBON MONOKSIDA (CO) DAN HIDROKARBON (HC) EMISI GAS BUANG PADA KENDARAAN BERMOTOR Basyari, Aziz; Pranoto, Hadi
TURBO [Tulisan Riset Berbasis Online] Vol 13, No 1 (2024): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v13i1.3077

Abstract

Motor vehicle exhaust emissions containing carbon monoxide (CO) and hydrocarbons (HC) are a strategic issue for Indonesia, which has not yet set an age limit for motor vehicles. As a control measure, the Indonesian government itself has issued regulations on exhaust gas emission quality standards for motorized vehicles that are used by the public through Regulation of the Minister of Environment and Forestry of the Republic of Indonesia Number 8 of 2023. Catalytic converter technology is the most effective system for reducing CO and HC emissions. Currently, it is from the Platinum Gold Metal (PGM) group, namely Platinum, Palladium, Rhodium which is still very expensive. This article uses a literature review research method with reference sources originating from previous research journals by comparing. This paper will discuss gas emissions, the development of converter catalytic materials and also the effectiveness of converter catalytic materials from the non-PGM metal group, namely Copper (Cu) and Brass/ Brass (CuZn) which has been proven to be able to reduce exhaust gas emissions so that it can be an alternative as a converter catitic at a more affordable price for the wider community
MENGOPTIMALKAN EFISIENSI TUNGKU PELEBURAN ALUMINIUM: TINJAUAN JENIS BAHAN BAKAR DAN TEKNOLOGI PEMBAKARAN Utomo, Wahyu Tri; Pranoto, Hadi
TURBO [Tulisan Riset Berbasis Online] Vol 13, No 1 (2024): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v13i1.3095

Abstract

Peleburan aluminium menjadi fokus utama dalam industri logam karena keberagaman aplikasinya dalam berbagai sektor. Artikel ini menyajikan tinjauan mendalam terhadap strategi untuk meningkatkan efisiensi proses peleburan aluminium, terutama terkait dengan pemilihan bahan bakar dan penerapan teknologi pembakaran yang efektif. Pembahasan mencakup berbagai jenis bahan bakar yang umum digunakan dalam tungku peleburan, termasuk evaluasi keunggulan dan keterbatasan masing-masing. Penelitian juga mengulas berbagai teknologi pembakaran yang diterapkan dalam konteks peleburan aluminium, dengan fokus pada burner, kontrol suhu, dan pemanfaatan energi terbarukan. Tinjauan ini menyoroti tantangan utama dalam optimasi efisiensi, termasuk manajemen panas, pengurangan limbah, dan dampak lingkungan. Selain itu, artikel ini memberikan perspektif terhadap peluang riset di masa depan, yang melibatkan pengembangan bahan bakar yang ramah lingkungan, inovasi dalam sistem pembakaran, serta integrasi teknologi kecerdasan buatan dalam mengontrol proses peleburan. Kesimpulannya, peningkatan efisiensi dalam peleburan aluminium membutuhkan strategi terpadu yang menggabungkan pemilihan bahan bakar yang tepat dengan penerapan teknologi pembakaran yang inovatif.
DETERMINATION OF PROCESS PARAMETER FOR INJECTION MOLDING : A REVIEW Arifin, Muhammad Alfattah; Pranoto, Hadi
Jurnal Rekayasa Mesin Vol. 15 No. 3 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i3.1758

Abstract

One of the most suitable methods for mass production of complicated shapes is injection molding due to its superior production speed and quality. Plastic injection is the process of forming products from plastic materials with variations in shape and size. Controlling the quality of plastic products is an important aspect of the plastic injection molding process. To achieve high process effectiveness and desired product quality, correct and precise parameter settings are essential. One of the benchmarks for assessing the productivity and efficiency of an industry is to look at the level of product defects that occur in producing a product. This article aims to provide a brief review of the explanation of injection molding, types of molding, types of injection failure, experimental methods in determining injection molding parameters. Types of failure in the injection process such as short shot, weld mark, warpage, sink mark, air trap, black spot, flashing, hole, over molding, delamination. The experimental method determines parameters such as the Taguchi method, ANOVA method, hard computing techniques. The future will likely tend to use AI techniques as has happened with other methods in manufacturing processes to complement conventional techniques in determining injection molding process parameters.
Penguatan Kewirausahaan Sosial dalam Pelaku UMKM: Integrasi Teknik Sipil dan Konseling untuk Pengelolaan Sumber Daya Alam Japlani, Ardiansyah; Rolia, Eva; Faliyanti, Eva; Pranoto, Hadi; Dharmawan, Dharmawan; Rosid, Andiana; Norenza, Jessica; Pangestu, Aulia
SINAR SANG SURYA Vol 9, No 2 (2025): Agustus 2025
Publisher : UM Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/sss.v9i2.4300

Abstract

This community service program aimed to enhance the capacity of Small and Medium Enterprise (SME) actors in Kelurahan Iringmulyo, focusing on the development of social entrepreneurship based on natural resource management and clean water management. The program combined interdisciplinary expertise in social entrepreneurship, civil engineering (water management), and counseling to provide a holistic approach to capacity building. The activities included training on social entrepreneurship, practical techniques for sustainable water management, and counseling sessions aimed at improving teamwork and entrepreneurial motivation. A total of 15 participants from the local SME community were involved in the program. Pre- and post-test evaluations showed a significant increase in participants' understanding of social entrepreneurship and water management, with an average improvement of 35% and 40%, respectively. The counseling sessions also had a positive impact on the participants’ teamwork and motivation, with 85% of participants reporting increased confidence and a better understanding of the importance of collaboration in managing social enterprises. The program demonstrated positive results in empowering the participants by enhancing their entrepreneurial skills and providing them with the tools to manage natural resources efficiently. The ongoing mentoring and collaboration with external partners will ensure the sustainability of the knowledge and skills acquired during the program, contributing to the long-term development of the community. Overall, this initiative successfully equipped the SME actors with the necessary knowledge and motivation to manage socially impactful businesses and address local environmental challenges.
Identifikasi Produktivitas Pekarangan Berdasarkan Periode Panen Untuk Menunjang Ketahanan Pangan Rumah Tangga di Kecamatan Sangatta Utara Bahar, Bahar; Daru, Taufan Purwokusumaning; Pranoto, Hadi; Darma, Surya; Idris, Suria Darma
Jurnal Pertanian Terpadu Vol 8 No 2 (2020): Jurnal Pertanian Terpadu Jilid VIII Nomor 2 Desember 2020
Publisher : Sekolah Tinggi Pertanian Kutai Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36084/jpt..v8i2.269

Abstract

Ketahanan pangan telah menjadi tantangan utama berbagai negara termasuk Indonesia. Permasalahan ketahanan pangan merupakan permasalahan lokal, nasional, dan global yang terus dicari solusinya. Tujuan penelitian adalah untuk mengidentifikasi komposisi, pola pemanfaatan, produksi, produktivitas dan potensi pemanfaatan lahan pekarangan masyarakat untuk mendukung ketahanan pangan keluarga di Kecamatan Sangatta Utara Kabupaten Kutai Timur. Penelitian ini dilaksanakan pada bulan April–Mei 2019 di Kabupaten Kutai Timur Kecamatan Sangatta Utara. Metode yang digunakan adalah metode survei. Sampel berasal dari rumah tangga petani sebanyak 30 sampel secara sengaja (purposive sampling) dengan luas lahan pekarangan yang dikelompokan menjadi tiga strata yaitu strata 1 (0,5–1.0 ha), strata 2 (>1–1,5 ha) dan strata 3 (>1,5–2,0 ha). Data yang diperoleh dianalisis secara deskriptif (dikuantitatifkan) dengan Analysis of Data Regression by Excel Office 2010. Pemanfaatan lahan pekarangan di Kecamatan Sangatta Utara memberikan kontribusi cukup besar dalam peningkatan ekonomi rumah tangga dan menunjang ketahanan pangan keluarga. Tingkat produksi menunjukkan pendapatan dari lahan pekarangan rumah tangga tinggi, dengan rata-rata pendapatan diatas 75 kg beras bulan-1.
MOTIVASI MAHASISWA MENGIKUTI COUNSELING FITNESS (COUNSFIT) VIDEO CONTEST DI MASA PANDEMI COVID-19 Pranoto, Hadi; Wibowo, Agus
JURNAL LENTERA [PENDIDIKAN PUSAT PENELITIAN LPPM UM METRO] Vol 6, No 2 (2021): Jurnal Lentera Pendidikan Pusat Penelitian LPPM UM Metro
Publisher : LPPM UM Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/jlpp.v6i2.1807

Abstract

PENGARUH NAUNGAN TERHADAP PERTUMBUHAN DAN HASIL TIGA VARIETAS CABAI MERAH (Capsicum annuum L.). Ramayana, Abdul Syamad; Supriyanto, Bambang; Pranoto, Hadi; Susylowati, Susylowati; Nurahman, Arip
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 23, No 1 (2024): Maret 2024
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/agrifor.v23i1.7246

Abstract

Tujuan penelitian adalah untuk mengetahui interaksi naungan terhadap pertumbuhan dan hasil tiga varietas cabai merah, mengetahui naungan yang dapat memberikan pertumbuhan dan hasil varietas cabe merah terbaik, dan mengetahui varietas cabe merah yang memberikan pertumbuhan dan hasil terbaik.Penelitian telah dilaksanakan dari bulan Juni sampai Oktober 2019 di Jl Sambaliung, Universitas Mulawarman Samarinda Kalimantan Timur.Penelitian ini disusun dalam Rancangan Petak Terbagi/Split Plot Design 3x5 yang diulang sebanyak 5 kali.  Sebagai petak utama adalah perlakuan naungan (N) yang terdiri dari 3 taraf yaitu, 0%, 25 %, dan 50 %, serta sebagai anak petak adalah perlakuan varietas (V) yang terdiri dari 3 taraf yaitu, Darmais F1, Astina F1 dan Tanaka F1. Data yang diperoleh dianalisis dengan menggunakan sidik ragam. Apabila terdapat pengaruh nyata maka untuk membandingkan antara rata-rata dua pelakuan dilanjutkan dengan uji BNT 5 %.Hasil analisis sidik ragam menunjukkan bahwa tidak terdapat interaksi antara perlakuan naungan dan varietas cabai merah, perlakuan naungan berpengaruh tidak nyata terhadap semua variabel pengamatan, begitu juga dengan perlakuan varietas berpengaruh tidak nyata terhadap semua variabel pengamatan.
PENDAMPINGAN SOCIAL BEHAVIOUR TERAPHY DAN CLASSICAL CONDITIONING TERAPHY PADA KOMUNITAS PEDULI ANAK AUTIS Sangidatus Sholiha; Hadi Pranoto; Al Um Aniswatun Khasanah
ABDI KAMI: Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 2 (2024): (Oktober 2024)
Publisher : LPPM Institut Agama Islam (IAI) Ibrahimy Genteng Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69552/abdi_kami.v7i2.2612

Abstract

The purpose of this service is to provide support and assistance to children with autism through the implementation of Social Behavior Therapy and Classical Conditioning Therapy. The methods used in implementing this service involve counseling based on counseling service cards, seminars, workshops, and pre-tests and post-tests to measure the effectiveness of the program. The results of the service showed that 85% of parents and caregivers were satisfied with the program, and there was a significant increase in the social skills and adaptive behavior of children with autism. The sustainability of this program is supported by intensive training for caregivers and parents, which ensures consistent application of therapy. This program is expected to be a model for other communities in implementing behavioral therapy for children with autism, creating a more supportive and inclusive environment for them in the future.
Multiclass gas pipeline leak detection using multi-domain signals and genetic algorithm-optimized classification models Suprihatiningsih, Wiwit; Romahadi, Dedik; Pranoto, Hadi; Youlia, Rikko Putra; Anggara, Fajar; Rahmatullah, Rizky
Teknomekanik Vol. 9 No. 1 (2026): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/teknomekanik.v9i1.38372

Abstract

Pipeline networks are critical infrastructure for oil and gas transport because the occurrence of leaks can rapidly escalate into safety, economic, and environmental crises. Operators are practically required to identify the presence and type of leaks; however, applying multiclass recognition is challenging when labeled data and computing power are limited. Therefore, this study proposes a three-stage pipeline which consists of: (1) adopting the GPLA-12 dataset of acoustic or vibration signals spanning 12 leak types; (2) extracting multi-domain features by combining time-domain descriptors with Power Spectral Density (PSD)-based spectral features; and (3) applying a genetic algorithm (GA) as a wrapper for feature selection to enhance discriminability and reduce dimensionality, which was followed by benchmarking seven conventional classifiers and GA-based refinement of the top model with a focus on the feature subset and hyperparameters. A maximum accuracy of 96.35% was achieved on the GPLA-12 dataset with low computation time and a simple model architecture. The proposed pipeline also attained similar or better accuracy at substantially lower complexity and data requirements compared with prior deep CNN approaches. These results support timely multiclass decision-making in resource-constrained industrial settings. A key observation was that the focus was on supervised leak-type classification from acoustic or vibration signals, while localization, severity estimation, and multi-sensor fusion were beyond the scope of this study.
Co-Authors . Sudarmaji, . Abda Abda Abdi Wahab Abdul Saman Achmad Irfan Muzni Adelia Wulandari Adinia Putri Fadillah Afdal Hanif Pamungkas Afifah Zahra Cahyani Afriana, Rafika Agus Wibowo Agus Wibowo Agus Wibowo Agus Wibowo Ahimsa, Titos Ajeng Pratiwi AL UM ANISWATUN KHASANAH Al Um Aniswatun Khasanah Alfonsus Dea Novan Aliza Nurvalita Putri Alvita Sari Andarwati Andarwati Andi Adriansyah Andi Firdaus Sudarma Anggara, Fajar Anisah Azzahra Aprianto, Edo Ardiansyah Japlani, Ardiansyah Arifin, Muhammad Alfattah Armaichi, Ella Aryani, Rita Aulia Pangestu Auliya Assyifa Ayu Pratiwi, Ayu Ayuningtyas, Bekti Baehaqi Bahar Bahar, Bahar Baharudin Yusup Budiman Bambang Supriyanto Basyari, Aziz Buana Paxi Cahyani, Afifah Zahra Dafit Feriyanto Dea Putri Dedik Romahadi Devita Putri Noviasari Dharmawan Dharmawan Dhofirul Fadhil Dzil Ikrom Al Hazmi Dhonanto, Donny Dian Komala Dewi Dzulfina Almukaromah EKO SUSANTO, EKO Enok Mardiah Ervina Gesti Anggraini Eva Faliyanti Eva Rolia Faizal Faizal, Faizal Fajarwati, Retno Felicia Inggit Aspurua Fikri Haikal Firmansyah, Mohamad Ardy Ginting, Canda Lesmana Gumilang, Donnie Hariandi, Yusuf Hasan Basri Hasanudin, Abdul Heri Cahyono Hidayat, Arief Rachmad Hijrah Eko Putro Himma Firdaus I Made Adianta Idris, Suria Darma Ikwal, Ahmad Ilham Aziz Aryoso Ira Vahlia istiqomah istiqomah Jessica Norenza Juhri AM Kamandanu, Ikhsan Karwono Karwono Karwono, Karwono Ketut Tara Agustin Khasanah, Al Um Aniswatun Komang Nitasari Laras Anggraini Lase, Asaeli Tongoni Lestari, Aprilia Luthfi Chusna Yeni M. Demsi Dupri Marliza Muchtar Marzuki Noor Maulana, Herlan Merie Handayani Mochammad Arsyi Mughni Mudaim Muhamad Fitri Muhamad Saidun JN Muhammad Anas Muhammad Arif Hidayatullah Muhammad Arifin Ahmad Muhammad Ilham Bakhtiar Muhammad Saleh Mukaromah, Siti Tri Nafis, Muhammad Luthfi Norenza, Jessica Novi Pristiningsih Novi Rahmawati Nugroho, Akhamad Andriyan Nurahman, Arip Nurato Nurul Atieka Nurul Atieka Nurur Rohmah Pangestu, Aulia Pani, Pani Pratiwi Kartika Putri Pujowati, Penny Puyo, Christyan Bangkit Pong Rahayu, Reni Rahmadhini, Ega Ayu Rahmatullah, Rizky Ramayana, Abdul Syamad Ramayana, Syamad Refty Aulia Restiana Rido Ardiansyah Rikko Putra Youlia Rio Aditya Saputra Rio Septora Riski Yuli Kurniawati Rohmah, Nurur Rosid, Andiana Rusmin Nuryadin Salafuddin, Hafidz Sangidatus Sholiha Sari, Anis Widya Satrio Budi Wibowo Shelly Maylinda Sholiha, Sangidatus Sholikhatun Khurniasih Sikumbang, Rama Widjaya Siti Nafiah Siti Nurhaliza Siti Nurlaila, Siti Sudirman AM Sugiyadi Sugiyadi Sunaryo Sunaryo Surya Darma Susylowati, Susylowati Sutriati, Ani Taufan Purwokusumaning Daru, Taufan Purwokusumaning Taufik Akbar Tika Nur Utami Tri Anjar Turnip, Guido Narodo U, Akhmad Zamroni Umarwan, Arie Utomo, Wahyu Tri Viona Galanita Wahyudi, Ikhsan Wardoyo Wardoyo Wijaya, Yahya Rana Wilbent Daffa, Kelvin Wiwit Suprihatiningsih Yuli Diniawati Yuni Novitasari Zakaria, Supaat Zakaria, Supaat