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All Journal International Journal of Advances in Applied Sciences Jurnal Keperawatan Jurnal Teknik Industri Prosiding Seminar Nasional MIPA CAUCHY: Jurnal Matematika Murni dan Aplikasi Info-Teknik Prosiding SI MaNIs (Seminar Nasional Integrasi Matematika dan Nilai-Nilai Islami) Journal of Energy, Mechanical, Material and Manufacturing Engineering Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS Community Development Journal: Jurnal Pengabdian Masyarakat Indonesian Community Journal Logic : Jurnal Rancang Bangun Dan Teknologi Jurnal Polimesin Evrimata: Journal of Mechanical Engineering
Moh. Hartono
Politeknik Negeri Malang
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Performance analysis of solar electric scooters with different charger controllers Asrori, Asrori; Susilo, Sugeng Hadi; Adiwidodo, Satworo; Faizal, Elka; Martawati, Mira Esculenta; Hartono, Moh.
International Journal of Advances in Applied Sciences Vol 13, No 4: December 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v13.i4.pp1028-1038

Abstract

This study investigates the impact of solar charge controller (SCC) type on battery charging in solar-powered electric scooters (e-scooters). The research compared maximum power point tracking (MPPT) and pulse width modulation (PWM) controllers by monitoring average output power, current, and voltage every 10 minutes. Results showed that under stationary conditions, MPPT controllers delivered higher efficiency, generating 5.87 W of power compared to PWM's 5.05 W. This advantage persisted even during scooter operation, with MPPT controllers producing 4.91 W versus PWM's 4.31 W. Overall, the findings demonstrate that MPPT SCCs offer a more efficient solution for charging e-scooter batteries.
UPAYA PENINGKATAN PRODUKTIVITAS UMKM HASIM FURNI SIDOARJO MELALUI MODIFIKASI MESIN AMPLAS KAYU Mufarrih, AM.; Rohman, Fatkhur; Monasari, Ratna; Amrullah, Utsman Syah; Hartono, Moh.
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 5 No. 5 (2024): Vol. 5 No. 5 Tahun 2024
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v5i5.35608

Abstract

UMKM Hasim Furni adalah salah satu industri kerajinan kayu di Kabupaten Sidoarjo yang bergerak di bidang manufaktur furniture setengah jadi, khususnya dalam pembuatan kaki-kaki kursi, kaki-kaki lemari, kaki-kaki meja, dan hiasan lain untuk pesanan perusahaan manufaktur furniture. Proses produksi furnitur setengah jadi tidak terlepas dari tahap pengamplasan. Ketidaknyamanan posisi kerja memperlambat penyelesaian pekerjaan, yang pada akhirnya mengurangi produktivitas mesin amplas kayu. PPM ini dilakukan untuk memodifikasi mesin amplas kayu supaya lebih produktif dan nyaman digunakan. Metode penyelesaiannya meliputi; survey lapangan, analisis ergonomis menggunakan RULA, modifikasi mesin amplas kayu, pemasangan mesin amplas kayu hasil modifikasi, pembuatan SOP pengoperasian mesin amplas kayu, dan pelatihan penggunaan mesin amplas kayu. Hasil modifikasi mesin amplas kayu ini berhasil membuat posisi kerja yang nyaman sehingga produktivitas kerja dan kapasitas produksi meningkat. Analisis ergonomis menggunakan RULA dijadikan referensi untuk menentukan dimensi mesin amplas yang dirancang. Aspek ergonomi dipertimbangkan dalam perancangan fasilitas dan lingkungan kerja agar lebih efektif dan nyaman, sehingga produktivitas dapat meningkat.
The Effect of Chiller and Hot Runner Temperature on Appearance of 100 mL Pet Bottle Products Through the Stretch Blow Molding Process Moh. Hartono; Prihadi Mulya Pradana
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 24 No. 3 (2024): November
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v24i3.117-128

Abstract

The using of plastic in human life is increasing over time. This increase occurs because plastic is not easily broken, flexible, practical, economical, and can replace the function of other items. One of the plastic molding processes is Injection Stretch Blow Molding, a plastic molding machine method that combines two processes, namely injection molding and stretch blow molding. The injection stretch blow molding process is a plastic molding machine that is melted and then injected into the mold to form a preform that is stretched and blown to form the product. This machine has a high level of precision so that the aspects of strength and appearance quality on the packaging bottle are the main assessment. The aim of this research is to determine the effect of temperature parameters on black spots, stripes and stripes on 100 mL PET bottle products. It is necessary to handle chiller temperature, hot runner temperature as independent variables in printing preforms.  The control variables are material composition, cycle time, holding time, and component gap position. This type of research is experimental research and the processing method used in this research uses the design of experiments using statistical software. The level of variation in hot runner temperature parameter settings is 265°C, 270°C, and 275°C and chiller temperature is 17°C, 18°C, and 19°C. From the results of this research, it can be concluded that the significant parameters used for the chiller are 18°C, the appearance defect is 0.2% and for the hot runner it is 270°C, the appearance defect is 0.4%. This number is a significant parameter that produces fewer appearance defects for 100 mL PET bottle products in order to reduce the number of rejects.
ANALYSIS OF THE IMPACT TEST STRENGTH OF SQUID FIBRE-REINFORCED COMPOSITES Fiky Firmansyah; Moh. Hartono
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 25 No. 2 (2025): July
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v25i2.117-125

Abstract

This study aims to determine the effect of volume fraction, fibre angle direction, and fibre length on the impact strength of squid fibre-reinforced composites. Squid fibre is a natural animal fibre that has excellent potential in the development of composite materials. The use of squid fibre as a composite reinforcement can be an alternative to reduce organic waste from marine products and produce new composite materials in sustainable manufacturing applications. The research method was conducted with quantitative experiments to determine the effect of fibre volume fraction with variations of 25%, 50%, and 75%; fibre angle direction with variations of 45° and 90°; and fibre length with variations of 20 mm, 30 mm, and 40 mm. This study used the Factorial DOE statistical data analysis method. The results showed that volume fraction and fibre length significantly affected the impact strength of the composite. The higher the volume fraction and fibre length, the higher the impact strength value of the composite. Meanwhile, the direction of fibre did not show a significant effect. The 75% volume fraction produced the highest impact strength of 0,0738 J/mm², and the 25% volume fraction produced the lowest value of 0,066 J/mm². The 45° fibre direction produced an impact strength value of 0,07098 J/mm², and the 90° fibre direction produced a value of 0,07097 J/mm². The 40 mm fibre length produced the highest impact strength value of 0,078 J/mm², and the 90° fibre direction produced a value of 0,07097 J/mm².
Pemberdayaan Kambing Peternak melalui Pembuatan Kandang yang Bersih dan Sehat di Dusun Tanjung, Kecamatan Singosari, Kabupaten Malang Witono, Kris; Agustriyana, Lisa; Dani, Agus; Hartono, Moh.; Machfuroh, Talifatim
I-Com: Indonesian Community Journal Vol 5 No 4 (2025): I-Com: Indonesian Community Journal (Desember 2025)
Publisher : Fakultas Sains Dan Teknologi, Universitas Raden Rahmat Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/i-com.v5i4.8227

Abstract

Dusun Tanjung, Desa Banjararum, Kecamatan Singosari, Kabupaten Malang, memiliki potensi besar dalam sektor peternakan kambing karena kondisi geografis dan iklim yang mendukung. Namun, peternak masih menghadapi kendala seperti kandang yang kurang layak, minimnya pengetahuan manajemen kandang, dan rendahnya produktivitas ternak. Kegiatan Pengabdian kepada Masyarakat (PPM) oleh tim Politeknik Negeri Malang bertujuan memberdayakan peternak melalui pembangunan kandang bersih dan sehat serta peningkatan kemampuan pengelolaan kandang. Pelaksanaan dilakukan melalui sosialisasi, pembangunan kandang, pendampingan, dan evaluasi hasil. Hasil kegiatan menunjukkan peningkatan pemahaman peternak tentang pentingnya fasilitas kandang yang baik, terutama pada aspek ventilasi, kebersihan, dan sistem pembuangan limbah. Selain itu, kegiatan ini memperkuat kolaborasi antara akademisi dan peternak. Ke depan, akan dikembangkan pengolahan limbah ternak menjadi pupuk organik melalui pelatihan teknologi sederhana guna mendukung keberlanjutan peternakan di Dusun Tanjung.
Co-Authors Akbar, Fadilah Ali Djamhuri AM Mufarrih Amrullah, Utsman Syah Anggit Murdani Asrori Asrori Bagus Wahyudi Dani, Agus Dr. Dra. Utami Retno Pudjowati, M.Si Elief Yuniarti Elief Yuniarti, Elief Etik Puspitasari, Etik Faizal, Elka Fatkhur Rohman Fiky Firmansyah Ismoyo, Ramadhan Araya Kris Witono Lisa Agustriyana Martawati, Mira Esculenta Moh. Hafiyusholeh Moh. Nasir Hariyanto Monasari, Ratna Mutia Lina Dewi Nanang Qosim Nila Alia Nugroho, Pipit Wahyu Nurvian Amrullah, Radhi Pondi Udianto Pradana, Prihadi Mulya Prihadi Mulya Pradana Pudjowati, Utami Retno Purwanto, Raden Edy R.N. Akhsanu Takwim, R.N. Akhsanu Samsul Hadi Satworo Adiwidodo Subagiyo Subagiyo Subagiyo Subagiyo Susilo, Sugeng Hadi Talifatim Machfuroh, Talifatim Utami Pudjowati Widjajanti, Kristina Widodo, Yuniarto Agus Yoyok Heru P.I Yoyok Heru P.I, Yoyok Yuniar Farida