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Analisis Pengaruh Variasi Beban Penumpang Terhadap Kenaikan Temperatur Baterai LifePO4 72 V 100 Ah Pada Satu Rute Operasional Shuttle Bus Listrik UNP Muhammad Rif'at; Dwi Sudarno Putra; Wagino; Toto Sugiarto; M. Sadly Firmansyah; Dicky Rohid Fikra
MSI Transaction on Education Vol 6 No 4 (2025): MSI Transaction on Education
Publisher : Minangkabau Scholar Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/mted.v6i4.192

Abstract

Penelitian ini bertujuan menganalisis pengaruh variasi beban penumpang terhadap kenaikan temperatur baterai Lithium Iron Phosphate (LiFePO₄) 72V 100Ah pada shuttle bus listrik Universitas Negeri Padang (UNP). Pengujian dilakukan menggunakan metode eksperimen lapangan dengan pemantauan temperatur melalui Battery Management System (BMS) pada rute sejauh 3,19 km dengan temperatur lingkungan awal 32°C. Variasi beban terdiri atas 3, 6, dan 11 penumpang. Hasil penelitian menunjukkan bahwa kenaikan temperatur baterai bertambah seiring meningkatnya beban, yaitu sebesar 1°C, 2°C, dan 4°C, dengan temperatur maksimum mencapai 36°C. Temperatur tersebut masih berada dalam rentang operasi optimal baterai LiFePO₄ (20–45°C), sehingga baterai memiliki performa termal yang di rekomendasikan untuk mendukung operasional shuttle bus listrik di lingkungan kampus. This study aims to analyze the effect of varying passenger loads on the temperature increase of This study aims to analyze the effect of passenger load variation on the temperature increase of a 72V 100Ah Lithium Iron Phosphate (LiFePO₄) battery in the UNP electric shuttle bus. The testing was conducted using a field experiment method with temperature monitoring through the Battery Management System (BMS) on a 3.19 km route, starting with an ambient temperature of 32°C. The load variations included 3, 6, and 11 passengers. The results showed that the battery temperature increased as the load increased, by 1°C, 2°C, and 4°C, with a maximum temperature reaching 36°C. This temperature is still within the optimal operating range for LiFePO₄ batteries (20–45°C), so the battery has the recommended thermal performance to support the operation of the electric shuttle bus on campus.
Pengaruh Penerapan Model Discovery Learning Pada Mapel Pemeliharaan Sasis dan Pemindahan Tenaga Kendaraan Ringan kelas XI TKR SMK Negeri 5 Padang Muhammad Rezki Eriyan; Wagino; Martias; Muslim
MSI Transaction on Education Vol 6 No 4 (2025): MSI Transaction on Education
Publisher : Minangkabau Scholar Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/mted.v6i4.194

Abstract

Penelitian ini bertujuan menganalisis perbedaan keaktifan dan hasil belajar siswa pada mata pelajaran Pemeliharaan Sasis dan Pemindah Tenaga Kendaraan Ringan di SMK Negeri 5 Padang melalui penerapan model Discovery Learning dan Direct Instruction. Penelitian menggunakan pendekatan kuantitatif dengan desain kuasi-eksperimen pretest-posttest control group. Sampel berjumlah 58 siswa yang dipilih secara purposive, terdiri atas 27 siswa pada kelas eksperimen dan 31 siswa pada kelas kontrol. Hasil belajar diukur menggunakan tes pilihan ganda, sedangkan keaktifan siswa dinilai melalui lembar observasi. Analisis data dilakukan secara deskriptif dan inferensial, dengan uji Mann-Whitney U karena data tidak berdistribusi normal. Rata-rata keaktifan kelas eksperimen mencapai 78,33%, lebih tinggi daripada kelas kontrol sebesar 64,17%. Nilai rata-rata posttest kelas eksperimen juga lebih tinggi, yaitu 85,6 dibandingkan 81,4. Meskipun kedua kelompok memperoleh N-Gain kategori sedang (0,459 dan 0,418), perbedaannya tidak signifikan (Asymp. Sig. = 0,154; p > 0,05). Namun, Discovery Learning menunjukkan kecenderungan meningkatkan keaktifan serta hasil belajar siswa. This study compared student engagement and learning achievement in the Light Vehicle Chassis Maintenance and Power Transmission course at SMK Negeri 5 Padang using Discovery Learning and Direct Instruction. A quantitative quasi-experimental pretest-posttest control-group design was employed. Fifty-eight students participated, including 27 in the experimental group and 31 in the control group. Learning achievement was measured using multiple-choice tests, while engagement was evaluated through classroom observation sheets. Descriptive and inferential statistics were applied. As the data violated the normality assumption, the Mann-Whitney U test was used for hypothesis testing. The experimental group achieved higher engagement (78.33%) than the control group (64.17%) and a higher mean posttest score (85.6 versus 81.4). Both groups demonstrated moderate learning gains, with N-Gain values of 0.459 and 0.418, respectively. However, the difference in achievement was not statistically significant (Asymp. Sig. = 0.154, p > 0.05). Nevertheless, Discovery Learning increased classroom engagement and showed a consistent tendency toward better academic performance overall.
Pendampingan Table Manner Integrasi Ecoliterasi Peserta Didik Disabilitas Intelektual Sebagai Bekal Life Skill Wijiastuti, Asri; Widajati, Wiwik; Anggraeny, Diah; Minarsih, Ni Made Marlin; Ekasari, Diah; Wagino, Wagino; Khairiah, Sabina
Lumbung Inovasi: Jurnal Pengabdian kepada Masyarakat Vol. 11 No. 3 (2026): September
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/linov.v11i3.6000

Abstract

Pengabdian kepada masyarakat bertujuan (1) mengedukasi peserta didik disabilitas intelektual (PDDI) tentang pentingnya konsumsi makanan bergizi dan menjaga kebersihan makanan, dan (2) meningkatkan kemandirian PDDI dalam mengelola kebutuhan makan mereka sendiri, mulai dari memilih makanan sehat, menyiapkan makanan, hingga menjaga kebersihan makanan di SLB Putra Mandiri Surabaya. Metode yang digunakan dalam memecahkan masalah mitra diawali dengan pra-tes, pelatihan inservice dan onservice, paska-tes. Peserta sejumlah 9 PDDI yang sudah mampu makan sendiri. Analisis data pra dan paska tes menggunakan uji Wilcoxon signed rank test untuk membandingkan dua kelompok data berpasangan dan P value d untuk mengukur signifikansi. Hasil kegiatan pengabdian melalui praktik disertai pemodelan dapat meningkatkan pengetahuan (Z= -2,371; p=0,018) dan keterampilan menggunakan alat makan, mengambil makanan sesuai porsi isi piringku, etika cara makan menggunakn sendok dn garpu, mencuci alat makan (Z=-2,521; p=0,012) sebagai bekal keterampilan hidup PDDI. Praktik mengambil makanan berbantuan poster “isi piringku” dan etika tatacara makan dilakukan dengan promt fisik dan verbal. Kemampuan motorik halus PDDI meningkat terkait dengan memegang sendok, garpu, menggunakan sendok-garpu, mengambil makanan, makan makanan berkuah, minum dengan gelas, mencuci alat makan yang digunakan dan mengembalikan ke rak piring. Simpulan menunjukkan bahwa deret intervensi modelling dan praktik table manner secara signifikan meningkatkan pengetahuan dan keterampilan peserta didik disabilitas intelektual. Analisis hasil nilai p menginformasikan bahwa intervensi sinergis metode modeling dan praktik langsung meningkatkan aspek kognitif sekaligus keterampilan PDDI. Enhancing Life Skills in Students with Intellectual disabilities through Table Manners and Eco-Literacy Mentoring Abstract The objectives of this community service project are: (1) to educating students with intellectual disabilities on the importance of consuming nutritious food and maintaining food hygiene, and (2) to enhancing the independence of students with intellectual disabilities in managing their own dietary needs, ranging from selecting healthy food and preparing meals to ensuring food cleanliness at SLB Putra Mandiri Surabaya.  The method employed to address the partner’s needs involves a pre-test, in-service and on-service training, and a post-test.  The participants consisted of nine individuals with intellectual disabilities (PDDI) who were already capable of self feeding. Data were analyzed using a paired t-test to assess the significance of the mean improvement, while Cohen’s d was used to measure the effect size. Conducted through practice combined with modeling, the community service activity resulted in significance improvements. Specifically, knowledge increased (Z= -2.371, p=0,018) and skills improved regarding the use of eating utensils, portioning food according to the “Isi Piringku” guidelines, dining etiquette using a spoon and fork, and washing utensils (Z= -2,521, p= 0.012). Ultimately, this activities successfully equipped the participants with essential life skills.  Guided by the “Isi Piringku” poster, the training in food scooping and dining etiquette utilized both physical and verbal prompts. This approach enhanced the students fine motor skills, specifically in holding and using a spoon and fork, scooping food, eating brothy dishes, drinking from a glass, washing utensils, and returning them to the dish rack. In conclusion, the intervention sequence (modeling and table manner practice) significantly enhanced the knowledge and skills of students with intellectual disabilities. Analysis of the p-value indicated that the synergistic intervention combining modeling and hands-on practice enhanced both the cognitive aspects and skills of students with intellectual disabilities.
Pola Keluhan Muskuloskeletal pada Tiga Mekanik Kendaraan Niaga: Studi Kasus Menggunakan Nordic Body Map Muhammad Al Rohan Afrullah; Milana; Wagino; Donny Fernandez
JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia Vol. 4 No. 3 (2026): JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jtpvi.v4i3.476

Abstract

Pekerjaan mekanik kendaraan niaga melibatkan postur dan aktivitas fisik yang dapat disertai keluhan muskuloskeletal. Penelitian ini bertujuan memetakan lokasi dan intensitas keluhan pada tiga mekanik Bengkel X menggunakan Nordic Body Map (NBM). Penelitian kuantitatif deskriptif dengan pendekatan studi kasus menggunakan NBM pada 28 bagian tubuh berskala 1–4 dan pertanyaan jawaban jamak mengenai aktivitas yang dipersepsikan berkaitan dengan keluhan. Enam bagian tubuh memenuhi kriteria operasional dominan, yaitu leher bagian atas, leher bagian bawah, bahu kiri, bahu kanan, punggung, dan pinggang. Punggung menunjukkan pola paling konsisten dengan skor 3 pada seluruh mekanik. Dari 84 penilaian bagian tubuh, 45,2% termasuk tidak sakit, 40,5% agak sakit, dan 14,3% sakit. Temuan bersifat spesifik pada studi kasus ini dan dapat digunakan sebagai skrining awal untuk memprioritaskan asesmen ergonomi objektif di Bengkel X. Commercial vehicle mechanics perform physically demanding tasks that may be associated with musculoskeletal complaints. This study aimed to identify the location and intensity of musculoskeletal complaints among three mechanics at Workshop X using the Nordic Body Map (NBM). A descriptive quantitative case-study design was applied. The NBM assessed 28 body regions on a 1–4 scale, supplemented by multiple-response questions on activities perceived to trigger complaints. Six body regions met the dominant-complaint criterion: upper neck, lower neck, left shoulder, right shoulder, back, and lower back. The back showed the most consistent complaint intensity, with all mechanics reporting a score of 3. Of 84 body-region ratings, 45.2% were classified as no pain, 40.5% as mild pain, and 14.3% as pain. These findings provide preliminary screening information for prioritizing objective ergonomic assessment at Workshop X and should not be interpreted as population prevalence or causal evidence.
Co-Authors - Primawati AA Sudharmawan, AA Abdullah, MT, Dr. Rijal Agus Baharudin Ahmad Arif Ahmad Arif Ahmad Ilham Akmal Akmal Alfian Asra Altifani Dasla Alyauma Fuadi Ambiyar, Ambiyar Amira, Luqyana Dhiya Andrizal Andrizal Andrizal Andrizal Andrizal Andrizal Andry Amanda Batubara Angga Bahri Pratama Anggraeny, Diah Arbi, Riski Prasetya Ari Muhammad Nur Asmar Yulastri ASRI WIJIASTUTI Aulia Novira Awaludin Awaludin, Awaludin Baehaqi Bahri, Muhammad Jihadvi Athiya Bahri Bahrul Amin Beny, Acep Ovel Novari Dandi Bakti Darul Afdal Dedi Kurniawan Dedi Setiawan Delima Yanti Sari Deris Oktageri Dicky Rohid Fikra Diky Hendra Pratama Donny Fernandez Donny Fernandez Dori Yuvenda Dwi Sudarno Putra Eddi Supriadi Edi Setiyo Ekasari, Diah Endang Pudjiastuti Sartinah ENDANG PURBANINGRUM Ernawati Ernawati Erzeddin Alwi Fadli Randa Faisal Amri Faisal Amri Farid Maulana Hardi Fauzan Zharbaini Febri Prasetya Fina, Alfina Zaharra Firdaus, Jeri Rizal Firmansyah, Muhammad Lutfi Ganefri . Gilang Ramadhan Giyano Lesmana Guntoro Guntoro, Guntoro Haerunnisa, Indah Hansi Effendi Haris Abizar, Haris Hariyadi Hariyadi Hariyadi Hariyadi Harris Yudha Pratama Hasan Maksum Hasnul Fikri Hatta, Mega Amelia Prihatini Hendra Dani Saputra Hendra Dani Saputra Hermien Laksmiwati Herwin Herwin I Ketut Budayasa Ismail Ismail Jamhur, Annisak Izzaty Khairiah, Sabina Koto, Rahmat Desman Kurniadi, Denny Kutni Lasyatta Syaifullah Lise Asnur M Nasir M Nasir M. Giatman M. Nasir M. Sadly Firmansyah M. Sadly Firmansyah M. Yasep Setiawan M.Riki Rinaldi Mahesi Agni Zaus Martias Martias Masykur Masykur Maulana Pasaribu Maulina, Viny Mawaddah, Tarisya Milana Milana Minarsih, Ni Made Marlin Mohammad Syahidul Haq Muhammad Al Rohan Afrullah Muhammad Andre Nasrinur Andre Muhammad Edya Rosadi Muhammad Rezki Eriyan Muhammad Rif'at Muhammad Rifqi Muhammad Sawaludin Murtadlo Murtadlo Muslim Muslim Muslim Muslim Muslim Nanda, Iffarial Nanda, Iffarial Naufal Alifka Nenden Azka Zakhiha Nindito Niratama, Fairus Nizwardi Jalinus Nur Alamsyah, Nur Nur Asiah Nur, Ari Muhammad Nurdin Hendri Nurhasan Syah Nurindah Dwiyani Nurjaman, Maman Nuzul Hidayat, Nuzul Octanina Sari Sijabat Oktavianza, Zifa Pamuji Pamuji, Pamuji Prameswari, Aloysia Dian Nimas Pratama, Moh Yoga Pratama Pratama, Ridho Purwanto, Wawan Putra, Irwan Agusnu Putra, Rafi Adika Putra, Randi Purnama Putra, Rizky Kurnia Putri Mayang Sari, Putri Mayang Putri, Anugera Septidwi Putri, R. Agtiani Qodri Suhelmi Rahma Doni Rahmad Syah Putra Rahmadi Agus Rahmadiawan, Dieter Rahman Alfajri Rahmat Desman Koto Rahul Fuaddi Raihan Oktarilta Ramadhan S, Yasir Rasyidan, Muhammad Ratna, Silvia Refdinal, Refdinal Refdinal, Refdinal Refdinal, Refdinal Regi Valentio Remon Lapisa Retno Wahyudi Ridho Pratama Ridhwan Anthony Ridwan Ridwan Ridwan Ridwan Ridwan, Ridwan Rifdarmon, Rifdarmon Rina Maharany Rizqi Elmuna Hidayah Rofiah, Khofidotur Roosmawati, Febriana Rusdiman Sa'adah, Agis Amelia Safitri, Rahmadona Salahudin R, Fahrul saragih, wismaroh Sari, Desi Mayang Savitri, Wici Aan Setyowati, Nur Aini Dwi Siahaan, Megawati Sikki, Nurhaeni Simatupang, Wakhinuddin Siregar, Batu Mahadi Siti Ina Savira, Siti Ina Siti Masitoh Sofi, Abdullah Sri Joeda Andajani Sugeng Susanto Sugiarto, Toto Sugiartono Sugiartono Sukardi, Sukardi Sulasih Sulasih Sulastri, Ayu Tarigan, Lui Jemtanta Teguh Primadana Tiara Mahardika Toto Sugiarto Toto Sugiarto Tridiliyanto, Anna Usmeldi Usmeldi Wahyu Yadispama Maiga Wahyuni, Silvy Dwi Wakhinuddin S Wakhinuddin Wakhinuddin, Wakhinuddin Wanda Afnison Wawan Purwanto Weny Late Afriza Wimahatta, Muhammad Wiwik Widajati Yasir Ramadhan S Yondri Efrizal Yori Syaida Yuliana Yuliana Yuliati - Yuliyati Yuliyati, Yuliyati Yuniswar, Yuniswar Zapit, Dandi Wahyudi