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All Journal Jurnal Rekayasa dan Manajemen Sistem Industri Journal of Engineering and Management in Industrial System Jurnal Rekayasa Mesin
Sari, Sylvie Indah Kartika
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Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Industrial & Manufacturing Engineering Mathematics Mechanical Engineering

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ANALYSIS OF PHYSIOLOGICAL ERGONOMICS FOR NIGHT SHIFT WORKERS CORRELATED WITH SLEEP QUALITY AND TIME TO RECOVERY Sugiono, Sugiono; Yuenyongchaiwat, Kornanong; Azlia, Wifqi; Lukodono, Rio Prasetyo; Putro, Wisnu Wijayanto; Sari, Sylvie Indah Kartika; Indrayadi, Bambang
JEMIS (Journal of Engineering & Management in Industrial System) Vol. 11 No. 2 (2023)
Publisher : Industrial Engineering Department, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jemis.2023.011.02.5

Abstract

The worker’s recovery time from physical and mental workload is a crucial factor for office and factory management and it will effect on the working performance and design working system. The aim of this paper is to investigate the impact of physiological conditions on sleep quality and time to recovery for night shift electric steam power plant workers. The research is started with study literatures on physiology ergonomics, sleep quality measurement, human metabolism, expenditure energy graph and physical/mental workload. The research worked with 50 samples (age between 30 to 45 years old) who have duty to control the electric steam power plant on dynamic computer screen in the night shift. The Pittsburgh Sleep Quality Index (PSQI) questionnaire was used subjectively to measure the value of sleep quality on 19 self – rated questions that assessed various sleep quality – related factor over the previous month. To know the speed of Time to Recovery (TTR), every worker perform a treadmill load with constant speed of 5 Km/hour for 10 minutes. Heart rate changes before activity, during activity (treatment) and TTR are recorded and it be analysed the pattern of relationship conducting to PSQI score. According to the data analysis, the higher PSQI score the longer time consume by workers to recovery. Moreover, Pearson statistic test results found that there is a strong relationship between sleep quality (PSQI value) and TTR for workers with value of 0.853. In sort, improving the quality of sleep for night shift electric steam power plant workers can definitely improve work performance on a shorter rest time or healthier conditions of workers.
Analisis Kekuatan dan Stabilitas Desain Kursi Bonceng Anak Sesuai Standar Keselamatan EN14344:2004 dengan Metode Elemen Hingga: Studi Kasus Motor Honda BeAT Series Pradipta, Adi Surya; Media, Riona Ihsan; Chrystiano, Laurensius; Susilo, Hendrawan Hadi; Lestari, Adinda Sri; Sari, Sylvie Indah Kartika
Jurnal Rekayasa Mesin Vol. 20 No. 1 (2025): Volume 20, Nomor 1, April 2025
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v20i1.6123

Abstract

Organisasi Kesehatan Dunia (WHO) melalui bukunya yang berjudul “Child Development and Motorcycle Safety (2015)” merekomendasikan kursi bonceng untuk sepeda motor yang aman sesuai tahap pertumbuhan anak. Dalam hal regulasi, Indonesia belum memiliki standar mengenai kursi bonceng anak yang aman sesuai rekomendasi WHO dan standar terkait. Sedangkan, penggunaan sepeda motor sebagai sarana transportasi bersama anak semakin umum di Indonesia. Penelitian ini bertujuan untuk menganalisis kekuatan rancangan kursi bonceng anak untuk sepeda motor matic Honda Beat series dengan mengacu pada standar EN14344:2004 tentang “Child seats for cycles-safety requirements and test methods”. Metode yang digunakan dalam menganalisis kekuatan adalah FEM (Finite Element Analysis). Analisis kekuatan dilakukan menggunakan perangkat lunak Computer Aided Engineering (CAE) pada Solidworks 2022, dengan hasil bahwa rancangan mampu menahan gaya sesuai dengan parameter keamanan yang ditentukan dalam standar EN14344:2004. Hasil ini menunjukkan bahwa rancangan kursi bonceng memiliki kekuatan dan stabilitas yang memadai untuk memastikan keselamatan anak selama berkendara.
Co-Authors Afifah, Wira Farras Ayu Purwaningsih Azlia, Wifqi Chrystiano, Laurensius Dawud, Dziyad Mubarak Debrina Puspita Andriani Dhamayanti, Annisa Shafa Erlangga, Fakhri Shafly Faaris, Sayyid Muhammad Hasibah, Shafanissa Indrayadi, Bambang Istafada, Safa Saniya Lestari, Adinda Sri Maharani, Luthfiya Intan Maryam Nabila, Fitri Pamungkas, Valentino Dimas Pradipta, Adi Surya Putro, Wisnu Wijayanto Raflitio, Muhammad Fadhel Rio Prasetyo Lukodono Riona Ihsan Media Satria, Radithya Farisi Shella, Frisicha Rama Sugiono Sugiono Sugiono, Sugiono Susilo, Hendrawan Hadi Tiarramadhan, Fadhli Ihsan Winata, Bintoro Dwi Krisna Wiyono, Erlangga Aditya Putra Yuenyongchaiwat, Kornanong