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Siswiyanti, Siswiyanti
Jurusan Teknik Industri Universitas Pancasakti Tegal, Jl. Halmahera Km.1 Tegal
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Kinerja Ergonomi Sensor ECG AD8232 Dan Pulse Oximeter Dalam Penilaian Beban Kerja Fisiologis Industri Manufaktur Siswiyanti Siswiyanti; Irfan Maulana Ramdhoni; Saufik Luthfianto; Mohammad Cipto Sugiono
Public Health and Safety International Journal Vol. 5 No. 02 (2025): Public Health and Safety International Journal (PHASIJ)
Publisher : YCMM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55642/phasij.v5i02.1196

Abstract

Penelitian ini bertujuan untuk membandingkan kinerja ergonomi (menggunakan sensor Electrocardiogram ECG- AD8232 berbasis Internet of Things (IoT)) dan (pulse oximeter) melalui pengukuran % CVL pada 21 pekerja di industry manuaktur, serta menguji apakah terdapat perbedaan signifikan secara statistik dalam pengukuran antara kedua alat tersebut. Pengujian dilakukan dengan merekam data detak jantung secara real-time, di mana sensor AD8232 dihubungkan ke mikrokontroler ESP32 dan platform Blynk, sedangkan oximeter menggunakan metode photoplethysmography (PPG) dengan tampilan langsung pada layar. Hasil penelitian menunjukkan bahwa sensor AD8232 unggul dalam kestabilan pembacaan, akurasi sinyal ECG, dan dukungan pemantauan jarak jauh, sedangkan oximeter lebih unggul dalam kemudahan penggunaan. Hasil dari pengujian berpasangan pada subjek yang sama untuk Uji distribusi normal (Shapiro-Wilk) pada data selisih CVL menunjukkan nilai p-value (0.003) lebih kecil dari tingkat signifikansi (0.05) sehingga data selisih tersebut tidak terdistribusi normal, selanjutnya hasil uji non-parametrik Uji Wilcoxon menunjukkan nilai p-value (0.146) lebih besar dari tingkat signifikansi (0.05) menunjukkan tidak ada perbedaan signifikan dalam % CVL diantara kedua Alat, sehingga kedua alat tersebut menunjukkan kinerja yang serupa dalam hal variabilitas pengukuran % CVL dan masih bisa diterima sebagai alat alternatif pemantauan denyut jantung dan perhitungan CVL.
Inovasi Alsintan Portabel Multi Fungsi Untuk Meningkatkan Ketertarikan Generasi Z Pada Sektor Pertanian Tofik Hidayat; Siswiyanti Siswiyanti; Mohammad Cipto Sugiono; Eva Anggra Yunita
Public Health and Safety International Journal Vol. 5 No. 02 (2025): Public Health and Safety International Journal (PHASIJ)
Publisher : YCMM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55642/phasij.v5i02.1197

Abstract

Rendahnya minat Generasi Z terhadap sektor pertanian menjadi tantangan serius bagi keberlanjutan ketahanan pangan nasional, khususnya pada wilayah pertanian lahan terasiring yang memiliki keterbatasan akses teknologi. Penelitian ini bertujuan mengembangkan inovasi alat dan mesin pertanian (alsintan) portabel multifungsi yang sesuai dengan karakteristik lahan terasiring serta mampu meningkatkan efisiensi kerja dan ketertarikan generasi muda pada sektor pertanian. Metode yang digunakan adalah metode rasional kreatif dengan pendekatan SCAMPER yang meliputi tahapan clarifying objectives, establishing function, setting requirements, determining characteristics, dan product improvement. Data antropometri petani digunakan sebagai dasar perancangan untuk memastikan aspek ergonomi. Hasil penelitian menunjukkan bahwa alsintan portabel multifungsi dengan berat ±13,5 kg dan dimensi 59 × 40 × 40 cm mampu menjalankan fungsi penyiangan gulma, pemotongan padi, dan perontokan padi secara efektif. Penggunaan alsintan ini meningkatkan produktivitas kerja hingga 1,5–5 kali dibandingkan metode manual serta menurunkan tingkat kelelahan petani. Inovasi ini berpotensi menjadi solusi teknologi tepat guna untuk meningkatkan minat Generasi Z terhadap sektor pertanian di wilayah lahan terasiring.
IMPLEMENTATION OF THE CIRCULAR ECONOMY THROUGH COMMUNITY EMPOWERMENT: TRANSFORMING SPENT COFFEE GROUNDS INTO AROMATHERAPY CANDLES AND ROOM FRESHENERS IN JINGKANG VILLAGE Saufik Luthfianto; M. Fajar Nurwildani; Tofik Hidayat; Siswiyanti Siswiyanti; Rusman Kosasih; Yoma Duta Wijaya; Karisma Lela Noviana
Multidisciplinary Indonesian Center Journal (MICJO) Vol. 3 No. 3 (2026): Vol. 03 No. 3 Edisi Juli 2026
Publisher : PT. Jurnal Center Indonesia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62567/micjo.v3i3.2876

Abstract

Spent coffee grounds are one of the organic wastes that remain underutilized despite their significant potential to be transformed into value-added products. This community service program aimed to enhance the knowledge and practical skills of the residents of Jingkang Village in converting spent coffee grounds into aromatherapy candles and air fresheners based on the principles of the circular economy. The program employed a Participatory Action Research (PAR) approach consisting of problem identification, program planning, training implementation, monitoring and evaluation, and reflection. The activity involved 15 participants, including community members, micro-enterprise actors, and women's community groups. Program effectiveness was evaluated using pre-test and post-test assessments and analysed through a Paired Sample t-test. The results demonstrated that the average participant score increased from 46.70 to 86.00, representing an 84.15% improvement. Statistical analysis confirmed a significant difference between pre-test and post-test scores (p < 0.001). Furthermore, all program success indicators were achieved, including a 100% attendance rate, 100% participant competency in producing the products, a participant satisfaction level of 93.30%, and all products meeting usability standards. The novelty of this program lies in integrating the Participatory Action Research (PAR) approach, circular economy principles, and quantitative statistical evaluation into a community empowerment model utilizing spent coffee grounds as value-added products. This model has strong potential to be replicated in other coffee-producing communities to promote sustainable waste management and local economic development.
Analisis Implementasi Ergonomi Kognitif Menggunakan Metode Situation Awareness Rating Technique Pada Pengemudi Bus Akap Muhammad Ramdan; Siswiyanti Siswiyanti; Saufik Luthfianto
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.61388

Abstract

The high risk of traffic accidents driven by human error particularly fatigue associated with shift work can compromise driver alertness. This study aimed to analyze the implementation of cognitive ergonomics using the Situation Awareness Rating Technique (SART) among inter-city, inter-provincial (AKAP) bus drivers on the Purbalingga-Jakarta route, specifically examining differences in situation awareness levels between morning and night shifts. A descriptive quantitative approach was employed, involving 16 drivers divided into two shifts. The results indicated an average driver age of 35 years and an average work experience of two years across both shifts. An independent sample t-test yielded a significance value of 0.063, indicating no significant difference in situation awareness between the morning and night shifts, although the mean score for the night shift was slightly lower than that of the morning shift. Recommendations include managing rest schedules, conducting periodic health check-ups, and evaluating shift rotation practices.
Evaluasi Beban Kerja Mental Metode SWAT dan Intensitas Pencahayaan Terhadap Kelelahan Operator PT XYZ Berdasarkan Waktu Reaksi Mila Mutiara Labibah; Siswiyanti Siswiyanti; M Fajar Nurwildani
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.61552

Abstract

This study analyzes the effect of mental workload and lighting intensity on operators' reaction time before and after lamp replacement, and examines differences in mental workload and reaction time resulting from the intervention. This applied quantitative study involved 32 production operators from five departments (casting, grinding, welding, assembly, and stamping), with mental workload measured using the ASWAT questionnaire adapted from SWAT (Luximon & Goonetilleke, 2001), lighting intensity measured with a lux meter referring to SNI 7062:2019, and reaction time measured using a reaction time meter. Data were analyzed using Pearson correlation, simple linear regression, the Shapiro-Wilk test, and the paired sample t-test. Results showed mental workload had a significant positive correlation with reaction time before the intervention (r=0.520; p=0.002) but weakened afterward (r=0.291; p=0.106). Lighting intensity had a significant negative correlation before the intervention (r=-0.377; p=0.034; contribution 14.2%) but was no longer significant afterward (p=0.697). Mental workload (1.84→1.72; p=0.000) and reaction time (247.29→206.56 ms; p=0.021) decreased significantly, indicating improved workplace ergonomics.
Co-Authors Abdul Ghoni, Sukma Achmad Arofik Adi Purwanto Adikusuma, Muhammad Bagus Agung, Rizaya Laksono Agustina, Lusinta Ahmad Khumaidi Ahmad Syaifullah Amanah, Inayatu Ari Kurniarum Cipto S, Moh Eva Anggra Yunita Fajar Nurwildani Hadi Asfuri Hadi Asfuri, Hadi Hidayat, Toffik Hidayati, Rokhmah Hidayatullah, Muhammad Khanif Hidayatulloh, Sarip Hidayatulloh, Sarip Inayatu Amanah Irfan Maulana Ramdhoni Kanti Lestari Karisma Lela Noviana Lagiyono . Laksono, Mujito Sandi Lutfianto, Saufik M Fajar Nurwildani M Fajar Nurwildani M. Cipto Sugiono M. Fajar Nurwildani M. Fajar Nurwildani M. Syeh Abdul Aziz Mila Mutiara Labibah Moh. Cipto Sugiono Moh. Fajar Nurwildani Mohammad Cipto Sugiono Muhammad Ramdan Mujito Sandi Laksono Mustaqim , Mustaqim . Mustaqim Mustaqim, Mustaqim N Nurjanah N Nurjanah, N N, M. Fajar Nugroho, Adityas Jati Nur Wildani, M. Fajar Nurrasyidah, Rahmi Nurwildani, Moh. Fajar Nurwildani, Mohammad Fajar Nuzair, Alfian Paryono puspita sari, lutfiana Rosalinna, Rosalinna Rusman Kosasih Rusnoto . Rusnoto Rusnoto rusnoto rusnoto Rusnoto, R Rusnoto, Rusnoto Satria Abadi Saufik Luthfianto Shidiq, M. Fajar Shidiq, M. Fajar Sholechudin ., Sholechudin Siswantoro . Srimulati, Triwik Sugiono, M. Cipto Sugiono, Moh. Cipto Suwandono . Syaifullah, Ahmad Tofik Hidayat Tofik Hidayat Urip, Arwini Waryono . Yani, Hera Yoma Duta Wijaya Zulfah . Zulfah Zulfah