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All Journal Jurnal Pengabdian Masyarakat (ABDIRA) JUSTI (Jurnal Sistem dan Teknik Industri)
Hardiyanti, Mega Rahayu
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ANALISIS PERAMALAN PERMINTAAN PRODUK KANON DENGAN METODE TRIPLE EXPONENTIAL SMOOTHING DAN METODE AUTOREGRESSIVE INTEGRATED MOVING AVERAGE (ARIMA) (STUDY KASUS : PT.PETROKIMIA KAYAKU) Ananda, Chika Fena; Negoro, Yanuar Pandu; Hidayat, Hidayat; Hardiyanti, Mega Rahayu; purwanto, Purwanto
JUSTI (Jurnal Sistem dan Teknik Industri) Vol 5 No 1 (2024): justi
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/justicb.v5i1.9384

Abstract

Penelitian ini dilatar belakangi oleh permasalahan yang dihadapi PT. Petrokimia Kayaku Gresik Pabrik 1 pada bagian PPIC, yakni masalah yang timbul ketersediaan barang masih tidak sesuai dengan permintaan. Tujuan dari penelitian ini adalah untuk menganalisis permintaan, ini menjadi kunci untuk meminimalkan risiko kekurangan stok dan memaksimalkan keuntungan perusahaan. Metode yang digunakan dalam penelitian ini adalah Triple Exponential Smoothing dan metode Autoregressive Integrated Moving Average (ARIMA) (1,1,1) (0,1,1). Hasil penelitian menunjukkan bahwa metode yang lebih baik adalah metode Triple Exponential Smoothing yang beracuan pada nilai keakuratan terkecil dan verifikasi peramalan yang terkendali. Sehingga dapat meminimalkan risiko kekurangan stok untuk kedepan dan memaksimalkan keuntungan perusahaan.
Pelatihan Pemrograman Arduino menggunakan Wokwi Simulator di SMK Mambaul Ulum Kebomas-Gresik Khoirunnisaa, Alfi Zuhriya; Hardiyanti, Mega Rahayu
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 6, No 1 (2026): Abdira
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v6i1.1262

Abstract

The Arduino UNO microcontroller is a microcontroller widely used by vocational high school students to design Internet of Things-based projects or intelligent systems in the field of industrial automation. However, some obstacles in making projects using Arduino hardware include unstable data communication, signal interference/noise, wiring errors and component compatibility. Therefore, it is necessary to introduce the Wokwi Simulator to minimize the occurrence of these obstacles. The Wokwi simulator is a simulation for creating prototypes using IoT-based Arduino virtually. The use of this simulator can help vocational high school students in designing industrial automation projects virtually, without purchasing electronic components first. The method used is a theoretical explanation of the Wokwi simulator and direct practice in making IoT-based prototypes using the Wokwi simulator in groups. The results of this community service program include increasing the knowledge and skills of vocational high school students in using the Wokwi simulator both in theory and practice. This was obtained from the post-test results of vocational high school students who got an average score of 94.
Sosialisasi Mengenai Keselamatan dan Kesehatan Kerja pada Bidang Listrik di SMK Nurul Islam Hardiyanti, Mega Rahayu; Priyana, Efta Dahrtikasari
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 6, No 1 (2026): Abdira
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v6i1.1316

Abstract

This community service program aimed to strengthen students’ understanding of Occupational Safety and Health (OSH), particularly for Electrical Engineering students at SMK Nurul Islam. During practical sessions, students often face risks such as electrical leakage, electric shock, and fire hazards. The activity included theoretical counseling on basic OSH concepts, guidance on electrical and fire safety, and mentoring discussions focused on identifying and preventing electrical hazards. This approach provided students with active, practical learning experiences that supported the direct application of knowledge in laboratory and workshop environments. The program also emphasized the importance of recognizing potential hazards before performing any task to minimize the likelihood of accidents. The results showed increased student competence in understanding electrical risks, applying preventive measures, and responding to fire emergencies. Overall, this activity is expected to serve as a preventive effort to reduce work-related accidents among vocational students during electrical practice in their daily practical activities.
Co-Authors Ananda, Chika Fena Hidayat Hidayat MT., Ir. Endah Budi Purnomowati Alfi Zuhriya Khoirunnisaa MT. ST. Ali Mustofa Priyana, Efta Dahrtikasari Purwanto Purwanto Yanuar Pandu Negoro