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All Journal G-Tech : Jurnal Teknologi Terapan Implikasi: Jurnal Manajemen Sumber Daya Manusia
Muhammad Tegar Irsyadi
Universitas Teknologi Nusantara, Indonesia
Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Engineering

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Application of Holt’s Double Exponential Smoothing for Electrical Energy Demand Forecasting in an Assembly and Welding Manufacturing Facility Harun Indra Kusuma; Yulizan Rizki; Bambang Darmono; Liza Mahera; Dita Aulia; Muhammad Tegar Irsyadi; Muhammad Zeinny Hasbunallah Sasmita; Ruli Haris; Femy Novalia
G-Tech: Jurnal Teknologi Terapan Vol 10 No 2 (2026): G-Tech, Vol. 10 No. 2 April 2026
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v10i2.9456

Abstract

This study aims to accurately forecast short-term electrical energy demand in a Jabodetabek industrial facility to support sustainable manufacturing and precise utility management. To address the highly dynamic and non-stationary nature of energy consumption, this research applied Holt’s Double Exponential Smoothing method. A 24-month historical dataset, spanning from January 2024 to December 2025, was analyzed to generate a six-month operational projection. Model performance was rigorously evaluated using Mean Absolute Deviation (MAD), Mean Square Error (MSE), and Mean Absolute Percentage Error (MAPE). The forecasting demonstrated outstanding predictive accuracy, yielding a MAPE of 1.26%, a MAD of 20,79, and an MSE of 690.40. The projection indicates a consistent linear escalation, with energy demand expected to reach 2.020,72 MWh by mid-2026.These findings confirm that Holt’s algorithm effectively captures underlying linear trends without seasonal behaviors. Integrating this precise mathematical model into standard procedures provides crucial early warning signals for capacity planning, mitigates utility shortages, and strongly supports the strategic mandate of green operations.
The Effect Of Training And Work Discipline On Employee Performance At Astera Hotel Bintaro In South Tangerang City Teul Panda Banjal; Muhammad Tegar Irsyadi; Ruli Haris; Riki Haryono; Harun Indra Kusuma; Agung Tri Putranto
Implikasi: Jurnal Manajemen Sumber Daya Manusia Vol 4 No 1 (2026): Implikasi: Jurnal Manajemen Sumber Daya Manusia
Publisher : Management Science Doctoral Program, Pasundan University, Bandung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56457/implikasi.v4i1.996

Abstract

This study aims to determine the effect of training and work discipline on employee performance at Astera Hotel Bintaro in South Tangerang City. The method used is explanatory research with sampling using saturated samples where all members of the population are used as samples so that the sample in this study amounted to 82 respondents and the data analysis technique uses statistical analysis with regression, correlation, determination and hypothesis testing. The results of this study indicate that training has a positive and significant effect on employee performance as evidenced by the hypothesis test obtained t count > t table or (8.758 > 1.990) with an influence contribution of 49.0%. Work discipline has a positive and significant effect on employee performance as evidenced by the hypothesis test obtained t count > t table or (7.071 > 1.990) with an influence contribution of 38.5%. Training and work discipline simultaneously have a positive and significant effect on employee performance as evidenced by the hypothesis test obtained F count > F table or (49.407 > 3.110) and obtained the regression equation Y = 9.303 + 0.465X1 + 0.305X2 and has an influence contribution of 55.6%.
Co-Authors Agung Tri Putranto Aulia, Dita Bambang Darmono Femy Novalia Haryono, Riki Kusuma, Harun Indra Liza Mahera Muhammad Zeinny, Muhammad Zeinny Hasbunallah Sasmita Ruli Haris Ruli Haris Teul Panda Banjal Yulizan Rizki