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All Journal Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah
Bintang Dwi Cahya
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Industrial & Manufacturing Engineering Social Sciences

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Pengaruh Beban Kerja, dan Kepribadian Terhadap Kepatuhan Kerja di PT. Pindo Deli Pulp and Paper Mills 1 Bintang Dwi Cahya; Enjang Suherman; Laras Ratu Khalida
Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah Vol. 6 No. 11 (2024): Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/alkharaj.v6i11.3747

Abstract

The purpose of this study was to identify the partial and joint impact of workload and personality on the level of work compliance at PT Pindo Deli Pulp and Paper Mills 1. The analysis method used is multiple linear regression using spss26 calculations. This population is employees of PT Pindo Deli Pulp and Paper Mills 1 with a total of 350 people using the slovin formula with a level of 5%, namely 187 respondents, This sampling applies to test validity, reliability, correlation, and hypotheses with the t test (partial) and F test (simultaneous). The results showed that there was a partial impact of workload on work compliance with a value of 2.086 quite high category,, 2) personality on work compliance with a value of 2.510 kstegori quite high 3). Together, work discipline and work environment also affect the level of work compliance, with a calculated F value of 21.581, which is significant (exceeding the critical value of 3.04). The combined effect of workload and personality on work compliance at PT Pindo Deli Pulp and Paper Mills 1 reached 19.0%.
Optimalisasi Sistem Kendali PID Pada Pembangkit Listrik Tenaga Surya Untuk Stabilitas Tegangan Bintang Dwi Cahya; Beni Satria; Hamdani Hamdani
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 1 (2026): April: Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v5i1.7896

Abstract

This research focuses on optimizing the control system to improve voltage stability in a 10 kW Solar Power Plant (PLTS) located in a tropical region. The main issue addressed is voltage fluctuation caused by the intermittent nature of solar radiation (200–1200 W/m²) and temperature variations (20–50°C), which result in up to 12% overshoot in the inverter. The proposed method implements a Proportional-Integral-Derivative (PID) controller optimized using the Particle Swarm Optimization (PSO) algorithm with real-time irradiation input data. The research integrates a 100 Hz digital low-pass filter to mitigate sensor noise under low irradiation conditions. Simulation results show that the PID-PSO system successfully reduces overshoot from 12.1% to 4.2% under high irradiation, and decreases settling time from 0.62 seconds to 0.31 seconds. The digital filter effectively reduces measurement deviation from 7.2% to 2.8% at 200 W/m² irradiation. The PSO optimization achieved optimal convergence within 37 iterations with an Integral of Time-weighted Absolute Error (ITAE) value of 0.18. This study concludes that the implementation of PID-PSO with a digital filter significantly enhances the voltage stability of the PLTS by 20.3% compared to conventional PID control and is ready to be applied in tropical-region smart grid systems.
Co-Authors Beni Satria Hamdani . Laras Ratu Khalida