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All Journal Sinergi Bincang Sains dan Teknologi
Sakundarini, Novita
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Transportation

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E-Waste Recycling and Why It Is Important Ghazali, Ihwan; Sakundarini, Novita
Bincang Sains dan Teknologi Vol. 3 No. 01 (2024): Bincang Sains dan Teknologi
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/bst.v3i01.502

Abstract

The exponential growth of electronic waste (e-waste) has become a pressing concern. This alarming trend is expected to persist. The study identifies falling prices as a primary driver behind the surge in e-waste, making electronic devices more affordable and accessible globally. Developing countries, particularly in Asia, bear a significant share of this burden, as a burgeoning middle class with disposable incomes contributes to increased purchases and frequent replacements of electronic goods. Asia alone accounts for more than 40 percent of the global e-waste generated. The critical need for urgent and coordinated global efforts to address the escalating challenge of e-waste. It highlights the environmental hazards posed by improper disposal and the socio-economic impact on developing regions. As electronic consumption continues to rise, effective strategies must be implemented to mitigate the adverse effects of e-waste, emphasizing sustainable practices, responsible manufacturing, and international collaboration.
Verification of a 3-Degree-of-freedom Bus Handling Model Due to Steering Wheel Input Hakima, Muhammad Akhmal; Aparowa, Vimal Rau; Abd Kadir, Zulkiffli; Sakundarini, Novita; Hudha, Khisbullah; Amer, Noor Hafizah
SINERGI Vol 29, No 2 (2025)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2025.2.022

Abstract

This paper discusses about the development and modeling of a 3-DOF (Degrees of Freedom) bus handling model in response to steering wheel input from the driver. It includes all the relevant mathematical equations. The handling model was created using MATLAB/Simulink, incorporating parameters from TruckSim data to accurately represent the bus. The simulation results were verified by comparing them with TruckSim responses from two test procedures namely double lane change and single lane change tests. The comparison focuses on trends, magnitudes and percentage differences between the developed model and TruckSim results. In the double-lane change test, the largest percentage difference observed was 7%, while the smallest was 0.5% for yaw rate and longitudinal acceleration, respectively. In the single-lane change test, the largest percentage difference was 7.27% for lateral acceleration, and the smallest was 1.5% for yaw rate. The verification indicates that the simulation model closely aligns with TruckSim trends and can be effectively used for further study of bus dynamics in various scenarios.
Co-Authors Abd Kadir, Zulkiffli Amer, Noor Hafizah Aparowa, Vimal Rau Hakima, Muhammad Akhmal Ihwan Ghazali Khisbullah Hudha, Khisbullah