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Multi-criteria Decision Making to Improve Displacement Amplification Ratio of an Amplifying Compliant Mechanism Flexure Hinge

DOI : 10.5614/j.eng.technol.sci.2025.57.6.5
Ngoc Thai Huynh (1), Van Nam Huynh (2), Quoc Nhiem Tran (3), Chi Bao Phan (4), Minh Hung Vu (5), Trieu Khoa Nguyen (6), Quoc Manh Nguyen (7)
(1) Faculty of Mechanical Engineering and Technology, Ho Chi Minh City University of Industry and Trade, 140 Le Trong Tan, Tay Thanh Ward, Ho Chi Minh City 700000, , Viet Nam ,
(2) Faculty of Mechanical Engineering and Technology, Ho Chi Minh City University of Industry and Trade, 140 Le Trong Tan, Tay Thanh Ward, Ho Chi Minh City 700000, , Viet Nam ,
(3) Faculty of Mechanical Engineering and Technology, Ho Chi Minh City University of Industry and Trade, 140 Le Trong Tan, Tay Thanh Ward, Ho Chi Minh City 700000, , Viet Nam ,
(4) Faculty of Mechanical Engineering and Technology, Ho Chi Minh City University of Industry and Trade, 140 Le Trong Tan, Tay Thanh Ward, Ho Chi Minh City 700000, , Viet Nam ,
(5) Faculty of Fundamental Sciences, PetroVietnam University, Ho Chi Minh City 700000, , Viet Nam ,
(6) Faculty of Mechanical Engineering, Industrial University of Ho Chi Minh City, 12 Nguyen Van Bao Street, Hanh Thong Ward, Ho Chi Minh City 700000, Viet Nam ,
(7) Faculty of Mechanical Engineering, Hung Yen University of Technology and Education, Hung Yen 160000, , Viet Nam
791-816
Abstract : 640
PDF : 207
DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.6.5

Evaluation of the Consolidation Parameters Obtained from Laboratory Tests for Numerical Modeling of Improved Soft Soil Using PVD at Semarang - Demak Toll Road, Indonesia

DOI : 10.5614/j.eng.technol.sci.2025.57.2.5
Undayani Cita Sari (1), Sri Prabandiyani Retno Wardani (2), Agus Setyo Muntohar (3), Windu Partono (4)
(1) Department of Civil Engineering, Faculty of Engineering, Universitas Diponegoro, Jalan Prof. Soedarto, Semarang 50275, Indonesia ,
(2) Department of Civil Engineering, Faculty of Engineering, Universitas Diponegoro, Jalan Prof. Soedarto, Semarang 50275, Indonesia ,
(3) Department of Civil Engineering, Faculty of Engineering, Universitas Muhammadiyah Yogyakarta, Jalan Brawijaya Tamantirto, D.I. Yogyakarta. 55183, Indonesia ,
(4) Department of Civil Engineering, Faculty of Engineering, Universitas Diponegoro, Jalan Prof. Soedarto, Semarang 50275, Indonesia
196-213
Abstract : 1321
PDF : 915
DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.2.5

Dynamics Responses of a Block Machine Foundation and a Pile Group Foundation Systems on Stratified Residual Soils in Indonesia by Lumped Mass and Finite Element Methods

DOI : 10.5614/j.eng.technol.sci.2024.56.2.6
Endra Susila (1), Wim Ramartsa Ary (2), Andhika Sahadewa (3), Karina Meilawati Eka Putri (4), Ediansjah Zulkifli (5), Kresno Wikan Sadono (6)
(1) Department of Civil Engineering, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,
(2) Department of Civil Engineering, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,
(3) Department of Civil Engineering, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,
(4) Department of Civil Engineering, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,
(5) Department of Civil Engineering, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia, Indonesia ,
(6) Department of Civil Engineering, Faculty of Engineering, Universitas Diponegoro, Jalan Prof. Sudarto No.13, Semarang 50275, Indonesia , Indonesia
244-265
Abstract : 705
PDF : 410
DOI: https://doi.org/10.5614/j.eng.technol.sci.2024.56.2.6

Properties of Hydrochar Derived from Arabica Coffee Agro-Industry Residues under Wet Torrefaction Method

DOI : 10.5614/j.eng.technol.sci.2024.56.6.2
Nyakty Shalihah (1), Adi Setiawan (2), Muhammad Muhammad (3), Shafira Riskina (4)
(1) Magister Program in Renewable Energy Engineering, Faculty of Engineering, Universitas Malikusssaleh, Jalan Batam, Bukit Indah 24352, Lhokseumawe, Indonesia ,
(2) Mechanical Engineering, Faculty of Engineering, Universitas Malikusssaleh, Jalan Batam, Bukit Indah 24352, Lhokseumawe, Indonesia ,
(3) Chemical Engineering, Faculty of Engineering, Universitas Malikusssaleh, Jalan Batam, Bukit Indah, 24352, Lhokseumawe, Indonesia ,
(4) Center of Excellence-Technology of Natural Polymer and Recycle Plastics (CoE-TechnoPlast) Universitas Malikussaleh, Jalan Batam, Bukit Indah, 24352, Lhokseumawe, Indonesia
692-703
Abstract : 1155
PDF : 382
DOI: https://doi.org/10.5614/j.eng.technol.sci.2024.56.6.2

Classifying Coal Mine Pillar Stability Areas with Multiclass SVM on Ensemble Learning Models

DOI : 10.5614/j.eng.technol.sci.2024.56.1.8
Gatot Fatwanto Hertono (1), Ridho Kresna Wattimena (2), Gabriella Aileen Mendrofa (3), Bevina Desjwiandra Handari (4)
(1) Department of Mathematics, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Kampus Baru UI, Depok 16424, Indonesia , Indonesia ,
(2) Mining Engineering Study Program, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10 Bandung 40132, Indonesia, Indonesia ,
(3) Department of Mathematics, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Kampus Baru UI, Depok 16424, Indonesia , Indonesia ,
(4) Department of Mathematics, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Kampus Baru UI, Depok 16424, Indonesia , Indonesia
95-109
Abstract : 770
PDF : 171
DOI: https://doi.org/10.5614/j.eng.technol.sci.2024.56.1.8

Research on Lightweight Rail Vehicle Body Based on Sensitivity Analysis

DOI : 10.5614/j.eng.technol.sci.2024.56.3.4
Jian Yin (1), Qingchao Zhang (2), Xianglong Li (3), Yaoyao Zhu (4), Ziyuan Liu (5), Yu Liu (6), Zhihua Sha (7)
(1) School of Mechanical Engineering, Dalian Jiaotong University, No. 794 Huanghe Road, Shahekou, Dalian and 116028, China , China ,
(2) School of Mechanical Engineering, Dalian Jiaotong University, No. 794 Huanghe Road, Shahekou, Dalian and 116028, China , China ,
(3) School of Mechanical Engineering, Dalian Jiaotong University, No. 794 Huanghe Road, Shahekou, Dalian and 116028, China , China ,
(4) Nanjing Metro, No.228 Zhongshan Road, Xuanwu, Nanjing and 210018, China, China ,
(5) School of Mechanical Engineering, Dalian Jiaotong University, No. 794 Huanghe Road, Shahekou, Dalian and 116028, China , China ,
(6) School of Mechanical Engineering, Dalian Jiaotong University, No. 794 Huanghe Road, Shahekou, Dalian and 116028, China , China ,
(7) School of Mechanical Engineering, Dalian Jiaotong University, No. 794 Huanghe Road, Shahekou, Dalian and 116028, China , China
353-366
Abstract : 609
PDF : 488
DOI: https://doi.org/10.5614/j.eng.technol.sci.2024.56.3.4

Reliability-based Design Optimization (RBDO) Study Applied to the Thermal Management of a Multi-Led Chip Package

DOI : 10.5614/j.eng.technol.sci.2024.56.4.8
Houda Elnouino (1), Omar Bendaou (2), Othmane Bendaou (3)
(1) Equipe Optique, Matériaux et Systèmes, FS, Abdelmalek Essaadi University, Tetouan, Morocco, Sebta Avenue, 93002 Tetouan, Morocco, Morocco ,
(2) Innovation Lab for Operations, Mohamed VI Polytechnic University, Moulay Rachid district, 43150 Ben Guerir, Morocco, Morocco ,
(3) Equipe Optique, Matériaux et Systèmes, FS, Abdelmalek Essaadi University, Tetouan, Morocco, Sebta Avenue, 93002 Tetouan, Morocco. , Morocco
521-534
Abstract : 694
PDF : 130
DOI: https://doi.org/10.5614/j.eng.technol.sci.2024.56.4.8

Bridge Capacity Assessment through LRFR Method and Bridge Seismic Performance Evaluation Using the PBSD Concept: Case Study

DOI : 10.5614/j.eng.technol.sci.2024.56.1.2
Akhmad Ilham Ramadhan Sabara (1), Iswandi Imran (2)
(1) Ministry of Public Works and Housing, Jalan Pattimura 20, Jakarta Selatan 12110, Indonesia ,
(2) Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia
11-24
Abstract : 960
PDF : 340
DOI: https://doi.org/10.5614/j.eng.technol.sci.2024.56.1.2

Effect of Bolting on the Face of a Crushed Soft Rock Tunnel

DOI : 10.5614/j.eng.technol.sci.2026.58.1.4
Lei Chen (1), Yuxuan Cao (2), Tongkai Wen (3), Haobin Zhang (4), Zhanping Song (5)
(1) CSCEC International, Suzhou High-tech Zone 215163, China ,
(2) China Construction Third Engineering Bureau Group Co., Ltd. Wuhan Wuchang District 430073, , China ,
(3) China Construction Seventh Engineering Division Corp., Ltd. Zhengzhou Economic Development Zone 450048, , China ,
(4) College of Resource Engineering, Xi'an University of Architecture and Technology, Xi 'an Beilin District 710055, , China ,
(5) School of Civil Engineering, Xi'an University of Architecture and Technology, Xi 'an Beilin District 710055, , China
47-57
Abstract : 376
PDF : 112
DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.1.4

Role of Deagglomeration in Particle Size and Antibiofilm Activity of ZnO Nanoparticles Synthesized with Averrhoa bilimbi Extract

DOI : 10.5614/j.eng.technol.sci.2024.56.6.5
Vita Wonoputri (1), Tjokorde Walmiki Samadhi (2), Shafira Khairunnisa (3), Eka Rahayu (4)
(1) Faculty of Industrial Technology, Institut Teknologi Bandung, Labtek X Building, Jalan Ganesa 10 Bandung 40132, Indonesia ,
(2) Faculty of Industrial Technology, Institut Teknologi Bandung, Labtek X Building, Jalan Ganesa 10 Bandung 40132, Indonesia ,
(3) Laboratory of Microbiology, Indonesian Food and Drug Authority Regional Office in Bandung, Jalan Pasteur 25 Bandung 40171, Indonesia ,
(4) Research Center of Food Technology and Processing, National Research and Innovation Agency, Jalan Jogja-Wonosari Km.31, Gading, Yogyakarta 55861, Indonesia
727-741
Abstract : 874
PDF : 351
DOI: https://doi.org/10.5614/j.eng.technol.sci.2024.56.6.5
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