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Engineering Letters
Objectives and Scope Engineering Letters is published with both online and print versions. The journal covers the frontier issues in the engineering and the computer science and their applications in business, industry and other subjects. The computer science is a branch of engineering science that studies computable processes and structures. It contains theories for understanding computing systems and methods; computational algorithms and tools; methodologies for testing of concepts. The subjects covered by the journal include artificial intelligence, bioinformatics, computational statistics, database, data mining, financial engineering, hardware systems, imaging engineering, industrial engineering, internet computing, networking, operations research, scientific computing, software engineering, and their applications etc. Printed copies of the journal are distributed to accredited universities and government libraries. All the papers in the journal are also available freely with online full-text content and permanent worldwide web link. The abstracts will be indexed and available at major academic databases. ISSN: 1816-0948 (online version); 1816-093X (print version) Subject Category: Computer science and engineering Published by: International Association of Engineers
Contents: Volume 33 Issue 3 (Online version available: 1 March 2025)
JOURNAL PAPERS: Multi-Objective Optimization Design of Lever Arm based on Kriging Model Yirui Zhang, Shengli Zhao, Zongqi Man, Baojun Qu, Xiangyu Tian, Qijun Zhu, and Kai Zhang Engineering Letters, 33:3, pp508-519 [Online Full Text] Yirui Zhang, Shengli Zhao, Zongqi Man, Baojun Qu, Xiangyu Tian, Qijun Zhu, and Kai Zhang, "Multi-Objective Optimization Design of Lever Arm based on Kriging Model," Engineering Letters, vol. 33, no. 3, pp508-519, 2025
Research on the Transport Mechanism of Tunnel Dust Based on FLUENT Yuzhu Zhou, Dingyi Wei, Xin Lv, Zongzhi Wu, Zhiyong Shen, Chen Yu, Yang Mu, and Tiantian Li Engineering Letters, 33:3, pp520-529 [Online Full Text] Yuzhu Zhou, Dingyi Wei, Xin Lv, Zongzhi Wu, Zhiyong Shen, Chen Yu, Yang Mu, and Tiantian Li, "Research on the Transport Mechanism of Tunnel Dust Based on FLUENT," Engineering Letters, vol. 33, no. 3, pp520-529, 2025
The Behavior of Tapered and Step-Tapered Piles under Lateral Load Raghavendra HN, Pramodkumar Kappadi, Likhitha H, and Arunkumar Yadav Engineering Letters, 33:3, pp530-544 [Online Full Text] Raghavendra HN, Pramodkumar Kappadi, Likhitha H, and Arunkumar Yadav, "The Behavior of Tapered and Step-Tapered Piles under Lateral Load," Engineering Letters, vol. 33, no. 3, pp530-544, 2025
Hybrid Event-Triggered Low-Computation Adaptive Control for Switched Nonlinear Systems with Unmeasurable States Tiantian Teng, Nannan Zhao, and Xinyu Ouyang Engineering Letters, 33:3, pp545-554 [Online Full Text] Tiantian Teng, Nannan Zhao, and Xinyu Ouyang, "Hybrid Event-Triggered Low-Computation Adaptive Control for Switched Nonlinear Systems with Unmeasurable States," Engineering Letters, vol. 33, no. 3, pp545-554, 2025
An Improved Sailfish Optimizer Based on Attack Strength and Optimal Position of Alternate Strategy During Hunting Yuan-Zheng Gao, Jie-Sheng Wang, Yu-Wei Song, Yu-Liang Qi, and Yi-Peng Shang-Guan Engineering Letters, 33:3, pp555-578 [Online Full Text] Yuan-Zheng Gao, Jie-Sheng Wang, Yu-Wei Song, Yu-Liang Qi, and Yi-Peng Shang-Guan, "An Improved Sailfish Optimizer Based on Attack Strength and Optimal Position of Alternate Strategy During Hunting," Engineering Letters, vol. 33, no. 3, pp555-578, 2025
Wavelet Energy Entropy Unit Protection by Fault Condition Information Fusion Zhenwei Guo, Ruiqiang Zhao, Haojie Li, Yongyan Jiang, and Weiyong Ma Engineering Letters, 33:3, pp579-586 [Online Full Text] Zhenwei Guo, Ruiqiang Zhao, Haojie Li, Yongyan Jiang, and Weiyong Ma, "Wavelet Energy Entropy Unit Protection by Fault Condition Information Fusion," Engineering Letters, vol. 33, no. 3, pp579-586, 2025
Experimental Assessment of the Viability of Sugarcane Bagasse Fiber Usage as Sound Absorbing Component of Standard Concrete for Environmental Noise Mitigation Babashola D ODUGBOSE, Herni HALIM, Izwan JOHARI, and Wan Mohd Amri Wan MAMAT ALI Engineering Letters, 33:3, pp587-602 [Online Full Text] Babashola D ODUGBOSE, Herni HALIM, Izwan JOHARI, and Wan Mohd Amri Wan MAMAT ALI, "Experimental Assessment of the Viability of Sugarcane Bagasse Fiber Usage as Sound Absorbing Component of Standard Concrete for Environmental Noise Mitigation," Engineering Letters, vol. 33, no. 3, pp587-602, 2025
Adaptive Prescribed Performance Tracking Control for a Class of Nonlinear Uncertain Pure-feedback Systems Zhenyan Wang, Yan Zhao, Jiangbo Yu, and Chengdong Li Engineering Letters, 33:3, pp603-611 [Online Full Text] Zhenyan Wang, Yan Zhao, Jiangbo Yu, and Chengdong Li, "Adaptive Prescribed Performance Tracking Control for a Class of Nonlinear Uncertain Pure-feedback Systems," Engineering Letters, vol. 33, no. 3, pp603-611, 2025
Network Traffic Anomaly Detection Based on DGBi-SA Model Xin Wang, Hong Dai, Zheng Huang, and Yue Han Engineering Letters, 33:3, pp612-619 [Online Full Text] Xin Wang, Hong Dai, Zheng Huang, and Yue Han, "Network Traffic Anomaly Detection Based on DGBi-SA Model," Engineering Letters, vol. 33, no. 3, pp612-619, 2025
Finite-Time Sliding Mode Control of Vehicle Formation with Specified Performance Dongyang Guo, Zhao Zhang, Hongyan Zhou, and Xue-Bo Chen Engineering Letters, 33:3, pp620-629 [Online Full Text] Dongyang Guo, Zhao Zhang, Hongyan Zhou, and Xue-Bo Chen, "Finite-Time Sliding Mode Control of Vehicle Formation with Specified Performance," Engineering Letters, vol. 33, no. 3, pp620-629, 2025
Degree Based Energies of Amalgamation of Graphs Swati Nayak, Sabitha D'Souza, and Amrithalakshmi Engineering Letters, 33:3, pp630-636 [Online Full Text] Swati Nayak, Sabitha D'Souza, and Amrithalakshmi, "Degree Based Energies of Amalgamation of Graphs," Engineering Letters, vol. 33, no. 3, pp630-636, 2025
PSP-RTMDet: End-to-End Lightweight High-Precision Helmet Detector Xueying Liao, Xingran Guo, Askar Rozi, Haizheng Yu, and Abdukerim Haji Engineering Letters, 33:3, pp637-649 [Online Full Text] Xueying Liao, Xingran Guo, Askar Rozi, Haizheng Yu, and Abdukerim Haji, "PSP-RTMDet: End-to-End Lightweight High-Precision Helmet Detector," Engineering Letters, vol. 33, no. 3, pp637-649, 2025
Evaluation of the Impact of Pigpen Type on Airflow and Temperature Field in Closed Piggeries Using CFD Chengguo Fu, Yuhao Li, Weiwei He, Ting Chen, Hui Yang, Haibo Li, Yaqi Zhang, and Hongbin Cong Engineering Letters, 33:3, pp650-662 [Online Full Text] Chengguo Fu, Yuhao Li, Weiwei He, Ting Chen, Hui Yang, Haibo Li, Yaqi Zhang, and Hongbin Cong, "Evaluation of the Impact of Pigpen Type on Airflow and Temperature Field in Closed Piggeries Using CFD," Engineering Letters, vol. 33, no. 3, pp650-662, 2025
Adjustment of PointPillars for Effective LiDAR-Based Object Detection and Classification in Constrained Environments Alif Ilman Nafian, Dian Anggraini, Mochamad Iqbal Ardimansyah, and Arief Suryadi Satyawan Engineering Letters, 33:3, pp663-677 [Online Full Text] Alif Ilman Nafian, Dian Anggraini, Mochamad Iqbal Ardimansyah, and Arief Suryadi Satyawan, "Adjustment of PointPillars for Effective LiDAR-Based Object Detection and Classification in Constrained Environments," Engineering Letters, vol. 33, no. 3, pp663-677, 2025
A Novel Directional Pilot Protection Method for EHV Transmission Lines Considering Fault Factors Zhenwei Guo, Yingcai Deng, Ruiqiang Zhao, and Tong Zhang Engineering Letters, 33:3, pp678-687 [Online Full Text] Zhenwei Guo, Yingcai Deng, Ruiqiang Zhao, and Tong Zhang, "A Novel Directional Pilot Protection Method for EHV Transmission Lines Considering Fault Factors," Engineering Letters, vol. 33, no. 3, pp678-687, 2025
Research on Mobile Robot Path Planning Based on Multi-Strategy Improved Ant Colony Optimization Algorithm Hai-Bo Zhang, and Ben Huang Engineering Letters, 33:3, pp688-703 [Online Full Text] Hai-Bo Zhang, and Ben Huang, "Research on Mobile Robot Path Planning Based on Multi-Strategy Improved Ant Colony Optimization Algorithm," Engineering Letters, vol. 33, no. 3, pp688-703, 2025
A Lightweight Object Detection Algorithm for Remote Sensing Images Donghao Hou, Yujun Zhang, and Jia Ren Engineering Letters, 33:3, pp704-711 [Online Full Text] Donghao Hou, Yujun Zhang, and Jia Ren, "A Lightweight Object Detection Algorithm for Remote Sensing Images," Engineering Letters, vol. 33, no. 3, pp704-711, 2025
Soft Topologies Induced by Almost Lower Density Soft Operators Zanyar A. Ameen, and Ohud F. Alghamdi Engineering Letters, 33:3, pp712-720 [Online Full Text] Zanyar A. Ameen, and Ohud F. Alghamdi, "Soft Topologies Induced by Almost Lower Density Soft Operators," Engineering Letters, vol. 33, no. 3, pp712-720, 2025
A Dangerous Driving Behavior Detection Method Based on Improved YOLOv8s Tong Zhou, Xiaoxia Zhang, and Huilong Chen Engineering Letters, 33:3, pp721-731 [Online Full Text] Tong Zhou, Xiaoxia Zhang, and Huilong Chen, "A Dangerous Driving Behavior Detection Method Based on Improved YOLOv8s," Engineering Letters, vol. 33, no. 3, pp721-731, 2025
WOA-XGBoost Based Railway Accident Type Prediction and Cause Analysis Yuhan Xie, Gensuo Mi, Ding Tan, and Chenning Liu Engineering Letters, 33:3, pp732-742 [Online Full Text] Yuhan Xie, Gensuo Mi, Ding Tan, and Chenning Liu, "WOA-XGBoost Based Railway Accident Type Prediction and Cause Analysis," Engineering Letters, vol. 33, no. 3, pp732-742, 2025
Support Vector Machine Classification Method Based on Synthetic Data Generation for Small Sample Data Cheng Xing, Jie-Sheng Wang, Yi-Peng Shang-Guan, and Yu-Hang Zuo Engineering Letters, 33:3, pp743-756 [Online Full Text] Cheng Xing, Jie-Sheng Wang, Yi-Peng Shang-Guan, and Yu-Hang Zuo, "Support Vector Machine Classification Method Based on Synthetic Data Generation for Small Sample Data," Engineering Letters, vol. 33, no. 3, pp743-756, 2025
Inverse Sum In-degree Index of Some Graphs and Their Squares SHAHISTHA HANIF, K ARATHI BHAT, and SINCHANA NAGARAJ Engineering Letters, 33:3, pp757-763 [Online Full Text] SHAHISTHA HANIF, K ARATHI BHAT, and SINCHANA NAGARAJ, "Inverse Sum In-degree Index of Some Graphs and Their Squares," Engineering Letters, vol. 33, no. 3, pp757-763, 2025
Constructing Membership Functions using Kinetic Data ZHU Zaisheng, HU Ye, ZHANG Yubin, ZHU Huomei, LV Xuejiao, and LIU Huiping Engineering Letters, 33:3, pp764-769 [Online Full Text] ZHU Zaisheng, HU Ye, ZHANG Yubin, ZHU Huomei, LV Xuejiao, and LIU Huiping, "Constructing Membership Functions using Kinetic Data," Engineering Letters, vol. 33, no. 3, pp764-769, 2025
Robust Configuration Method Based on Multi-party Multi-objective Evolutionary Algorithm in Parallel Mutual Exclusion System Jiaxin Zhou, Siyi Chen, Haiyang Kuang, and Xu Wang Engineering Letters, 33:3, pp770-783 [Online Full Text] Jiaxin Zhou, Siyi Chen, Haiyang Kuang, and Xu Wang, "Robust Configuration Method Based on Multi-party Multi-objective Evolutionary Algorithm in Parallel Mutual Exclusion System," Engineering Letters, vol. 33, no. 3, pp770-783, 2025
Defect Detection Algorithm for Body-in-white Weld Spots Based on Improved YOLOv5 LIU Si-yuan, LI Yi-xian, WANG Cong-hui, HU Zheng-yi, PEI Kai, and LI Hong-lin Engineering Letters, 33:3, pp784-792 [Online Full Text] LIU Si-yuan, LI Yi-xian, WANG Cong-hui, HU Zheng-yi, PEI Kai, and LI Hong-lin, "Defect Detection Algorithm for Body-in-white Weld Spots Based on Improved YOLOv5," Engineering Letters, vol. 33, no. 3, pp784-792, 2025
Coming Special Issues of Engineering Letters Engineering Letters welcomes author submission of papers concerning any branch of the engineering and the computer science and their applications in business, industry and other subjects. The subjects covered by the journal include artificial intelligence, bioinformatics, computational statistics, database, data mining, financial engineering, hardware systems, imaging engineering, industrial engineering, internet computing, networking, operations research, scientific computing, software engineering, and their applications. With the efforts of the Editorial Board Members of Engineering Letters, the new online version and print version of the journal Engineering Letters has become available to the general public, instead of its old restricted versions. All submitted papers are to be peer-reviewed for ensuring their qualities.
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Engineering Letters
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