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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 29 Issue 1 (Online version available: 23 February 2021)
JOURNAL PAPERS: Mathematical Model of HIV/AIDS with Two Different Stages of Infection Subpopulation and Its Stability Analysis Ummu Habibah, Trisilowati, Yona Lotusia Pradana, and Winadya Villadystian Engineering Letters, 29:1, pp1-9 [Online Full Text] Ummu Habibah, Trisilowati, Yona Lotusia Pradana, and Winadya Villadystian, "Mathematical Model of HIV/AIDS with Two Different Stages of Infection Subpopulation and Its Stability Analysis," Engineering Letters, vol. 29, no.1, pp1-9, 2021
Classification and Prediction of Gastric Cancer from Saliva Diagnosis using Artificial Neural Network Muhammad Aqeel Aslam, Cuili Xue, Manhua Liu, Kan Wang, and Daxiang Cui Engineering Letters, 29:1, pp10-24 [Online Full Text] Muhammad Aqeel Aslam, Cuili Xue, Manhua Liu, Kan Wang, and Daxiang Cui, "Classification and Prediction of Gastric Cancer from Saliva Diagnosis using Artificial Neural Network," Engineering Letters, vol. 29, no.1, pp10-24, 2021
Python-Bot: A Chatbot for Teaching Python Programming Chinedu Wilfred Okonkwo, and Abejide Ade-Ibijola Engineering Letters, 29:1, pp25-34 [Online Full Text] Chinedu Wilfred Okonkwo, and Abejide Ade-Ibijola, "Python-Bot: A Chatbot for Teaching Python Programming," Engineering Letters, vol. 29, no.1, pp25-34, 2021
Picture Hesitant Fuzzy Normalized Weighted Bonferroni Mean Operator based on Einstein Operations and Its Application Lihua Yang, and Baolin Li Engineering Letters, 29:1, pp35-42 [Online Full Text] Lihua Yang, and Baolin Li, "Picture Hesitant Fuzzy Normalized Weighted Bonferroni Mean Operator based on Einstein Operations and Its Application," Engineering Letters, vol. 29, no.1, pp35-42, 2021
Multirate Adaptive Filter Banks based on Automatic Bands Selection for Epilepsy Detection Daniel Nieto, Juan D. Martinez-Vargas, and Eduardo Giraldo Engineering Letters, 29:1, pp43-48 [Online Full Text] Daniel Nieto, Juan D. Martinez-Vargas, and Eduardo Giraldo, "Multirate Adaptive Filter Banks based on Automatic Bands Selection for Epilepsy Detection," Engineering Letters, vol. 29, no.1, pp43-48, 2021
Nonlinear Features of Bark Wavelet Sub-band Filtering for Pathological Voice Recognition Xiao-Jun Zhang, Xin-Cheng Zhu, Di Wu, Zhong-Zhe Xiao, Zhi Tao, and He-Ming Zhao Engineering Letters, 29:1, pp49-60 [Online Full Text] Xiao-Jun Zhang, Xin-Cheng Zhu, Di Wu, Zhong-Zhe Xiao, Zhi Tao, and He-Ming Zhao, "Nonlinear Features of Bark Wavelet Sub-band Filtering for Pathological Voice Recognition," Engineering Letters, vol. 29, no.1, pp49-60, 2021
Aspect Extraction for Opinion Mining with a Semantic Model Carlos Henriquez, and German Sanchez-Torres Engineering Letters, 29:1, pp61-67 [Online Full Text] Carlos Henriquez, and German Sanchez-Torres, "Aspect Extraction for Opinion Mining with a Semantic Model," Engineering Letters, vol. 29, no.1, pp61-67, 2021
Application of Multi-objective New Whale Optimization Algorithm for Environment Economic Power Dispatch Problem Gonggui Chen, Xingzhong Man, Yi Long, and Zhizhong Zhang Engineering Letters, 29:1, pp68-81 [Online Full Text] Gonggui Chen, Xingzhong Man, Yi Long, and Zhizhong Zhang, "Application of Multi-objective New Whale Optimization Algorithm for Environment Economic Power Dispatch Problem," Engineering Letters, vol. 29, no.1, pp68-81, 2021
Global Finite-Time Stabilization of Stochastic Nonlinear Systems via Output Feedback Yanling Shang, Wenjun Tang, Jiacai Huang, and Xinxin Shi Engineering Letters, 29:1, pp82-86 [Online Full Text] Yanling Shang, Wenjun Tang, Jiacai Huang, and Xinxin Shi, "Global Finite-Time Stabilization of Stochastic Nonlinear Systems via Output Feedback," Engineering Letters, vol. 29, no.1, pp82-86, 2021
Computational Analysis of Flow Field on Cross-Flow Hydro Turbines Warjito, Budiarso, and Dendy Adanta Engineering Letters, 29:1, pp87-94 [Online Full Text] Warjito, Budiarso, and Dendy Adanta, "Computational Analysis of Flow Field on Cross-Flow Hydro Turbines," Engineering Letters, vol. 29, no.1, pp87-94, 2021
Strength Verification of a Rotary Curved Plate in a Flow Field Lei Zhang, Min Gao, Bukui Zhou, and Yunfei Liu Engineering Letters, 29:1, pp95-101 [Online Full Text] Lei Zhang, Min Gao, Bukui Zhou, and Yunfei Liu, "Strength Verification of a Rotary Curved Plate in a Flow Field," Engineering Letters, vol. 29, no.1, pp95-101, 2021
Modeling Research on Flutter Characteristics of Wrap-Around Fins Lei Zhang, Min Gao, Bukui Zhou, and Limei Wang Engineering Letters, 29:1, pp102-108 [Online Full Text] Lei Zhang, Min Gao, Bukui Zhou, and Limei Wang, "Modeling Research on Flutter Characteristics of Wrap-Around Fins," Engineering Letters, vol. 29, no.1, pp102-108, 2021
Analysis of Research Trends in Fractional Controller Using Latent Dirichlet Allocation Pritesh Shah, Deepak Sharma, and Ravi Sekhar Engineering Letters, 29:1, pp109-119 [Online Full Text] Pritesh Shah, Deepak Sharma, and Ravi Sekhar, "Analysis of Research Trends in Fractional Controller Using Latent Dirichlet Allocation," Engineering Letters, vol. 29, no.1, pp109-119, 2021
Anti-Saturation Control of Marine Planktonic Ecological Hybrid System with Saturation Based on Linear Matrix Inequality Approach Hejun Yao Engineering Letters, 29:1, pp120-126 [Online Full Text] Hejun Yao, "Anti-Saturation Control of Marine Planktonic Ecological Hybrid System with Saturation Based on Linear Matrix Inequality Approach," Engineering Letters, vol. 29, no.1, pp120-126, 2021
Modified Space Vector Modulated Matrix Converter with Supply Current Quality Improvement under Unbalanced Supply Conditions Payal Patel, and Mahmadasraf A. Mulla Engineering Letters, 29:1, pp127-137 [Online Full Text] Payal Patel, and Mahmadasraf A. Mulla, "Modified Space Vector Modulated Matrix Converter with Supply Current Quality Improvement under Unbalanced Supply Conditions," Engineering Letters, vol. 29, no.1, pp127-137, 2021
A New Definition, a Generalisation and an Approximation for a Fractional Derivative with Applications to Stochastic Time Series Modeling Jonathan Blackledge Engineering Letters, 29:1, pp138-150 [Online Full Text] Jonathan Blackledge, "A New Definition, a Generalisation and an Approximation for a Fractional Derivative with Applications to Stochastic Time Series Modeling," Engineering Letters, vol. 29, no.1, pp138-150, 2021
Numerical Simulation and Experimental Study on Jet Forming and Penetration Performance of Zr-based Amorphous Alloy Liner Ping Cui, Dongmei Shi, Yuling Zhang, and Deshi Wang Engineering Letters, 29:1, pp151-157 [Online Full Text] Ping Cui, Dongmei Shi, Yuling Zhang, and Deshi Wang, "Numerical Simulation and Experimental Study on Jet Forming and Penetration Performance of Zr-based Amorphous Alloy Liner," Engineering Letters, vol. 29, no.1, pp151-157, 2021
Selectivity of Clinoptilolite Towards Heavy Metals from Industrial Wastewater: Equilibrium, Kinetic, Thermodynamic and Elution Studies John Kabuba Engineering Letters, 29:1, pp158-167 [Online Full Text] John Kabuba, "Selectivity of Clinoptilolite Towards Heavy Metals from Industrial Wastewater: Equilibrium, Kinetic, Thermodynamic and Elution Studies," Engineering Letters, vol. 29, no.1, pp158-167, 2021
Buck Converter Current and Voltage Control by Exact Feedback Linearization with Integral Action Juan S. Velez-Ramirez, Luis A. Rios-Norena, and Eduardo Giraldo Engineering Letters, 29:1, pp168-176 [Online Full Text] Juan S. Velez-Ramirez, Luis A. Rios-Norena, and Eduardo Giraldo, "Buck Converter Current and Voltage Control by Exact Feedback Linearization with Integral Action," Engineering Letters, vol. 29, no.1, pp168-176, 2021
Multi-factor Stock Selection Model Based on Machine Learning Yihua Zhong, Lan Luo, Xinyi Wang, and Jinlian Yang Engineering Letters, 29:1, pp177-182 [Online Full Text] Yihua Zhong, Lan Luo, Xinyi Wang, and Jinlian Yang, "Multi-factor Stock Selection Model Based on Machine Learning," Engineering Letters, vol. 29, no.1, pp177-182, 2021
Numerical Groundwater Quality Assessment Model Using Two-level Explicit Methods Suriyun Khatbanjong, and Nopparat Pochai Engineering Letters, 29:1, pp183-190 [Online Full Text] Suriyun Khatbanjong, and Nopparat Pochai, "Numerical Groundwater Quality Assessment Model Using Two-level Explicit Methods," Engineering Letters, vol. 29, no.1, pp183-190, 2021
A Novel Parameter-Free Filled Function Applied to Global Optimization Ridwan Pandiya, Salmah, Widodo, and Irwan Endrayanto Engineering Letters, 29:1, pp191-200 [Online Full Text] Ridwan Pandiya, Salmah, Widodo, and Irwan Endrayanto, "A Novel Parameter-Free Filled Function Applied to Global Optimization," Engineering Letters, vol. 29, no.1, pp191-200, 2021
An Inertial Extragradient Algorithm for Solving Variational Inequalities Ximin Guo, and Wenling Zhao Engineering Letters, 29:1, pp201-206 [Online Full Text] Ximin Guo, and Wenling Zhao, "An Inertial Extragradient Algorithm for Solving Variational Inequalities," Engineering Letters, vol. 29, no.1, pp201-206, 2021
Spatial Autoregressive in Ecological Studies: A Comparison of the SAR and CAR Models IGNM. Jaya, and A. Chadidjah Engineering Letters, 29:1, pp207-212 [Online Full Text] IGNM. Jaya, and A. Chadidjah, "Spatial Autoregressive in Ecological Studies: A Comparison of the SAR and CAR Models," Engineering Letters, vol. 29, no.1, pp207-212, 2021
Design of Automatic Control System for Constant Tension and Linear Speed of Rewinder Machine Dong Wei, Lin Chen, Jie-Sheng Wang, and Xing Yao Engineering Letters, 29:1, pp213-222 [Online Full Text] Dong Wei, Lin Chen, Jie-Sheng Wang, and Xing Yao, "Design of Automatic Control System for Constant Tension and Linear Speed of Rewinder Machine," Engineering Letters, vol. 29, no.1, pp213-222, 2021
Active Tunable Lossy Inductance Simulation Using Single Fully Balanced Voltage Differencing Buffered Amplifier Orapin Channumsin, Taweepol Suesut, and Worapong Tangsrirat Engineering Letters, 29:1, pp223-231 [Online Full Text] Orapin Channumsin, Taweepol Suesut, and Worapong Tangsrirat, "Active Tunable Lossy Inductance Simulation Using Single Fully Balanced Voltage Differencing Buffered Amplifier," Engineering Letters, vol. 29, no.1, pp223-231, 2021
Growth of Solutions of Second Order Linear Complex Differential Equations with Completely Regular Growth Coefficient Guowei Zhang Engineering Letters, 29:1, pp232-237 [Online Full Text] Guowei Zhang, "Growth of Solutions of Second Order Linear Complex Differential Equations with Completely Regular Growth Coefficient," Engineering Letters, vol. 29, no.1, pp232-237, 2021
The Research on WSNs Scale-free Topology for Prolonging Network Lifetime Wenxiao Yin, Benzhen Guo, Hailong Hu, Yanhong Hu, and Qiang Li Engineering Letters, 29:1, pp238-243 [Online Full Text] Wenxiao Yin, Benzhen Guo, Hailong Hu, Yanhong Hu, and Qiang Li, "The Research on WSNs Scale-free Topology for Prolonging Network Lifetime," Engineering Letters, vol. 29, no.1, pp238-243, 2021
Smart Autonomous Vehicles in High Dimensional Warehouses Using Deep Reinforcement Learning Approach Mohamed Rhazzaf, and Tawfik Masrour Engineering Letters, 29:1, pp244-252 [Online Full Text] Mohamed Rhazzaf, and Tawfik Masrour, "Smart Autonomous Vehicles in High Dimensional Warehouses Using Deep Reinforcement Learning Approach," Engineering Letters, vol. 29, no.1, pp244-252, 2021
Strategic Quality Improvement Management Practice for Domestic Automobile Industry from the Crucial Outsourcing Part Perspective Fuli Zhou, Tianfu Chen, Panpan Hai, Panpan Ma, and Saurabh Pratap Engineering Letters, 29:1, pp253-260 [Online Full Text] Fuli Zhou, Tianfu Chen, Panpan Hai, Panpan Ma, and Saurabh Pratap, "Strategic Quality Improvement Management Practice for Domestic Automobile Industry from the Crucial Outsourcing Part Perspective," Engineering Letters, vol. 29, no.1, pp253-260, 2021
Modeling and Analyzing Imperfection in Enterprise Models Hector Florez, Mario Sanchez, and Jorge Villalobos Engineering Letters, 29:1, pp261-277 [Online Full Text] Hector Florez, Mario Sanchez, and Jorge Villalobos, "Modeling and Analyzing Imperfection in Enterprise Models," Engineering Letters, vol. 29, no.1, pp261-277, 2021
Design and Optimization of Two-Loop Pilot for Tactical Missile Xitong Sun, Xingbai Luo, Min Gao, Xiaodong Zhou, and Wencui Zhou Engineering Letters, 29:1, pp278-287 [Online Full Text] Xitong Sun, Xingbai Luo, Min Gao, Xiaodong Zhou, and Wencui Zhou, "Design and Optimization of Two-Loop Pilot for Tactical Missile," Engineering Letters, vol. 29, no.1, pp278-287, 2021
A Shoreline Evolution Model with a Twin Groins Structure using Unconditionally Stable Explicit Finite Difference Techniques Pidok Unyapoti, and Nopparat Pochai Engineering Letters, 29:1, pp288-296 [Online Full Text] Pidok Unyapoti, and Nopparat Pochai, "A Shoreline Evolution Model with a Twin Groins Structure using Unconditionally Stable Explicit Finite Difference Techniques," Engineering Letters, vol. 29, no.1, pp288-296, 2021
Prediction Model of Photosynthetic Rate Based on SOPSO-LSSVM for Regulation of Greenhouse Light Environment Tan Liu, Qingyun Yuan, and Yonggang Wang Engineering Letters, 29:1, pp297-301 [Online Full Text] Tan Liu, Qingyun Yuan, and Yonggang Wang, "Prediction Model of Photosynthetic Rate Based on SOPSO-LSSVM for Regulation of Greenhouse Light Environment," Engineering Letters, vol. 29, no.1, pp297-301, 2021
Integrated Supply Chain Model of Distribution Regionalization and Network Optimization of White Crystal Sugar Traditional Market Yosi A. Hidayat, Sutandi, and Endra Joelianto Engineering Letters, 29:1, pp302-311 [Online Full Text] Yosi A. Hidayat, Sutandi, and Endra Joelianto, "Integrated Supply Chain Model of Distribution Regionalization and Network Optimization of White Crystal Sugar Traditional Market," Engineering Letters, vol. 29, no.1, pp302-311, 2021
Automatic Music Genre Classification Based on CRNN Yu-Huei Cheng, Pang-Ching Chang, Duc-Man Nguyen, and Che-Nan Kuo Engineering Letters, 29:1, pp312-316 [Online Full Text] Yu-Huei Cheng, Pang-Ching Chang, Duc-Man Nguyen, and Che-Nan Kuo, "Automatic Music Genre Classification Based on CRNN," Engineering Letters, vol. 29, no.1, pp312-316, 2021
Hybridized Convolution Neural Network and Multiclass-SVM Model for Writer Identification Yomna M. Elbarawy, and Wafaa A. Ghonaim Engineering Letters, 29:1, pp317-326 [Online Full Text] Yomna M. Elbarawy, and Wafaa A. Ghonaim, "Hybridized Convolution Neural Network and Multiclass-SVM Model for Writer Identification," Engineering Letters, vol. 29, no.1, pp317-326, 2021
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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