ISSN: 1304-7191 | E-ISSN: 1304-7205
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Volume: 43 Issue: 5 Year: 2025
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1. The utilization of lathe waste as a catalyst for the treatment of landfill leachate in supercritical water conditions
Ekin KIPÇAK , Mesut AKGÜN
DOI: 10.14744/sigma.2023.00097
Abstract Full Text PDF
2. Determinatıon of stress magnification factor in welded joint by experimental and numerical analysis using ultra-high-strength steel
Osman Bahadır ÖZDEN , Barış GÖKÇE
DOI: 10.14744/sigma.2023.00100
Abstract Full Text PDF
3. A comparative study on the machining performance of eco-friendly low-lead and lead-free brass alloys in replacement for leaded ones
Nima ZOGHIPOUR , Emre TAŞCIOĞLU , Ali Özkan KESKİN , Yusuf KAYNAK
DOI: 10.14744/sigma.2023.00107
Abstract Full Text PDF
4. Phase-mismatch third harmonic generation in quantum magnetoplasma
Shiv SINGH , Abhisek Kumar SINGH , Punit KUMAR
DOI: 10.14744/sigma.2024.00053
Abstract
5. Artificial neural network (ANN) approach for lead removal from aqueous solution by agricultural waste derived biochars
Nihan KAYA , Fatma ERDEM
DOI: 10.14744/sigma.2024.00103
Abstract
6. Artificial intelligence, machine learning, and deep learning applications in the engineerıng fields – A comprehensive review
Haneen DARWISH , Walaa DARWISH , Hiba DARWISH , Issa W. ALHMOUD , Osamah ALSHRAIDEH
DOI: 10.14744/sigma.2024.00126
Abstract
7. Evaluation of health care systems using supervised and unsupervised machine learning approaches
Canan BULUT , Tuğba SÖNAL , Dilek KOLCA , Fatih TARLAK
DOI: 10.14744/sigma.2024.00130
Abstract
8. Performance of imputation techniques: A comprehensive simulation study using the transformer model
İsmail YENİLMEZ
DOI: 10.14744/sigma.2024.00131
Abstract
9. Strategic load scheduling in smart home: Leveraging IOT and optimization algorithms for energy cost reduction
Ganesh SHIRSAT , Aniruddha MUKHERJEE , Ankit Kumar SHARMA
DOI: 10.14744/sigma.2024.00132
Abstract Full Text PDF
10. Broken rotor bar fault detection in induction motors through power spectral density to image method
Hatice OKUMUŞ , Ebru ERGUN
DOI: 10.14744/sigma.2024.00153
Abstract
11. Heat generation from 32650 cylindrical cell battery pack at various load and speed conditions
Shashank GAWADE , Virendra BHOJWANI , Pradeep PATIL , M. ZUBAIRUDDIN
DOI: 10.14744/sigma.2024.00154
Abstract Full Text PDF
12. Electric bus preference with analytical hierarchy process and grey relational analysis combination in public transportation considering modern trend criteria: Kayseri, Türkiye case study
Aslan İNAN , Huzeyfe KARA
DOI: 10.14744/sigma.2024.00158
Abstract
13. Centralized controller-based on optimal power flow (OPF) algorithm for power management in microgrid systems
Abumuslim KHUJAEV , Abbas UĞURENVER
DOI: 10.14744/sigma.2025.00027
Abstract
14. Multi-zone commercial market building HVAC control strategy based on reinforcement learning algorithm models
Ganesh MURADE , Bhanu Pratap SONI , Ankit Kumar SHARMA
DOI: 10.14744/sigma.2025.00051
Abstract
15. A study on numerical solutions of a fractional-order model for car t-cell therapy in leukemia using the laplace-adomian decomposition method
Rezaul KARİM , M. Ali AKBAR , M. A. BKAR PK , Pinakee DEY
DOI: 10.14744/sigma.2025.00053
Abstract
16. Solving multi-depot vehicle routing problem with incoterms: a case study for export logistics
Gokce OZDEN-GURCAN , Suna KOSE
DOI: 10.14744/sigma.2025.00055
Abstract
17. Electricity energy consumption forecasting using LSTM and NAR
Parastou BEHGOUY , Abbas UĞURENVER
DOI: 10.14744/sigma.2025.00056
Abstract
18. Optimization of biogas production from floral waste using co-anaerobic digestion by implementing response surface methodology
Vaishali D. JAYSINGPURE , Moni U. KHOBRAGADE
DOI: 10.14744/sigma.2025.00057
Abstract
19. Comparison of random search and gradient-based optimization techniques on design improvement of permanent magnet synchronous motor
İsmail ÖYLEK , Metin VARAN , Ali ERDUMAN , Ahmet ZENGIN
DOI: 10.14744/sigma.2025.00058
Abstract
20. Mechanical vibration-assisted enhancement of weldment mechanical properties
Japhia Sudarsan NALLA , Basanta Kumar PALAI , P. Govinda RAO
DOI: 10.14744/sigma.2025.00059
Abstract
21. An exact analysis of chemical reaction and porosity effects for mixed convective magnetohydrodynamics Casson fluid
Nur Fatihah MOD OMAR , Zulkhibri ISMAIL , Rahimah JUSOH , Muhammad Azrin AHMAD , Ahmad Qushairi MOHAMAD
DOI: 10.14744/sigma.2025.00060
Abstract
22. Homnormal: A comprehensive R package for testing the homogeneity of variances
Fikri GÖKPINAR , Esra GÖKPINAR
DOI: 10.14744/sigma.2025.00061
Abstract
23. Analyzing challenges to maximıze the efficiency of industrial processes using carbon capture and hydrogen energy production from methane
Kareem A. ABDELKAREEM , Ahmed El-AWADY
DOI: 10.14744/sigma.2025.00062
Abstract
24. Biosynthesis of silver nanoparticles using aerial parts of Cardaria draba L.: Phytochemical analysis, characterization, evaluation of antibacterial, cytotoxic on human colon cancer cell line properties and enzyme inhibitory potentials
Ozlem BAKIR BOGA , Esabi BASARAN KURBANOGLU
DOI: 10.14744/sigma.2025.00092
Abstract
25. A review of photovoltaıc plants and battery energy storage systems in terms of power systems stability
Bora ÇAVDAR , Eda KARACA , Hatice OKUMUŞ , Fatih Mehmet NUROĞLU
DOI: 10.14744/sigma.2025.00093
Abstract
26. Green synthesis of a zeolite from natural extract of Sapindus as a template
Fairouz MEZIANI , Zoubir BENMAAMAR , Nadji MOULAI-MOSTEFA , Mourad MAKHLOUF
DOI: 10.14744/sigma.2025.00094
Abstract
27. Predictive calculation of learning success of the haar cascade model on different objects
Mert DEMİR , Ecem İREN
DOI: 10.14744/sigma.2025.00095
Abstract
28. Recent advancements in refractory materials and digital innovations in precision manufacturing
Mustafa M. MANSOUR
DOI: 10.14744/sigma.2025.00096
Abstract
29. Advancements in energy-efficient routing protocols for wireless sensor networks: A computational intelligence perspective
G. RAJESWARAPPA , Srinivasulu SIRISALA , K. Swapna SUDHA , J David Sukeerthi KUMAR
DOI: 10.14744/sigma.2025.00097
Abstract
30. Energy-efficient static memory architecture for internet of things applications
Deepak GARG , Rupali SINGH
DOI: 10.14744/sigma.2025.00098
Abstract
31. Selection of optimal coating materials for bamboo reinforcement in concrete using entropy-fuzzy TOPSIS model
Vivek PAHUJA , Pradeep Kumar GHOSH , Anil KUMAR
DOI: 10.14744/sigma.2025.00099
Abstract
32. Load demand estimation and prediction models for effective planning and sustainability of microgrid project in rural community
Harrison Oyibo IDAKWO , Lanre OLATOMIWA , Ambafi Garba JAMES , Abubakar Sadiq AHMAD
DOI: 10.14744/sigma.2025.00100
Abstract
33. Optimization of precision machine part manufacturing by integration of grey-taguchi method with principal component analysis
Kübra EROL , Selda KAPAN ULUSOY , Ercan ŞENYIĞIT
DOI: 10.14744/sigma.2025.00101
Abstract
34. A hybrid bit-efficientnet framework for automated detection of skin cancer and monkeypox using dermatoscopic images
Juby MATHEW , Dileepkumar S. R , Ardra B. S.
DOI: 10.14744/sigma.2025.00102
Abstract
35. Exploring transient potential steps on rotating disk electrodes with steady-state concentration profiles in single electron transfer reactions
V. Sreelatha DEVI , K. SARANYA , D. VIJAYABALAN , T. LOGANATHAN , Suresh ML , G. SURESH
DOI: 10.14744/sigma.2025.00103
Abstract
36. Advanced predictive approaches for accident forecasting to enhance road safety
Prasad MANOJ , Kerekoppa Chandrashekar MANJUNATH , Kotagi B PUNITH
DOI: 10.14744/sigma.2025.00104
Abstract
37. Heart disease prediction using machine learning models: Performance analysis and comparisons
Abul Kalam AZAD , Travis ATKISON , A. F. M. Shahen SHAH , Ridwan BELLO , Abdulaziz ALMOUSA
DOI: 10.14744/sigma.2025.00131
Abstract
38. Towards artificial intelligence of things: Unsupervised machine learning approach for foot-type classification
Laith FARHAN , Ziad Qais Al-ABBASI , Ali S. ALHUMAIMA , Waled GHETH
DOI: 10.14744/sigma.2025.00132
Abstract
39. Investigation of the effects of weld modeling methods on natural frequency in prestressed and non-prestress modal analysis
Osman Bahadır ÖZDEN , Barış GÖKÇE
DOI: 10.14744/sigma.2025.00134
Abstract
40. Enhancing dynamic performance of turbine-generator systems with optimal SVC control using hybrid CSA-GWO technique in series-compensated networks
Sangeeta BAMBA , S.K. GUPTA
DOI: 10.14744/sigma.2025.00135
Abstract
41. Optimizing textual sentiment recognition through LASSO-based feature selection and ensemble voting technique
Nisha , Rakesh KUMAR
DOI: 10.14744/sigma.2025.00136
Abstract
42. Smart farming: Improved soil classification and yield forecasting using CNNS and machine learning algorithms
Uttam R. PATOLE , Manish SHRIVASTAVA
DOI: 10.14744/sigma.2025.00137
Abstract
43. A review and implementation study of IOT-enabled smart net meter units for solar rooftop PV systems
Akshay PATHARE , Dinesh SETHI
DOI: 10.14744/sigma.2025.00138
Abstract
44. Productivity improvement in manufacturing of furniture using quality function deployment approach
Dhananjay APTE , Prafulla HATTE , Vishal PRADHAN
DOI: 10.14744/sigma.2025.00139
Abstract
45. Evaluation of the effects of sustainable development goals on improvement of air quality in cities
Şahin KORKMAZ , Damla MUSTAFAOĞLU , Zeynep CEYLAN
DOI: 10.14744/sigma.2025.00140
Abstract
46. Investigation of correlation between standard penetration test blow counts and internal friction angles for loess soils
Murat GULEN
DOI: 10.14744/sigma.2025.00141
Abstract
47. Enhanced flexural strength evaluation: A comparative study of four-point and semi-circular bending tests on forta-ferro fiber-reinforced concrete
Mohsen GHOMI, Ehsanollah ZEIGHAMI, Seyed Mohammad MIRHOSSEINI, Seyed Hamid LAJEVARDI
DOI: 10.14744/sigma.2025.00142
Abstract
48. Formulation of eco-friendly dishwasher liquid: A sustainable solution
Hemant M. JARIWALA , Ravi VAGHELA
DOI: 10.14744/sigma.2025.00143
Abstract
49. Pre-fabrication analysis using ANSYS in dental implants for enhancing mechanical stability and clinical success
Naveen ANKEGOWDA , Rakshith GOWDA D. S. , Nithyananda B. S.
DOI: 10.14744/sigma.2025.00144
Abstract
50. Neuro‑computıng solution of graphene nano/microelectromechanical system through morlet wavelet neural network
Muhammad AMİR , Jamshaid UL RAHMAN
DOI: 10.14744/sigma.2025.00145
Abstract
51. Optimization of cable configurations in cable-stayed bridges: A linear optimization approach
Hossein KHOSRAVI , Mohsen GOLSHANI
DOI: 10.14744/sigma.2025.00146
Abstract
52. To the 90th anniversary of professor Telman A. Aliev
Naila MUSAEVA , Ana MAMMADOVA
DOI: 10.14744/sigma.2025.00154 Pages : 1628-1635
Abstract Full Text PDF
53. Residual vibrations control of a 3D printed lightweight single link flexible manipulator
Imran M. JAMADAR , Allwin Yesuvadian R. , Prasanta Kumar SAMAL , Vinodkumar H. P. , Anand A
DOI: 10.14744/sigma.2025.00167
Abstract
54. Corrosion mitigation and bond strength retention of reinforcement bars using henna and zinc inhibitor coatings
Nishant KUMAR , Satya PRAKASH
DOI: 10.14744/sigma.2025.00168
Abstract
55. A comprehensive survey on hostile post detectiontechniques in social media: Challenges and future directions
Jagruti BODA , Keyur RANA
DOI: 10.14744/sigma.2025.00169
Abstract
56. Hybrid CNN based GRU model with a self-adaptive metaheuristic algorithm -based stress detection framework
Fateh Bahadur KUNWAR , Rakesh Kumar YADAV , Hitendra SINGH , Lokesh MALVIYA
DOI: 10.14744/sigma.2025.00170
Abstract
57. Deep learning-based approach for automated detection of lumpy skin disease
Rohit SINGH , Ramraj DANGI , Lokesh MALVIYA , Akshay JADHAV
DOI: 10.14744/sigma.2025.00171
Abstract
58. SCAPS-1D performance analysis of MAPbI3 and MASnI3 based perovskite solar cells’
Velpuri LEELADEVI , Piyush KUCHHAL , Debasis DE
DOI: 10.14744/sigma.2025.00172
Abstract
59. Narrowband and highly linear LNA design for 4.5 GHz on 180NM CMOS
Serdar KAYA , Alparslan Çağrı YAPICI , Hayrullah YILDIZ , Mübarek KAYA , Mustafa D. CERCI
DOI: 10.14744/sigma.2025.00173
Abstract
60. Sustainability-financial assessment indicators for renewable energy systems using fuzzy SWARA/WASPAS approach
Razieh KESHAVARZFARD , Mohsen ABOLHASANI
DOI: 10.14744/sigma.2025.00174
Abstract
61. Aczel alsina aggregation operators of (M,N,Q)-spherical hesitant fuzzy sets and their applications in multi-attribute decision-making
Şerif ÖZLÜ
DOI: 10.14744/sigma.2025.1906
Abstract Full Text PDF
62. A model to protect disaster recovery centers from cyber threats with multi-layered network security architecture
Aykut YILMAZ , Ali GÜNEŞ
DOI: 10.14744/sigma.2025.1907
Abstract Full Text PDF
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