{"title":"Infrared Thermography Image Based Classification of Soil Dirt and Fabric","authors":"Mehmet Deni̇z, M. Seçkin, Ç. Gençer, Durmuş Koç","doi":"10.46519/ij3dptdi.1339049","DOIUrl":"https://doi.org/10.46519/ij3dptdi.1339049","url":null,"abstract":"Soil is the substance most likely to meet nature and dirt people, vehicles, and clothing, especially in outdoor. Both source material and soil samples can be damaged during industrial and criminal investigations. Therefore, there is a need for detection, examination, and identification systems that can minimize contact with forensic evidence and provide accurate results with fewer samples. The article aims to determine the type of soil using a low-cost, easily accessible, and highly sensitive system that can be used easily without interference from the surface properties of the textile or destruction of the structure of the dirt. The working sites and areas of samples to be collected were determined according to the purpose of the study. In this regard, samples of the most common soil types were taken on land in Uşak, Turkey. Different types of substances were applied and dirtying on the collected samples. The newly formed samples were heated with a heating surface and allowed to cool. During this process, a thermal video was recorded, and feature extraction was performed. 165 samples were obtained from 55 tests. As a result, it is seen that the proposed method can detect samples with 97% accuracy.","PeriodicalId":358444,"journal":{"name":"International Journal of 3D Printing Technologies and Digital Industry","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139319860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"MAKİNE ÖĞRENMESİ GÖRÜNTÜ SINIFLANDIRMA ALGORİTMALARI İLE ENSTRÜMAN SESLERİNİN SINIFLANDIRILMASI","authors":"Remzi Gürfidan","doi":"10.46519/ij3dptdi.1330052","DOIUrl":"https://doi.org/10.46519/ij3dptdi.1330052","url":null,"abstract":"Classification of audio files using CNN (Convolutional Neural Network) algorithm is an important application in the field of audio processing and artificial intelligence. This process aims to automatically classify audio files into different classes and can be used in speech recognition, emotional analysis, voice-based control systems and many other applications. The aim of this study is to perform spectrum transformation of instrumental sounds and classify them using image classification algorithms. The dataset contains a total of 1500 data from five different instruments. Audio files were processed, and signal and spectrogram images of each audio file were obtained. DenseNet121, ResNet and CNN algorithms were tested in experimental studies. The most successful results belong to the CNN algorithm with 99.34%.","PeriodicalId":358444,"journal":{"name":"International Journal of 3D Printing Technologies and Digital Industry","volume":"80 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139336917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"THE DIGITAL TWIN MODEL OF CNC MACHINES TO ESTIMATE OPERATION COMPLETION TIMES","authors":"E. Cesur, Raşit Cesur, Beyza Nur Aydoğan","doi":"10.46519/ij3dptdi.1215353","DOIUrl":"https://doi.org/10.46519/ij3dptdi.1215353","url":null,"abstract":"Endüstride dijital dönüşümün başlamasıyla fiziksel sistemlerin dijital ortamda modellenerek üretim verimliliğinin artması için çok sayıda çalışma yapılmıştır. Bu çalışamalar mevcut yöntemlere kıyasla daha karmaşık sorunları çözmek, maliyet ve kalite açısından daha etkin üretim yapmak amacıyla gerçekleştirilmektedir. Dijitalleşme çalışmalarında yapay zekâ ve makine öğreniminin endüstriyel operasyonlara dahil edilmesi oldukça önemli bir adım olmuştur. IoT ile entegre yapay zekâ ve makine öğrenimi, veri toplama, işleme ve bilgi çıkarımın tek bir yerde yapılmasına izin verdiği için büyük bir potansiyele sahip olduğu görülmüştür. Bu teknolojilerin kullanıldığı alanlardan biri ise Dijital İkiz (Dİ) uygulamalarıdır. Dİ ile, gerçek dünyanın sanal ortamda birebir modeli oluşturularak sistemlerin gerçek zamanlı kontrolü sağlanmaktadır. Endüstriyel kontrolde Dİ teknolojisinin uygulanabileceği en etkin bileşenler ise 3 boyutlu yazıcılar, robotlar ve CNC tezgâhlarıdır. Bu çalışmada, öncelikle üretim sistemlerinin Dİ modelinin geliştirilmesi hedeflenmiştir. Çalışmanın ikinci aşamasında ise geliştirilen Dİ modeli ile esnek imalat sistemi tezgahlarında doğrusal hareket komutlarının tamamlanma süresi tahmin edilmiştir. Tahmin aşamasında birden çok makine öğrenmesi algoritmaları kullanılmış ve performansları karşılaştırılmıştır. 0.995745 R2ve 0.991615 doğruluk değerleri ile Yapay sinir ağları modeli en iyi yöntem olduğu görülmektedir.","PeriodicalId":358444,"journal":{"name":"International Journal of 3D Printing Technologies and Digital Industry","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133633202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"ELEKTRİKLİ ARAÇLAR İÇİN RÖLE ANAHTARLAMALI BATARYA YÖNETİM SİSTEMİNİN TASARLANMASI VE GERÇEKLEŞTİRİLMESİ","authors":"Samet Paltaci, Samet Yalci̇n, Abdullah Genç","doi":"10.46519/ij3dptdi.1324753","DOIUrl":"https://doi.org/10.46519/ij3dptdi.1324753","url":null,"abstract":"Elektrikli araçların günümüzde yaygınlaşmaya başlamasıyla birlikte batarya teknolojileri gelişimiyle sorunları da beraberinde getirmektedir. Yükselen depolama talebiyle birlikte batarya yönetim sistemine olan ihtiyaç da artmaktadır. Ancak endüstride kullanılan yöntemlerin yanı sıra maliyetin düşürülmesi amacıyla röle anahtarlamalı batarya yönetim sistemi tasarımı ile bu makale literatüre önemli bir katkı sağlamıştır. Bu çalışmada 23 Seri LiFePO4 hücre ile yaklaşık 5kW/h enerji kontrolü Master-Slave yöntemi, röle anahtarlamalı ve Stm32f108c8t6 mikroişlemcileri ile kontrolü sağlanmıştır. Master-Slave arasındaki haberleşme CAN-Bus protokolü ile yapılarak her Slave kartın göndermiş olduğu hücre gerilimleri, hücre paketi ve hücrelerin sıcaklık değerlerini Master kartı üzerinden kalan enerji miktarı ile birlikte, izlenme merkezi tarafından takip edilmesi için Master kartına lora modülü entegre edilerek sistemin uzaktan izlenmesi sağlanmıştır. Bu sayede hücrelerin doğru bir şekilde izlenebilmesinden dolayı şarj anında herhangi bir hücrenin 3.6 V seviyesine çıktığında dengelemeye girmesi ve deşarj anında ise 2.8 V seviyesine indiğinde sistemin kapatılması sağlanarak hücrelerinin doğru kullanımı ile ömrünü uzatma işlemi sağlanmıştır.","PeriodicalId":358444,"journal":{"name":"International Journal of 3D Printing Technologies and Digital Industry","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130178606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"INVESTIGATING PRINTABILITY AND MECHANICAL PERFORMANCE OF 3D PRINTED RECYCLED PET WITH PLA AND TPU HYBRID ADDITIVES","authors":"Kutay Çava, M. Aslan","doi":"10.46519/ij3dptdi.1324777","DOIUrl":"https://doi.org/10.46519/ij3dptdi.1324777","url":null,"abstract":"This paper investigates the printability and mechanical performance of 3D printed recycled PET (rPET) filaments with the incorporation of PLA and TPU blend additives. The study focuses on evaluating the tensile, flexural, and impact properties of the resulting hybrid blends. Tensile testing revealed that the neat rPET specimens exhibited average maximum tensile strength of 51.4 MPa and a tensile elasticity modulus of 3.63 GPa. The addition of PLA and TPU additives slightly reduced the tensile strength and modulus. Regarding flexural properties, the rPET specimens demonstrated an average maximum flexural stress of 43.4 MPa, indicating their ability to withstand bending forces without significant deformation. The addition of the hybrid PLA and TPU additives led to a slight reduction in flexural performance. However, the specimens still exhibited acceptable flexural strength and modulus. Furthermore, the impact test results showed a significant improvement in impact strength for the hybrid blend, with the TPU/PLA (rPET blend) exhibiting a remarkable increase (%187 and 36%) compared to the commercial and neat rPET specimens, respectively. These findings suggest that the hybrid combination of PLA and TPU additives contributes to the microstructural integrity and printability of 3D printed objects made from recycled PET filaments, thereby contributing to the advancement of sustainable manufacturing practices.","PeriodicalId":358444,"journal":{"name":"International Journal of 3D Printing Technologies and Digital Industry","volume":"518 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116247150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Serkan Caska, M. E. Dokuz, M. Aydın, M. Ilman, Ş. Yavuz
{"title":"SYSTEM IDENTIFICATION AND VIBRATION ANALYSIS OF ROTATING BEAM WITH LATTICE STRUCTURES","authors":"Serkan Caska, M. E. Dokuz, M. Aydın, M. Ilman, Ş. Yavuz","doi":"10.46519/ij3dptdi.1325131","DOIUrl":"https://doi.org/10.46519/ij3dptdi.1325131","url":null,"abstract":"Today, lattice-structured materials are used in many engineering applications. Research and applications including lattice structures focused on obtaining lightweight components with the optimal distribution. In literature, studies on obtaining vibration models of the beams with lattice structures are limited. In this study, vibration models of rotating beams with lattice structure were obtained by using system identification methods. Beams used in the experimental phase of this study were produced by using FDM 3D printer. Lattice-based generative design program nTopology was used for the design of the beams. Three types of lattice structure such as triangular, hexagonal, and square rotated were used. The experiments were carried out using a setup that includes a servo system and a wireless accelerometer. It has been seen that the obtained models successfully represent the vibration behavior of the rotating beams. The success of the obtained vibration models of the rotating beams were compared and discussed using tables and figures.","PeriodicalId":358444,"journal":{"name":"International Journal of 3D Printing Technologies and Digital Industry","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132125458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"MANYETİK POZİSYON SENSÖRÜNE SAHİP SCARA ROBOTUNUN MODELLENMESİ VE SENSÖRÜN ANALİZİ","authors":"Kubilay Tasdelen, Selim Beri̇ş","doi":"10.46519/ij3dptdi.1308447","DOIUrl":"https://doi.org/10.46519/ij3dptdi.1308447","url":null,"abstract":"Bu çalışmanın temel amacı, manyetik pozisyon sensörlü bir enkoderin oluşturulması ve bunun 3 eksenli bir SCARA robotuna entegre edilmesidir. Geliştirilen pozisyon enkoderi, 12-bit çözünürlüğe sahiptir. Enkoder; motor adım çözünürlüğü, sensör-enkoder mesafesi, sürücü sıcaklığı ve yazılım değişken tipleri gibi farklı sistem parametreleri altında deneysel yollarla analiz edilmiştir. Enkoder, motor mili üzerine yerleştirilen mıknatısları algılayarak konum bilgisini elde etmektedir. Elde edilen veriler, farklı motor hızlarında ve çözünürlüklerde analiz edilerek doğruluğu değerlendirilmektedir. Çalışma kapsamında, step motor performansı üzerinde sürücü sıcaklığının etkisi incelenmiştir. Ardından, motor mili üzerine yerleştirilen mıknatıs ve sensör arasındaki mesafe değişiminin konum hataları üzerindeki etkisi değerlendirilmiştir. Ayrıca, yazılım algoritmasının doğruluğu da test edilerek algoritmadan kaynaklanabilecek olası sorunlar incelenmiştir. Yapılan deneyler, manyetik konum sensörlerinin hassas konumlandırma için robotik uygulamalarda potansiyel olarak kullanılabileceğini göstermiştir. Ancak, elde edilen sonuçlar, bu enkoderlerin dış etkenlerden etkilenebileceğini ortaya koymuştur. Bu nedenle, sistem tasarımı aşamasında enkoder parametrelerinin, konumu ve hassasiyeti gibi faktörlerin dikkate alınması gerektiği sonucuna varılmıştır.","PeriodicalId":358444,"journal":{"name":"International Journal of 3D Printing Technologies and Digital Industry","volume":"43 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139350594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Hybrid Particle Swarm Optimization and Grey Wolf Optimizer for Setting PID Parameters of BLDC Motors","authors":"İlhan Koçaslan, Y. Üser, Utku Köse","doi":"10.46519/ij3dptdi.1321945","DOIUrl":"https://doi.org/10.46519/ij3dptdi.1321945","url":null,"abstract":"BLDC (Brushless DC) motors have advantages over asynchronous motors and dc motors in various aspects. Particularly in electric bicycles and flying cars, BLDC motors are utilized widely. Electric bicycles and flying cars are becoming increasingly popular, and as a result, the significance of BLDC motors and their cost-effective and efficient utilization has been growing rapidly. PID (Proportional Integral Derivative) controllers are generally used in motor control because they are cheap and perform well. Many methods have been used to adjust PID parameters. Although methods such as Ziegler-Nichols, Cohen-Coon etc. are widely used, there are also new methods such as optimization algorithms PSO (Particle Swarm Optimization), Whale Optimization Technique, Gray Wolf Optimization technique etc. The hybrid method: HPSOGWO (Hybrid Algorithm of Particle Swarm Optimization and Grey Wolf Optimizer) is a combination of PSO and GWO (Grey Wolf Optimizer) techniques, and it can be used for tuning PID parameters. As associated with this, the aim of this study is to show the superiority of HPSOGWO algorithm in optimizing the PID parameters. In the content of this study, the essentials regarding the optimization background, and details of the BLDC motor modeling was explained first. After that, the methodology of the hybrid solution was expressed and then the application phase was explained in detail, by including the results generally. In the context of the intelligent optimization approach of this study, the results were obtained in the MATLAB Simulink environment. The application of the used solution method revealed its superiority over the study conducted solely with GWO in various parameters.","PeriodicalId":358444,"journal":{"name":"International Journal of 3D Printing Technologies and Digital Industry","volume":"278 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134114721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"DIGITALIZATION IN BUSINESS MANAGEMENT","authors":"Ayla Avci","doi":"10.46519/ij3dptdi.1309831","DOIUrl":"https://doi.org/10.46519/ij3dptdi.1309831","url":null,"abstract":"The dizzying speed experienced in the field of technology in recent years has become a driving force in providing a new management approach and sustainability, especially in companies. Namely, this rapid transformation has made it a necessity for managers with technical knowledge and equipment to come to the fore in company management and to use technological insfrastructure and systems in all companies. While the managers of the classical period were not given the opportunity to make decisions, today thanks to the technological communication networks of all unıts, the ease of information flow has been the most important factor in the development of joint decision making. In addition, the fact that the managers made technological facilities, tools and equipment applicable and usable in the companies, provided a significiant change in the competitive sustainability face. In this research, digital management studies conducted in recent years were evaluated and she stated that digital management style of recent years in the processes experienced in the past and today.","PeriodicalId":358444,"journal":{"name":"International Journal of 3D Printing Technologies and Digital Industry","volume":"5 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123808003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"PROTOTYPE DESIGN AND MANUFACTURING OF A FOUR-LEGED EXPLORATION ROBOT WITH A THREE-DIMENSIONAL (3D) PRINTER","authors":"A. K. Tanyıldızı","doi":"10.46519/ij3dptdi.1277891","DOIUrl":"https://doi.org/10.46519/ij3dptdi.1277891","url":null,"abstract":"Dört bacaklı robotlar, çeviklik, dengeli hareket ve farklı zorlu arazi şartlarına uyum sağlama yetenekleri nedeni ile keşif, arama kurtarma, tarım, inşaat ve askeri alanlarda büyük ilgi görmektedir. Ayaklı robotlara her alandan uzmanın ilgisi artarken, araştırmacılar uygun maliyetli ve yüksek manevra yetenekli robotlar geliştirmek adına çalışmalarını sürdürmektedirler. Bu çalışma, dört bacaklı bir 12 serbestlik dereceli bir robotun tasarımı, 3 boyutlu yazıcıda üretilmesi ve ileri kinematik analizine ait detaylar sunulmuştur. Robotun üç boyutlu modeli SolidWorks programında modellenmiş ve sonrasında parça modelleri 3 boyutlu baskı teknolojisi kullanılarak PLA malzemeden imal edilmiştir. Robotun her bir bacağı üç serbestlik dereceli olup, aktuatör olarak DC servo motorlar kullanılmıştır. Robotun denge ve yörünge kontrol yazılımları Arduino Mega gömülü sistem kartı üzerinde geliştirilmiştir. Robot uzaktan kumanda edilmektedir ve üzerinde yer alan RGB kamera sayesinde çevresel algılama da yapabilmektedir. Bu çalışmanın, düşük bütçeli ve kolayca imal edilebilir dört ayaklı bir robota ihtiyaç duyan araştırmacılara yol göstermesi açısından akademik çalışmalara katkıda bulunması hedeflenmiştir.","PeriodicalId":358444,"journal":{"name":"International Journal of 3D Printing Technologies and Digital Industry","volume":"324 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134096533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}