Browsing by Author "IEEE"
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Publication A mobile application based decision support system using oxygen saturation and pulse rate(IEEE, 2018-01-01) Yıldız, Ömer; Karlık, Sait Eser; IEEE; Yıldız, Ömer; KARLIK, SAİT ESER; Bursa Uludağ Üniversitesi/Mühendislik Fakültesi; 0000-0002-7398-1933; AAJ-2404-2021; I-7580-2016The increase in city populations and the rise in requests about healthcare services created a new area called Smart Healthcare applications. Most of the smart healthcare implementations are used in systems and their components concerning remote control of chronic illnesses. Currently, hospital and doctor visits take a big part in healthcare services for chronic patients. It can be predicted that remote health checks will be easily done for those patients in the near future. In our work, we have developed a decision support system that can be used in remote-monitoring the oxygen saturation and pulse rate values of a patient. In this system, an Android smart phone, a portable and wearable pulse oximeter, an Android Studio 2.2.2 version mobile software development kit have been used. Furthermore, the designed system contains android mobile application, Microsoft SQL database and Microsoft Visual Studio programs. The web interface created with Microsoft Visual Studio is used in real-time transmission of oxygen saturation and pulse rate values to a central patient control system where instantaneous saving of values to the Microsoft SQL database is performed. The system designed in this work has an important potential for smart healthcare applications that will be used in remote control of chronic illnesses.Publication Diagnosis of lung cancer with e-nose(IEEE, 2018-01-01) Özsandıkçıoğlu, Ümit; Atasoy, Ayten; Yapıcı, Şule; IEEE; Yapıcı, Şule; Bursa Uludağ Üniversitesi/Mühendislik Fakültesi/Elektrik Mühendisliği Bölümü; CGQ-2553-2022In this work an Electronic Nose system with low cost is developed in order to analyze human breath and this system's success is tested on diagnosing lung cancer. In this Electronic Nose system, Quartz Crystal Microbalance and Metal Oxide Semiconductor gas sensors are used. The sensors that are sensed to volatile organic compounds found in the breaths of patient lung cancer patients are selected. Breath examples of lung cancer patient and healthy people are analysed with this system. Data acquired from system are preprocessed and dimension of these data are reduced by Principal Component Analysis method. After this processed, features from data are extracted. Classification of data is examined with k-Nearest Neighbors, Support Vector Machines and Artificial Neural Networks algorithms. Maximum success rates obtained with these algorithms are 91.4%, 85.7%, 91.4% respectively.Publication Experimental investigation of the impact resistance of involute spur gears(IEEE, 2018-01-01) Doğan, Oğuz; Yüce, Celalettin; Karpat, Fatih; Kalay, Onur Can; IEEE; DOĞAN, OĞUZ; YÜCE, CELALETTİN; KARPAT, FATİH; Kalay, Onur Can; Bursa Uludağ Üniversitesi/Mühendislik Fakültesi; 0000-0003-4203-8237; 0000-0003-1387-907X; 0000-0001-8474-7328; 0000-0001-8643-6910; A-5259-2018; GXH-1702-2022; R-3733-2017; GDQ-4936-2022Gears are the most commonly used power transmission element in today's world. Due to their advantages, gears are widely used in many sectors such as aerospace, space, wind turbines, automotive, etc. In these sectors the moment, speed and power values that need to be transmitted are increasing day by day. Due to the increased power and moment values, gears are exposed to high dynamic, impact loads and they are subject to damage due to these loads. For this reason, the impact resistance of the gears must be determined carefully in the design phase of the gear. In this study, an experimental method for determining impact loads of the gears is developed. A special drop gear impact test setup is designed and manufactured to determine the impact loads on the gear. The test setup works by dropping the load on the gear tooth from a certain height. In this way, the teeth are broken and the impact load, acceleration and displacement values are measured by using special measurement instruments which are attached on the test setup. The effect of surface hardness on impact loads is investigated. Two different gear samples are used in the experiments. It is seen that the surface hardness has great effect on the impact loads of the gears. It has been found that surface hardened gears have much higher impact strength than unhardened gears.Publication Hemodynamic examination of brain aneurysm based on computational fluid dynamics (CFD) simulations(IEEE, 2015-01-01) Süslü, Barış; Olcay, Ali Bahadır; Hakyemez, Bahattin; IEEE; HAKYEMEZ, BAHATTİN; Uludağ Üniversitesi/Tıp Fakültesi/Radyoloji Bölümü; 0000-0002-3425-0740; AAI-2318-2021Aneurysms that bulge on intracranial carotid arteries can be detected by using medical imaging technologies. Aneurysm, which is detected in this scope of study, is isolated from the rest of the arteries and vessel cloud with the help of Computer Aided Design (CAD) programme. Obtained geometry is transferred into Computational Fluid Dynamics (CFD) with applicable extension. Drop in pressure, velocity values (x, y, z plane) and wall shear stress (WWS) is recorded through the aneurysm and arteries which aneurysm initialize on. At the same time, this study gave us an opportunity to analyze parameters that affect aneurysm and its' around via visual way. We observed homogenous WWS distribution and consistent velocity values in our simulation outputs. In addition, change in pressure through the aneurysm was recorded. As a result, patient specific investigation of hemodynamics parameters in-vivo is a quite challenging problem so that image-based CFD is powerful and convenient tool to acquire mentioned parameters for the diagnosis and treatment procedure.