Browsing by Author "Celebioglu, C."

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Citation - WoS: 2
Citation - Scopus: 3
Iot-Based Incubator Monitoring and Machine Learning Powered Alarm Predictions
(IOS Press BV, 2024) Celebioglu, C.; Topalli, A.K.
BACKGROUND: Incubators, especially the ones for babies, require continuous monitoring for anomaly detection and taking action when necessary. OBJECTIVE: This study aims to introduce a system in which important information such as temperature, humidity and gas values being tracked from incubator environment continuously in real-time. METHOD: Multiple sensors, a microcontroller, a transmission module, a cloud server, a mobile application, and a Web application were integrated Data were made accessible to the duty personnel both remotely via Wi-Fi and in the range of the sensors via Bluetooth Low Energy technologies. In addition, potential emergencies were detected and alarm notifications were created utilising a machine learning algorithm. The mobile application receiving the data from the sensors via Bluetooth was designed such a way that it stores the data internally in case of Internet disruption, and transfers the data when the connection is restored. RESULTS: The obtained results reveal that a neural network structure with sensor measurements from the last hour gives the best prediction for the next hour measurement. CONCLUSION: The affordable hardware and software used in this system make it beneficial, especially in the health sector, in which the close monitoring of baby incubators is vitally important. © 2024 – IOS Press.
Citation - Scopus: 5
Smartphone-Based Bearing Fault Diagnosis in Rotating Machinery Using Audio Data and 1d Convolutional Neural Networks
(Association for Computing Machinery, 2024) Celebioglu, C.; Kilickaya, S.; Eren, Levent
Asynchronous machines are essential components that drive critical systems across industrial, trading, and residential sectors, powering heating units, pumps, and various appliances. Yet, ensuring their reliable process is paramount to prevent costly defects and maintain productivity. Notably, failures in the rolling element bearings (REB) account for about forty percent of motor failures, underscoring the urgency of early detection to mitigate operational risks and financial losses. To address this challenge, this paper proposes an innovative smartphone-based diagnostic technique for detecting bearing faults in induction machines. Leveraging the common availability and computational capabilities of smartphones, the approach utilizes the devices' audio recording functionality to capture motor audio signals. Audio data collected from rotating machines with various fault types is used to train a 1D Convolutional Neural Network (1D CNN), and the trained model is then deployed on a smartphone for real-time fault diagnosis. Embedding this approach into a user-friendly mobile application enhances accessibility and usability, offering a cost-effective solution for fault diagnosis in induction machines. © 2024 ACM.