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All Journal Frontiers in Community Service and Empowerment Jurnal Teknokes
Setiawan, Singgih Yudha
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Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Electrical & Electronics Engineering Engineering Environmental Science Nursing Other

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Enhancing Laboratory Efficiency: A Community Service Program for Centrifuge Maintenance at Randegansari Husada Hospital Setioningsih, Endang Dian; Sumber; Setiawan, Singgih Yudha; Lusiana
Frontiers in Community Service and Empowerment Vol. 4 No. 1 (2025): March
Publisher : Forum Ilmiah Teknologi dan Ilmu Kesehatan (FORITIKES)

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The community service program conducted by Poltekkes Kemenkes Surabaya aimed to address the problems associated with equipment maintenance at the Randegansari Husada Hospital, focusing on its centrifuge equipment in the laboratory. The program included counseling and provided practical assistance to the hospital staff, preparing them with the knowledge and skills for the proper maintenance of equipment. Activities covered recording the specification data of the centrifuge units, damage detection, performance improvement using a preventive maintenance program, and performance testing using a digital tachometer. The calibration process also proved a centrifuge relative error of 1.37% at 3000 RPM within the acceptable error limit of 10%. Verification in time, at 300 seconds, resulted in a relative error of 4.89%, also within acceptable limits. Such efforts go a step further to ensure that the centrifuge works well in contributing toward better diagnostic accuracies. The program took a portion of this staffing challenge when it embarked on the training of a medical laboratory technician, insisting that improved and sustained equipment reliability meant improved health service delivery. These would then increase at the hospital to limit malfunctioning of equipment for overall quality care
ANALYSIS OF TEMPERATURE STABILITY THERMOGUN CALIBRATOR WITH FUZZY-PID CONTROL setyawanto, nanda dwi; Wisana, I Dewa Gede Hari; Setiawan, Singgih Yudha
Jurnal Teknokes Vol. 18 No. 1 (2025): March
Publisher : Jurusan Teknik Elektromedik, Politeknik Kesehatan Kemenkes Surabaya, Indonesia

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Body temperature is an important parameter in medical diagnosis. Thermogun, a non-contact temperature measuring device based on infrared technology, needs to be calibrated periodically to maintain measurement accuracy. This study aims to design a Thermogun calibrator with FUZZY-PID control that uses water as a temperature stabilizer. This system is designed to maintain temperatures in the range of 32°C to 45°C. Testing of the device was carried out using the DS18B20 sensor, as well as the Arduino Mega 2560 microcontroller as the main controller, heater plate for heating and using the Nextion LCD for its display. The test results showed that the system was able to increase the speed of temperature increase with a low level of measurement error (error). From the results of the module data analysis on the standard thermometer, the temperature error using the standard thermometer was 0% at all settings between 32°C-45°C. from the module to 3 Thermoguns using FUZZY-PID control In the experiment conducted, it was found that thermogun 3 had a good average reading of all temperatures that had been measured on the module with an error between the largest 0.625% at various temperature settings. Then on thermogun 1 & 2 had a fairly large error of up to 3.15%. From the measurement results, it can be concluded that FUZZY-PID control can be used as a temperature stability control on a thermometer calibrator. This study succeeded in achieving the desired temperature with accurate accuracy and the tool functioned properly.
Embedded Digital Filter System on Microcontroller to Reduce Noise in Single Lead Electrocardiography Design Setiawan, Singgih Yudha; Miftahul Maghfiroh , Anita
Jurnal Teknokes Vol. 18 No. 1 (2025): March
Publisher : Jurusan Teknik Elektromedik, Politeknik Kesehatan Kemenkes Surabaya, Indonesia

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The background of this research focuses on improving the quality of ECG signals which are often disturbed by noise, which can affect the accuracy of cardiac diagnosis. The main objective of the research is to show the effectiveness of the 6th order IIR (Infinite Impulse Response) filter in reducing noise in the ECG signal and increasing the Signal-to-Noise Ratio (SNR) value. This research contributes by applying advanced filtering methods to embedded systems and analyzing the results using the Fast Fourier Transform (FFT) to transmit frequency spectrum signals. The results showed that the use of a 6th order IIR filter resulted in an increase in SNR of 15.97 dB, indicating a significant improvement in the cleanliness of the ECG signal after the filtering process. FFT confirmed that this filter effectively reduced noise and clarified component frequency signals, supporting the success of the method used. The conclusion of this study is that the 6th order IIR filter is very effective in improving ECG signal quality by reducing noise and increasing diagnostic accuracy. Implications of these results include the potential use of this technology in medical devices for more accurate cardiac monitoring, as well as the need for further research to explore other screening methods and validation in various clinical settings. This research opens up opportunities for the development of better filter technology and integration in medical systems to improve patient care outcomes.
Digital Filter Design to Reduce Motion Artifacts in Electrocardiogram Signals Based on IIR Filter Maghfiroh, Anita Miftahul; Setiawan, Singgih Yudha; Mujahid, Muhammad Umer Farooq
Jurnal Teknokes Vol. 16 No. 4 (2023): December
Publisher : Jurusan Teknik Elektromedik, Politeknik Kesehatan Kemenkes Surabaya, Indonesia

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Developed a new method to overcome motion artifacts in Electrocardiogram (ECG) signals, which often interfere with accurate clinical analysis. Motion artifacts, such as body movements, can cause significant distortions in the ECG signal, resulting in incorrect interpretation and affecting medical diagnosis. The main objective of this research is to design and implement an infinite impulse response (IIR) filter with a predetermined sequence, namely orders 2, 4, 6, and 8 to reduce motion artifacts in the ECG signal. We aim to improve ECG signal quality by preserving important ECG signal information and reducing noise caused by motion artifacts. This research contributes to developing more precise and reliable ECG signal processing techniques. The proposed method provides an effective approach to handling motion artifacts, enabling more accurate and reliable ECG interpretation by medical professionals. We used an ECG simulator that provides body movement simulation as a basis for experiments. The detected ECG signal is processed with a predetermined order IIR filter. We compare the filtered signal to the original signal to measure the effectiveness of reducing motion artifacts. Experimental results show that the applied IIR filter efficiently reduces motion artifacts in the ECG signal. The SNR assessment showed a significant improvement, proving the success of this method in maintaining ECG signal quality. The result is that in the 2nd order, the SNR value is 22.25 dB, in the 4th order the SNR value is 22.75 dB, in the 6th order the SNR value is 22.99 dB, in the 6th order the SNR value is 22.99 dB. 8 obtained an SNR value of 23dB. This study successfully demonstrated that using IIR filters in a specified order effectively reduces motion artifacts in the ECG signal, increases SNR, and maintains the integrity of clinical information in the ECG signal. The implications of this research extend to medical technology development and clinical applications, providing a strong foundation for continued research in more efficient and reliable ECG signal processing.
Co-Authors Anita Miftahul Maghfiroh I Dewa Gede Hari Wisana Lusiana Mujahid, Muhammad Umer Farooq Setioningsih, Endang Dian setyawanto, nanda dwi Sumber