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All Journal Indonesian Journal of Electrical Engineering and Informatics (IJEEI) JOURNAL OF APPLIED INFORMATICS AND COMPUTING Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam
Nelmiawati Nelmiawati
Politeknik Negeri Batam
Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Mechanical Engineering

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Improving accuracy of derived 12-lead electrocardiography by waveform segmentation Indra Hardian Mulyadi; Nelmiawati Nelmiawati; Eko Supriyanto
Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Vol 7, No 1: March 2019
Publisher : IAES Indonesian Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (349.237 KB) | DOI: 10.52549/ijeei.v7i1.937

Abstract

A number of methods have been proposed to reduce number of leads for electrocardiography (ECG) measurement without decreasing the signal quality. Some limited sets of leads that are nearly orthogonal, such as EASI, have been used to reconstruct the standard 12-lead ECG by various transformation techniques including linear, nonlinear, generic, and patient-specific. Those existing techniques, however, employed a full-cycle ECG waveform to calculate the transformation coefficients. Instead of calculating the transformation coefficients using a full-cycle waveform, we propose a new approach that segments the waveform into three segments: PR, QRS complex, and ST, hence the transformation coefficients were segment-specific. For testing, our new segment-specific approach was applied to six existing methods: Dower’s method with generic coefficients, Dower’s method with individual (patient-specific) coefficients, Linear Regression (LR), 2nd degree Polynomial Regression (PR), 3rd degree PR, and Artificial Neural Network (ANN). The results showed that the new approach outperformed the conventional full-cycle approach. It was able to significantly reduce the derivation error up to 74.50% as well as improve the correlation coefficient up to 0.66%.
Rancang Bangun Lab Komputer Virtual Berbasis Cloud Computing Menggunakan Openstack Pada Jaringan Terpusat Nelmiawati Nelmiawati; Nur Cahyono Kushardianto; Ahmad Hamim Tohari; Yan Prada Hasibuan; Dwi Ely Kurniawan
Journal of Applied Informatics and Computing Vol 2 No 1 (2018): Juli 2018
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (922.577 KB) | DOI: 10.30871/jaic.v2i1.821

Abstract

Politeknik Negeri Batam is one college that gives higher priority to practicum activity. Students are therefore faced with a larger practical task than theory, making it more laboratory than practicum sessions. While access to the lab is quite limited. Virtual computer labs using Cloud Computing technology can be a solution to overcome this limitation. The author has been doing research on the design of Cloud Computing's virtual computer lab using OpenStack on a centralized network and has got some results. Tests are performed with specific server specifications and use the OpenStack platform. And the results of testing of the virtual computer lab with case studies of object-based programming courses show the server used during testing can run virtual computer lab with 9 computers well. While in the case study there are 30 computers per lab. This is due to hardware resources that are not good enough.
Sistem Pendataan Barang Milik Negara dengan Secured QR Code dan REST API Maidel Fani; Nelmiawati Nelmiawati; Ahmad Hamim Thohari
Journal of Applied Informatics and Computing Vol 5 No 1 (2021): July 2021
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v5i1.2897

Abstract

Barang Milik Negara (BMN) adalah semua barang yang dibeli atau diperoleh atas beban Anggaran Pendapatan dan Belanja Negara (APBN) atau berasal dari perolehan lainnya yang sah. Politeknik Negeri Batam sebagai institusi pemerintah, wajib mengelola, memanfaatkan dan merawat BMN dengan baik agar didapat manfaat yang maksimal dari barang tersebut. Pemanfaatan teknologi mutlak diperlukan dalam rangka meningkatkan tata kelola dalam mengelola barang milik negara. Saat ini pengelolaan barang milik negara dilakukan dengan memberikan label yang berisi nomor pada setiap barang. Kendala yang muncul antara lain dalam proses pendataan, pelacakan dan pengelolaan barang milik negara, karena label tersebut dapat rusak, pudar dan terlepas. Penelitian ini mengusulkan aplikasi mobile dengan QR Code scanner untuk mengakses dan memeriksa data BMN dengan tepat. Aplikasi dilengkapi dengan secure QR Code generator dan REST API sebagai penyedia data BMN.
Pelatihan Bahasa Inggris Untuk Masyarakat Hinterland Dalam Pengembangan Kampung Wisata Pasir Panjang Arta Uly Siahaan; Condra Antoni; Satria Bayu Aji; Yosi Handayani; Agus Fatulloh; Mira Chandra Kirana; Nelmiawati Nelmiawati; Rina Yulius; Maidel Fani; Festy Winda Sari; Riki Riki; Ardiman Firmanda; Roza Puspita; Muhammad Idris
Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam Vol 1 No 1 (2019): Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam
Publisher : Pusat P2M Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/abdimas.v1i1.1253

Abstract

Nowadays, English should be mastered by all level of people and for all ages namely for children, teenagers or adults. There is a special challenge for improving the ability especially for hinterland society. For Rempang Cate citizen which is one of tourism destination in Batam, it is still far from the expectation. The idea of this community service is to improve the communication as the tourist destination host especially English for tourism. Finally, by giving this training to them, it is expected that they are able to attract more tourst to visit this place. The method of this community service is by giving training to three levels of class by providing material related to simple conversation fo tourism. Based on general result of questionnaire, everything ran well and no obstacles and difficulties happened to organize this training. It was very helpful to improve the readiness of the society to welcome the tourist.
Klasifikasi dan Edukasi Alternatif Media Pembelajaran Daring untuk Edukator Maidel Fani; Nelmiawati Nelmiawati; Ahmad Hamim Thohari; Hamdani Arif; Supardianto Supardianto; Muchammad Fajri Amirul Nashrullah; Dodi Prima Resda; Heru Wijanarko; Rizky Pratama Hudhajanto; Dwi Ely Kurniawan; Rina Yulius; Mira Chandra Kirana; Muhammad Idris
Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam Vol 3 No 2 (2021): Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam
Publisher : Pusat P2M Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/abdimas polibatam.v3i2.2917

Abstract

Abstract—Corona Virus Diseases 2019 (COVID-19) has been spread and infected many people in the world. Government issued physical distancing policy and ordered schools and colleges to conduct an online learning to overcome the spread. A transition from conventional to online learning poses new problems such as unpreparedness of educators and students to comply on this situation. One of the factors of unpreparedness is the uneven spread of the internet so that students find it difficult to follow the online learning process. Therefore, there needs to be a proper alternative media selector by educators so that in the delivery of material can be followed by all students. Education about the selection of alternative media online is expected to be a solution for educators in determining the media and methods chosen according to the conditions faced. In general, the results of questionnaire analysis that has been disseminated provide new benefits and knowledge for educators about alternative media online learning process. Thus, educators can determine which media and methods to choose based on their individual circumstances and situations
Co-Authors Agus Fatulloh Ahmad Hamim Thohari Ahmad Hamim Tohari Ardiman Firmanda Condra Antoni Dodi Prima Resda Dwi Ely Kurniawan Eko Supriyanto Festy Winda Sari Hamdani Arif Maidel Fani Mira Chandra Kirana Muchammad Fajri Amirul Nashrullah Muhammad Idris Mulyadi, Indra Hardian Nur Cahyono Kushardianto Riki Riki Rina Yulius Rizky Pratama Hudhajanto Roza Puspita Satria Bayu Aji Siahaan, Arta Uly Supardianto Supardianto Yan Prada Hasibuan Yosi Handayani