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All Journal Journal of Engineering and Technological Sciences ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Panrita Abdi - Jurnal Pengabdian pada Masyarakat Jurnal Otomasi Kontrol dan Instrumentasi Jurnal Permata Indonesia Engineering Science Letter eProceedings of Engineering SWAGATI: Journal of Community Service
Hesty Susanti
Universitas Telkom
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health Social Sciences Other

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New Reconstruction Method for Needle Contrast Optimization in B-Mode Ultrasound Image by Extracting RF Signal Parameters in Frequency Domain Hesty Susanti; Suprijanto Suprijanto; Deddy Kurniadi
Journal of Engineering and Technological Sciences Vol. 52 No. 4 (2020)
Publisher : Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2020.52.4.5

Abstract

Ultrasound-guided needle insertion has become standard in medical interventional procedures. Regardless of its advantages, it still has crucial problems related to needle visibility. Some technical factors affect the visibility with non-linear characteristic, i.e. frequency, insertion angle and depth. Here, backscattered signal parameters from measurement were compared to a simulation of a resonance scattering model. Raw radio frequency (RF) data were reconstructed with a new method to represent unique information on total backpropagation from the needle, which consists of non-resonance and resonance scattering components. The result suggests that reconstruction of the needle in B-mode images should be derived from the maximum power spectral density and the energy spectral density to optimize the contrast of the needle. In measurements with the center frequency at 1.87 MHz, the effect of resonance scattering on the total backpropagation around critical angles could be observed more clearly with this method than with standard reconstruction based on the signal envelope. The simulation showed that the fractional bandwidth of the spectrum of the backscattered pressure field centered at 1.87 MHz was relatively optimal at 40% to 100%. So that the simulation of the resonance scattering model can be used to predict the backscattered response from the needle, it must be able to confirm it to the real conditions of RF data with random characteristics. Therefore, extraction of the backscattered pressure field in a simulation with fractional bandwidth should be a concern.
IMPLEMENTASI ALAT PEMANTAUAN AKTIVITAS DAN PELACAKAN LOKASI JATUH (E-CARE) UNTUK LANSIA DI DAERAH CIKUTRA KOTA BANDUNG Istiqomah; Hesty Susanti; Husneni Mukhtar; Willy Anugrah Cahyadi; Bambang Setia Nugroho; Suto Setiyadi; Nicola Akmal Afrinaldi; Nadia Husnul; Fikri Ardian
Panrita Abdi - Jurnal Pengabdian pada Masyarakat Vol. 7 No. 1 (2023): Jurnal Panrita Abdi - Januari 2023
Publisher : LP2M Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/pa.v7i1.19312

Abstract

Indonesia has a percentage of an elderly population of as much as 9.03%, so it can be stated that Indonesia is a country with an old structure. This makes Indonesia pay attention to the health, activity, and productivity of the elderly. Changes in physical condition can affect the activities of the elderly significantly and increase the risk of falling. Therefore, a monitoring tool for elderly activities and location points for elderly falls was developed called e-care for the elderly. E-care Elderly is designed to be able to monitor the position of the elderly via GPS and detect if the elderly have fallen. This tool is connected to the application installed on the smartphone. In addition, this elderly E-care is equipped with a camera that can monitor the situation around the elderly. This service will be given to 10 elderly in Cikutra Village, Cibeunying Kidul District, Bandung City. There will be several preparations, implementation, and assistance activities for E-care for the Elderly. According to a survey of respondents who took part in this community service, more than 80% felt the tool had a performance that followed the needs, and 100% thought it was appropriate and very suitable for this activity with the goals and conditions of the community and it was hoped that the continuity of this activity. The survey results illustrate that the community understands all community service activities and how to use and benefit from E-Care tools.  ---  Indonesia memiliki persentase penduduk lansia sebanyak 9,03%, sehingga dapat dinyatakan indonesia merupakan negara berstruktur tua. Hal tersebut membuat Indonesia harus memperhatikan  kesehatan, keaktifan, dan produktivitas dari lansia. Perubahan kondisi fisik dapat mempengaruhi aktivitas lansia terutama dan menambah resiko jatuh. Oleh karena itu dikembakan alat pemantau aktivitas lansia dan titik lokasi jatuh lansia yang dimamakan e-care lansia. E-care Lansia dirancang agar dapat memantau posisi lansia melalui GPS dan mendeteksi jika lansia terjatuh. Alat ini terhubung ke aplikasi yang terpasang pada telepon pintar. Selain itu, E-care lansia ini dilengkapi dengan kamera yang dapat memantau keadaan di sekitar lansia. Pada abdimas ini akan diberikan kepada 10 lansia di Kelurahan Cikutra, Kecamatan Cibeunying Kidul, Kota Bandung.  Akan ada beberapa kegiatan persiapan, pengimplementasian dan pendampingan penggunaan E-care Lansia. Menurut survei responden yang mengikuti kegiatan abdimas lebih dari 80 % merasa alat memiliki kinerja yang sesuai dengan kebutuhan dan 100 % merasa sesuai dan sangat sesuai kegiatan ini dengan tujuan dan kebutuhan masyarakat dan diharapkan keberlangsungan kegiatan ini. Dari hasil survei tersebut juga bisa menggambarkan bahwa masyarakat sasar paham tentang seluruh kegiatan abdimas dan paham cara penggunaan dan manfaat dari alat E-Care.
KESIAPSIAGAAN PENANGULANGAN BENCANA BERDASARKAN HOSPITAL DISASTER PLAN DI RUMAH SAKIT PKU MUHAMMADIYAH YOGYAKARTA Harinto Nur Seha; Joko Santoso; Hesty Susanti
Jurnal Permata Indonesia Volume 9, Nomor 1, Mei 2018
Publisher : Politeknik Kesehatan Permata Indonesia Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (818.328 KB) | DOI: 10.59737/jpi.v9i1.102

Abstract

Tingginya kerawanan bencana yang ada di Yogyakarta dan dengan adanya Undang-Undang Nomor 36 Tahun 2009 tentang rumah sakit yang mewajibkan memiliki sistem penanggulangan bencana serta untuk memenuhi akreditasi rumah sakit sesuai Permenkes Nomor 12 Tahun 2012. Tujuan : Mengetahui Kesiapsiagaan dalam Penanggulangan Bencana Berdasarkan Hospital Disater Plan di Rumah Sakit PKU Muhammadiyah Yogyakarta Metode Penelitian : Penelitian ini menggunakan metode deskriptif kualitatif. Teknik pengumpulan data dalam penelitian ini menggunakan observasi, wawancara dan dokumentasi. Hasil : Regulasi yang berbentuk kebijakan pedoman serta SPO di Rumah Sakit PKU Muhammadiyah. Pengorganisasian di Rumah Sakit PKU Muhammadiyah sudah dibentuk. Persediaan logistik di Rumah Sakit PKU Muhammadiyah berupa obat-obatan, akomondasi, tiage, APAR. Tata Kerja Operasional di Rumah Sakit PKU Muhammadiyah yang berupa tahap kesiagaan, tahap awal, tahap operasional.Kesimpulan : Rumah Sakit PKU Muhammadiyah Yogyakarta sudah siap menjalankan penanggulangan bencana berdasarkan hospital disaster plan.
E-Growth Monitoring System (EGMS) sebagai Upaya Penurunan Prevalensi Stunting MUKHTAR, HUSNENI; SUSANTI, HESTY; CAHYADI, WILLY ANUGRAH; RAHMAWATI, DIEN; MUTTAQIEN, TEUKU ZULKARNAIN; SUDIYONO, OOY ARIE; SUSANTO, KUSNAHADI; SETIYADI, SUTO; GERALDI, ARIK; PUJIRAHARJO, YOGA; SARI, SHEIZI PRISTA; SARI, EKA AFRIMA; YUDIARTI, DIENA
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 10, No 4: Published October 2022
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v10i4.903

Abstract

ABSTRAKPemerintah Indonesia melalui Stranas Percepatan Pencegahan Anak Kerdil (stunting) 2018-2024 memprioritaskan pencegahan dan penurunan prevalensi stunting dengan menyasar berbagai penyebab langsung dan tidak langsung yang memerlukan kerjasama dan koordinasi lintas sektor di seluruh tingkatan pemerintah, swasta, dunia usaha dan masyarakat, terutama di Posyandu. EGrowth Monitoring System (EGMS) yang dirancang ini berfungsi untuk mengukur tumbuh kembang bayi dan balita, terutama mendeteksi terjadinya stunting dan gizi buruk sejak dini agar dapat dilakukan upaya perbaikan secara tepat. Implementasi produk inovasi ini menggunakan sensor ultrasonik dan load cell untuk mengukur tinggi badan dan berat badan bayi dan balita, di mana rentang error pembacaan sensor-sensor tersebut secara berturut-turut adalah 0,01 – 4,36% dan 0,00 – 1,43%.Kata kunci: stunting, e-growth monitoring system, berat badan, tinggi badan, posyandu ABSTRACTIndonesian government, through National Strategy for Preventing Child Stunting 2018-2024, prioritize both prevention and reduction of stunting prevalence by targeting the causes. It requires inter-sector coordinations between government, private companies, businesses, and citizens, especially in local clinics. E-Growth Monitoring System (EGMS) is proposed to measure the growth of infant and toddler, specifically to detect a possible stunting and bad nutrition as early as possible in order to devise an improvement effectively. The implementation of this innovation employs the use of both ultrasonic sensor and load cell to measure the body height and weight of infant and toddler. Its expected margin of error for the sensors are 0.01 – 4.36% and 0.00 – 1.43% for ultrasonic sensor and load cell, respectively.Keywords: stunting, e-growth monitoring system, weight, height, posyandu
Integrasi Digital Marketing dan Community-Based Tourism dalam Pengembangan Agrowisata di Desa Warjabakti Kabupaten Bandung Susanti, Hesty; Rahmawati, Dien; Mukhtar, Husneni; Wibowo, Suryo Adhi; Priharti, Wahmisari; Cahyadi, Willy Anugrah; Nugroho, Bambang Setia; Aziz, Burhanuddin; Susanto, Kusnahadi
SWAGATI : Journal of Community Service Vol. 2 No. 2 (2024): July
Publisher : Universitas AMIKOM Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24076/swagati.2024v2i2.1095

Abstract

Warjabakti Village has various agro-tourism potentials that have not been managed properly, namely in the form of a charming natural scenery, natural conditions that are still maintained, and cool air. The problems faced are the need for more exposure to technology, the unavailability of supporting facilities and infrastructure, and the absence of groups capable of coordinating these potentials. This community service aims to develop a community-based tourism system by integrating digital marketing technology to empower target communities. The results achieved from this community service activity are the formation of Pokdarwis, which have been legally approved by the village government and will oversee the management of the tourism village in Warjabakti Village with governance that the team and partners have made. In addition, the e-digital map and the Haruman Tourism Village website have been produced. This website contains village content and branding that displays attractive village information, videos, and animations that have been structured and integrated, as well as a complete and attractive e-digital map of tourist areas.
Implementasi Mesin Roasting Kopi Untuk Peningkatan Kualitas Produksi Kopi UMKM Darma Coffee Mukhtar, Husneni; Priharti, Wahmisari; Rahmawati, Dien; Susanti, Hesty; Cahyadi, Willy Anugrah; Nugroho, Bambang Setia; Wibowo, Suryo Adhi; Muttaqien, Teuku Zulkarnain; Rizal, Achmad; Susanto, Kusnahadi
SWAGATI : Journal of Community Service Vol. 1 No. 3 (2023): November
Publisher : Universitas AMIKOM Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24076/swagati.2023v1i3.1082

Abstract

UMKM Darma Coffee adalah salah satu UMKM bersifat industri rumah tangga yang ada di Desa Warjabakti, Kecamatan Cimaung, Kabupaten Bandung. Saat ini, masalah yang dihadapi oleh UMKM Darma Coffee ini adalah masih manualnya proses roasting kopi. Pengabdian masyarakat ini berfokus pada penyediaan solusi roasting kopi karena saat ini proses roasting kopi tersebut masih manual. Petani juga diharuskan fokus dengan pekerjaan memutar alat agar kopi tidak gosong, dan temperatur yang presisi juga tidak diketahui sehingga kualitas roasting kopi di bawah standar. Tujuan pengabdian masyarakat ini adalah pengembangan sebuah mesin roasting kopi otomatis dengan timer digital serta dilengkapi pemantauan suhu, kecuali pengaturan sumber pemanasnya. Hal ini sesuai dengan hasil wawancara dengan ketua UMKM Darma Coffee. Hasil yang dicapai adalah tersedianya mesin roasting kopi otomatis serta desain packaging kopi yang lebih menarik. Terjadi peningkatan kecepatan proses roasting menjadi 10-15 menit. Terdapat pula peningkatan soft skill pada para petani kopi di UMKM Darma Coffee.
Evaluasi Algoritme Bresenham dan Digital Differential Analyzer (DDA) untuk Pengontrolan Koordinasi Gerakan Dua Motor Stepper pada Robot untuk Simulator Penusukan Jarum Medis Helma Devina; Jessica Jessica; Hesty Susanti; Suprijanto Suprijanto; Eko Mursito Budi
Jurnal Otomasi Kontrol dan Instrumentasi Vol 11 No 2 (2019): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2019.11.2.1

Abstract

Citra USG merupakan salah satu kebutuhan pendukung yang krusial dalam menuntun penusukan jarum medis ke dalam tubuh pasien. Konsistensi citra visibilitas jarum tersebut ditentukan oleh dua faktor, yaitu teknis pencitraan yang digunakan (spesifikasi transduser USG dan karakteristik akustik jarum) dan posisi jarum (kedalaman dan sudut penusukan) terhadap muka gelombang bidang yang dipancarkan pada bidang pandang tertentu. Sebelum diaplikasikan ke tubuh pasien, diperlukan suatu informasi berupa peta visibilitas jarum yang dicitrakan USG dengan mensimulasikan teknik penusukan secara in-plane menggunakan sistem robot 3 DOF. Hal penting dari robot 3 DOF yang digunakan adalah koordinasi gerakan dua motor stepper yang menjamin gerakan penusukan jarum berada pada trajektori berupa garis lurus untuk berbagai kombinasi kedalaman dan sudut penusukan. Oleh karena itu, pada makalah ini akan dilakukan evaluasi algoritme Bresenham dan Digital Differential Analyzer (DDA) dalam mengatur pemberian jumlah pulsa masukan pada kedua motor stepper sehingga diperoleh gerakan yang diinginkan. Pengujian dilakukan dengan menggunakan jarum spinal 22G pada gerakan penusukan dengan rentang sudut penusukan 08 - 908 dengan perubahan sudut 22,58 dan kedalaman penusukan 10 "“ 50 mm dengan perubahan kedalaman 10 mm. Berdasarkan nilai RMSE, standar deviasi, linearitas, dan R2, algoritme Bresenham lebih baik dibandingkan dengan algoritme DDA. 
Pengukuran Somatotype dan Center of Pressure (CoP) dengan Force Platform untuk Mengetahui Pengaruh Morfologi Tubuh terhadap Keseimbangan Postur Berdiri Hesty Susanti; Husneni Mukhtar; Dien Rahmawati; Muhammad Arik Geraldy Fauzi; Suto Setiyadi
Jurnal Otomasi Kontrol dan Instrumentasi Vol 14 No 2 (2022): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2022.14.2.3

Abstract

The human ability to carry out daily activities is influenced by the balance of body posture in various positions, especially in a standing position. One of the factors of body balance is a biomechanical factor which is influenced by the morphology of the human body. Somatotype is a method of classifying the morphology of the human body, while the balance of human body posture can be measured based on the center of pressure (COP), which is the center of pressure generated when humans stand up. In this study, a system was designed to classify somatotypes using the Heath-Carter formula and assessment of body posture balance. Somatotype grouping is done with inputs in the form of body height measured with an ultrasonic sensor, body mass measured using a set of load cells to determine body mass index (BMI), and 8 anthropometric parameters. While the measurement of body balance is carried out by measuring the COP values using 8 load cell sensors. Eight anthropometric parameters were used, namely skin folds in the triceps, subscapular, supraspinal, and medial calf areas, the width of the femur and humerus bones, and the triceps and calf circumference. Statistical parameter values ​​in the form of mean, range, and approximate entropy (ApEn) are then calculated from the obtained COP values, i.e., for the medial-lateral (ML) and anterior-posterior (AP) directions, so that the center point of the COP, the displacement distance of each axis (ML and AP directions), and their stability can be determined. The measurement results are grouped and combined to display the type of somatotype associated with the COP value to obtain a relationship between the type of somatotype and a person's standing posture. Measurements were carried out on 14 male subjects with an age range of 15-23 years. The measurement results show an average error range of 0.37-2.58% for ultrasonic sensors, 0.64-4.67% for load cells, 0.1-0.6% for ApEn values ​​at COP in the medial-direction direction (ML COP), and 0% for ApEn in COP in the anterior-posterior direction (AP COP). The average difference range for ML COP is 0.03-0.84 cm, while the average for AP COP is 0.14-0.58 cm. These differences indicate a shift in the center of pressure on the subject's body when measurements are taken compared to the original state. The ectomorphic somatotype group had the greatest instability compared to 2 other somatotype groups, namely endomorphic and mesomorphic. In each somatotype group, the value of the AP COP range which is greater than in the ML COP indicates a greater tendency of body sway in the anterior-posterior direction. Keywords: somatotype; balance posture; center of pressure; body morphology
Implementasi Gelombang Ultrasonik Untuk Mendeteksi Dan Mengusir Hama Belalang Andika , Evan Enggana; Sumaryo, Sony; Susanti , Hesty
eProceedings of Engineering Vol. 11 No. 4 (2024): Agustus 2024
Publisher : eProceedings of Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Hama adalah salah satu permasalahan yang sering dihadapi oleh manusia karena sifatnya yang merusak dan merugikan. Kerusakan yang disebabkan hama ini bermacam-macam, mulai dari kerusakan tanaman secara langsung karena dimakan oleh hama hingga kerusakan tanaman secara tidak langsung karena penyakit yang ditularkan oleh hama kepada tanaman. Masalah hama ini tentunya telah berusaha ditangani oleh para petani dengan cara-cara tradisional. Selain penanganan oleh para petani secara tradisional, beberapa pihak juga telah melakukan penelitian mengenai metode untuk menangani masalah hama yang menggunakan elektronika dalam penerapannya. Berdasarkan permasalahan yang ada, yaitu hama dan bercermin dari penelitian-penelitian terkait, maka akan dirancang alat pendeteksi dan pengusir hama belalang yang mengimplementasikan gelombang ultrasonik. Sistem pendeteksian terdiri dari rangkaian sensor. Rangkaian pembangkit frekuensi akan digunakan untuk membangkitkan gelombang ultrasonik dan tweeter sebagai aktuator akan memancarkan gelombang ultrasonik. Selain itu, akan ditambahkan fitur pada alat ini yang penulis amati belum ada di penelitian sebelumnya adalah data frekuensi Multivibrator Astabil yang dapat ditampilkan pada LCD untuk dilihat oleh pengguna. Hasil dari penelitian berupa alat pendeteksi dan pengusir hama berdimensi 21×14,5×10 cm. Sistem pendeteksian pada alat berjalan dengan sangat baik, dimana sensor HC-SR04 memiliki akurasi sebesar 99,989% dan sensor MAX4466 memiliki akurasi sebesar 99,995%. Selain itu, pembacaan Multivibrator Astabil yang dibaca oleh Arduino Uno dan ditampilkan oleh LCD memiliki akurasi sebesar 99,995%. Setelah alat ini diuji dengan objek berupa belalang, diketahui bahwa belalang bereaksi pada frekuensi ultrasonik dengan reaksi paling terlihat pada frekuensi 30-40 kHz. Kata kunci : Belalang, Gelombang Ultrasonik, Multivibrator Astabil, HC-SR04, MAX4466, Tweeter, IC 555
Estimation of Blood Glucose Levels Using a Non- Invasive Infrared-Based Optical Sensor: A Pilot Study Mukhtar, Husneni; Zaelani, Muhammad Mugni; Nasrullah, Muhammad Rafy; Susanti, Hesty
Engineering Science Letter Vol. 4 No. 02 (2025): Engineering Science Letter
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/IISTR.esl.001218

Abstract

Blood glucose measurement is critical to diabetes management and prevents chronic complications such as neuropathy, nephropathy, and retinopathy. However, current methods are invasive, uncomfortable, and costly. Although several non-invasive approaches have been explored, no commercially available device offers a simple, affordable, and user-friendly solution for non-invasive blood glucose estimation, particularly one suitable for self-measurement outside clinical settings. This underscores the need for practical and inclusive alternatives. This study aimed to develop and evaluate a blood glucose estimation device using infrared LEDs to measure light transmittance through the fingertip. The research was conducted in two stages: initial testing using glucose solutions with varying concentrations (0.02, 0.06, 0.10, and 0.20 g/ml) and added red dye (0.05, 0.10, and 0.15 ml) to validate the sensor's response, followed by direct validation on human fingers against commercial blood glucose test strip readings. The results showed a strong positive correlation between sensor output and glucose levels, with a Pearson correlation coefficient of r = 0.995. Using a regression-based calibration model, the system achieved a mean absolute error (MAE) of 1.63 mg/dL, and a root mean square error (RMSE) of 1.72 mg/dL. Cross-validation, such as Bland-Altman analysis and Clarke Error Grid, was conducted to verify model robustness. These preliminary results suggest that the developed system holds strong potential as a simple, affordable, and non-invasive tool for blood glucose self-monitoring, especially in resource-limited settings. However, further validation on larger, more diverse populations is necessary.
Co-Authors Achmad Rizal Andika , Evan Enggana Aziz, Burhanuddin Bambang Setia Nugroho Deddy Kurniadi Dien Rahmawati Diena Yudiarti Eka Afrima Sari, Eka Afrima Eko Mursito Budi Fikri Ardian GERALDI, ARIK Harinto Nur Seha Helma Devina Husneni Mukhtar Istiqomah Jessica Jessica Joko Santoso Kusnahadi Susanto Muhammad Arik Geraldy Fauzi Nadia Husnul Nasrullah, Muhammad Rafy Nicola Akmal Afrinaldi Sheizi Prista Sari Sony Sumaryo SUDIYONO, OOY ARIE Suprijanto Suprijanto Suprijanto Suprijanto Suryo Adhi Wibowo Suto Setiyadi Teuku Zulkarnain Muttaqien Wahmisari Priharti Willy Anugrah Cahyadi Yoga Pujiraharjo Zaelani, Muhammad Mugni