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Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer
Published by Asosiasi Riset Teknik Elektro Dan Informatika Indonesia
ISSN : 30318750     EISSN : 30318742     DOI : 10.61132
Core Subject : Science,
Computer Science & IT
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer memuat naskah hasil-hasil penelitian di bidang Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 299 Documents
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Rancang Bangun Aplikasi E-Commerce untuk UMKM Konveksi Ahmad Satriadi; Supriyatna Supriyatna
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 3 (2024): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i3.153

Abstract

This research presents the development of an e-commerce application aimed at enhancing the operational efficiency of Khadijah Konveksi, a small and medium-sized enterprise (SME) in the garment industry. The application, developed using Android, Java, and Kotlin, provides features for order management, real-time tracking, and online payment, significantly improving customer experience and operational workflow. Initial feedback indicates a high level of customer satisfaction and a notable increase in operational efficiency. The project also highlights the collaborative efforts between students, faculty, and industry professionals, demonstrating the impact of academic-industry partnerships in driving technological advancements for SMEs
Simulasi Metode Monte Carlo Untuk Memprediksi Jumlah Kunjungan Pasien Puskesmas Batang Kuis Sindy Fitriani Margaret Sihaloho
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 3 (2024): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i3.160

Abstract

Community Health Centers (Puskesmas) are the main place for the public to get basic health services. In certain conditions, the Health Center will receive visits from patients who arrive with the same number of origins at the same time. This has an impact on health services experiencing a decline and not maximizing the health of health workers in checking patients' health. So, comprehensive services are not obtained, and there are even patients who queue for too long. In order to minimize this occurrence, simulations are carried out to predict the number of possible visits that will occur in the future. The method used in this study is Monte Carlo. This research is intended so that the information provided by the Health Center related to the prediction of the number of patient visits that are likely to occur in the next year or in the future can be done validly and accurately. The data used is data on the number of patient visits in 2021, 2022, and 2023. As a result of this study, a prediction of the number of patient visits was obtained so that the Health Center could implement the next action that was useful for improving the quality of services needed
Analisa Pengaruh Oversize Piston pada Mesin Sepeda Motor Tipe Beat Karbu 110 cc dan Vario Karbu 110 cc Eko Aprianto Nugroho; Abdul Muchlis
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 3 (2024): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i3.170

Abstract

Oversize berguna untuk meningkatkan performa kinerja mesin pada motor.Tujuan dari penelitian ini adalah untuk mengetahui perbandingan nilai uji kompresi, torsi, dan performa mesin sepeda motor Vario dan Beat dengan perpindahan antara 110 cm3 dan 115 cm3. Oleh karena itu, digunakan metode oversizing dengan mengganti piston mesin sepeda motor Beat dan Vario untuk membandingkan nilai uji kompresi, torsi, dan tenaga. Nilai kompresi yang dihasilkan mesin sepeda motor Beat dan Vario 110 cm 3 sebelum oversize menjadi 115 cm 3 adalah 9,2: 1. Hasil nilai kompresi mesin sepeda motor Beat dan Vario 110 cm 3 dan Beat 110 cm 3 setelah oversizing menjadi 115 cm 3 12. 06 : 1. Dicapai pada mesin sepeda motor tipe Beat sebelum oversizing menjadi 115 cm 3 Nilai torsi sebesar 16,37 Nm , yang turun menjadi 14,65 Nm setelah oversize. Nilai torsi yang dicapai mesin sepeda motor Vario sebelum ditingkatkan menjadi 115 cm3 adalah 15,28 Nm, sedangkan setelah ditingkatkan hasilnya meningkat menjadi 16,78 Nm. Hasil nilai performa mesin sepeda motor Vario sebelum oversizing menjadi 115 cc menunjukkan nilai horsepower sebesar 6,9 hp pada 4547 rpm, meningkat menjadi 7,1 hp pada 4575 rpm setelah oversizing. Nilai performa mesin sepeda motor tipe Beat sebelum oversizing menjadi 115cm3 menunjukkan nilai horsepower sebesar 7,2 hp pada 3686 rpm, meningkat menjadi 7,6 hp pada 5852 rpm setelah oversizing.
Validasi Akurasi Pengukuran Terhadap Benda Menggunakan Sensor Ultrasonik Berbasis NodeMCU 8266 Revaldy Alexandra Putra; Galang Akbar Fatoni; Muhammad Hanif Rifai; Erdin Wildan Ahsani; Rafli Devano Danendra
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 3 (2024): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i3.187

Abstract

Pengukuran jarak yang akurat merupakan komponen kunci dalam berbagai aplikasi teknologi termasuk robotika, sistem keselamatan, dan kontrol industri. Penelitian ini bertujuan untuk mengevaluasi keakuratan pengukuran jarak benda menggunakan sensor ultrasonik HC-SR04 yang dikendalikan oleh mikrokontroler NodeMCU ESP8266. NodeMCU ESP8266 dipilih karena integrasi Wi-Fi yang memungkinkan data dikirim secara nirkabel ke server untuk analisis lebih lanjut. Metode penelitian ini meliputi pengujian sensor ultrasonik pada berbagai jarak dan kondisi lingkungan untuk mengetahui keakuratan dan konsistensi hasil pengukuran. Hasil pengujian menunjukkan bahwa akurasi sensor ultrasonik menurun seiring dengan bertambahnya jarak pengukuran. Selain itu, kondisi lingkungan seperti suhu, kelembaban, dan permukaan benda juga mempengaruhi keakuratan pengukuran. Oleh karena itu, diperlukan kalibrasi tambahan untuk memastikan ketepatan pengukuran dalam kondisi lingkungan yang bervariasi. Penelitian ini menyimpulkan bahwa sensor ultrasonik berbasis NodeMCU 8266 dapat digunakan sebagai solusi yang efektif untuk aplikasi pengukuran jarak, namun kalibrasi dan penyesuaian diperlukan untuk menjamin keakuratan data pada berbagai kondisi. Hasil ini memberikan kontribusi penting terhadap pengembangan sistem otomasi yang lebih cerdas dan responsif.
Aplikasi Pengolahan Citra Untuk Peningkatan Deteksi Tepi Melalui Segmentasi Citra Latifa Khoirani; Rino Ariansyah; Supiyandi Supiyandi
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 3 (2024): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i3.191

Abstract

An important digital image processing is image segmentation, which separates objects from the background for further analysis. One segmentation technique is edge detection, which looks for boundaries between areas of different brightness. This article compares four edge detection methods: Roberts, Prewitt, Sobel, and Canny. The results show that, despite requiring more complex computations, Canny's method produces the sharpest and best connected edges; Sobel and Prewitt's method, on the other hand, is faster and simpler than Roberts' method, but is less effective in dealing with noise and often produces edges that are not connected to the plane. The choice of edge detection method depends on the application. Sobel and Prewitt are good for speed and stability, and Roberts is suitable for fast processing of images with minimal noise.
Analisis Standar Penerangan pada Gedung IDB Laboratory FMIPA UNESA Berbasis Visual Basic 6.0 Muhammad Syafruddin Nur; Subuh Isnur Haryudo; Puput Wanarti Rusimamto; Raden Roro Hapsari Peni Agustin Tjahyaningtijas
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 4 (2024): Agustus: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i4.216

Abstract

Lighting is a major requirement in human life to be able to see objects around clearly, lighting is obtained from natural light sources and artificial light sources. The IDB laboratory building of the FMIPA UNESA has many rooms with different functions and uses, so the lighting of each room must be adjusted to the Indonesian National Standard (SNI 03-6575-2001). Therefore, a program is needed to analyze and determine the number of lights used quickly and accurately in order to achieve safe and comfortable lighting according to (SNI 03-6575-2001). In this case the method used is to use the calculation of the visual basic 6.0 program by inputting the dimensions of each room, namely length, width, height, and the type of artificial lighting used. Based on the results of the calculation of the lighting standards of the IDB building using the visual basic 6.0 program, it is known that only the prayer room on the 1st floor, the microscope room on the 2nd floor, the warehouse on the 1st, 2nd, 3rd and 4th floors and the microteaching room on the 2nd, 3rd and 4th floors meet SNI 03-6575-2001. Whereas for other rooms such as libraries and laboratories cannot meet SNI 03-6575-2001 so that action needs to be taken so that they can meet the standards, namely by increasing the number of lighting points in each room, or it can also be by replacing the type of lighting with a larger lumen value than before.
Analisis Peramalan Permintaan dalam Memaksimalkan Manajemen Rantai Pasok Menggunakan Metode Moving Average Aladdin Hidayatullah Jurjani; Amin Yazid Achmad; Heru Andi Pratama; Aloysius Tommy Hendrawan
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 4 (2024): Agustus: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i4.222

Abstract

Forecasting demand for screen-printed clothing products at the UMKM "D'mitz Screen Printing" in Sobrah Village, Wungu District, Madiun Regency helps with production control planning to maximize supply chain management for screen-printed clothing products. To predict future product demand, it is very important for UMKM to forecast market demand. Forecasting future demand is very important to avoid sales prediction errors that can cause waste, such as increased production costs due to sales predictions being too large, or stock outs due to sales predictions being too small, which results in customers having to wait longer to get the goods they want. Based on this problem, the UMKM "D'mitz Screen Printing" carried out a demand forecasting analysis for screen printed clothing with the aim of reducing waste and maximizing value. Forecasting demand for screen printed clothing for the next five months using time series analysis and moving average methods. Forecasting results for the period March 2022 to February 2023 show sequential forecasting values of 3266.67; 3300; 3250; 3283.33; 3233.33; 3316.67; 3333.33; 3372.22; 3305.56; and 3272.22. From the Mean Absolute Error (MAE) and Mean Square Error (MSE) calculations that have been carried out, the MAE value is 94.44 and the MSE value is 16018.593.
Kajian Teknis Kebutuhan Genset sebagai Sumber Energi Cadangan di UNTAG Surabaya Junico Dwi Yussarianto; Giovanni Dimas Prenata
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 4 (2024): Agustus: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i4.225

Abstract

To fulfil the needs of electricity, UNTAG Surabaya Building uses electrical energy derived from PLN. But, the provision of electrical energy from PLN unable to constantly supply electrical energy without interruption. So, to overcome it, it’s obligatory to have an electrical energy back-up system in the form of a Genset so electrical energy for building needs is preserved. The Genset works automatically, so when PLN's electrical energy goes out, the generator will immediately work. Conversely, if PLN's electrical energy back to normal, the generator will stop working. Because the electrical energy back-up system at UNTAG Surabaya has been working for really long, it’s obligatory to evaluate also re-analyze the generator back-up system. The analysis is carried out by performing calculations assisted by the ETAP simulation program. For generator efficiency, it is still quite good, which is only 68.25%., because the generator only supplies loads that are an urgent priority. From the simulation results, the load must be provide by the generator is 273.04kW/341.3kVA and the generator capacity used is 400kW/500kVA. In that case, the performance of the genset is still within the limits of its capabilities.
Analisis Pengaruh Rasio Kompresi Dan Persentase Etanol Pada Bahan Bakar Terhadap Kinerja Mesin Otto 4 Langkah Faizal Akbar; Santoso Santoso
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 4 (2024): Agustus: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i4.229

Abstract

The public demand for better vehicle performance is increasing. Increasing the compression ratio and fuel octane is one solution to improve vehicle performance. This study aims to determine the effect of increasing the compression ratio and ethanol mixture in fuel on the power and torque of the 125 cc Otto engine. The method used is an experiment using a dynotest. The compression ratio was varied to 8.9, 9.2, and 9.6, with ethanol mixtures of 5%, 10%, and 15%. The test data were analyzed using the two-way ANOVA method. The results showed that increasing the compression ratio and ethanol mixture can increase engine power and torque. The highest peak power and torque occurred at a compression ratio of 9.6 with 15% ethanol, which was 6.11 kW and 10.23 N.m. A compression ratio of 9.2 produces 6.07 kW of power and 10.07 N.m of torque at 15% ethanol. A compression ratio of 8.9 produces 5.62 kW of power at 15% ethanol and 9.73 N.m of torque at 10% ethanol.
Pelanggaran Etika dalam Proyek Pembangunan Dermaga di Pantai Mutiara, Jakarta Utara Danang Dwi Sukmo Aji; Edison H Manurung
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 4 (2024): Agustus: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i4.230

Abstract

Infrastructure development in urban areas is often faced with various challenges, including ethical issues. The jetty construction project at Pantai Mutiara in Block SB Number 15 A, North Jakarta, is one prominent example in this regard. The jetty, designed to support maritime and tourism activities, has, since its inception, presented a range of issues related to ethical violations. These include manipulation of permits, misuse of funds, disregard for environmental impacts, and exploitation of labour. The ethical violations in this project not only harmed the environment and surrounding communities, but also undermined public trust in the government and related agencies. This case shows how important integrity, transparency and responsibility are in every stage of development. Through this study, we will take an in-depth look at the various aspects of the ethical violations that occurred in the jetty construction project at Pantai Mutiara, including the causes, impacts, and efforts that can be made to prevent similar occurrences in the future. By identifying and understanding the ethical breaches that occurred, it is hoped that valuable lessons can be learnt that can be applied to other development projects in Indonesia. Ultimately, the aim of this paper is to provide constructive recommendations to improve the planning and implementation process of infrastructure projects, so as to achieve a balance between development progress and the ethical principles that must be upheld.

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