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All Journal JMECS (Journal of Measurements, Electronics, Communications, and Systems) Metris: Jurnal Sains dan Teknologi
Andre Suwardana Adiwidya
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Analysis of Spatio-temporal PM2.5 and CO2 Concentrations Distribution with PSCF in the Greater Bandung Air Basin Andre Suwardana Adiwidya; Reza Mochamad Aziz; Muhammad Beno Afryan; Tania Christiana Alexandra; Mario Gilang Permadi; Nur Rawdotul Jannah; Dini Rizqi Amalia; Nur Putri Megalia Sopian; Vivian Lee; Rahmat Awaludin Salam; Indra Chandra
JMECS (Journal of Measurements, Electronics, Communications, and Systems) Vol 10 No 1 (2023): JMECS
Publisher : Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jmecs.v10i1.6003

Abstract

The limitations of expensive main monitoring stations can be addressed by using low-cost sensor-based measuring stations. A low-cost sensor-based air quality monitoring system has been implemented in Telkom University, BRIN Pasteur, and BRIN Taman Sari areas to measure PM2.5 and CO2 concentration in Bandung vertically and horizontally. Vertically, the CO2 concentration at the highest measuring station is indirectly affected by local activities. However, PM2.5 concentration is still influenced by local actions. Horizontally, using the independent T-test and ANOVA, PM2.5 concentrations tended to be homogeneous regarding the significance values in the four periods, namely 0.916, 0.03, 0.727, and 0.047. Meanwhile, the concentration of CO2 at each station tends to be heterogeneous along significance values of 0.646, 0.03, 0.02, and 0.01. The vertical and horizontal analysis shows that CO2 concentrations tend to be heterogeneous due to differences in altitude and spatial characteristics of the measurement sites. Meanwhile, PM2.5 tends to be more homogeneous by having the same pattern at different heights and spatial locations. The long-distance potential sources of PM2.5 are estimated to come from the Indian Ocean and Cirebon region because they have the highest PSCF and CWT values, 0.5-0.7 and 55-65 µg/m3.
Measurement of Motor Vehicle Emissions Based on Low-cost Sensors Michelle Kurniawan; Sopaheluwakan Alesandro Ardiles; Andre Suwardana Adiwidya; Annisa Zahwatul Ummi; Maulana Fauzan Athalla Halinda; Indah Cikal Al Gyfary Okthaviany; Deni Ali Marwan Gajah; Putri Naila Alyana Hidayat; Irvin Judah Lalintia; Prichel Adisatya Kampong; Rahmat Awaludin Salam; Indra Chandra
JMECS (Journal of Measurements, Electronics, Communications, and Systems) In Press Papers
Publisher : Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jmecs.v10i2.6002

Abstract

One of the problems that occur in Indonesia is air pollution caused by the high intensity of citizen activity, especially most of which still use fossil-fueled motor vehicles to carry out their activities. The fossil fuel that is not burned perfectly can cause gas and particle pollution to form which can cause its amount to increase in the air and affect the environment. Therefore, measurement of motor vehicle emission tests based on low-cost sensors is conducted with CO, CO2, NO2, PM2.5, temperature, and humidity as its parameters. The usage of flow rate is addressed to the flow of the emission gas, which will be measured from an exhaust of a motor vehicle into the testing chamber and forwarded into the air for disposal. The flow rate used in this test ranges from 12-15 lpm. For that reason, the author performed the test for 10 minutes and got the average results of the measured parameters. The results are 1200 ppm for CO, 140000 ppm for CO2, and 80 °C for temperature (the show results are the average of the test results). The results shown are due to the small range of the low-cost sensor resulting in a huge difference.
Automatic Patient Injection Robot With 6 Degrees of Freedom by 3D Simulation Using Webots Software Ramadhan, Ardiansyah; Wijaya, Andre Suwardana; Achdan, Fikri
Metris: Jurnal Sains dan Teknologi Vol. 25 No. 01 (2024): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v25i01.4326

Abstract

The manipulator robot is one of the most widely used robots in the industry. The movement of the robot manipulator in this sector is a mechanical system that requires a mathematical modeling method to represent its geometric aspects and manipulate its dynamic parts. One of the most critical industries is healthcare. In this paper, a simulation is carried out on one of the factors, namely patient injection. The research results from this simulation used Webots software and was successfully simulated using a 6-degree-of-freedom robot. The positions simulated in several movements include: gripper position opens to take the needle, gripper closes to take the needle, the needle is held and directed to the patient, the needle is inserted into the patient area and pulled out again, returning to its initial position by placing the needle. However, this simulation does not add a needle so that only the 3D simulated robot movement can move by entering the expected position value to inject the patient according to the target.
Co-Authors Achdan, Fikri Annisa Zahwatul Ummi Deni Ali Marwan Gajah Dini Rizqi Amalia Indah Cikal Al Gyfary Okthaviany Indra Chandra Irvin Judah Lalintia Mario Gilang Permadi Maulana Fauzan Athalla Halinda Michelle Kurniawan Muhammad Beno Afryan Nur Putri Megalia Sopian Nur Rawdotul Jannah Prichel Adisatya Kampong Putri Naila Alyana Hidayat Rahmat Awaludin Salam Ramadhan, Ardiansyah Reza Mochamad Aziz Sopaheluwakan Alesandro Ardiles Tania Christiana Alexandra Vivian Lee