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All Journal Jurnal Dampak Jurnal Elektronika dan Telekomunikasi Jurnal ULTIMA Computing Journal of Robotics and Control (JRC)
Ekawati, Estiyanti
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Aerospace Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Environmental Science Mechanical Engineering

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Journal : Jurnal ULTIMA Computing

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Trajectory Planning of Spherical Pendulum Pattern for Application in Creating Batik Patterns Putri, Indah Radityo; Ekawati, Estiyanti; Budi, Eko Mursito; Juwandana, Alfisena; Mulyawan, Naufan Aurezan; Kho, Philip Inarta; Kudiya, Komarudin
Ultima Computing : Jurnal Sistem Komputer Vol 15 No 2 (2023): Ultima Computing : Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/sk.v15i2.3425

Abstract

Batik Pendulum is a new batik pattern created by Rumah Batik Komar using a single-string pendulum filled with wax. However, current production is still manual, so it is impossible to re-manufacture in large quantities. This research is part of a machine and software development project to produce Batik Pendulum, where this research will only focus on software development. The designed software will have a spherical pendulum trajectory planning feature through parameter changes. The spherical pendulum path was chosen because it has the same pattern as the currently produced Batik Pendulum. In planning the spherical pendulum trajectory, an algorithm that receives input in the form of parameters to produce a spherical pendulum pattern has been designed. From these inputs, it is proven that the proposed parameters can provide a variety of spherical pendulum patterns. Implementing the spherical pendulum trajectory planning in the software shows that the time required to change parameters until the output trajectory is generated is 1 – 2 seconds. So, there is no need for any feedback to the user.
Gross Error Detection and Data Correction in IIoT-Based Data Center Cooling System Hamid, Abdul; Budi, Eko Mursito; Ekawati, Estiyanti
Ultima Computing : Jurnal Sistem Komputer Vol 16 No 1 (2024): Ultima Computing : Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/sk.v16i1.3695

Abstract

A data center always require a proper cooling system. This research study a data center with water based cooling system that consists of two chillers and two in-rack coolers. To control the system, an Industrial Internet of Things (IIoT) infrastructures has been deployed. It able to monitors real-time data from various sensors such as temperature (T), pressure (P), water flow (Q). The data were supposed to be used for optimization. However, early assessment showed that there were discrepancies between the sensors. Therefore, data reconciliation method is essential to get the valid data from the sensors. This paper discusses the implementation of gross error detection and correction by using least square method and bias compensation.
Co-Authors Abdul Hamid Argiliana, Shania Bahiuddin, Irfan Bambang Sunendar Purwasasmita, Bambang Sunendar Boudaoud, Mohammed Cahya, Dito Eka Cahya, Zaid Diyah, Nazuwatussya’ Eko Mursito Budi Juwandana, Alfisena Kho, Philip Inarta Komarudin Kudiya, Komarudin Mukhlish, Faqihza Mulyawan, Naufan Aurezan Nugraha, Ashari Budi Nugroho, Tsani Hendro Parsaulian Siregar Putri, Indah Radityo Ratuannisa, Tyar Taufiqurrohman, Heru Yulia, Elfi