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All Journal Jurnal Teknik Mesin CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry) Seminar Nasional Teknik Kimia Kejuangan SULUH: Jurnal Abdimas Jurnal Abdimas Madani dan Lestari (JAMALI) Agro Bali: Agricultural Journal INTEGRITAS : Jurnal Pengabdian ASAWIKA: Media Sosialisasi Abdimas Widya Karya Jurnal Abdi Insani Buletin Profesi Insinyur Academia Open Jurnal Teknik Kimia Indonesia Peka: Jurnal Pengabdian Kepada Masyarakat SENAPAS Widya Teknik
Adriana Anteng Anggorowati
Program Studi Teknik Kimia, Fakultas Teknik, Universitas Katolik Widya Mandala Surabaya
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Teknologi Tepat Guna Mesin Pencuci Porang untuk Meningkatkan Produktivitas Petani Porang di Desa Morang, Kare, Madiun: Indonesia Irawaty, Wenny; Hadi; Wijaya, Christian Julius; Indrawati, Chatarina Dian; Anggorowati, Adriana Anteng; Soetaredjo, Felycia Edi; Santoso, Shella Permatasari; Ismadji, Suryadi; Yuliana, Maria; Ernest, Edward H; Wardhani, Rinda; Afendi, Yulius; Panjaitan, Imelda
Jurnal Abdimas Madani dan Lestari (JAMALI) Volume 06, Issue 01, Maret 2024
Publisher : UII

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jamali.vol6.iss1.art9

Abstract

Recently, the productivity of porang tuber-based products has been growing well, especially after the Indonesian Government released a policy to prohibit the export of porang plants and their harvested products. One of the porang-based products is in the form of chips. Before processing, the porang tubers must be washed thoroughly to remove soil/dirt from the surface. The conventional washing process of each tuber can take up to 3-5 minutes. Therefore, the purpose of this activity is to design and manufacture porang washing equipment based on centrifuge washing model with rubber vibration. Four stages to carried out the program, i.e. designed and manufactured the washing machine, run the machine in laboratory, training activities to the porang farmers, and evaluation process. From the observation to porang farmers as our partner during the activity, it can be seen that the partners can operate the washing machine well. The results show that the washing process of porang tuber using this technology can save the washing time up to 90% compared to the conventional washing. The surface cleanliness of porang tubers resulted from the developed washing machine is the same as the conventional one. The noise level of the machine has met the requirement of Indonesian Government. It is clear that the usage of  the machine can increase the production capacity of products-based porang tuber. In addition, the use of this technology may promote a more comfortable and healthy work environment due to ergonomic reason, however, based on RULA analysis, the machine is still need to be improved in the future. Overall, the partners were satisfied with this activity and expected to have further programs in the future.
PENDAMPINGAN PENYUSUNAN MODEL BISNIS CANVAS PADA UNIT BISNIS PAKAN TERNAK BUMDES DHARMA PITALOKA DESA CURAH COTTOK SITUBONDO Rachmawati, Dyna; Joewono, Andrew; Anggorowati, Adriana Anteng
Jurnal Abdi Insani Vol 11 No 2 (2024): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v11i2.1534

Abstract

BUMDes Dharma Pitaloka is a business entity owned by Curah Cottok village, Kapongan District, Situbondo Regency. Since the Covid-19 pandemic, BUMDes income has decreased from both transportation and educational tourism businesses called Cottok Innovations Park (CIP). This encouraged the management of BUMDes Dharma Pitaloka to diversify its business by establishing a new business unit, namely animal feed. This animal feed has as its main raw material shrimp heads which are waste from a shrimp export company located near the village of Curah Cottok. The aim of this activity to prepare for the establishment of this animal feed business unit at BUMDes Dharma Pitaloka. Preparing a business plan is one aspect that must be prepared by the animal feed business unit. The implementation method is mentoring carried out in 2 ways, namely: tutorials and independent activities. The tutorial was carried out using a zoom meeting and video tutorial on filling out the business model canvas. The independent activity is the preparation of a business plan using a canvas model by 2 BUMDes administrators. This mentoring activity produces an output, namely a business plan for the animal feed business unit. This canvas model business plan is apparently easy to understand for BUMDes administrators who will be in charge of the animal feed business unit. This concludes that this mentoring activity is quite effective because it can produce output. This canvas model business plan will be used by the management of BUMDes Dharma Pitaloka in carrying out operational activities of the poultry feed business unit.
Optimization of DC Motor PID Control Using the Ziegler–Nichols Method with Encoder and Op-Amp (Lm324): Optimasi Kontrol PID Motor DC Menggunakan Metode Ziegler–Nichols Dengan Encoder Dan Op-Amp (Lm324) Syahrorini, Syamsudduha; Akmaludin, Mohammad; Mubarok, Mohammad Syahrul; Anggorowati, Adriana Anteng
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.12875

Abstract

Design and optimization of PID controller for Arduino Uno-based DC motor with encoder feedback and signal conditioning using LM324 op-amp. The method used is Ziegler–Nichols (ZN) to obtain the initial parameters Kp, Ki, and Kd from the measurement of ultimate gain (Ku) and oscillation period (Pu). The plant model uses a digital implementation of a DC motor including anti-windup, first-order filtered derivatives, and PWM voltage limiting. The test data in the form of step response, disturbance rejection, and sensitivity to noise are analyzed using rise time, overshoot, settling time, IAE, and ISE indicators. The analysis results of Ku≈11.3 and Pu≈0.3 s produce Kp≈6.80, Ki≈45.31, Kd≈0.25, with fast response and acceptable overshoot; fine-tuning reduces oscillation and accelerates steady-state time. The conclusion is that the LM324 encoder improves feedback accuracy, while ZN is effective as a starting point for tuning for stable and robust performance. Highlights: Accurate tuning using Ziegler–Nichols method provides effective initial PID parameters. LM324 signal conditioning enhances encoder feedback precision. Optimized response achieves fast rise time with minimal overshoot and stable steady-state. Keywords: PID, Ziegler–Nichols, motor DC, encoder, LM324
Analysis of a Single-Phase Transformer Protection Control System Using a Microcontroller: Analisis Sistem Kontrol Proteksi Transformator Satu Fase Menggunakan Mikrokontroler R.S., Dwi Hadidjaja; Anggorowati, Adriana Anteng; U.N, Dewi Handayani
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.12990

Abstract

General Background: Single-phase distribution transformers frequently experience overcurrent, overvoltage, and thermal stress, which account for a significant portion of operational failures in low-voltage networks. Specific Background: Conventional thermal–electromechanical relays exhibit slow response times (150–300 ms) and lack real-time multi-parameter monitoring, limiting their ability to prevent insulation degradation under rapidly fluctuating loads. Knowledge Gap: Prior microcontroller-based protection studies rarely provide quantitative benchmarking against conventional relays, lack integrated current–voltage–temperature sensing, and often omit controlled fault-injection experiments for latency validation. Aims: This study aims to develop and evaluate a microcontroller-based protection system using calibrated ACS712, ZMPT101B, and NTC sensors with real-time decision logic to reduce fault-detection latency and improve protection reliability. Results: Experimental testing on single-phase transformer fault-injection scenarios demonstrated detection latencies of 84 ms (overcurrent), 96 ms (overvoltage), and 112 ms (thermal), with sensor errors below 2.4%, a 98.1% trip success rate, and only 1.3% false positives across 50 cycles. Novelty: The system integrates low-error multi-parameter sensing with sub-120-ms response and provides the first quantitative benchmark showing performance improvements over conventional relays. Implications: Findings confirm that optimized low-cost microcontroller platforms can serve as scalable, accurate, and time-efficient protection solutions for distribution transformers, supporting future development of intelligent protection systems. Highlights: Sub-120 ms fault-detection latency significantly outperforms conventional relays. Multi-parameter sensing (current–voltage–temperature) enhances reliability and reduces missed trips. Low-cost microcontroller platform provides a scalable and accurate protection alternative for distribution systems. Keywords: Fault Detection, Microcontroller-Based Protection, Thermal Monitoring, Transformer Protection System, Overcurrent–Overvoltage
Component Tolerance and Performance of 2-Way Passive Crossovers: Toleransi Komponen dan Kinerja Penyeberang Pasif Dua Arah Ahfas, Akhmad; Anggorowati, Adriana Anteng; R.S., Dwi Hadidjaja
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.12997

Abstract

General Background: Passive 2-way crossover filters play a crucial role in dividing audio signals between woofer and tweeter channels, where their performance is highly dependent on the precision of passive components. Specific Background: Variations in capacitor and inductor values, along with their tolerances, can significantly alter crossover frequency, phase characteristics, and harmonic distortion, yet these effects are not fully quantified in practical implementations. Knowledge Gap: Limited studies provide an integrated empirical–analytical assessment of how component deviations influence frequency response, THD, and impedance stability in real passive 2-way filters. Aims: This study evaluates the influence of component tolerances on crossover frequency accuracy, filter slope behavior, phase stability, and distortion performance. Results: Experimental findings show that ±10–15% component deviations shift crossover frequency by 7.1–8.5%, reduce filter slope by 2.1–3.2 dB/octave, increase THD from 0.8% to 3.2% at 10W, and induce impedance fluctuations that shift the crossover point by an additional 3.2%. Inductors exhibit higher sensitivity (0.72–0.78) than capacitors (0.45–0.52). Novelty: This study provides a combined simulation–measurement analysis linking component tolerance to measurable acoustic deviations. Implications: The results highlight the need for ≤5% tolerance components and pre-assembly verification to ensure stable crossover performance. Highlights: Component tolerances significantly shift crossover frequency and reduce filter accuracy. Inductors have a stronger impact on system performance than capacitors. Using ≤5% tolerance components improves stability, distortion, and overall audio quality. Keywords: Passive Crossover Filter, Component Tolerance, Crossover Frequency Shift, Total Harmonic Distortion, Impedance Stability
Co-Authors Afendi, Yulius Afifah, Risdiana Cholifatul Ahmad Ahfas Akmaludin, Mohammad Andrew Joewono Andrew Joewono Andrew Joewono, Andrew Androva, Althesa Angka, Peter Rhatodirdjo Ayuningtyas, Debora Chatarina Dian Indrawati Dany Wibowo Diyah Tulipa Dyna Rachmawati Ernest, Edward H Ery Susiany Retnoningtyas Felycia Edi Soetaredjo Gatut Phengkusaksomo Gunarto, Chintya Hadi Husna, Muhammad Qiqi Abai Ibnu Toto Husodo, Ibnu Toto Ikhwanudin, Ikhwanudin Ikhwanudin Imelda Panjaitan Ivan Gunawan Ivy Yuanita Juanda, Kevina Tomiko Juliana Anggono Laiman, Sean Jonathan Lestariningsih, Diana Lorensius Anang Setiyo Waloyo Lourentius, Suratno Ma'mun, Hisyam Malehere, Mario Marvin Putra Mubarok, Mohammad Syahrul Murdiyanto, Danang Palit, Wilthy Clinton Freinadementz Pranjoto, Hartono Putro, Jindrayani Nyoo R.S., Dwi Hadidjaja Rachman, Riza Rahmawati, Dyna Robik Anwar Dani Santoso, Shella Permatasari Silviyanti, Nurul Amalia Sitepu, Rasional Soejono Tjitro Suhesti, Endang Suratno Lourentius Suryadi Ismadji Suryadi Ismadji Suseno, Thomas Putut Indarto Syahrorini, Syamsudduha Theodorus Sandy Fangidae Thomas Indarto Putut Suseno Thomas Morus Papo Bage U.N, Dewi Handayani Velma Nindita, Velma Wardhani, Rinda Wenny Irawaty Wijaya, Christian Julius Yohanes Sudaryanto Yuliana, Maria