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THE TORQUE TEST SPECIMENS ANALYSIS USING FINITE ELEMENT ANALYSIS Riyadi, Slamet; Setiawan, Tia; Koswara, Engkos
Jurnal Mekanika dan Manufaktur Vol 1 No 2 (2022)
Publisher : Universitas Majalengka

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The industrial component of industrial equipment is required to have good quality. The elementsor components of a tool must be light but have strong and corrosion-resistant alloys. Testing ofthe materials to be used must be appropriate and in accordance with the needs. There are severalways, one of which is by using a torque testing machine and Finite Element Analysis (FEA). FiniteElement Method (FEM) or commonly called Finite Element Analysis (FEA), is a numericalprocedure that can be used to solve certain engineering problems. Modeling torsion test objectsusing the FEM with a moment 598.0635 N mm, - 598.0635 N mm with respect to vector Xcounterclockwise. The material used is ASTM A 36 with a mass of 0.0163569 kg and a volume of2083.94 mm^3, torsion test analysis using finite element-based software. Based on thesimulation results, it can be seen that the largest stress (maximum stress) occurs in the XZ vectorwith a value of 10.4783 MPa, while the smallest stress (minimum stress) occurs towards the YZvector with a value of 0.15986 MPa. The largest strain (maximum strain) occurred in vector XZwith a value of 0.000068123 ul, while the smallest strain (minimum strain) occurred in vector XXwith a value of 0.00000107672 ul. The safety factor obtained is 0.71, meaning that the value isless than equal to 1 which indicates that the test object is unable to accept the given load.

Evaluation of risk management for optimizing service quality in XYZ regional general hospital Setiawan, Tia; Wijayati, Nureni
International Journal of Financial, Accounting, and Management Vol. 6 No. 2 (2024): September
Publisher : Goodwood Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/ijfam.v6i2.2185

Purpose: The study aims to evaluate the implementation of risk management at XYZ Hospital using the ISO 31000:2018 framework and provide recommendations for improvement to optimize service quality. Method: The method used was descriptive qualitative with a case study approach and a type of evaluation through primary and secondary data collection. Results: The results show that the implementation of risk management at XYZ Hospital has not been effective, including not determining risk appetite, the risk register is not updated, risk analysis does not use the scale of impact and possibility, a risk treatment plan has not been developed, and all risk owner units have not carried out risk reporting. Limitations: The limitations of this research include not conducting interviews with all risk-owner units, limiting the evaluation framework to ISO 31000:2018, and focusing solely on one research object. Contribution: The evaluation results of this study and recommendations for improvements in the risk management process can help XYZ Hospital achieve optimal performance in improving service quality. Novelty: This research provides a new contribution to risk management in health services, focusing on implementing risk management in hospitals with the status of Regional General Hospitals. In addition, this study presents a comprehensive evaluation that fills a gap in the literature and provides practical insights for improving risk management practices at XYZ Hospital.

THE MACHINE OIL DRAINER DESIGN IN SMALL MEDIUM-SIZE ENTERPRISES (SMEs) OF FOOD PROCESSING OF CASSAVA CHIPS IN CIAMIS DISTRICT Riyaldi, Slamet; Setiawan, Tia
SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Vol. 15 No. 2 (2021): SINTEK JURNAL
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/sintek.15.2.88-94

Machine technology is currently playing an important part in supporting small and medium-sized enterprises (SMEs)' growth and continuity. Oil filtration in cassava chips that are fried in SMEs is also a concern as chips which are not durable, moldy, and poorly smelling. A machine oil drainer is therefore required to prevent this so that SMEs can compete internationally according to the target. Further to the above, the researcher would recommend the design of the oil drainer used by SMEs in the production of cassavas chips. The design uses a case study by SMEs. In addition, to find out productivity level, the comparison before and after the use of an oil drainer is measured at the beginning and the end of the study. A case study technique with the chosen sample, namely the processing of cassava chips in the Ciamis Regency, is the analysis tool used. As for the data source, it is obtained by data collection techniques using questionnaires, interviews, observation, and documentation exploration through primary and secondary data collection. It is understood from the outcomes of the above discussion that the Machine Oil Drainer plays a role in reducing the oil content of cassava chips, where it can work and operate efficiently. If it can make food durable, mold-free, and smell rancid with the System Oil Drainer, the consistency and efficiency of cassava chips are thus growing. The Research output is in the form of a Machine Oil Drainer that can assist in the filtering process to minimize the oil content of cassava chips in Ciamis Regency cassava chips SMEs.

The application of young coconut waste processing technology to the women farmer group in Kertasari, Ciamis Regency, West Java Riyadi, Slamet; Abidin, Zaenal; Setiawan, Tia; Adnan, Bahana Aditya
Galuh International Journal of Community Service and Development Vol 1 No 1 (2023): September 2023
Publisher : Badan Kemitraan Inovasi dan Kewirausahaan Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/gijcsd.v1i1.3132

Young coconut fruit is an agricultural commodity with high economic value. The utilization of young coconuts needs to be followed up with post-harvest handling, such as preservation, packaging, and storage because young coconuts are easily damaged. Currently, young coconut consumption is starting to increase because it is widely used as a toxin neutralizer or consumed to maintain body health and fitness. The problem that occurs among young coconut ice sellers is how to deal with young coconut shell waste. Therefore, there is a need for innovation that can help young coconut ice sellers to handle waste from young coconuts and turn the coconut waste into something useful. The solution for processing young coconut waste in this community service activity is carried out by processing young coconut waste into ready-to-use organic fertilizer and planting media. In addition to overcoming the problem of young coconut waste, this activity is aimed at enabling the Women Farmers Group to be able to utilize young coconut waste to be used as organic fertilizer and planting media by applying appropriate technology to reduce the impact of environmental pollution due to the abundance of this waste. As the results of these activities, the women farmer groups have been able to utilize young coconut waste to be used as material for making organic fertilizer and planting media which were initially not of economic value by using a chopping machine, so as to reduce the impact of environmental pollution caused by the abundance of this waste.

Evaluation of risk management for optimizing service quality in XYZ regional general hospital Setiawan, Tia; Wijayati, Nureni
International Journal of Financial, Accounting, and Management Vol. 6 No. 2 (2024): September
Publisher : Goodwood Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/ijfam.v6i2.2185

Purpose: The study aims to evaluate the implementation of risk management at XYZ Hospital using the ISO 31000:2018 framework and provide recommendations for improvement to optimize service quality. Method: The method used was descriptive qualitative with a case study approach and a type of evaluation through primary and secondary data collection. Results: The results show that the implementation of risk management at XYZ Hospital has not been effective, including not determining risk appetite, the risk register is not updated, risk analysis does not use the scale of impact and possibility, a risk treatment plan has not been developed, and all risk owner units have not carried out risk reporting. Limitations: The limitations of this research include not conducting interviews with all risk-owner units, limiting the evaluation framework to ISO 31000:2018, and focusing solely on one research object. Contribution: The evaluation results of this study and recommendations for improvements in the risk management process can help XYZ Hospital achieve optimal performance in improving service quality. Novelty: This research provides a new contribution to risk management in health services, focusing on implementing risk management in hospitals with the status of Regional General Hospitals. In addition, this study presents a comprehensive evaluation that fills a gap in the literature and provides practical insights for improving risk management practices at XYZ Hospital.

PEMBUATAN PROTOTIPE EXHAUST FAN OTOMATIS MENGUNAKAN SENSOR SUHU DHT11 UNTUK APLIKASI DIKENDARAAN DAN RUANGAN BENGKEL Setiawan, Tia
SEMINAR TEKNOLOGI MAJALENGKA (STIMA) Vol 6 (2022): STIMA 6.0 Bangkit Bersama Membangun Majalengka Smart City
Publisher : Universitas Majalengka

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Design of an automatic exhaust fan prototype using a DHT11 temperature sensor is the manufacture of an electronic device to lower the temperature in a room and suck air in the room to be discharged outside the room, at the same time the exhaust fan draws fresh air outside into the room. In addition, the exhaust fan can also circulate air in a room, in order to stay healthy the room needs air circulation so that there is always a change of indoor air with fresh air from outside. This tool works automatically because this tool uses a temperature and humidity sensor type DHT11. This tool is still being made in the form of a prototype or initial model which is an example before making the actual tool. In this prototype, room temperature and humidity data are detected by the DHT11 sensor. The DHT11 temperature sensor detects the room temperature, then it is processed by the microcontroller then the exhaust fan will rotate to suck air out of the room by providing a calibrated digital signal. 30-50°C and a relative humidity measurement range of 20-90%. The input voltage is 12 volts and 5 volts is changed by the power supply. Arduino microcontroller works at a voltage of 5 volts and a voltage of 12 volts for the relay circuit and the exhaust fan will turn on at a temperature of more than 30 ° if the temperature is less than 30 ° C then the exhaust fan must stop rotating.

RANCANGAN BANGUN SIMULATOR KOMPRESOR TORAK UNTUK MEDIA PEMBELAJARAN Setiawan, Tia; Riyadi, Slamet; Irfan, Kiki
SEMINAR TEKNOLOGI MAJALENGKA (STIMA) Vol 7 (2023): STIMA 7.0 "Transformasi Peradaban Akademik Menyongsong Revolusi Industri 5.0"
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/stima.v7i0.930

Training kit an important role as a equipment for creating effective teaching and learning process. Training kit of reciprocating compressor is expected to facilitate students in understanding the theory and practice subjects related to the compressor. Compressor is a machine to increase air pressure by compressing air from the atmosphere. In simple terms the working principle, pressure and volume changes in a reciprocating compressor can be described in the form of a P-V diagram. The purpose of this study is to generate instructional media so that it understood the working principle and tested on reciprocating compressor one stage and two stages. The research method begins with the design of tools that are simulated visually through solidwork software, component preparation, assembly of learning media and equipments testing. The resulting frame is 1100 mm long, 600 mm wide and 800 mm high. The v-belt type is used according to the v-belt length of 41 inches for the one-level and 53-inch compressors for the two-level compressor. The diameter of the driven pulley also affects the rotation of the compressor shaft (N), the greater the diameter of the pulley then the shaft rotation also decreases. In addition to the rotation difference of the compressor shaft (N) which affects the piston displacement value, the number of piston also affects the Qth value.

DESAIN SISTEM OTOMASI DAN PENGENDALIAN SUHU BERBASIS TEMPERATURE CONTROLLER PADA USAHA AIR REBUS” Riyadi, Slamet; Syamsuri, Heris; Setiawan, Tia
SEMINAR TEKNOLOGI MAJALENGKA (STIMA) Vol 9 (2025): Seminar Teknologi Majalengka (STIMA) 9.0 Tahun 2025
Publisher : Universitas Majalengka

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The Boiled Water Business (UAR) in Kertasari Village, Ciamis Regency is one of the micro-enterprises that focuses on providing hygienic drinking water through a boiling process. The production process, which is still done manually, leads to several problems, such as unstable water temperature, potential hazards for operators due to exposure to hot water, inefficient production time, and energy wastage. This research aims to design and create an automation and temperature control system based on a microcontroller, equipped with a cooling system, so that the water boiling process becomes more efficient, safe, and stable. This system is designed to automatically regulate the water temperature until it reaches boiling point (100°C) using a temperature sensor connected to the microcontroller, and automatically channels the water to the cooling system through a solenoid valve once the temperature is reached. The research method used is research and development with an experimental approach, which includes stages of system design, component selection, hardware assembly, microcontroller programming, and performance testing of the system in a real operational environment. The results of this research are expected to improve the efficiency of UAR production by minimizing manual intervention, reducing energy consumption, accelerating the cooling process, and lowering the risk of workplace accidents. With this system, the Boiled Water Enterprise can operate more optimally and consistently in meeting the hygienic standards of drinking water.

PENINGKATAN EFISIENSI BIAYA DAN MUTU RENGGINANG MELALUI PENERAPAN KOMPOR BERBAHAN BAKAR JELANTAH DAN PENGELOLAAN LIMBAH AIR CUCIAN BERAS Fatimah, Ai Tusi; Setiawan, Tia; Amalia, Lidya Nur
Jurnal Abdi Insani Vol 12 No 11 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i11.3243

High energy costs and the challenge of managing used cooking oil waste are major obstacles for the Rengginang Hj UAS Home Industry in Ciamis, resulting in low profit margins and sub-optimal product quality. Therefore, this activity aims to transform the partner IRT into an efficient, competitive, and environmentally sustainable Micro, Small, and Medium Enterprise (MSME). The method employed was the multidisciplinary STEAM-H approach through intensive training, implementation of Appropriate Technology in the form of a Used Cooking Oil Stove and a De-oiling Machine, as well as the application of a Zero-Waste system (conversion of rice washing wastewater into Liquid Organic Fertilizer/POC). Evaluation results showed significant success, with partner competency increasing to a Normalized Gain (N-Gain) value of 0.72 (High Category) and achieving 100% mastery of practical skills. Economically, the program exceeded targets by reducing fuel costs by up to 65% and increasing oil separation efficiency by 100%. The technology adoption rate fell into the Very High Category (score: 4.64). However, the Zero-Waste aspect (raw material independence) was only 20% achieved and requires further assistance. In conclusion, the program was effective in substantially transforming the partner's operational efficiency and product quality.

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