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All Journal IJEEIT : International Journal of Electrical Engineering and Information Technology Jurnal Venus
suharso, didik dwi
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Computer Science & IT Electrical & Electronics Engineering Energy Engineering Library & Information Science Mechanical Engineering Transportation Other

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Valve Setting Using Fuzzy Logic Method To Control Main Engine Coolant Flow suharso, didik dwi; Syafi'i, Imam; nugroho, Anicitus agung
IJEEIT : International Journal of Electrical Engineering and Information Technology Vol 6 No 2 (2023): September 2023
Publisher : NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijeeit.v6i2.2533

Abstract

The main objective of this research is to improve the operating efficiency and performance of ship main engines by optimizing coolant flow. Improper coolant flow can cause excessive temperature rise in the engine, which in turn can reduce engine life and efficiency. In this research, the coolant flow control system is implemented using the fuzzy logic method. Fuzzy logic allows modeling that is more adaptive to parameter variations and uncertainties in the operational environment. Fuzzy rules are developed based on practical knowledge of experts and operational data related to the host machine. The test was carried out through a simulation using a water flow control circuit that supplies the coolant to the ship's main engine with the main components being an ESP32 microcontroller chip and three DS18B20 temperature sensors. The results of this research show that the use of fuzzy logic in regulating coolant flow is able to provide a faster and more accurate response to changes in engine operational conditions. This has the potential to increase cooling efficiency and prevent engine over-temperatures, which can ultimately increase the overall service life and performance of the host engine. The practical implications of the results of this research can be applied in the development of more intelligent and adaptive control systems for various types of host machines, with the potential to increase operating efficiency and reduce the risk of damage due to excessive temperatures
ROOT CAUSE ANALYSIS OF DIESEL GENERATOR BLACKOUT DUE TO FUEL RACK MALFUNCTION ON MV SINAR SORONG Suharso, Didik Dwi
JURNAL VENUS Vol. 14 No. 1 (2026): Maret
Publisher : PIP Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The electricity of a ship greatly depends on diesel generators, which depend on the fuel system to be effectively combusted. This study examines a ship blackout incident that was occasioned by a huge disparity in exhaust gas temperature in a diesel generator. Data were collected by observing, interviewing, documenting and reviewing the literature using a qualitative descriptive design and Fishbone diagram as a tool of analysis. The root cause of the study has been cited as failure in combustion in one of the cylinders brought about by mechanical slip in the fuel rack system. Results show that problems in the delivery of fuel, including leakages in the pipes, corrosion, stuck fuel racks, and poor monitoring cause imbalances during combustion. Such imbalances increase the exhaust temperatures causing extreme degradation of performance and resultant blackouts. To avoid the occurrence in future, ensure the stability of the generators, and minimize the loss of the economy, this paper can recommend planned preventive maintenance, stringent monitoring schedule, and thorough documentation, so that the fuel system has the best safety.
Co-Authors C. I. Sutrisno Faris Nofandi Messiah, Muhammad Syahid nugroho, Anicitus agung Syafi'i, Imam Wiratno, Daviq