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Journal : advance sustainable science engineering and technology asset

Characteristics of the MQ-135 Sensor for Testing Medium Speed Ship Engine Exhaust Gases Suharso, Arif Rakhman; Hendartono, Ario; Supriyadi, Slamet
Advance Sustainable Science Engineering and Technology Vol. 6 No. 3 (2024): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v6i3.615

Abstract

International Convention that regulates air pollution caused by shipping activities as is indicated in Annex VI. So far, many ships' exhaust gases still contain a lot of NOx and SOx gases which can damage the air and are one of the contributors to air pollution. The aim of this research is to analyse the use of the MQ-135 sensor as a ship exhaust gas detection sensor connected to an Arduino Uno and a computer. Testing ship exhaust gas was using the medium speed ship's main engine in the engine laboratory of the Indonesian State Maritime Polytechnic. The measuring point was at the end of the exhaust chimney. The measurement variations consisted of low, medium and high engine speed (RPM) of the main engine. The result suggested that the higher the engine RPM, the higher the reading on the serial monitor. The average of measurement results from three measurements concluded that the high RPM is 96, for medium RPM is 81 and low RPM is 66 as displayed on the Arduino IDE serial monitor. From the results of the equipment testing that has been carried out, it can be concluded that the MQ-135 sensor can be used to detect ship exhaust gas from medium ship engine
Design and Experimental Evaluation o`f a PID Based Ship Rudder Control Prototype Referenced to SOLAS Arif, Arif Rakhman Suharso; Ario Hendartono; Amthori, Amthori Anwar; Slamet Supriyadi
Advance Sustainable Science Engineering and Technology Vol. 8 No. 2 (2026): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i2.2739

Abstract

The Proportional–Integral–Derivative (PID)-based ship rudder control system is an effective method for maintaining a vessel’s heading automatically. This study aims to design and evaluate a ship rudder control prototype in accordance with SOLAS safety standards. The research method employed is Research and Development (R&D), which includes needs analysis, system design, prototype development, and model testing. The cargo ship prototype is equipped with an HMC5883L compass sensor, an Arduino microcontroller, and a servo motor as the rudder actuator. Data processing and PID algorithm implementation are carried out using Visual Basic software. The PID parameters used are Kp = 0.001, Ki = 0.001, and Kd = 0.2, obtained through a tuning process. Testing was conducted in a controlled pool under calm water conditions. The results show that the system achieves a steady-state condition in an average time of 21 seconds with minimal overshoot and small deviation from the setpoint, while complying with the SOLAS requirement of a maximum rudder angle of 35°.