PEMANFAATAN MIKROKONTROLER AT89S51 DALAM RANCANG BANGUN SISTEM WATER INJECTION BERBASIS MIKROKONTROLER PADA SEPEDA MOTOR

PEMANFAATAN MIKROKONTROLER AT89S51 DALAM RANCANG BANGUN SISTEM WATER INJECTION BERBASIS MIKROKONTROLER PADA SEPEDA MOTOR

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The rapid development of information technology makes a lot of electronic components used in various fields.The component that is often used is a microcontroller.The microcontroller is used as the regulator and the automation system.This study aims to design a microcontroller-based water injection (WAI) system on the motorcycle.

The experiment was conducted with an experimental method.Object of the research is honda mega pro 2009 motorcycle.The design of microcontroller-based WaI done through the following steps: (1) designing a microcontroller-based WaI system using the proximity sensor signals, (2) designing the neck gaiter voltage regulator circuit, (3) designing AT89S51 microcontroller circuit, (4) designing injector circuit, (5) designing a series of 7-segment Wood Pipe display, and (6) making programming the microcontrol ler on the WaI that is used to inject water or a mixture of water and methanol into the fuel chamber.The research showed that the microcontroller-based WaI can work correctly when applied to motorcycles.

This system works for injecting water or a mixture of water and methanol into the combustion chamber.Injection is done when the suction valve is open.This condition is known by placing a proximity sensor.On the other hand, the frequency of water or a mixture of water and methanol injection were governed by the microcontroller through the injector.

The results showed that the microcontroller-based WaI can work correctly and properly.