Study case ratio gear of stepper motor on electronic throttle using PID control

The throttle is a component that determines the amount of airflow into combustion chamber. latest in-vehicle technology makes it possible to adjust fly valve electronically. electronic system adjusts angle size by comparing predetermined setpoints. In research, designs are based on existing models. model uses stepper motor drive. Electronic control using microcontroller with proportional-integral-derivative (PID) control. While setpoint reference from position sensor (TPS) sensor. greater value, opening butterfly valve. results this study obtained simulation gear ratios 1: 1, 5: and 10: 1 for conventional vehicles.