Traditional Culture Encyclopedia - The 24 Solar Terms - What parts is the electronic throttle made of?
What parts is the electronic throttle made of?
The electronic throttle is mainly composed of the following six parts: accelerator pedal, pedal displacement sensor, electronic control unit ECU, data bus, servo motor and throttle actuator. The harness (wire) is used to replace the cable and joystick of the traditional throttle to realize the automatic adjustment of throttle opening control. The electronic throttle connected with ECU can be equipped with modules such as cruise control, which is the development trend of the whole automobile technology. The function of electronic throttle control system is mainly embodied in two parts: traction control system (ASR) and speed control system (crosscontrol). When the wheel speed is sensed by the ASR system, the ECU calculates the slip rate through the position of the accelerator pedal and other parameters, and then reduces the engine output to achieve the purpose of control. Electronic throttle plays an important role in the whole ASR system by adjusting the flow rate of mixed gas, providing support for the functions such as speed control and idle speed control, thus avoiding the driver's misoperation. In the speed control system, the speed sensor inputs the speed signal to the ECU, and the servo motor controls the throttle opening according to the output instruction. The system can control the change of driving resistance, automatically adjust the engine throttle opening, so as to keep the vehicle speed stable, and also support the cruise control function. Therefore, electronic throttle system is one of the important directions of automobile technology development, which can provide more accurate and fast throttle control function, thus improving the safety and driving experience of automobiles.
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