In short, the electronic accelerator was born to alleviate the throttle hysteresis. According to the characteristics of the electronic accelerator, the electronic accelerator will have the following advantages:
(1) Amplify the throttle signal to improve the static response
The so-called "acceleration" of the electronic accelerator
is mainly achieved by improving the sensitivity of the throttle response, which will enlarge the input throttle signal by 50%. That is to say, at any time, 33% of the accelerator signal at the back of the pedal is useless, and when the driver depresses 66% of the pedal, the accelerator output is full throttle, which increases the sensitivity of the throttle response by 50%. However, the electronic accelerator does not reduce the classification of the throttle signal as many people say, in fact, the throttle signal is still stepless adjustment, only from the previous 1:1 to 1:1. X, which is the signal amplification factor.
(2) Amplify the acceleration of throttle signal and improve the dynamic response
When the accelerator pedal is depressed, the accelerator will calculate the change rate of the accelerator signal according to the amplitude and time of the pedal. The faster the change, the stronger the acceleration requirements are, the accelerator will increase the change rate, and the final effect is better dynamic response of acceleration.
(3) Provide virtual driving style for ECU to adjust engine parameters
The ECU of modern engine generally has the ability of self-adaptive driving style. If the driver often steps on the accelerator (commonly known as pulling speed), the ECU will gradually think that the style of the driver tends to be "fierce", so the engine will slowly adjust the throttle, fuel injection system, etc. to get the best adjustment parameters of the engine in this style. After using the electronic accelerator
, even if driving according to the previous "mild" driving style, the engine will still get "intense" driving experience, which is equivalent to cheating the ECU. Over time, the engine will automatically modify its parameters to adapt to the style.
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