Method for automatically setting automobile maximum traveling speed according to road information
A technology of driving speed and road information, applied in control devices, vehicle components, input parameters of external conditions, etc., can solve the problems of easily distracting the driver's attention, troublesome operation, missed reports, etc., to improve driving safety and practicability. Strong, prevent the effect of car speeding
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[0020] as attached figure 1 As shown, in step 1, the current vehicle speed V and the road information of the current vehicle are obtained in real time, including road grade, speed limit, etc. Obtain the real-time vehicle speed V through the vehicle speed sensor, and send the vehicle speed to the ECU, obtain the current location and speed limit information of the vehicle through the vehicle GPS positioning and machine vision technology, and read the road grade and the road in the speed limit information database combined with the location information Grades and speed limits, divide road speed limits into six grades: expressways, first-class roads, second-class roads, third-class roads, fourth-class roads, and other speed-limited roads.
[0021] In step 2, establish a vehicle maximum speed threshold model based on road information, and calculate the maximum vehicle speed V m . Other speed-limited highways indicate that no real-time road information has been obtained or the spe...
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