Method and apparatus for regulating speed of autonomous vehicle

By receiving information about the target vehicle and replacing the set acceleration with the target acceleration when the alarm signal is activated, the problem of autonomous vehicles suddenly approaching the target vehicle is solved, improving responsiveness and passenger comfort.

CN116601067BActive Publication Date: 2026-06-23PEUGEOT CITROEN AUTOMOBILES SA
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Patent Information

Application Number
CN202180085054.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2020-12-17
Filing Date
2021-11-04
Publication Date
2026-06-23
Estimated Expiration
2041-11-04

AI Technical Summary

Technical Problem

When the autonomous vehicle slows down, the delayed response causes the distance between the vehicles to be disregarded, resulting in the vehicle suddenly approaching the target vehicle and affecting the psychological comfort of the occupants.

Method used

By receiving distance, speed, and acceleration information of the target vehicle, the system calculates the time between the vehicles and replaces the set acceleration with the target acceleration when the alarm signal is activated, thereby adjusting the speed of the autonomous vehicle to avoid sudden approach.

Benefits of technology

It improves the responsiveness of autonomous vehicles and the comfort of passengers, reduces the need for emergency braking, and ensures reasonable control of the distance between vehicles.

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Abstract

The invention relates to a method and a device for regulating the speed of an autonomous vehicle, called ego vehicle, comprising an adaptive speed regulator, the method comprising the steps of activating (201) the adaptive speed regulator, receiving (202) information, called target information, related to the target vehicle, receiving (203) information, called ego vehicle information, related to the ego vehicle, determining (204) an inter-vehicle time, determining (205) a warning signal based on the target information and the ego vehicle information, determining (206) a replacement condition for replacing (207) a set acceleration of the speed regulator by a target acceleration.
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