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Vehicle overspeed avoidance based on map

A vehicle and speed technology, applied to vehicle parts, motor vehicles, instruments, etc., can solve problems such as distraction, inability to guarantee the driver, and ignorance of speed

Pending Publication Date: 2021-03-05
BAIDU USA LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not practical or feasible to place these signs everywhere, and even if these signs were placed in more places, there is no guarantee that drivers will notice these additional signs, as they may be distracted or not aware of their speed

Method used

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  • Vehicle overspeed avoidance based on map
  • Vehicle overspeed avoidance based on map
  • Vehicle overspeed avoidance based on map

Examples

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Embodiment Construction

[0037] Various embodiments and aspects of the present disclosure will be described with reference to the details discussed below, and the drawings will show the various embodiments. The following description and the drawings are illustrative of the disclosure without consolidation of the present disclosure. Many specific details are described to provide a comprehensive understanding of various embodiments of the present disclosure. However, in some cases, well known or conventional details are not described to provide a simple discussion of the embodiments of the present disclosure.

[0038] In this specification, the mention of "one embodiment" or "Embodiment" means that the specific features, structures, or characteristics described in connection with this embodiment can be included in at least one embodiment of the present disclosure. The phrase "in one embodiment" The appearance of the various places in this specification does not have to refer to the same embodiment.

[0039]...

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PUM

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Abstract

In one embodiment, driving faster than a speed limit can be avoided. In response to a current speed being greater than a local speed limit of the vehicle, a vehicle can determine a current vehicle pitch and determine a compensation acceleration to maintain constant velocity of the vehicle at the current vehicle pitch. A threshold control command is determined based on the current speed of the vehicle, and the compensation acceleration. The threshold control command determines whether the vehicle will accelerate or decelerate under the the current vehicle pitch of the vehicle is given. If a driver's control command is greater than the threshold control command, the driver's control command can be overridden or modified to reduce the current speed of the vehicle.

Description

Technical field [0001] Embodiments of the present disclosure generally relate to operation of automatic driving vehicles. More specifically, embodiments of the present disclosure relate to systems and methods that reduce or prevent vehicle overspeed based on map information. Background technique [0002] Vehicles running (eg, driver) in automatic driving mode can liberate the occupants, especially the driver from some driving related responsibilities. When run in an automatic driving mode, the vehicle can use the in-vehicle sensor to navigate to each position, allowing the vehicle to travel in some cases without any passengers without any passengers. [0003] Motion planning and control are key operations in automatic driving. However, traditional motion planning operations are mainly estimated to complete the difficulty of the given path from the curvature and speed of a given path, regardless of the characteristics differences of different types of vehicles. The same movement p...

Claims

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Application Information

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IPC IPC(8): B60W40/105
CPCB60W40/105B60W2520/10B60W2520/16B60W50/087B60W2540/10B60W2552/15B60W2555/60B60W2720/106B60W2556/50B60W30/146G05D1/0088B60W30/18B60W50/00B60W2050/0014
Inventor 朱帆
Owner BAIDU USA LLC
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