A method for controlling the automatic driving of an electric vehicle

A technology of electric vehicles and control methods, applied in the direction of electric vehicles, control drives, control devices, etc., can solve the problems of inconvenient, unsuitable, easy-to-release safety problems for drivers, etc., achieve convenient use, save costs, and improve practicability Effect

Active Publication Date: 2018-05-15
FJ MOTOR GRP YUDO NEW ENERGY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During long-distance driving, it is inconvenient for the driver to manually adjust the cruising speed because different road sections may have different speed limits
During automatic driving, the driver tends to relax his vigilance. If an obstacle suddenly appears in front of him, he cannot handle it in time, and it is easy to cause safety problems. Constant speed cruise can only be used at high speeds and when there are few vehicles on the road, which is not suitable for most driving situations.

Method used

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Embodiment Construction

[0032] In order to describe in detail the technical content, structural features, achieved objectives and effects of the present invention, the following will be described in detail in conjunction with the embodiments.

[0033] The invention relates to an automatic driving control method of an electric vehicle, which comprises the stages of entering a cruising mode, a radar detection stage and exiting the cruising mode;

[0034] The vehicle needs to have a radar to judge the obstacles ahead, and a controller is needed to control the cruise control. For pure electric vehicles, there is a VCU (vehicle controller), which can control this function, and a knob is needed to control the cruise control. Enter cruise mode to take control. The cruise knob includes the first gear: enter the cruise mode (in this mode, the speed is fixed at the current speed); the second gear: automatically enter the low-speed cruise (the speed is preset); the third gear: automatically enter the high-speed...

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PUM

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Abstract

The invention discloses an automatic running control method for an electric car. The method includes a cruise mode entry mode stage, a radar detection stage and a cruise mode exit stage, wherein according to the cruise mode entry mode stage, the gear of a cruise mode is switched on by rotating a cruise rotary knob; according to the radar detection stage, the space ahead the car is detected by a radar, and a car control unit carries out corresponding measures according to preset levels of danger; and according to the cruise mode exit stage, the car exits from the cruise mode according to the levels of danger or by rotating the cruise rotary knob. The current constant car speed cruise, low-speed cruise, high-speed cruise and cruise mode exit are achieved through the cruise rotary knob, the possibility of constant speed running at a low speed is increased, and the security for constant-speed cruise is enhanced, so that the collision danger is avoided when a driver relaxes vigilance, and the practicability of a cruise system is greatly improved; and besides, as the car control unit of prior equipment is used, cost is saved.

Description

technical field [0001] The invention relates to the technical field of an electric vehicle control system, and in particular relates to an electric vehicle automatic driving control method. Background technique [0002] Cruise control is a function that drivers often use when driving long distances. When using the cruise control function, the driver can set a cruise speed. When in the cruise control mode, the vehicle will operate according to the set speed without intervention. Cruising speed is sufficient, and cruise mode can usually be disengaged by depressing the brake pedal. In related technologies, the driver is required to manually set the cruising speed according to the speed limit regulations of the road. During long-distance driving, it is inconvenient for the driver to manually adjust the cruising speed because different road sections may have different speed limits. During automatic driving, the driver tends to relax his vigilance. If an obstacle suddenly appear...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L15/20
CPCB60L15/20B60L2240/12B60L2260/32Y02T10/72
Inventor 施清刘心文陈文强杨上东苏志高
Owner FJ MOTOR GRP YUDO NEW ENERGY AUTOMOBILE CO LTD
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