Emergency braking system of driverless vehicle

An unmanned vehicle and emergency braking technology, applied in the field of unmanned vehicle braking system, can solve the problems of large operating force, inconvenient operation, and difficulty in safely controlling the emergency stop of the vehicle, so as to ensure the operation, ensure safe effect

Pending Publication Date: 2020-02-25
郑州日产汽车有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unmanned vehicles that use pull-wire mechanical structures for emergency braking are inconvenient to operate and require a lot of operating force, making it difficult to safely control the vehicle to achieve emergency parking

Method used

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  • Emergency braking system of driverless vehicle
  • Emergency braking system of driverless vehicle
  • Emergency braking system of driverless vehicle

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Embodiment Construction

[0011] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the scope of protection of the present invention is not limited to the following Described embodiment.

[0012] Such as figure 1 , 2 As shown, the emergency braking system of the unmanned vehicle described in the present invention includes the braking system assembly of the unmanned vehicle, and the ESC (abbreviation of English Electronic Stability Program, electronic stability system) of the braking system assembly performs One of the power input interfaces of the device 1 is connected to the output interface of the vehicle battery through the negative pole of the diode D1, and the other is connected to the output interface of the backup battery 2 for emergency brak...

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Abstract

The invention discloses an emergency braking system of a driverless vehicle. The emergency braking system comprises a driverless vehicle braking system assembly, wherein one circuit of a power supplyinput interface of an ESC actuator of the braking system assembly is connected to an output interface of a vehicle battery through the cathode of a diode; the other circuit of the power supply input interface is connected to an output interface of a standby battery and is used for an emergency braking power supply; a charging interface of the standby battery is connected to the output interface ofthe vehicle battery through a DC/DC module; and a braking signal input interface of the ESC actuator is connected with an emergency braking self-locking switch button. The emergency braking system ofthe driverless vehicle has the advantage that the emergency braking of the driverless vehicle is realized by replacing a conventional vehicle braking control mechanism with the standby battery and anemergency braking button. When a brake-by-wire system fails or the vehicle is abnormally powered off, an occupant can directly press the emergency braking button, so that the standby battery suppliespower for the ESC actuator and the ESC actuator actively performs voltage buildup so as to achieve deceleration and parking of the vehicle and ensure running safety of the driverless vehicle.

Description

technical field [0001] The invention relates to a braking system of an unmanned vehicle, in particular to an emergency braking system of an unmanned vehicle. Background technique [0002] With the development of automobile intelligence and the promotion of 5G technology, unmanned vehicles have gradually entered the public's field of vision. Since the vehicle is no longer operated by the driver, a reliable emergency braking system can effectively protect the safety of the vehicle and its members. , to minimize the probability of accidents. At present, for unmanned vehicles that use electronic parking mechanisms for emergency braking, due to the risk of brake failure due to vehicle power failure, and in order to reduce the risk of tail flicking and loss of control during braking, the braking deceleration generally does not exceed -0.15g , The braking force is very small during emergency braking. Unmanned vehicles that use pull-wire mechanical structures for emergency braking...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T17/18
CPCB60T17/18
Inventor 张全成孙延伟李广府古晓科张汝琳孙伟方正徐战林杨飞飞王新辉周芳何明雪楚斌峰周玉森钱争豪魏斐娄世菊蒋世杰高璐
Owner 郑州日产汽车有限公司
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