Automobile accelerator pedal mistaken stepping safety braking system and braking method thereof

Abstract

The invention discloses an automobile accelerator pedal mistaken stepping safety braking system and a braking method thereof. The system comprises a control switch module, a mistaken stepping recognition module and a braking control module. All the modules are connected through a CAN bus, and an ECU controls the accelerator pedal mistaken stepping safety braking system through the CAN bus. The control switch module adopts a manual control switch module and / or a voice operated switch module. A time domain flow monitoring method is adopted by the mistaken stepping recognition module. The mistaken stepping recognition module mainly comprises a flow sensor installed in an oil supply pipeline and a data processing and analyzing system. A braking control module ECU controls a stepping motor and a direct-current motor to perform braking control. According to the system and the braking method of the system, the oil supply speed and the accelerated speed are directly detected; and mistaken stepping is judged through cooperation of a manual control method or a voice control method, so that accuracy is high, the mistaken recognition probability is greatly reduced, safety and reliability are improved, and safety accidents caused by accelerator pedal mistaken stepping can be effectively avoided.

Description

technical field [0001] The invention belongs to the technical field of automatic control and the automobile safety protection device in the field of vehicle-mounted intelligent control, and specifically relates to a safety brake system and a braking method for a car accidentally stepping on the accelerator, which is used to prevent the driver from accidentally stepping on the accelerator when the car needs emergency braking. Taking the accelerator as the brake pedal to step on it suddenly leads to traffic safety accidents. Background technique [0002] In recent years, the number of cars in my country has increased significantly, which has made the traffic environment increasingly tense. At the same time, the number of new drivers has also increased by leaps and bounds every year. The overall driving level of drivers is not optimistic. When driving, due to reasons such as unskilled operation of the driver and emotional tension, it is not uncommon to report traffic accidents c...

AI Technical Summary

Problems solved by technology

It is not difficult to find that the first solution has obvious defects: it acts slowly, travels a long distance before braking, and cannot brake in time

In the second scheme, the misstepping identification device (i.e. the sensor) is easier to contact with the driver, and the anti-interference ability is poor. For example, changes in the free stroke of the accelerator pedal or the clearance of the transmission mechanism will cause changes in the pedaling speed and pedaling force. More prone to "misidentification" phenomenon, leading to more serious consequences

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