crashteamracingps1|问界官方发布山西交通事故技术问题说明 回答四大疑问

[TechWeb] News on May 6th, April 26th, in a traffic accident on the section of Houping Expressway in Shanxi Province, a new M7 Plus rear-ended a road maintenance vehicle in the inner fast lane and then caught fire.

This afternoon, AITO Automotive official WeChat today released a "explanation on the technical problems related to the new M7 Plus in the traffic accident on the section of Houping Expressway in Shanxi Province".

The full text of the official statement is as follows:

On April 26th, 2024, a new M7 Plus rear-ended a road maintenance vehicle in the inner fast lane during a traffic accident on the section of Houping Expressway in Shanxi Province. We are deeply saddened by the traffic accident.

After the accident, we actively cooperate with the traffic police department to carry out the accident investigation and provide all necessary data to restore the cause of the accident. The specific investigation results shall be subject to the confirmation and notification of the traffic police department.

crashteamracingps1|问界官方发布山西交通事故技术问题说明 回答四大疑问

This incident has been widely concerned on the Internet recently, and here is an explanation on the technical problems related to the new M7 Plus vehicle (hereinafter referred to as "accident vehicle") that users are concerned about:

Question 1: why didn't the automatic emergency brake (AEB) function succeed in avoiding collisions?

-the braking system of the accident vehicle is normal before the collision. According to the analysis of the background data, there are two braking actions within 5 minutes before the accident, and the vehicle can decelerate normally.

The new M7 Plus is equipped with L2 driving assistance system (non-Huawei ADS 2)Crashteamracingps1(.0 intelligent driving system), the working range of automatic emergency braking (AEB) is 4~85km/h. The speed of the accident vehicle at the time of collision is 115km/h, which exceeds the working range of automatic emergency braking (AEB).

Question 2: the cause of the vehicle fire? Did the battery ignite spontaneously?

-during the 115km/h high-speed rear-end collision between the accident vehicle and the road maintenance vehicle in front, the protruding beam-like hard structure of the rear part of the vehicle in front seriously invaded the front engine room and occupant cabin on the upper left side of the accident vehicle, resulting in serious damage to the front engine room and crew cabin, the wire harness was instantly cut off, the front engine room was ignited by high temperature components or wire harness short-circuit sparks, the fire on the left side of the front engine room first started, and then the fire spread to the whole vehicle, and the power battery pack did not self-ignite.

Question 3: is the airbag open normally?

-according to the background data analysis, there is a seat belt locking signal in the main driving position before the collision, there is no seat belt locking signal in the co-driver's position and three seats in the back row, and the airbag status monitoring is normal. When the collision occurs, the vehicle airbag opens normally.

Question 4: can the car door open after the collision?

-the new M7 Plus has the function of automatic collision unlocking and is equipped with a mechanical door handle, which can be unlocked by pulling the mechanical door handle in case of special emergency. During the 115km/h high-speed rear-end collision between the accident vehicle and the road maintenance vehicle in front, the protruding beam-like hard structure of the rear part of the vehicle in front seriously invaded the front engine room and occupant cabin on the upper left side of the accident vehicle, resulting in the power line and signal line in the front engine room and crew cabin being cut off instantly, the door handle controller could not receive the pop-up signal, and the rescuers broke the window to pull the handle inside the mechanical door to open the door to carry out the rescue.

AITO automobile

May 6, 2024

Note: the schematic diagram is a technical simulation demonstration with reference to the relevant data of the accident vehicle.

In addition, in response to this incident, Selis Automotive Justice Department also issued a statement: the cause and responsibility of this traffic accident should be determined by the authoritative investigation conclusion of the traffic police department. Before the conclusion of the investigation is made public, any act of false speculation, fabrication of false information and malicious dissemination through the media may violate the law.Crashteamracingps1For illegal and criminal acts suspected of fabricating and spreading false facts and deliberately smearing the commercial reputation and commodity reputation of enterprises, we will take all legal measures to investigate their legal responsibility in accordance with the law, so as to safeguard the legitimate rights and interests of Cyrus cars and users. (Xiao Jian)