(Image source: Xiaomi Auto)
Recently, some Xiaomi SU7 owners said that they encountered the problem of sudden brake failure shortly after picking up the car. According to a Xiaomi SU7 standard founder owner in Leiyang, Hunan,
Less than a month after picking up the car,During a recent stop, the vehicle's brakes appeared to suddenly fail and the damping sensation was lost. An alarm sounded in the car, and four abnormal messages such as "braking system failure" appeared on the screen. This owner's experience is not an isolated case, and similar problems have appeared in other car owners, which can't help but raise questions about the braking system of the Xiaomi SU7.
In response to this problem, Xiaomi Group quickly responded. On May 13, Wang Hua, general manager of the public relations department of Xiaomi Group, posted through social media that the company had verified the brake failure and confirmed that it was caused by misidentification of the software. At present, this small probability event has been fixed, and there is no need to panic.
He explained that the vehicle was misidentifying the degradation of the system of the main brake controller (DPB/BCP) at the time, triggering a backup braking strategy, causing the brake auxiliary controller (ESP/BCS) to provide braking deceleration to the vehicle in direct response to braking demand. At the same time, the large screen of the vehicle also reported a brake system fault prompt.
As Xiaomi's first model, the SU7 continues to perform strongly in the market. According to the well-known car blogger @Sun Shaojun, the number of locked orders of Xiaomi SU7 has officially exceeded 100,000. Lei Jun, founder, chairman and CEO of Xiaomi Group, also revealed on Weibo that as of 24 o'clock on April 30, the delivery volume of Xiaomi SU7 in April reached 7058 units. It can be seen that consumers trust and expect Xiaomi cars.
Lei Jun said at the launch conference of Xiaomi Auto that he has been building a car for 3 years, and he is trembling every day, but he didn't expect it to be so difficult to build a car, so difficult that even Apple gave up. He said in the "We Xiaomi people" values speech contest that Xiaomi SU7 is three to five times more successful than he imagined, and the success of Xiaomi SU7 is essentially the success of Xiaomi model, and in the final analysis, it is the success of Xiaomi cultural values.
Looking back at Xiaomi's road to car manufacturing, in order to smoothly realize the planned car listing, investment and acquisition are used to exchange technology and time.
Tens of billions of funds have been invested in the automobile industry
According to the data of Xiaomi Group, Xiaomi Yangtze River Industry Fund, Shunwei Capital and other Xiaomi investment entities, Xiaomi has been in the automotive field since 2011. Before announcing the car, Xiaomi has completed 52 investment events in the automotive field, with a cumulative investment of 26.227 billion yuan. After the announcement of car manufacturing, Xiaomi's investment amount and number from 2021 to 2022 hit a new high again, with the highest investment in 2021 reaching 29.988 billion yuan, and the highest number of investments in 2022 is 26.
The layout of the five core technologies of Xiaomi Automobile
In addition to investing in the layout of the industrial chain through equity participation, Xiaomi focuses on the five core links of automobiles, such as motors, batteries, large die-casting, intelligent driving, and intelligent cockpits, and carries out technical breakthroughs to build the core competitiveness of automotive products. Specifically, in terms of motors, the super motors V6 and V6s jointly developed by Xiaomi, Inovance Technology and United Automotive Electronics surpass Porsche and Tesla in terms of speed and power density, while Xiaomi's self-developed V8s has a speed of 27200 rpm and a motor power density of 10.14kw/kg, which is expected to be put into use in 2025; In terms of batteries, Xiaomi focuses on improving the volumetric rate, self-developed CTB integrated battery technology and cell inversion technology, and improves the space utilization rate of the battery pack to 77.8%; In terms of large die-casting, Xiaomi has independently designed a 9,100-ton integrated large-scale die-casting equipment cluster system, and developed a full set of processes and standards for large-scale die-casting, and at the same time developed the high-strength, high-toughness, heat-free and heat-free environmental die-casting material "Titan Alloy", becoming the only domestic automobile manufacturer with self-developed large-scale die-casting materials that can be mass-produced; In terms of intelligent driving, Xiaomi has developed its full-stack intelligent driving technology, and improved its perception and recognition technology through three technologies: adaptive zoom BEV technology, road large model, and super-resolution occupancy network technology, and the current intelligent driving exclusive team size exceeds 1,000 people. In terms of intelligent cockpit, Xiaomi is based on Xiaomi Surging OS to create a closed loop of people, cars and homes.
Xiaomi Auto Autonomous Driving Adopts BEV+Transformer+Occupancy Network Algorithm
According to the Xiaomi Technology Conference, the underlying algorithm adopted by Xiaomi Intelligent Driving is BEV+Transformer+Occupy the network, and is fully integrated into the large model technology. However, compared to Tesla and Huawei, which are leaders in the field of autonomous driving, Xiaomi's underlying algorithm for autonomous driving is still similar to the 2022 Tesla FSD V11. Tesla, on the other hand, has officially started training end-to-end models in 2023 and released the FSD Beta V12 beta in 2024. In contrast, Huawei adopts the BEV+Transformer+GOD network architecture, and further enhances the inference network based on the road topology, which provides excellent performance in actual operation and reduces the dependence of autonomous driving technology on high-definition maps. Therefore, Xiaomi still needs to continue to follow up on the research and development of autonomous driving algorithms.
Guojin Securities Research Report believes that Xiaomi Auto has the potential to become a popular product, which may have an impact on the competition in the vehicle market and the upstream supply chain, thereby reshaping the competition pattern in the subdivided field. It is expected that the success of Huawei may be replicated after the launch of the Xiaomi car.
Li Qingwen, president of the Automotive Evaluation Research Institute, said that Xiaomi is likely to be the last company to enter the market in this round of new energy vehicle cycle. On the one hand, this is because the Ministry of Industry and Information Technology has become more stringent in reviewing the qualifications of car manufacturing, and on the other hand, the automobile industry has entered a cycle of elimination, and the space for new brands is getting smaller and smaller. The strategic layout of the whole vehicle has been basically completed, and the situation of new entrants will be very difficult.
Prospective Economist APP Information Group
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