Where is the Volvo truck seat patent?

The birth of electric vehicles has made the automobile industry intelligent and contributed to environmental protection. After all, electricity is more environmentally friendly than gasoline. Therefore, under the impetus of the country, major automobile industries began to steal the limelight, and even Internet tycoons such as Ma Yun and Dong Mingzhu joined in. Since then, the field of electric vehicles in China has begun to usher in new development.

Although many netizens don't buy the cost performance and endurance of new energy vehicles, electric vehicles still become the development direction of future cars. Recently, Li Bin, CEO of Weilai, said in an interview with the media recently: "Weilai Automobile understands the needs of users better than foreign companies, and it is not difficult to surpass Tesla". Although this sentence is wild, it does not face the reality. From the perspective of electric vehicle technology, Tesla has always been the leader of electric vehicles, with a complete set of vehicle management solutions, from battery management systems to automatic driving systems. It is enough to see Tesla's innovation and technical ability in electric vehicles.

In the comparison of sales data of 20 19, it is found that the cumulative delivery volume of Weilai is 20565 vehicles. The chain increased by 22.7%, while Tesla delivered11200,000 vehicles, up by 50% year-on-year. The sales data gap between them is more than five times. Without strong technical support, it is almost difficult for Weilai to achieve this sales data, let alone surpass it.

Tesla has reached L5 level in autonomous driving technology, while Weilai can only reach L4 level. Many netizens may not know much about the level of autonomous driving. Let me briefly introduce:

L0 level: the lowest level of automatic driving, which can control the vehicle under special circumstances (such as automatic emergency braking system) or intervene in specific circumstances to provide auxiliary functions for the driver. However, these systems do not continuously perform "dynamic driving tasks", so they cannot be called "automated" systems.

L 1 Class: Compared with L1Class, it has basic intelligent driving assistance functions, such as the adaptive cruise function equipped on Volvo trucks and Mercedes-Benz cars, which can detect obstacles in driving through sensors such as radar, so as to realize automatic deceleration and other functions. At present, most models at home and abroad have reached this level.

L2 level: partial automatic driving function can be realized: At present, automatic driving means that the automatic system can complete some driving tasks, but the driver needs to keep his hands and feet on standby at any time in order to take over the system in time under special circumstances. L2 autopilot still needs to run in limited scenarios.

L3 level: basically, it can achieve automatic driving, but vehicles need to complete all the automatic driving functions in a certain environment, such as some automated city buses and taxis. Moreover, when the system judges the special environment, the driver needs to drive manually.

L4 class: Compared with L3 class, after the car reaches L4 class, it can already complete all the driving operations of the vehicle, and the driver can even take a rest while driving without much operation. Although the L4 level has reached the standard of high automation, it is still limited by the scene, so it is more suitable for use on simple and standardized roads, and can not fully adapt to all scenes.

L5 level: upgraded again on the basis of L4, which can basically meet the requirements of any scene, and can be completely operated by intelligent system during driving. That is, you only need to input a command, and the vehicle will automatically take you to your destination.

Although we think that the difference between L4 and L5 is only in the driving environment, there is actually a big gap between them. In fully automatic driving, the requirements for sensors and AI calculation are very high, and the investment and technical ability required for each level of upgrade are huge. It is understood that the MCU chip independently developed by Tesla has reached the 7nm process, and a single chip can perform 72 floating-point operations per second (trillions of operations per second). And a car needs two, which is the brain of a smart car. According to the current development of domestic chips, domestic cars such as Weilai can't reach this research and development level at present.

According to the data of the car, the lowest selling price of the two is about 654.38+million higher than that of Tesla. Once the first-class brand electric vehicles began to cut prices and went to civilians, while the price of domestic electric vehicles was generally higher. Netizens, 6.5438+10,000 fuel vehicles and more than 200,000 Tesla, will you really choose more than 300,000 domestic electric vehicles?

Although Weilai has gathered the resources of major Internet giants, its cost performance is really not high. If it is me, from the perspective of cost performance and driving experience, it is not good to choose a fuel car or Tesla to keep this 654.38+ million upgraded battery!

If domestic electric vehicle manufacturers want to catch up with Tesla, what they should do is to tackle key technical difficulties. Like Huawei, they should be chased by foreign companies, instead of always imitating and shouting slogans at the back. If they want to surpass Tesla in science and technology, they must have enough patents and innovations. At present, the most difficult thing for electric vehicles to overcome is the research and development of battery management system, battery life and capacity, endurance, AI intelligent driving system and hardware MCU central controller. If we just change the shell and change the motor, we can't keep the forefront of electric vehicle technology, let alone surpass Tesla, just like many domestic assembled mobile phones are clamoring to surpass Apple every day, lacking real patented technology.

Then the question is coming! Dear friends, do you know why self-driving electric vehicles are being developed now, and there are few fuel versions? What kinds of new energy vehicles are there? Have you ever seen an electric car that runs on solar panels? Relevant information can be found in watermelon video, search for "new energy vehicles", and take you into the world of new energy vehicles from watermelon video to see how much changes smart cars will bring to our lives in the future. If you are not good at driving, you will worry about not being able to drive!

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