"Beijing 8 minutes" has a lot of watching points and people are reminded of the "black technology" of automobiles.

At the closing ceremony of the Pingchang Winter Olympics that ended just last night, "Beijing 8 minutes" was a stunning global audience. This time, the design team led by the big director Zhang Yimou once again used innovative methods of creation, the use of a lot of science and technology, and the performing skills of the actors. This made the world stand out against China and it was also full of the Beijing Olympic Winter Games four years later. Expected.

In this beautiful performance, besides being able to feel its grandeur, many spectators are also full of curiosity about the technological elements in the performance. Inadvertently, these technological elements also cause car fans to evoke numerous “black” about the car category. Science and Technology's associations and analysis.

Then, after the car headline APP was combed, it found the "black technology" of cars that the car fans thought of in the performance.

Automotive lightweight technology

During the performance, the two highly skilled “Kung Fu Panda” are impressive, but in order to achieve the best performance, the entire panda puppet needs to be very lightweight.

At the time of its initial design, it was made of conventional materials and weighed almost seventy-eight pounds, far from performance standards. After continuous trials of new materials, it was determined that aluminum alloy pipes and carbon fiber strips could be combined to match the LED lamp production process. In the end, the entire puppet puppet was 2.35 meters tall and weighed only 20 pounds, a few pounds less than the initial version.

People who have heard about materials and reduced their weight, who must know about the car, immediately think of lightweight technology.

The so-called lightweight car is to reduce the car's curb quality as much as possible, on the premise of ensuring the strength and safety performance of the car, thereby improving the car's dynamic performance, reducing fuel consumption, and reducing exhaust pollution. Due to the needs of environmental protection and energy conservation, the lightweighting of automobiles has become the trend of the world's automotive development.

Previously, experimental data have shown that if the vehicle's vehicle weight is reduced by 10%, fuel efficiency can be increased by 6%-8%; for every 100 kg of vehicle trimming quality, the fuel consumption per 100 kilometers can be reduced by 0.3-0.6 liters; the weight of the vehicle is reduced by 1%. Fuel consumption can be reduced by 0.7%.

At present, there are four main ways to reduce the weight of automobiles. First: Continuous optimization of the mainstream specifications of the vehicle, and the maintenance of the structural strength of the entire vehicle and the reduction of consumables consumption under the premise of maintaining the size of the main parameters; secondly, the use of lightweight materials. Such as aluminum, magnesium, ceramics, plastics, glass fiber or carbon fiber composites, etc.; third: the use of computers for structural design. Such as the use of finite element analysis, local enhanced design, etc.; fourth: the use of load-carrying body, reduce the thickness of the body sheet and so on. Among these, light weight materials are used for major car lighter measures.

At the moment, in the face of the new energy field in full swing, automotive lightweight technology is also advancing with the times. Once insiders pointed out that the systematic application of high-strength steels, lightweight aluminum magnesium materials, and carbon fiber composite materials in new energy vehicles will effectively address the new energy vehicles' lightweight and safety, cost, manufacturing, and endurance capabilities. The contradiction between promotion and application will eventually become an important development opportunity for the automotive industry.

Automatic driving technology

During the performance, the robot's flexible dance movement surprised the audience and the robot interacted with the roller skate dancers, symbolizing the crossing from Pyeongchang to Beijing in 2022.

According to the robot R&D team, this is the first time that a new generation of intelligent robots in China has performed difficult dance moves in international competitions. Robots not only have to complete their own action schedules, but also perform linked performances with actors and ground projections.

The robot follows a predetermined procedure and walks the prescribed route to complete the prescribed action. It is not difficult to see that it is the same as the automatic driving technology of the automotive industry.

The so-called automatic driving means that vehicles rely on artificial intelligence, visual calculations, radar, monitoring devices and global positioning systems to cooperate and cooperate so that the computer can automatically and safely operate the motor vehicles without any human initiative.

The working principle of automatic driving can be seen as the vehicle using video cameras, radar sensors and laser range finder to understand the surrounding traffic conditions, and navigate the road ahead through an exhaustive map (a map acquired by a manned car). All this is achieved through relevant data centers, which can handle the vast amount of information the car collects about the surrounding terrain. In other words, a self-driving car is equivalent to a remote-controlled car or smart car in a data center, and one of the applications of the auto-driving technology Internet of Things technology.

In the development of autonomous driving technology, in order to better distinguish autonomous driving technology at different levels, SAE International has released a six-category classification system for automatic driving in 2014, which is 0, 1 and 2 respectively. , 3, 4, 5, a total of six levels.

At present, in the global market, many auto manufacturers including many new vehicle manufacturers are increasing R&D or cooperating in research and development of autopilot technology. Some manufacturers have even claimed that the autopilot technology used in their production vehicles has reached the L4 level. In the future, it remains to be seen how automatic driving technology will develop.

VR panoramic view car

It is worth mentioning that in the previous rehearsal, the "OpenGL Performance Support Training System" and the "Beijing 8-minute Performing Arts Performance Preview System" designed by the virtual visual team formed by Beijing Institute of Technology and Beijing Film Academy acted as the director. "Eye" and "Baton" in order to ensure a successful performance.

With virtual vision, it looks like it is high-end strange, but in fact this technology can be understood as VR technology.

VR Technology's initial design inspiration stemmed from the military flight simulator: the flight simulator connects the fuselage with controllers, engines, and other devices to help the pilot experience the feeling of flight before entering the real aircraft and arrange a more reasonable training plan. . From the military field to the people's lives, it took only a few short years before VR invaded all walks of life, medical care, education, shopping, and so on.

In the automotive field, some car companies have already launched new products such as VR test cars and VR smart showrooms to stimulate consumption. Breaking the barriers of time and space, consumers can walk through 4S stores without leaving home. Through smart showroom users can browse models, view preferential information, and compare the advantages of each store horizontally, so as to select a satisfactory model. This convenient and quick way of looking at cars saves the user's time cost and gives the consumer a good shopping experience.

In the future, with the continuous popularization and application of VR technology in the automotive field, it will also bring about tremendous changes for the automotive industry.

HUD Header Display Technology

While the robot's excellent performance is cheering and cheering, its large screen is also the focus of the audience. In order to fit the theme of the show, 24 large screens created an ice-screen effect like ice and snow (white snowflakes and transparent ice) to achieve transparent image display with more realistic and smarter effects.

It is reported that the single-screen size spans 1.5 meters, and the two screens are 3 meters long. At the same time, the longer the LED screen, the poorer the consistency of the color, which requires a higher specification, more perfect product.

"Ice screen" transparent image display, the effect is vivid and smart. In the automotive field, the HUD head-up display technology provided by some manufacturers is similar to the technology used by the “ice screen”.

The HUD head-up display system, also called parallel display system, refers to the driver-centered, blind-operation, multi-functional dashboard. When the vehicle is running normally, the HUD head-up display system will project the speed, navigation, and other data onto the windshield in front of the driver so that the driver can try not to bow or turn his head to see the speed, navigation, etc. Driving information. Improve the convenience and safety of driver's vehicle driving.

The HUD head-up display system works like a slide projection. The projector emits light information, which is reflected by the “mirror” to the “projection mirror” and then reflected by the “projection mirror” to the “windshield”. The human eye sees the virtual image at 2-2.5 meters in front of the eye, giving People feel that information is floating in front of the road. In actual use, the position of the HUD head-up display image on the windshield is adjustable, and the key to this is the “projection mirror”. By changing the angle of the “projection mirror”, the position of the HUD image can be adjusted.

Zhang Yimou's "Beijing 8 Minutes" is an imaginative vision of the future of a beautiful science and technology life. Then, in the automotive industry, these "black technologies" have appeared in our side. In the future, there will be more advanced technologies applied to automotive products. As soon as we think of this, we can't help but expect even more!