In the automotive field, as we all know, "off-road performance" and "road driving", "comfort" and "handling" have always been unable to coexist, so for everyone to buy a car, whether to choose home comfort, or sports control, or to achieve off-road performance, has always been a difficult problem, it seems that while choosing one, the other experience will be abandoned.
Nowadays, in the face of the rapid development of society, we have more and more scenarios for the use of automobiles, so the requirements for automotive technology are getting higher and higher, and it is difficult to meet the needs of vehicle use by developing a single system alone. After five years and billions of yuan of full-stack self-research and development, BYD launched the industry's first new energy-exclusive intelligent body control system - Yunlin (hereinafter referred to as "Yunlin System").
The architecture of the cloud chariot - "see", "break", "move".
What is the architecture of the intelligent body control system?
To give an easy-to-understand example, let's say we have a dish in front of us, we first see it with our eyes, and then we smell it with our noses. This information is transmitted to our brain, which judges that it is a delicacy. Then it was passed to the motor center, which ate it. The first step in this process is "looking";The second step is "break";The third step is "Move".
The same is true for the architecture of the intelligent body control system. It can be divided into three parts.
The first part is "looking" -- the cloud chariot preview system, the cloud chariot fusion perception.
The Yunlun preview system uses binocular cameras and lidar technology to identify structured road surfaces and obstacles ahead, and the cloud-based fusion perception starts from the five dimensions of people, vehicles, roads, clouds, and systems, and realizes all-round perception through 50+ sensors, so that the vehicle can grasp environmental changes in real time.
The second part is "broken" -- Yunyuan Intelligent Computing Center.
The information obtained from the first part comes to the "central nervous system" of the intelligent body control system. Relying on BYD's in-depth intelligent fusion technology, the cloud computing center can retrieve the signal data of the vehicle perception layer, and through the cloud algorithm, it can perform high-speed calculations on road conditions, body attitudes, wheel loads and other information, and output the best control strategy in real time.
The third part is "moving" - Yunyuan intelligent control technology.
Combined with the above two steps to transmit to the vehicle, through the "cloud chariot body control technology", "yun chariot collaborative control technology", "yun chariot interactive control technology" and so on to achieve the corresponding action.
The intelligent body control system is composed of the intelligent exploration architecture, the intelligent computing center, the intelligent control technology and key components, giving full play to the electrification and intelligent advantages of new energy vehicles, and building a complete system architecture of perception, decision-making and execution.
How is the Yunlin system used in the product?
1. It can be "hard" or "soft" - Yunlin-C intelligent damping body control system.
When running on the highway, we all hope that the chassis is harder, so that the roll of the vehicle is reduced, so as to get a better driving experience, and when encountering bad roads, gravel roads, and undulating roads, the hard chassis will make the people in the car very embarrassed, and there is no comfort at all, so the chassis needs to be softer.
The Yunlin-C realizes the stepless adaptive adjustment of the damping by controlling the shock absorber solenoid valve to adjust the damping. It breaks the limitation of the traditional passive suspension tuning. So as to realize the chassis can be adjusted hard and soft. While satisfying comfort, it can also take into account the handling.
Today, the models equipped with the Yunlin-C system are: BYD Song L, BYD Han, BYD Tang, Denza D9, and Denza N8
Second, it can be "high" or "low" - Yunlin-A intelligent air body control system.
By controlling the air spring intake and exhaust, stiffness conversion valve, shock absorber solenoid valve, etc., the Yunlin-A adjusts the height, stiffness and damping to realize the dynamic adjustment of the body control, so that the vehicle has the ultimate comfort, stability, support and passability.
When encountering speed bumps and continuous potholes, the air spring + damping continuously adaptively adjusts, so that the body is as stable as Mount Tai and as flat as walking on the ground.
When encountering floor oil, sudden braking, and congested roads, ICCT - Intelligent Comfort Control, through the coordinated control of suspension, braking, and drive system coordination, improves ride comfort, and bids farewell to the vehicle and nods up.
It can also lower the center of gravity of the body at high speeds to improve driving stabilityRaise the chassis to obtain greater ground clearance and improve vehicle passability.
Today, the models equipped with the Yunlin-A system are: Denza N7
3. Fearless terrain - Yunlin-p intelligent hydraulic body control system.
The Yunlin-P intelligent hydraulic body control system, through the accurate perception technology of the cloud, makes quick decisions with the Yunlin intelligent computing center, outputs the control strategy, and controls the oil intake of the shock absorber, the damping control valve, and the stiffness control valve to realize the dynamic adjustment of the body control. Yunlin-P integrates the three core technologies of mechanical, hydraulic and electronic control, and is the world's first intelligent hydraulic body control system. It has innovative functions of four-wheel linkage and camping adjustment to meet the ultimate off-road needs of users.
In the wilderness, obstacle crossing, wading water, ultra-long suspension adjustment stroke can easily deal with, take the road that others can't walk, and pass the hurdle that others can't pass.
Today, the models equipped with the Yunlin-P system are: Yangwang U8, Formula Leopard Leopard 5, Formula Leopard Leopard 8
Summary: From the above aspects, BYD has broken the fragmented development model, and today's Yunyuan system is better than that of vehicles equipped with passive suspension systems in all aspects. Yunyuan technology brings upgraded safety capabilities to the whole vehicle.
In the entire automotive industry, the advent of the Yunlin system not only broke the technical barriers of domestic and foreign car companies in chassis and body control, but also filled the technical gap in the domestic market, marking that BYD has become the first vehicle company in the industry to master the new energy intelligent body control system. Achieve a breakthrough from "0 to 1". And surpass the advanced level of the industry to achieve the improvement of "from 1 to 2".
For consumers, they can also enjoy the pleasant driving experience brought by the intelligent body control system in a more cost-effective way.