SCE

CDC suspension system 
Based on the former passive shock absorber suspension system, CDC suspension system outputs the control instruction of shock absorber solenoid valve via the ECU logic operation of controller according to the input of different road excitation and vehicle CAN signals, so as to achieve adaptive adjustment of shock absorber damping force and hardness of vehicle suspension. By matching with the vehicle performance, it makes the vehicle to achieve the most ideal operating stability and comfort performance. 
DP-EPS
DP-EPS：
Rack force: 10KN~13KN 
Full redundancy + partial redundancy of hardware; 
Double winding motor 
Meet AUTOSAR software architecture 
Support L2+/L3 automatic driving 
Support network security hardware encryption 
ECAS suspension system 
ECAS suspension system, also known as air suspension system, is a suspension form widely used in high-end models. The airbag filled with high-pressure gas is used to replace the traditional suspension spring, overcoming the limitation of the traditional suspension system on the performance improvement. It can control the rigidity of the suspension system and the height of the vehicle body according to different road conditions, loads and driving speeds, so as to improve the maneuverability and trafficability of the vehicle. 
 
IBCU
IBCU：
1. Highly integrated braking solution: lightweight, smaller layout space, less installation workload, lower operation and management cost, no additional cost to solve the P gear locking problem. 
2. Energy saving and emission reduction: no need of vacuum source, energy recovery speed ≥0.3g, energy recovery rate of 13%~20%, and increase of endurance mileage. 
3. Customer experience: fast braking response (dynamic response time ≤150ms), high-precision pressure fluctuation control, excellent pedal consistency, support of multi-pedal mode, low noise, and superior ride comfort. 
4. Driving safety: system function safety level of ASIL D, dual-control EPB function integrated, and mechanical backup deceleration ≥0.5g. 
5. Function expansion: support customized distributed function development. Redundant module interfaces are reserved to expand the demand for automatic driving above L3 level. 
P-EPS
P-EPS：
Rack force: 8-12KN 
Full redundancy + partial redundancy of hardware 
Double winding motor 
Meet AUTOSAR software architecture 
Support L2+/L3 automatic driving 
Support network security hardware encryption 
SDA integrated die-casting rear floor 
 
SDA integrated die-casting front cabin & rear floor is successfully produced by 7000t large intelligent integrated die-casting unit, replacing the traditional stamping + welding process. 
a. High integration: 
The integrated die-casting front cabin integrates the original 73 steel parts into one, and the integrated die-casting rear floor integrates 90 parts into one. Therefore, it saves parts and reduces the manufacturing cost. The overall weight reduction of the parts is more than or equal to 20%. 
b. High production efficiency: Significantly reduce manufacturing time from 2 hours to 90-110 seconds, and reduce the manufacturing cost and carbon emissions. 
c. Heat-treatment-free material: 
The matching of strength, toughness and casting performance of the self-developed heat-treatment-free material is good. Parts do not need heat treatment, saving energy consumption and time required for heat treatment of products and avoiding product deformation caused by heat treatment. The size is more accurate. 
SDA integrated die-casting front cabin 
Slide plate chassis 

Case presentation

Slide plate chassis:
The most cutting-edge control architecture, namely, three-in-one control architecture of chassis domain, power domain and battery domain is used. The domain control system CCU uniformly issues the vehicle control instructions, and the distributed drive system, distributed steering system, braking system and battery system receive and execute the instructions to finally complete the vehicle action.
The domain control architecture created by CHANGE fully meets the chassis requirements of future intelligent vehicles and provides the key system for active domain technological innovations such as autonomous driving and driverless driving. It solves the irreconcilable contradiction between the steering stability performance and the ride in the current traditional chassis, and achieves the driving performance target which is beyond the reach of the traditional chassis: the steering performance is improved by more than 60%, and the ride is improved by more than 40%. It solves the problem of contradictory control for independent development due to the strong coupling relationship of software and hardware of each electric control subsystem. The domain control is used for unified and coordinated control, so as to achieve the optimal performance of the whole vehicle.