Intelligent Headlamp Control Layout for Low-Latency Projection
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Solution Overview
Problem
The link topology of intelligent headlamps in vehicles is complex, leading to long data transmission links and significant delays, which limits the implementation of high-level autonomous driving and compromises user experience.
Innovation Solution
A vehicle system comprising at least one sensor, an intelligent driving control unit, and a drive projection apparatus, where the sensor generates external environment data, which is processed by the intelligent driving control unit to create projection image data, and transmitted to the drive projection apparatus for output, thereby simplifying the link topology and reducing data transmission delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the conventional data transmission link (camera→CDC→SoC→serializer→DMD) is used, then the intelligent headlamp can output projection images, but the link topology becomes complex and data transmission delay increases
Solution Approach 1:
The patent merges the CDC and SoC into a single intelligent driving control unit. The sensor connects directly to the intelligent driving control unit, which processes data and outputs projection image data directly to the DMD, eliminating the need for separate CDC and SoC components and their complex interconnections.
Solution Approach 2:
The patent extracts and eliminates the serializer component from the data transmission chain. By using the intelligent driving control unit to directly generate and output projection image data, the patent removes the serializer step, simplifying the overall link topology.
2Reliability
If the conventional data transmission link (camera→CDC→SoC→serializer→DMD) is used, then the intelligent headlamp can output projection images, but the data transmission delay becomes large
Solution Approach 1:
The patent merges the CDC and SoC into a single intelligent driving control unit, reducing the number of data transmission steps. The sensor connects directly to the intelligent driving control unit, which processes data and outputs projection image data directly to the DMD, significantly shortening the data transmission path and reducing delay.
Solution Approach 2:
The intelligent driving control unit performs preliminary processing of sensor data to generate projection image data directly, eliminating the need for subsequent processing steps by the SoC and serializer. This preliminary action reduces the overall processing time and data transmission delay.
Data Source
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AI summary
A vehicle, a vehicle control method, and an intelligent driving control unit are provided. A vehicle (100, 300) includes at least one sensor (310), an intelligent driving control unit (320), and a drive projection apparatus (330). An output end of the at least one sensor is coupled to an input end of the intelligent driving control unit, and a first output end of the intelligent driving control unit is coupled to a first input end of the drive projection apparatus. The at least one sensor generates external environment data based on an external environment of the vehicle, and sends the external environment data to the intelligent driving control unit. The intelligent driving control unit generates projection image data based on the external environment data, and sends the projection image data to the drive projection apparatus. The drive projection apparatus outputs a projection image based on the projection image data. This vehicle resolves problems that a link topology of an intelligent headlamp in the vehicle is complex, a data transmission link is long, and a data transmission delay is large.