Vehicle Interior Sensor Simulation for Occupant Monitoring
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Solution Overview
Problem
Existing procedures for checking vehicle functions within the vehicle interior lack comprehensive and accurate simulation capabilities, particularly in terms of occupant movements and sensor data generation.
Innovation Solution
A 3D computer simulation procedure is employed to provide a holistic view of vehicle functions by accurately simulating vehicle occupants, interior environments, and sensor interactions, allowing for the comprehensive testing of various vehicle systems and safety features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If comprehensive 3D computer simulation is used to simulate vehicle occupants, interior environments, and sensor interactions, then measurement precision and reliability of vehicle function testing are improved, but device complexity and computational resources required increase
Solution Approach 1:
The patent uses virtual copies of vehicle occupants, interior environments, and sensors in a 3D computer simulation to replicate real-world conditions. These digital twins allow comprehensive testing of vehicle functions with high measurement precision without requiring physical prototypes or extensive real-world testing, thus improving accuracy while managing complexity through virtual replication.
Solution Approach 2:
The simulation system performs preliminary testing and validation of vehicle functions in a virtual environment before actual deployment. By conducting comprehensive tests including occupant movements, sensor interactions, and edge cases in advance, the system identifies and resolves issues beforehand, improving measurement precision while reducing the need for complex iterative physical testing.
2Productivity
If real-time simulation of vehicle functions is implemented, then productivity and testing speed are improved, but computational power and energy consumption increase
Solution Approach 1:
The simulation system employs periodic updating of occupant positions, sensor states, and environmental conditions rather than continuous full recalculation. By updating only changed parameters and using incremental simulation steps, the system maintains real-time testing speed while significantly reducing computational energy consumption compared to continuous full-scope simulations.
3Reliability
If holistic simulation of multiple sensors and vehicle systems is performed, then reliability of function testing is improved, but device complexity and data processing requirements increase
Solution Approach 1:
The patent segments the complex vehicle system into modular components including individual sensor models, occupant models, and environment models that can be independently configured and tested. This modular segmentation allows comprehensive holistic testing of multiple systems while managing complexity through standardized interfaces and independent validation of each module.
Data Source
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AI summary
The invention relates to a method for verifying vehicle functions (5) for the interior of a vehicle (7), wherein the vehicle functions (5) process sensor data from at least one sensor (9) arranged in the interior of the vehicle (7). According to the invention, the sensor data of the at least one sensor (9) arranged in the interior of the vehicle (7) are generated by simulation (2) of the at least one sensor (9) using an environment model (11) for the virtual typification of the exterior of the vehicle (7), a vehicle model (12) for the virtual typification of the vehicle (7), and an interior model (14) for the virtual typification of the interior of the vehicle (7).