ADAS Sensor Calibration With Integrated Vehicle Attitude Alignment
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Solution Overview
Problem
Current methods for calibrating ADAS sensors in vehicles require separate equipment for checking vehicle attitude and calibration, which can be time-consuming and may not be feasible in all workshops, potentially compromising vehicle safety.
Innovation Solution
A method and apparatus that integrate the steps of deriving vehicle attitude parameters and calibrating ADAS sensors, using a control unit to position a support structure and communicate with the vehicle's electronic control unit for precise alignment and calibration, allowing for a single, efficient procedure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate equipment for checking vehicle attitude and calibrating ADAS sensors is used, then each function can be performed with dedicated equipment, but the procedure time increases and workshop feasibility decreases
Solution Approach 1:
The patent combines the attitude checking system and ADAS sensor calibration system into a single integrated system. The control unit receives data from both the attitude checking device and the ADAS sensor, processes them together, and determines whether calibration is needed based on the attitude parameters. This merging eliminates the need for separate sequential procedures while maintaining the reliability of both functions.
Solution Approach 2:
The integrated system performs multiple functions: it checks vehicle attitude parameters, determines calibration needs, and calibrates ADAS sensors all through a single system. The control unit universally handles both attitude assessment and calibration control, making the system adaptable to different workshop configurations without requiring specialized separate equipment.
2Reliability
If separate equipment for attitude checking and ADAS calibration is used, then each system can be optimized independently, but device complexity and workshop requirements increase
Solution Approach 1:
The patent merges the attitude checking device and ADAS calibration device into one integrated apparatus. The control unit consolidates the processing logic for both attitude assessment and calibration control, reducing the number of separate systems needed while maintaining the functional capabilities and accuracy of both operations.
Solution Approach 2:
The integrated system is designed to perform multiple functions through a single control unit that can assess attitude parameters and execute calibration procedures. This multi-functionality reduces device complexity by eliminating redundant components and interfaces that would exist if separate systems were used.
3Productivity
If a unified system for attitude checking and ADAS calibration is implemented, then procedure time is reduced and workshop accessibility improves, but the system must handle multiple functions simultaneously
Solution Approach 1:
The patent combines attitude checking and ADAS calibration into a single integrated system that operates in one procedure. The control unit processes attitude data and controls calibration sequentially within the same system, improving productivity by eliminating the need for separate procedures and equipment setup while managing system complexity through unified control logic.
Data Source
AI summary
A method for calibrating an ADAS sensor of an advanced driver assistance system of a vehicle (9) comprises the following steps: (A) deriving an attitude parameter of the vehicle (9); receiving the derived attitude parameter in a control unit (11); (B) comparing the derived attitude parameter with a corresponding reference parameter; (C) aiding with the positioning of a support structure (3) near the service area (8), where a calibration device (41) is mounted on the support structure (3); sending a calibration command from the control unit (11) to an electronic control unit (95) of the vehicle (9) to determine an interaction between the ADAS sensor and the calibration device (41); processing data received from the electronic control unit (95) of the vehicle (9) in the control unit (11).