Universal Vehicle Sensor Calibration System with Rotating Turntable
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Solution Overview
Problem
Existing vehicle sensor systems, particularly in ADAS, require frequent recalibration due to wear and tear or misalignment, and current methods are inefficient for accommodating diverse vehicle types and sensor configurations.
Innovation Solution
A system and method using a plurality of calibration targets and a vehicle centering system, including a turntable, to accurately align and calibrate sensors on various vehicles by positioning them relative to fixed or movable targets based on vehicle category, utilizing a computer system for precise orientation and calibration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple separate calibration setups are used for different vehicle types, then each vehicle type can be calibrated accurately, but the system complexity and time required for calibration increase significantly
Solution Approach 1:
The patent implements a universal calibration system where a single calibration setup can accommodate multiple vehicle types through the use of adjustable positioning mechanisms and programmable control. The system uses a controller that can be programmed with calibration parameters for different vehicle makes, models, and sensor configurations, allowing one physical setup to perform multiple calibration functions that previously required separate dedicated setups for each vehicle type.
2Adaptability or versatility
If traditional manual calibration methods are used for each vehicle, then flexibility to handle different vehicle types is maintained, but calibration time and productivity are reduced
Solution Approach 1:
The calibration system incorporates self-service capabilities through automated positioning mechanisms and controller-programmed calibration sequences. The system can automatically determine the required calibration parameters based on vehicle identification, retrieve appropriate calibration data from storage, and execute the calibration process without requiring manual intervention for each vehicle type, thereby maintaining adaptability while significantly improving calibration speed and productivity.
3Reliability
If sensors are recalibrated frequently to maintain accuracy, then measurement reliability is improved, but loss of time and operational efficiency decrease
Solution Approach 1:
The system implements preliminary action by pre-programming calibration parameters and procedures for various vehicle types into the controller before calibration is actually needed. Calibration data, positioning information, and procedural sequences are stored in advance, allowing the system to quickly execute recalibration when needed without requiring time-consuming manual setup or configuration, thus maintaining high reliability while minimizing calibration time loss.
Data Source
AI summary
A system and method of calibrating sensors of a vehicle includes providing a plurality of targets for calibration of sensors of equipped vehicles from a plurality of vehicle categories, where each vehicle category defines locations of at least one sensor on a vehicle of the vehicle category, orienting a vehicle into a reference position on a vehicle platform, and moving the vehicle based on the vehicle category of the oriented vehicle to align the plurality of targets with the sensors for calibrating the sensors.