Vehicle Component Calibration via Parameter-Data Relationships
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Solution Overview
Problem
The calibration of vehicle components, particularly internal combustion engines, is complex and subjective, relying heavily on the estimates of test engineers, which can lead to inefficiencies and inaccuracies in initial data population, increasing development time and costs.
Innovation Solution
A method that identifies relationships between vehicle parameters and control data across variants to establish calibration functions, allowing for objective initial data population, reducing reliance on subjective assessments and enabling automated data population for new variants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If initial data population is performed based on test engineers' estimates and subjective assessments, then the calibration process can be initiated, but the accuracy and objectivity of the control data deteriorates
Solution Approach 1:
The patent copies control data from existing calibrated variants of the vehicle component. By identifying relationships between vehicle parameters and control data across multiple calibrated variants, the system automatically generates initial control data for new variants through data copying and adaptation, eliminating the need for subjective engineer estimates and significantly improving data accuracy and objectivity.
2Measurement precision
If manual calibration by highly qualified specialists is performed, then accurate control data can be obtained, but development time and costs increase
Solution Approach 1:
The calibration system performs self-service by automatically identifying relationships between vehicle parameters and control data, generating calibration functions, and populating control data for new variants without requiring manual intervention from highly qualified specialists. The system uses existing calibrated variants to automatically calibrate new variants, dramatically reducing both development time and the need for expert personnel while maintaining data quality.
Solution Approach 2:
The patent replaces the manual mechanical process of expert engineer calibration with an automated computational system. The system uses algorithms to identify parameter relationships, generate calibration functions, and populate control data automatically, substituting human expert judgment with objective mathematical relationships derived from existing calibrated variants.
3Reliability
If extensive testing and calibration iterations are performed to ensure proper data population, then reliability of vehicle component operation is improved, but the calibration complexity and resource requirements worsen
Solution Approach 1:
The system establishes feedback loops where control data from calibrated variants is continuously analyzed to identify and refine relationships between vehicle parameters and control data. The calibration functions are iteratively improved based on feedback from existing calibrated variants, ensuring high reliability of the populated control data while systematically reducing the need for extensive additional testing and calibration iterations.
Data Source
AI summary
The invention relates to a system and to a method for calibrating a controller of a vehicle component, in particular at least of one section of a drivetrain of a motor vehicle, preferably of an internal combustion engine, wherein control data, on the basis of which the vehicle component is controlled, are stored in the controller, and wherein the method comprises the following working steps: identifying at least one first vehicle parameter of a plurality of vehicle parameters of calibrated variants of the vehicle component, which parameter has different values for different calibrated variants, preferably a rated power, an emission value and/or a market specification; checking, if the calibrated variants differ in terms of the at least one first vehicle parameter, at least one portion of the control data of the calibrated variants for a relationship with the at least one first vehicle parameter; defining, if a relationship is detected, a calibration function for the at least one portion of the control data on the basis of the relationship with the at least one first vehicle parameter; determining control data of a variant, to be calibrated, of the vehicle component by means of the calibration function in accordance with the at least one first vehicle parameter; and outputting the determined control data, in particular to the controller of the vehicle component.