Calibration Module for Engine Actuator Control Accuracy
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Solution Overview
Problem
Current engine control module calibration systems require significant downtime and capital expenditures to adjust settings, as changing inputs or calculation methods necessitates software changes, limiting flexibility and efficiency in actuator control.
Innovation Solution
A control module calibration system that includes a calibration module allowing users to select from predetermined options for calibrating base compensation values and compensation coefficients, determining target actuator values through sum or product calculations, and controlling actuators based on these settings, enabling more desirable control without software changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If software changes are made to adjust control module inputs or calculation methods, then actuator control accuracy is improved, but system downtime and capital expenditures increase
Solution Approach 1:
The system allows dynamic adjustment of calibration parameters (base compensation values and compensation coefficients) through a calibration module without requiring software changes. Users can modify these parameters to optimize actuator control accuracy for different operating conditions, resolving the contradiction by enabling precision improvement through parameter tuning rather than software reconfiguration.
Solution Approach 2:
The calibration module enables dynamic adjustment of control parameters during system operation. The system transitions from static software-defined parameters to dynamically adjustable parameters that can be modified without downtime, allowing the control module to adapt to varying operational requirements while maintaining accuracy.
2Measurement precision
If software changes are made to adjust control module inputs or calculation methods, then actuator control accuracy is improved, but capital expenditures increase
Solution Approach 1:
Instead of requiring expensive software development and deployment to improve actuator control accuracy, the system provides a calibration module that allows users to adjust base compensation values and compensation coefficients. This parameter-based approach eliminates the need for costly software changes while achieving the same accuracy improvements.
Solution Approach 2:
The calibration module enables end-users to perform self-calibration of the control module without requiring software vendors or system integrators to make changes. This self-service capability reduces dependency on external software modification services, thereby reducing capital expenditures while maintaining the ability to improve control accuracy.
3Reliability
If control module parameters are fixed through software, then system reliability is improved, but system flexibility and adaptability decrease
Solution Approach 1:
The system combines the reliability of fixed software parameters with the flexibility of dynamic adjustment through the calibration module. The calibration module allows users to adapt parameters for different operating conditions while maintaining the stable foundation of the underlying control software, thus achieving both reliability and adaptability.
Solution Approach 2:
The system separates fixed software components from adjustable calibration parameters. The core control software remains fixed and reliable, while the calibration module provides a segmented, adjustable layer that enables flexibility. This segmentation allows the system to maintain reliability from the fixed software while gaining adaptability through parameter adjustment.
Data Source
AI summary
A base determination module determines a base value based on a base value input. A compensation determination module determines a base compensation value based on a base value input. A compensation coefficient determination module determines a compensation coefficient based on a compensation coefficient input. A multiplier module determines a compensation value based on a product of the base compensation value and the compensation coefficient. A target module determines a target value based on the base value and the compensation value and controls an actuator based on the target value. A calibration module selectively displays predetermined options for calibrating one of the base compensation value input and the compensation coefficient input and sets the one of the base compensation value input and the compensation coefficient input to a selected one of the predetermined options.