Radiation Mass Measurement Correction for Environmental Drift

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Solution Overview

Problem

Current methods for measuring mass parameters of workpieces using radiation suffer from low accuracy due to environmental factors influencing radiation transmittance, leading to deviations in calculated mass parameters from actual values.

Innovation Solution

A measurement method and apparatus that corrects the measured mass parameter using a displacement curve function, which characterizes the influence of environmental factors on radiation transmittance in the measurement environment, thereby improving accuracy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If mass parameter is calculated based solely on radiation intensity and radiation attenuation coefficient after rays pass through the workpiece, then the measurement process is simple, but the measurement accuracy decreases due to environmental factor influences

Engineering Contradiction:
Improvemass parameter measurement accuracyVSAvoidmeasurement process complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent applies preliminary action by pre-establishing a displacement curve function that characterizes environmental factor influences on radiation transmittance. This function is determined before actual measurements and used to correct measured mass parameters, thereby eliminating environmental interference without adding complex real-time correction mechanisms during measurement.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent introduces a displacement curve function as an intermediary element between the radiation measurement system and environmental factors. This function serves as a correction model that accounts for environmental influences on radiation transmittance, allowing accurate mass parameter calculation without directly complicating the measurement apparatus.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Measurement precision

If environmental factors are considered in the measurement, then measurement accuracy improves, but the measurement process becomes more complex

Engineering Contradiction:
Improvemass parameter measurement accuracyVSAvoidmeasurement process simplicity
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The displacement curve function is pre-determined to characterize environmental factor influences, allowing operators to simply apply this pre-established correction model without performing complex environmental adjustments during measurement operations.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent transforms the complex problem of environmental factor consideration into a parameter-based solution by using the displacement curve function, which encapsulates environmental influences as a correctable parameter relationship, simplifying the operational process while maintaining accuracy.

Inventive Principle:
Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The method enhances the accuracy of measured mass parameters by considering the impact of environmental factors, resulting in values closer to or consistent with actual mass parameters.

Implementation Method 1

the measurement of mass parameters such as thickness, weight, and surface density of the workpiece being measured can be realized according to the principle of ray attenuation as rays pass through an object

Methodology Applied
Scientific EffectRadiation attenuation: Absorption (EM radiation)

Data Source

PatentEP4307014B1Measurement method, apparatus, and ray measurement device
Publication Date: 2025.04.23 CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
  • EP4307014B1 patent drawingFigure 1
  • EP4307014B1 patent drawingFigure 2~3
  • EP4307014B1 patent drawingFigure 4~6

AI summary

This application discloses a measurement method and apparatus, and a radiation measuring device, and relates to the field of battery technologies. The method includes: determining a measured mass parameter of a workpiece being measured based on radiation intensity of rays that have passed through the workpiece being measured; and correcting the measured mass parameter by using a displacement curve function of the workpiece being measured in a measurement environment, to obtain the corrected mass parameter of the workpiece being measured, where the displacement curve function is used to characterize influence of environmental factors on radiation in the measurement environment.