Standardized Spectral Response Calibration for Spectroscopic Analyzers
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Solution Overview
Problem
Calibration of spectroscopic analyzers is a tedious and time-intensive process, and changes in components over time can alter spectral responses, necessitating recalibration, while multiple analyzers often yield inconsistent results, affecting reproducibility and consistency.
Innovation Solution
Methods and assemblies for determining and using standardized spectral responses to calibrate spectroscopic analyzers, involving analysis of multi-component samples and portfolio samples to establish a standardized analyzer spectra portfolio, reducing the need for extensive recalibration and ensuring consistent results across multiple analyzers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional calibration methods using hundreds or thousands of material samples are used to achieve desired accuracy, then measurement precision is improved, but loss of time and productivity deteriorate due to excessive down-time for calibration
Solution Approach 1:
The patent applies preliminary action by pre-determining standardized spectral responses for multiple analyzers before actual use. A reference analyzer is calibrated using a comprehensive set of material samples to establish baseline spectral responses, which are then stored as reference data. When other analyzers need calibration, instead of performing full calibration procedures, the system retrieves and applies the pre-established standardized spectral responses, dramatically reducing calibration time while maintaining accuracy consistency across all analyzers
Solution Approach 2:
The patent implements copying by creating standardized spectral response profiles from a reference analyzer and applying these copies to multiple other analyzers. The reference analyzer's spectral responses to various material samples are captured and stored as standardized templates. These templates are then copied and applied to calibrate additional analyzers, eliminating the need to repeat the extensive calibration process for each analyzer while ensuring consistent measurement accuracy across the analyzer fleet
2Productivity
If multiple spectroscopic analyzers are used in production facilities, then productivity is improved through enhanced monitoring and control capability, but measurement precision deteriorates due to inconsistent results between analyzers
Solution Approach 1:
The patent applies universality by establishing a universal reference standard that all spectroscopic analyzers in the facility can use. A single reference analyzer is calibrated against comprehensive material samples to create standardized spectral responses that serve as the universal truth for the entire facility. All other analyzers are aligned to this universal standard, ensuring that regardless of which analyzer is used, the results are reproducible and consistent, enabling reliable multi-analyzer deployment across the production facility
Solution Approach 2:
The patent uses an intermediary approach by introducing a reference analyzer and its standardized spectral responses as a mediator between multiple production analyzers. The reference analyzer acts as the intermediary that translates and harmonizes measurements across different analyzers. By comparing all analyzers against the reference standard and applying correction factors, the system ensures that results from any analyzer can be reliably compared and integrated, enabling consistent multi-analyzer operation
3Productivity
If spectroscopic analyzers operate over extended periods, then productivity is improved, but measurement precision deteriorates due to component degradation and spectral response changes
Solution Approach 1:
The patent applies preliminary action by pre-establishing standardized spectral responses for various material samples using a reference analyzer. These standardized responses are determined in advance and stored as reference data. When analyzers operate over extended periods and their spectral responses drift due to component degradation, the system can retrieve the pre-established standardized responses and apply corrections, allowing continuous operation without frequent recalibration while maintaining measurement precision
Solution Approach 2:
The patent implements feedback by continuously comparing analyzer spectral responses against the pre-established standardized responses from the reference analyzer. When deviations are detected due to component degradation or drift, the system uses the standardized reference data to calculate correction factors and adjust the analyzer readings accordingly. This feedback mechanism ensures that even as analyzers operate continuously and components age, the measurement precision is maintained through ongoing comparison and correction against the stable reference standard
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
Enhances accuracy, reproducibility, and consistency of spectroscopic analyzer results by reducing the time and sample requirement for calibration, allowing multiple analyzers to output consistent material properties.
Implementation Method 1
The spectral response may include a spectrum related to the absorbance, transmission, transflectance, reflectance, or scattering intensity caused by the material sample over a range of wavelengths
Implementation Method 2
The spectral response may include a spectrum related to the absorbance, transmission, transflectance, reflectance, or scattering intensity caused by the material sample
Data Source
AI summary
Methods and assemblies may be used for determining and using standardized spectral responses for calibration of spectroscopic analyzers. The methods and assemblies may be used to calibrate or recalibrate a spectroscopic analyzer when the spectroscopic analyzer changes from a first state to a second state, the second state being defined as a period of time after a change to the spectroscopic analyzer causing a need to calibrate or recalibrate the spectroscopic analyzer. The calibration or recalibration may result in the spectroscopic analyzer outputting a standardized spectrum, such that the spectroscopic analyzer outputs a corrected material spectrum for an analyzed material, and defining the standardized spectrum. The corrected material spectrum may include signals indicative of material properties of an analyzed material, the material properties of the material being substantially consistent with material properties of the material output by the spectroscopic analyzer in the first state.