Multivariate Optical Element Real-Time Material Analysis

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Solution Overview

Problem

Conventional systems face challenges in accurately measuring light intensity due to interfering factors, leading to inaccurate estimation of material properties, and require expensive and sensitive detectors for precise spectral analysis, making them impractical for real-time monitoring in industrial applications.

Innovation Solution

The use of multivariate optical elements and real-time processing methods to analyze light signals from samples, allowing for fast and accurate determination of material properties by blending materials with a secondary material, illuminating them, and detecting the reflected light through multivariate optical elements to determine properties in real-time.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional spectral analysis systems are used to achieve accurate material property measurement, then measurement precision is improved, but device complexity and cost increase due to expensive detectors and complex instrumentation

Engineering Contradiction:
Improvematerial property measurement accuracyVSAvoidinstrumentation complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent extracts and removes the complex and expensive spectral analysis components (detectors, spectrographs, computers) from the measurement system. Instead of using these complex instruments to analyze light spectra, the invention uses simpler multivariate optical elements that directly encode material property information into light intensity measurements, eliminating the need for complex spectral analysis hardware.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces expensive, sensitive detectors with simpler, more robust detection systems. The multivariate optical elements are designed to work with conventional, less expensive detectors that do not require the same level of sensitivity or environmental control, thereby reducing overall system cost and complexity while maintaining measurement accuracy.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Measurement precision

If conventional spectral analysis methods are used to achieve accurate measurement, then measurement precision is improved, but measurement time increases making real-time monitoring impractical

Engineering Contradiction:
Improvematerial property measurement accuracyVSAvoidmeasurement time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent performs preliminary action by pre-encoding the spectral information and material property relationships into the multivariate optical elements during their fabrication. The optical elements are designed in advance with specific spectral transmission characteristics that directly correlate to material properties, so that during measurement, no complex real-time spectral analysis is needed—only simple intensity detection is required, enabling real-time monitoring.

Inventive Principle:
Principle #10Preliminary action

3Device complexity

If simple light intensity measurement is used to reduce device complexity, then device complexity is reduced, but measurement precision deteriorates due to interfering factors in the light signal

Engineering Contradiction:
Improveinstrumentation simplicityVSAvoidmaterial property measurement accuracy
Core Design Contradiction:
Device complexityVSMeasurement precision

Solution Approach 1:

The patent introduces multivariate optical elements as an intermediary between the light source and the detector. These optical elements act as a mediator that encodes multiple spectral channels into a single light beam, allowing simple intensity detection to yield information that would otherwise require complex spectral analysis. The intermediary transforms the measurement problem from one requiring complex detection to one solvable with simple detection.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

Enables fast and accurate real-time monitoring of material properties, reducing measurement time to less than a second and simplifying instrumentation, making it suitable for high-speed industrial processes without the need for expensive detectors.

Implementation Method 1

When light interacts with matter, for example, it carries away information about the physical and chemical properties of the matter. A property of the light, for example, its intensity, may be measured and interpreted to provide information about the matter with which it interacted.

Methodology Applied
Scientific EffectLight-matter interaction: Absorption Spectroscopy

Implementation Method 2

reflecting light carrying information about the blended materials through at least one multivariate optical element

Methodology Applied
Scientific EffectLight reflection: Reflection

Data Source

PatentUS8358418B2Optical analysis system for dynamic real-time detection and measurement
Publication Date: 2013.01.22 HALLIBURTON ENERGY SERVICES INC
  • US8358418B2 patent drawing
  • US8358418B2 patent drawing
  • US8358418B2 patent drawing

AI summary

A method of real-time processing and monitoring comprises the steps of blending a material of interest (e.g., an active pharmaceutical material), with a secondary material, (e.g., an excipient), illuminating the blended materials with light, reflecting light carrying information about the blended materials through at least one multivariate optical element (148) and detecting said light with a first detector (152), detecting a deflected portion of the information carrying light with a second detector (156), and determining in real-time at least one selected property of the blended materials based on the detector outputs.