Soil Composition Analysis Using Combined Samples and Inversion
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Solution Overview
Problem
Traditional soil composition analysis methods require a large number of samples, making them time-consuming and costly, and existing approaches do not effectively reduce the number of samples needed for accurate representation of soil characteristics.
Innovation Solution
The method involves segmenting a soil area into cells, collecting and homogenizing initial soil samples, combining portions of these samples to create multiple combined samples, analyzing their composition, and using mathematical inversion to determine the soil composition of the initial samples and cells, thereby reducing the number of samples needed for analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional soil composition analysis methods are used with multiple individual samples, then measurement precision is improved, but the quantity of samples and analysis cost increase significantly
Solution Approach 1:
The patent combines multiple individual soil samples into composite samples where each composite contains portions from several original samples. This merging approach allows the analysis of fewer composite samples instead of analyzing each original sample separately, thereby reducing the total number of analyses required while maintaining representative accuracy of the soil composition data.
Solution Approach 2:
Instead of analyzing each individual sample separately and then aggregating results, the patent inverts the approach by creating composite samples first and then analyzing these composites. The mathematical model then inverts the aggregation process to derive individual sample characteristics from the composite measurements, effectively reversing the traditional analysis sequence to reduce total analysis quantity.
2Measurement precision
If multiple individual soil samples are collected and analyzed separately, then measurement precision is improved, but loss of time and analysis cost increase
Solution Approach 1:
By merging multiple individual soil samples into composite samples, the patent reduces the number of separate analysis operations required. Instead of performing multiple individual analyses sequentially, the method performs fewer analyses on composites, thereby reducing total time expenditure while maintaining analytical accuracy through the composite representation of multiple samples.
Solution Approach 2:
The patent performs preliminary action by creating composite samples before conducting the analysis. This preliminary combining step allows subsequent analysis to be performed on fewer samples, reducing the time required for the actual analysis phase. The composite creation is done in advance to enable efficient batch processing and reduce overall analytical time.
3Measurement precision
If a large number of soil samples are collected to represent soil characteristics, then measurement precision is improved, but device complexity and operational difficulty increase
Solution Approach 1:
The patent simplifies the sample collection and processing system by merging multiple individual samples into composite samples. This reduces the complexity of the analysis system from handling numerous individual samples to managing fewer composite samples. The composite structure maintains representational accuracy while reducing the operational complexity of sample management, collection, and analysis processing.
Data Source
AI summary
A method for soil composition analysis includes collecting initial soil samples from cells of a soil area; homogenizing the collected initial soil samples; combining the homogenized initial soil samples from at least two cells to produce combined soil samples such that each cell is represented in at least two separate combined samples; analyzing soil composition of the combined samples; and performing mathematical inversion (for example, tomographic) to determine soil composition of the initial soil samples and/or the corresponding cells. The method can further include using the composition of the original samples to determine composition of the adjacent soil areas. The samples can be collected over a soil area represented as a 2D or 3D grid (wherein the cells of the grid can be of uniform or nonuniform size and/or shape). Analyzing the composition of the soil can include physical, chemical and/or biological aspects of the soil area.


