Soil compaction determination method for corn harvester operation based on real-time parameters of the machine

By constructing a soil compaction determination method based on the real-time parameters of the machine, combined with the track characteristics and soil response characteristics, dynamic monitoring and early warning of the soil compaction degree during the operation of the corn harvester are achieved, solving the problem of low accuracy in the existing methods, protecting black soil resources and improving the efficiency of agricultural mechanization operations.

CN119476040BActive Publication Date: 2025-09-19NORTHEAST AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202411880741.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-09-19
Estimated Expiration
2044-12-19

AI Technical Summary

Technical Problem

Existing soil compaction prediction methods fail to effectively consider driver-controllable dynamic indicators, resulting in low soil compaction prediction accuracy, affecting the ecological environment and agricultural production efficiency of black soil.

Method used

A soil compaction degree determination method for corn harvester operation based on real-time parameters of the machine is proposed. By collecting and standardizing characteristic data, a multivariate linear regression model and gradient optimization algorithm are constructed. Combined with the track characteristics and soil response characteristics, dynamic monitoring and early warning of soil compaction degree are achieved.

Benefits of technology

It improves the accuracy of soil compaction prediction and the timeliness of early warning, reduces the negative impact of mechanical operations on soil structure, protects black soil resources, and improves the environmental protection performance and efficiency of agricultural mechanized operations.

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Abstract

A method for determining soil compaction during corn harvester operation based on real-time parameters of the machine belongs to the technical field of agricultural mechanization and intelligent equipment, and specifically relates to a method for determining soil compaction. The purpose of the present invention is to solve the problem that the existing soil compaction prediction methods all consider soil indicators and the pressure of the machine itself, but do not consider the influence of dynamic indicators that the driver can independently control on soil compaction, resulting in low accuracy in soil compaction prediction. The process is: 1. Collect feature data training set; 2. Obtain standardized feature data training set; 3. Obtain optimal compaction degree prediction model; 4. Construct optimal comprehensive compaction degree model; 5. Construct optimal compaction warning model; 6. Construct optimal comprehensive compaction risk warning model; 7. Collect the feature data set to be tested, obtain the optimal comprehensive compaction degree model of the feature data set to be tested, output the comprehensive compaction degree value and risk warning level; 8. Push in real time on the screen.
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