Baler Moisture Sensing Using Bale Weight and Dry Matter Density
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Accurate measurement of bale moisture content during the baling process is crucial for preventing mold and microbial growth in stored hay, but existing methods are inadequate for real-time monitoring and adjustment.
Innovation Solution
A baler implement equipped with sensors to measure bale dimensions, dry matter density, and weight, combined with a controller to calculate bale volume, dry matter weight, and moisture content, allowing for real-time moisture percentage determination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If moisture measurement is performed using existing methods, then moisture content can be determined, but real-time monitoring and adjustment capability is insufficient
Solution Approach 1:
The moisture measurement process is segmented into multiple independent measurement stages (initial moisture measurement, intermediate moisture measurements during compression, final moisture measurement) rather than using a single measurement method. This allows continuous monitoring throughout the baling process while maintaining measurement accuracy through multiple data points.
Solution Approach 2:
The system implements feedback control by continuously measuring moisture content at different stages of baling and using this information to adjust compression force and provide real-time alerts to operators. The controller receives moisture data from sensors and adjusts baling parameters dynamically to maintain optimal moisture levels.
2Measurement precision
If multiple sensors are added to measure bale dimensions, density, and weight, then measurement accuracy improves, but device complexity increases
Solution Approach 1:
The controller serves multiple functions: it processes data from all sensors (dimension sensors, density sensors, weight sensors), performs moisture content calculations, controls compression operations, and provides user interface functions. This multi-functionality consolidates what would otherwise require separate devices into a single integrated control system.
Solution Approach 2:
Multiple measurement functions (dimension measurement, density measurement, weight measurement) are merged into a single integrated system where sensors and the controller work together as one unit. The controller integrates data from all sensors and performs unified processing to determine moisture content, reducing overall system complexity compared to separate measurement systems.
3Reliability
If real-time moisture monitoring is implemented during baling, then hay preservation quality improves, but processing time and operational complexity increase
Solution Approach 1:
The system performs preliminary moisture measurements before complete baling is finished, allowing operators to take preventive actions (such as adjusting compression or applying treatments) while the baling process is still ongoing. This prevents the need to stop and restart baling operations, maintaining continuous processing while ensuring quality.
Solution Approach 2:
The baling process continues uninterrupted while moisture monitoring occurs simultaneously through integrated sensors. The system monitors moisture content throughout compression without stopping the baling operation, maintaining continuous productive action while ensuring quality through real-time data collection and analysis.
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
A baler implement (20) includes a main frame (22), a baling chamber (32, 32'), a compressing member (59), a first input assembly (50), a second input assembly (54), a weight sensor (60), and a baler controller (70). The compressing member (59) compresses the bale within the baling chamber (32, 32'). The first input assembly (50) senses data related to variable dimension of the bale. The second input assembly (54) senses data correlated to a dry matter density of the bale. The weight sensor (60) sense data related to a total weight of the bale in the baling chamber (32, 32'). The baler controller (70) receives the signal indicative of the total weight of the bale from the weight sensor (60), calculates a moisture weight of the bale based on a numerical difference between the total weight of the bale and a dry matter weight of the bale, and communicates the moisture weight of the bale to a communicator.