Baler Constituent Sensing for Bale Density and Wrap Control
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Solution Overview
Problem
Existing baler control systems primarily focus on moisture content and preservative addition, neglecting other constituent parameters and physical attributes of bales, which affect feeding quality.
Innovation Solution
A baler system equipped with sensors to detect properties like dry matter content, protein, starch, fiber, and oil, and a controller to adjust physical characteristics such as compaction, wrap tension, and preservative application based on these properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If existing baler control systems focus only on moisture content and preservative addition, then the control system complexity is reduced, but the bale quality and feeding quality cannot be fully optimized
Solution Approach 1:
The system transitions from controlling only moisture content to controlling multiple constituent parameters including dry matter content, protein, starch, fiber, and oil. This parameter expansion enables comprehensive optimization of bale quality and feeding quality by adjusting compaction, wrap tension, and preservative application based on multiple sensor inputs rather than a single parameter
Solution Approach 2:
The control system is designed to handle multiple functions: it monitors various constituent parameters through sensors, adjusts multiple physical characteristics of the bale (compaction, wrap tension), and controls preservative application. This multi-functional approach consolidates what would otherwise require separate control systems into a single integrated unit
2Reliability
If multiple constituent parameters are measured and physical characteristics are adjusted, then bale quality and feeding quality are optimized, but the device complexity increases
Solution Approach 1:
The system implements feedback control by continuously monitoring constituent parameters (dry matter content, protein, starch, fiber, oil) through sensors and using this information to dynamically adjust physical characteristics (compaction, wrap tension) and preservative application. This closed-loop feedback ensures consistent feeding quality by automatically compensating for variations in crop material composition
Solution Approach 2:
Multiple sensors measuring different constituent parameters are integrated into a single control system that processes all inputs through one controller. Similarly, multiple actuators adjusting different physical characteristics are merged into a coordinated system. This consolidation reduces overall system complexity compared to having separate control systems for each parameter and adjustment
Data Source
AI summary
A baler for forming a bale of crop material includes a bale chamber for forming the bale. One or more constituent property sensors are configured to detect one or more constituent properties other than moisture content of the crop material used to form the bale and to generate one or more sensor signals corresponding to the one or more constituent properties. One or more bale forming actuators are configured to adjust one or more physical characteristics of the bale as the bale is formed. A controller is configured to receive the sensor signals and to generate one or more control signals to the one or more bale forming actuators to adjust the one or more physical characteristics of the bale at least in part in response to the one or more sensor signals.