Agricultural Machine Control for Non-Critical Measuring Point Activation
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Solution Overview
Problem
Agricultural machinery faces challenges in maintaining optimal operation under fluctuating conditions, leading to distorted measurement results and reduced efficiency due to abrupt changes in crop properties or external factors, which can disrupt the control system and result in critical states.
Innovation Solution
The system employs a control and regulating device with a digital field map to determine non-critical states for activating measuring points, using characteristic curve fields to ensure high-quality control and measurement by avoiding critical conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If measuring points are activated continuously to optimize control parameters, then control quality improves, but measurement reliability deteriorates under critical conditions
Solution Approach 1:
The control unit determines whether the agricultural machine is in a critical state before activating measuring points. This preliminary check prevents activation during critical conditions (such as crop jams, uneven terrain, or high straw moisture), ensuring that measurements are only taken when reliable results can be obtained, thus resolving the contradiction between continuous optimization and measurement reliability.
2Duration of action of stationary object
If measuring points are activated during critical states to maintain continuous control, then control continuity improves, but measurement precision deteriorates
Solution Approach 1:
Before activating measuring points, the control unit performs a preliminary assessment of the operational state to determine if the machine is in a critical condition. This prevents activation during unfavorable boundary conditions, ensuring that only high-quality measurements are taken, thereby resolving the contradiction between control continuity and measurement precision.
3Adaptability or versatility
If the control system operates in different areas of characteristic curves under changing conditions, then adaptability improves, but control stability deteriorates due to settling time requirements
Solution Approach 1:
The control unit determines whether the agricultural machine is in a critical state before activating measuring points for optimization. By preventing activation during critical transitions (such as abrupt changes in crop properties or terrain), the system avoids the settling time penalty that would otherwise be required when operating in unfamiliar areas of characteristic curves, thus resolving the contradiction between adaptability and control stability.
Data Source
Figure 1
Figure 2
Figure 3~3d
AI summary
Agricultural working machine (1) with at least one control and regulating device (23), wherein the control and regulating device (23) is configured to control defined measuring points (54) in stored characteristic curve fields (48), wherein these specifically controlled measuring points (54) are located in the boundary areas of the characteristic curve field (48) and/or outside an active working area (52, 53) of the respective characteristic curve field (48), wherein the measuring points (54) are controlled when the agricultural working machine (1) is in a non-critical state.