Baler Control Using 3D Imaging for Uniform Crop Charging
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Solution Overview
Problem
Existing baler technologies fail to ensure uniform charging during the compression process, leading to non-uniform bales and operator stress, as they often require manual steering corrections after uneven loading has occurred, and mechanical detection methods are inadequate for timely control interventions.
Innovation Solution
The implementation of 3D imaging technology to determine the crop string's profile and height distribution ahead of the pick-up device, allowing for automatic adjustment of the pick-up device's position and tractor steering to achieve uniform charging, compensating for steering inaccuracies and crop density variations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If mechanical detection methods are used to monitor crop string position, then the baler can detect charging issues, but the detection occurs too late to enable timely control interventions
Solution Approach 1:
The patent applies preliminary action by using 3D imaging technology to detect the crop string profile and predict charging degree distribution before the crop enters the compression chamber. The system analyzes the crop string's height distribution and position in advance, allowing the control system to intervene timely to achieve uniform charging, thereby resolving the contradiction between detection precision and intervention timing.
2Manufacturing precision
If manual steering corrections are required to achieve uniform charging, then the operator can adjust the baler position, but operator stress increases and productivity decreases
Solution Approach 1:
The patent implements self-service by enabling the baler system to automatically detect and correct its own charging uniformity issues through 3D imaging and automated control. The system monitors the crop string profile and autonomously adjusts the baler position and compression parameters, eliminating the need for manual operator intervention and thereby improving productivity while maintaining charging uniformity.
Solution Approach 2:
The patent applies feedback by continuously monitoring the crop string profile through 3D imaging and using this information to dynamically adjust the baler's compression chamber position and compression force. This closed-loop control system ensures uniform charging without manual intervention, resolving the contradiction between manufacturing precision and productivity.
3Loss of time
If 3D imaging technology is used to determine crop string profile, then timely control interventions can be made, but device complexity increases
Solution Approach 1:
The patent applies mechanics substitution by replacing complex mechanical detection and manual adjustment systems with 3D imaging technology and automated electronic control. The 3D camera system captures the crop string profile, and the control unit automatically calculates and executes position adjustments, simplifying the overall system operation while enabling timely interventions despite the increased technological complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method ensures precise and automatic control of the baler, reducing operator stress by enabling timely and accurate interventions to achieve uniformly charged bales, even in complex terrain and crop patterns, and improving the predictability of bale formation.
Implementation Method 1
the profile of the crop string in front of the pick-up device is determined by means of 3D imaging technology
Data Source
AI summary
A baler (1) composed of a pick-up device (4) for picking up a crop string (12), a compression device for compressing the crop in a compression direction to form a bale, the compression device having components (19) for measuring a distribution of a charging degree transversely to the compression direction. The baler (1) also has a 3D imaging device (11) for recording a 3D image (23) of the field and the crop string (12) in front of the baler (1), and a control device including a data processor (13) for controlling the baler (1) in dependence on data from the 3D image (23) and the charging degree (25).