Agricultural Implement Sensor Positioning for Terrain Adaptation
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Solution Overview
Problem
Existing agricultural working machines are limited in their ability to effectively adjust operating parameters in response to environmental changes due to short measurement-to-switching time intervals, allowing only limited adjustment of working height and other parameters.
Innovation Solution
The agricultural working machine is equipped with a sensor device capable of detecting two-dimensional or three-dimensional terrain information ahead of the machine, allowing for precise adaptation of the implement's operation based on collected data, including soil and vegetation conditions, and using optical or laser sensors to determine optimal working heights and depths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If sensor device measures terrain information close to the implement, then reaction time is short, but adjustment precision is limited
Solution Approach 1:
The sensor device is positioned to measure terrain information at locations ahead of the implement's working position, allowing the control unit to calculate and prepare control signals in advance. This preliminary measurement approach provides both sufficient reaction time and accurate terrain data for precise implement adjustment.
2Productivity
If sensor device is positioned far ahead, then more time is available for control, but real-time adaptability decreases
Solution Approach 1:
The system uses multiple sensor devices positioned at different distances ahead of the implement, creating a dynamic measurement network. The control unit processes information from various positions to determine optimal control signals, enabling both advance preparation and real-time adaptability to changing terrain conditions.
3Device complexity
If single-point measurement is used, then device complexity is low, but control precision across working width is insufficient
Solution Approach 1:
The terrain measurement is divided into multiple discrete measurement points distributed across the working width of the implement. Each sensor device measures terrain information at its specific location, and the control unit synthesizes these segmented measurements to generate precise control signals for different sections of the implement, ensuring accurate height control across the entire working width.
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 approach enables more precise and proactive control of the implement, enhancing productivity by allowing for seamless and optimized operation over the entire working width, balancing economic and ideal cultivation aspects.
Implementation Method 1
the sensor device is an optical sensor or comprises an optical sensor, wherein the sensor device can measure the height of the crop located on the terrain in front of the machine
Data Source
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AI summary
Agricultural working machine comprising a towing vehicle, a working implement, a sensor device for acquiring at least 2D information and a control device which is connected to the sensor device and the working implement and is suitable for controlling at least one function of the working implement depending on the information acquired by the sensor device, characterized in that the sensor device is arranged in such a way that it can acquire 2D information of a terrain lying in front of the working machine and a corresponding method for controlling a working implement of an agricultural working machine.