Site-Specific Seed Orientation Using Pitch, Roll, and Yaw Control
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Solution Overview
Problem
Existing agricultural planting methods fail to ensure optimal seed orientation, leading to delayed plant emergence, uneven growth, and yield loss due to factors like soil compaction and machine contact, as well as inefficient utilization of resources such as light, water, and nutrients.
Innovation Solution
A site-specific seed orientation system using a seed orienter with components like seedbed maker, positioning device, seed rotator, and seedbed closer, controlled by a processor, ensures seeds are planted in the desired orientation by adjusting pitch, roll, and yaw based on GPS and sensor data, maintaining the desired planted orientation through open or closed loop control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional planting methods are used, then the planting process is simple and fast, but seed orientation is uncontrolled leading to delayed emergence and uneven growth
Solution Approach 1:
The system performs preliminary orientation of seeds before planting by positioning them in a seed tube with the embryonic end facing downward. This preliminary action ensures correct orientation is established before the seed is deposited in the furrow, preventing delayed emergence and uneven growth without requiring complex post-planting adjustments
Solution Approach 2:
A seed tube serves as an intermediary device between the seed meter and the furrow. The seed tube is designed with specific geometry to orient seeds correctly during transit, acting as a mediator that transforms random seed orientation into controlled orientation without requiring direct complex control mechanisms at the planting point
2Productivity
If seeds are planted without optimal orientation, then the planting process is faster, but resource utilization (light, water, nutrients) is inefficient
Solution Approach 1:
The system applies local quality control by ensuring each individual seed is oriented with its embryonic end facing downward, creating optimal local conditions for emergence. This localized orientation control at the seed level maximizes resource utilization efficiency and accelerates emergence without requiring global field-level interventions
3Reliability
If seeds are planted without site-specific orientation, then the planting operation is simpler, but yield loss occurs due to soil compaction and machine contact
Solution Approach 1:
The system changes the orientation parameter of seeds from random to controlled (embryonic end down) through the seed tube design. This parameter change ensures seeds emerge uniformly and positions plants to minimize exposure to soil compaction and machine contact, improving yield reliability without requiring complex active control systems
Solution Approach 2:
The correct seed orientation is established in advance within the seed tube before planting occurs. This preliminary orientation action ensures that when seeds are deposited in the furrow, they are already positioned to withstand subsequent planting operations, reducing yield loss from soil compaction and machine contact
Data Source
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AI summary
A method for planting a seed (124) with a desired planted orientation (141) within an agricultural field (90), the method comprising: determining, with a processor (140), a seed orienter (120) position within the agricultural field (90) using position data from at least one of a planter (302) or an agricultural vehicle (300); determining, with the processor (140), the desired planted orientation (141) for the seed orienter (120) position within the agricultural field (90); and planting the seed (124) according to the desired planted orientation (141) at the position within the agricultural field (90).