Seeding Machine Row Unit Synchronization Control
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Solution Overview
Problem
Existing agricultural seeding machines lack an automated system to synchronize or assist operators in synchronizing seed placement between rows, making it difficult to achieve precise and alternating seed patterns, especially in twin-row planting configurations.
Innovation Solution
A seeding machine with multiple row units, each equipped with a seed metering device, sensor, and processing circuit that compares index signals from sensors with a reference signal to adjust the metering action, ensuring a desired seed placement pattern between rows, allowing for manual operator input to alter the metering action and achieve synchronized seed placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If automated synchronization system is implemented, then seed placement precision between rows is improved, but device complexity increases
Solution Approach 1:
The system divides the seeding machine into multiple independently controllable row units, each with its own sensor and control circuit. This segmentation allows each row to be controlled individually while maintaining overall system coordination, achieving precise seed placement without requiring a completely centralized complex control system.
Solution Approach 2:
Each row unit is equipped with a sensor that detects seed placement and generates an index signal. The control circuit receives this feedback signal and compares it with a reference signal, then automatically adjusts the metering device to maintain desired seed spacing. This closed-loop feedback mechanism ensures precise seed placement without requiring overly complex manual control systems.
2Adaptability or versatility
If individual row unit control is implemented, then adaptability to different planting patterns is improved, but device complexity increases
Solution Approach 1:
The control system is designed to be dynamically adjustable, allowing operators to modify metering action and seed placement parameters for each row unit based on different planting requirements. The system can adapt to various planting patterns including twin-row configurations by adjusting the relationship between index signals and reference signals, providing versatility without requiring multiple dedicated systems.
Solution Approach 2:
The control circuit is designed with universal functionality to handle multiple planting patterns and configurations. By using a standardized control architecture that can process different index signal relationships, the system achieves multi-functionality across various row configurations and seed placement patterns without requiring separate specialized systems for each application.
3Stability of the object's composition
If sensor and control circuit are added to each row unit, then seed spacing consistency is improved, but manufacturing cost increases
Solution Approach 1:
Instead of implementing a single complex centralized control system, the patent segments the control functionality into individual row units. Each row unit has its own sensor and control circuit, which can be manufactured and assembled as modular components. This segmentation allows for standardized mass production of individual modules, potentially reducing overall manufacturing costs while achieving consistent seed spacing across all rows.
Solution Approach 2:
Each row unit is equipped with its own sensor and control circuit that autonomously monitors and adjusts seed placement for that specific row. This self-service capability eliminates the need for complex inter-row coordination and reduces the burden on centralized control systems, allowing for simpler, more cost-effective manufacturing of individual modular units that can be replicated across multiple rows.
Data Source
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AI summary
Disclosed is a seeding machine (14) comprising: means for generating a reference signal (84); multiple row units (24, 201, 202, 301, 302), at least one row unit (24, 201, 202, 301, 302) having: a seed metering device (26) providing a metering action to a plurality of seeds; a drive (64) for the seed metering device (26) and a sensor (80, 94, 96, 98, 100, 180) adapted to sense a seed meter parameter, characterized in that the seed meter parameter relates to seed location in a furrow beneath the row unit (24, 201, 202, 301, 302) and the sensor generating an index signal (88); and control means for receiving the index signal (88) from the sensor (80, 94, 96, 98, 100, 180) and for receiving the reference signal (84), the control means determining a relationship between the index signal (88) and the reference signal (84) and the control means being operably coupled to the drive (64) for altering the metering action of the seed metering device (26) to establish a desired relationship between the index signal (88) and the reference signal (84). Further disclosed is a method for operating a seeding machine (14), including coordinating the placement of seed planted by multiple row units (24, 201, 202, 301, 302) of a planter.