Agricultural Row Unit Vibration Control via Sensor Feedback
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Solution Overview
Problem
Rough or uneven terrain causes vibration in agricultural row units, leading to uneven seed or fertilizer distribution and varying furrow depths, which existing systems fail to adequately address.
Innovation Solution
A system comprising vibration sensors on row units and a controller that adjusts tractor speed and row unit pressure to minimize vibration, using feedback signals from sensors monitoring vibration, engine speed, and downward pressure to control actuators and maintain uniform distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the tractor travels at high speed to improve productivity, then the planting efficiency increases, but vibration in the row units increases causing uneven seed distribution
Solution Approach 1:
The system employs vibration sensors mounted on each row unit to detect vibration levels, with the sensor output connected to a controller that automatically adjusts tractor speed. When vibration exceeds a predetermined threshold, the controller reduces speed to minimize vibration, ensuring uniform seed distribution while maintaining high productivity when conditions permit
Solution Approach 2:
The system dynamically adjusts the tractor's operating speed based on real-time vibration conditions rather than maintaining a fixed speed. The controller continuously monitors vibration sensor output and modifies the tractor speed accordingly, allowing the system to adapt to varying field conditions and maintain optimal performance
2Manufacturing precision
If downward pressure on row units is increased to improve seed placement, then furrow depth consistency improves, but vibration magnitude increases
Solution Approach 1:
The vibration sensors provide continuous feedback on the vibration levels caused by downward pressure on the row units. The controller uses this feedback to automatically adjust the downward pressure applied by hydraulic cylinders, reducing pressure when vibration is high and maintaining optimal pressure when vibration is low, thereby achieving furrow depth consistency without excessive vibration
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
The system effectively reduces vibration, ensuring consistent seed or fertilizer distribution and optimal furrow depth across uneven terrain, enhancing planting efficiency and uniformity.
Implementation Method 1
A vibration sensor rigidly mounted to respective ones of the plurality of row units detects the magnitude of vibration of the respective row unit present on the agricultural implement
Data Source
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AI summary
A method and system for controlling operation of a tractor and/or agricultural implement towed by the tractor is disclosed. A vibration sensor is mounted to the agricultural implement to detect the magnitude of vibration, or bounce, on the agricultural implement. Because the magnitude of the vibration is a function of several operating parameters including, but not limited to, the speed at which the tractor is travelling and the downward pressure applied to the agricultural implement, one or more additional sensors are provided to monitor these operating parameters. Each of the sensors generates a feedback signal and transmits it to the controller. The controller is configured to generate an reference signal to control an actuator as a function of the magnitude of vibration and the measured operating parameter. The actuator receiving the reference signal is configured to control operation of the tractor or agricultural implement to reduce the magnitude of vibration.