Hydraulic Valve Calibration for Accurate Implement Component Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Determining the connection between hydraulic flow paths in agricultural systems is complex, making it difficult to control the actuation of components, as it is tedious to associate valves with the correct components and adjust fluid flow for desirable operations.
Innovation Solution
An agricultural system with a controller that operates in a calibration mode to associate valves with actuation control of components, determining calibration by outputting control signals to valves and receiving indications to actuate target components, thereby facilitating desirable operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If hydraulic fluid is used to control operation of the agricultural implement and work vehicle, then actuation control of components is achieved, but it becomes complicated to determine how flow paths are connected and difficult to associate valves with correct components
Solution Approach 1:
The system performs a calibration operation before normal use, where the controller automatically associates each valve with its controlled component by monitoring which component actuates in response to control signals. This preliminary calibration eliminates the need for manual tracing of complex hydraulic flow paths during normal operation.
Solution Approach 2:
The controller automatically performs the association between valves and components by itself during calibration mode, without requiring operator intervention to trace or document flow path connections. The system self-calibrates by detecting which component responds to each valve's control signal.
2Loss of information
If manual association of valves with components is performed, then control mapping can be established, but the process becomes tedious and time-consuming
Solution Approach 1:
The manual mechanical process of tracing hydraulic flow paths and documenting connections is replaced with an automated electronic calibration process. The controller electronically identifies valve-component associations by sending control signals and monitoring which components actuate, eliminating the tedious manual documentation process.
Solution Approach 2:
The controller uses feedback from component actuation responses to automatically determine which valve controls which component. During calibration, when a control signal is sent to a valve, the system monitors which component actuates and uses this feedback to establish the correct association, eliminating manual trial-and-error methods.
3Reliability
If the agricultural system operates without calibration mode, then immediate operation is possible, but accurate control of components cannot be ensured
Solution Approach 1:
The system requires a calibration operation to be performed before normal use, during which the controller automatically establishes accurate valve-component associations. This preliminary automated calibration ensures reliable control accuracy for all subsequent operations without requiring continuous automation during field work.
Data Source
AI summary
An agricultural system includes a plurality of components, a plurality of valves configured to control fluid flow to the plurality of components to control actuation of the plurality of components, and a controller having a processor and a memory. The controller is configured to operate the agricultural system in a calibration mode to associate respective valves of the plurality of valves with actuation control of respective components of the plurality of components, determine a calibration based on associating the respective valves with the actuation control of the respective component, receive an indication to actuate a target component of the plurality of components, and output a control signal to a valve associated with the target component based on the calibration in response to receipt of the indication.