Tire Pressure Control Unit with Geoposition-Based Anticipatory Adjustment
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Solution Overview
Problem
Conventional tire inflation systems for agricultural vehicles experience delays when transitioning from low tire pressure for traction in fields to higher pressures required for road travel, causing interruptions in continuous travel.
Innovation Solution
A device that monitors tire pressure using a control unit which calculates a set value based on external parameters like axle load and soil conditions, allowing for anticipatory adjustments to avoid delays by initiating pressure changes before reaching road conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the tire inflation system controls tire pressure based on real-time detection, then the tire pressure can be adjusted according to soil conditions and road conditions, but time delays occur during the transition from field operation to road travel
Solution Approach 1:
The control unit stores geographic position data correlated with operating state classifications (field operation, road travel, transition) and proactively initiates tire pressure adjustments when detecting approach to road conditions or transition zones, before the actual condition change occurs. This preliminary action eliminates waiting time by starting inflation processes in advance based on predicted operational changes.
2Productivity
If the tire inflation system uses a high filling capacity air compressor to reduce inflation time, then the pressure control rate increases, but the system complexity and energy consumption increase
Solution Approach 1:
The system dynamically adjusts the set tire pressure value based on the current operating state classification (field operation, road travel, or transition states). The control unit selects appropriate target pressures from stored data corresponding to different geographic positions and operational phases, optimizing the inflation process without requiring excessive compressor capacity.
3Measurement precision
If the control unit calculates set value based on multiple external parameters including load and soil conditions, then the tire pressure control precision improves, but the calculation complexity and processing time increase
Solution Approach 1:
The control unit stores pre-calculated set tire pressure values correlated with geographic positions and operating state classifications. Instead of performing complex real-time calculations for every parameter change, the system retrieves appropriate target values from stored data based on current position and detected operational state, significantly reducing processing time while maintaining accuracy.
Data Source
AI summary
A device for tire pressure monitoring of a vehicle tire of a vehicle system includes a tire inflation system in communication with the vehicle tire. A control unit calculates a set pressure value to be maintained for the tire pressure. A storage unit is in communication with the control unit such that the control unit adjusts the calculated set pressure value in dependence on an operating state classification derived from operating state parameters of the vehicle system. The control unit determines a geoposition of the vehicle system correlating with the derived operating state classification and stores it with the operating state classification in the storage unit. The control unit further recalls from the storage unit the relevant operating state classification for purposes of anticipatory adjustment of the set pressure value of the tire pressure when a renewed approach of the vehicle system to the stored geoposition is detected.