CTIS Controller Tire Type Verification
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Central tire inflation systems (CTIS) face challenges in effectively managing tire pressure based on tire type, leading to potential operational limitations and safety issues, particularly in transitioning between off-road and on-road modes without proper tire compatibility checks.
Innovation Solution
A controller system for CTIS that receives data on tire type and prevents operation in certain modes if the tire is not suitable for off-road conditions, ensuring safe and optimal tire pressure settings by inhibiting inappropriate mode selections and automatically adjusting tire pressure based on tire type and vehicle conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the CTIS allows operation in multiple operating modes without tire type verification, then the system has high adaptability and ease of operation, but safety and reliability deteriorate due to potential tire damage and improper pressure settings
Solution Approach 1:
The system performs preliminary verification of tire type compatibility before allowing operation in specific modes. The controller checks tire type data against required tire types for each operating mode in advance, preventing unsafe operations before they occur. This resolves the contradiction by maintaining high adaptability through multiple modes while ensuring reliability through pre-operation safety checks.
2Reliability
If the CTIS implements tire type verification and prevents operation in incompatible modes, then safety and reliability improve, but device complexity increases due to additional control logic and data processing
Solution Approach 1:
The controller utilizes existing data about tire type already present in the system (from tire identification systems or manual input) and performs self-verification against stored compatibility criteria. The system serves its own safety function using existing resources rather than requiring entirely new hardware or complex external verification systems, thus improving reliability while minimizing additional complexity.
3Productivity
If the CTIS automatically adjusts tire pressure based on tire type and operating mode, then operational efficiency and performance improve, but ease of operation decreases due to reduced user control
Solution Approach 1:
The system dynamically adjusts tire pressure based on the selected operating mode and verified tire type, automatically optimizing pressure settings for current conditions. This resolves the contradiction by improving productivity through automated pressure adjustment while maintaining ease of operation through a simple mode-selection interface that handles the complex pressure control logic automatically.
Data Source
AI summary
A control system for a motor vehicle includes a central tire inflation system (CTIS) electronic controller, the CTIS controller being configured to control the CTIS to cause inflation and deflation of one or more tires, the CTIS controller being configured to cause the CTIS to operate in a selected one of a plurality of operating modes in each of which the system is configured to set a pressure of one or more tires of the vehicle to a predetermined tire pressure value, the CTIS controller being configured to receive data indicative of a type of tire fitted to the vehicle, the controller being configured to prevent operation in a predetermined at least one of the plurality of operating modes in dependence on the data indicative of tire type.