Implement Repositioning for Vehicle Rollover Mitigation
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Solution Overview
Problem
Vehicles are prone to rollovers when traveling across or down inclines, which can cause damage and injury, and existing systems fail to adequately account for real-time surroundings during rollover mitigation.
Innovation Solution
A vehicle rollover mitigation system that uses sensors to detect impending rollovers and adjusts the state of an implement coupled to the vehicle, such as lowering it or changing its orientation, based on both vehicle conditions and real-time surroundings to prevent collisions and exacerbation of the rollover risk.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the implement is lowered or repositioned to mitigate rollover risk, then vehicle stability is improved, but the risk of colliding with obstacles or terrain features increases
Solution Approach 1:
The system performs preliminary detection of obstacles and terrain features using sensors before the implement is repositioned. This advance knowledge allows the rollover mitigation system to plan implement movements that avoid collisions while still achieving stability goals.
Solution Approach 2:
The system continuously monitors vehicle roll angle, implement position, and surrounding environment using sensors. This feedback loop allows real-time adjustment of implement repositioning actions to mitigate rollover risk while avoiding obstacles, resolving the contradiction between stability improvement and collision avoidance.
2Speed
If the implement state is adjusted rapidly to counteract rollover, then response time is improved, but the risk of exacerbating vehicle instability increases
Solution Approach 1:
The system dynamically adjusts implement repositioning based on real-time vehicle roll angle and rate of roll. Rather than applying fixed rapid movements, the system modulates the speed and magnitude of implement adjustments to match the severity and progression of the rollover threat, achieving fast response without instability.
Solution Approach 2:
The system applies counterbalancing actions to the implement position based on detected roll trends before the rollover becomes severe. By anticipating the direction and magnitude of instability, the system applies gentle corrective actions in advance rather than aggressive corrections that could worsen the situation.
Data Source
AI summary
A vehicle rollover mitigation system may include at least one first sensor to output rollover symptom signals indicating potential rollover of a vehicle, at least one second sensor to output vehicle environment signals indicating a surrounding environment of the vehicle and a controller to output rollover mitigation control signals for mitigating potential rollover of the vehicle based upon the rollover symptom signals and the vehicle environment signals. The vehicle rollover mitigation system may automatically respond to potential rollover by altering a state of an implement coupled to the vehicle.