Deployable Anti-Rollover Chassis Devices for Multi-Direction Roll Control
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Solution Overview
Problem
Current anti-rollover systems are ineffective for vehicles with low center of gravity and cannot counter rollover in various directions, as they are optimized for specific types of rollover and do not account for complex rotations involving yaw, pitch, and roll.
Innovation Solution
An anti-rollover system with independent deployable devices (ARDs) attached to the vehicle chassis, featuring a controller that uses gyroscopic sensors and vehicle data to determine rollover direction and speed, deploying the appropriate ARD to counteract vehicle rotation, utilizing a spring-loaded or explosively actuated shaft to stabilize the vehicle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If anti-rollover systems are optimized for specific types of rollover (high center of gravity vehicles), then they can effectively counter roll in a particular direction, but they cannot handle vehicles with low center of gravity or rollover in various directions
Solution Approach 1:
The anti-rollover system is divided into multiple independent deployable devices (ARDs) positioned at different locations on the vehicle chassis. Each ARD can be independently deployed based on the detected rollover direction, allowing the system to handle various rollover scenarios without requiring a single complex device that must work in all directions.
Solution Approach 2:
The control system is designed to universally handle different vehicle types (high and low center of gravity) and all rollover directions by using gyroscopic sensors to detect the specific rollover condition and selecting the appropriate ARD from the plurality of available devices. This multi-functional approach allows one system to serve multiple purposes across different vehicle configurations.
2Adaptability or versatility
If a single anti-rollover device is used optimized for a particular direction, then the device structure can be simpler, but it cannot counter rollover in various directions including complex rotations involving yaw, pitch, and roll
Solution Approach 1:
Instead of using one complex device that must handle all directions, the system segments the protection function across multiple simpler ARDs positioned at different locations. Each ARD is optimized for its specific location and can be independently deployed, reducing the complexity of individual devices while providing comprehensive multi-directional protection.
Solution Approach 2:
The system deploys only the specific ARD needed for the current rollover condition rather than activating all devices simultaneously. The control system calculates the rollover direction and selectively activates the minimum necessary number of ARDs to counteract the specific threat, avoiding unnecessary deployment of excessive devices.
3Reliability
If multiple independent anti-rollover devices are deployed simultaneously, then coverage for various rollover directions is improved, but the system complexity and deployment coordination become more difficult
Solution Approach 1:
The control system continuously monitors vehicle attitude using gyroscopic sensors that detect roll, pitch, and yaw angles. Based on this real-time feedback, the controller calculates the rollover direction and selects the appropriate ARD to deploy, creating a closed-loop control system that adapts to the specific rollover condition and ensures reliable mitigation.
Solution Approach 2:
Multiple ARDs are pre-positioned at strategic locations on the vehicle chassis during manufacturing, and the control system pre-calculates the optimal deployment strategy for different rollover scenarios. When a rollover event is detected, the system quickly identifies and deploys the pre-positioned ARD that will be most effective, reducing response time and simplifying the decision-making process.
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
Effectively mitigates vehicle rollover by deploying the correct ARD to counteract rollover direction and speed, providing stabilization across various rollover scenarios, including those involving low center of gravity vehicles and complex rotations.
Implementation Method 1
a compression spring positioned on a distal end... The compression spring advances the deployable shaft to the actuated position
Implementation Method 2
The controller may be in communication with a vehicle computer, a gyroscopic sensor... The gyroscopic sensors data may include the roll, pitch, and yaw of the vehicle
Implementation Method 3
the collision attachment impacts the ground and counters vehicle rollover
Data Source
AI summary
An anti-rollover system and method for mitigating vehicle rollover. The system having a plurality of anti-rollover devices positioned around the vehicle chassis and being operable to calculate the likelihood of a vehicle rollover and determine the attitude of rollover there by actuating the anti-rollover device to counter roll thereby preventing a rollover collision.