Trailer Stability Control via Pressure Differential Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Towing a trailer can lead to instability due to factors like sway caused by pressure differentials, which can result in accidents, especially for inexperienced drivers who struggle to manually control the vehicle-trailer combination.
Innovation Solution
A trailer stability system that uses sensors, such as pressure sensors and cameras, to detect and predict pressure differentials, automatically generating control signals to mitigate instability by controlling vehicle systems like braking, accelerating, and steering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a driver manually controls the vehicle-trailer combination, then the driver can respond to instability conditions, but the driver may lack the experience or reaction time to effectively mitigate sway caused by pressure differentials
Solution Approach 1:
The trailer stability system performs self-service by automatically detecting pressure differentials across the trailer and executing corrective steering actions without requiring driver intervention. The system monitors lateral pressure on opposite sides of the trailer and autonomously adjusts the vehicle's steering to counteract sway, making the system self-sufficient in maintaining stability.
Solution Approach 2:
The system implements continuous feedback by using pressure sensors to monitor lateral forces on the trailer in real-time. This feedback loop allows the control system to detect sway conditions and automatically adjust steering to maintain stability, creating a closed-loop control mechanism that responds dynamically to changing conditions.
2Reliability
If sensors and automated control systems are added to detect and mitigate trailer instability, then stability control is improved, but device complexity increases
Solution Approach 1:
The pressure sensors serve multiple functions: they detect lateral wind forces, identify sway conditions, and provide data for automated corrective actions. By making the sensing system multi-functional, the patent reduces the need for separate dedicated sensors for each function, thereby managing complexity while maintaining reliability.
Solution Approach 2:
The control system acts as an intermediary between the pressure sensors and the steering mechanism. Rather than directly connecting sensors to steering controls, the intermediary control system processes sensor data and generates appropriate corrective actions, simplifying the overall system architecture while enabling automated stability control.
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
The system improves the stability and control of the trailer-vehicle combination by automatically counteracting sway, reducing the risk of accidents and enhancing safety during towing.
Implementation Method 1
analyze sensor data from a set of sensors associated with the vehicle to generate a pressure signature that characterizes lateral forces on the trailer resulting from a pressure differential between opposite sides of the trailer
Data Source
AI summary
System, methods, and other embodiments described herein relate to improving stability of a trailer being towed by a vehicle. In one embodiment, a method includes analyzing sensor data from a set of sensors associated with the vehicle to generate a pressure signature that characterizes lateral forces on the trailer resulting from a pressure differential between opposite sides of the trailer. The method includes, in response to determining the pressure signature satisfies criteria indicating an onset of instability in the trailer, generating a control signal based, at least in part, on the pressure signature that activates one or more vehicle systems to mitigate the instability in the trailer.