Active Aero Control for Vehicle Lift and Downforce
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Solution Overview
Problem
Existing vehicle aerodynamic control systems lack the ability to dynamically adjust lift and downforce generation based on real-time vehicle speed and steering angle, leading to suboptimal dynamic performance and fuel efficiency.
Innovation Solution
A method that uses an active aerodynamic control system, controlled by a vehicle controller, to determine the appropriate generation of lift or downforce by analyzing vehicle speed and steering angle, activating the lift or downforce generating devices to optimize performance and efficiency based on pre-defined thresholds and sensor data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the aerodynamic control system is fixed and immobile, then the device complexity is reduced, but the dynamic performance and fuel efficiency are suboptimal
Solution Approach 1:
The patent applies the dynamics principle by making the aerodynamic control system active rather than fixed. The lift generating device and downforce generating device are made moveable, allowing them to dynamically adjust their position and aerodynamic output based on real-time vehicle operating conditions such as speed and steering angle, thereby resolving the contradiction between adaptability and device complexity
Solution Approach 2:
The patent implements feedback control by using vehicle sensors to continuously monitor operating conditions (speed, steering angle) and feed this information to the controller, which then adjusts the aerodynamic control system accordingly. This closed-loop feedback mechanism enables the system to adapt dynamically while maintaining manageable complexity through automated control
2Adaptability or versatility
If the aerodynamic control system is made active and moveable, then the dynamic performance is improved, but the device complexity increases
Solution Approach 1:
The patent applies universality by designing an aerodynamic control system that can perform multiple functions - generating both lift and downforce - through a single integrated active control mechanism. The same moveable devices can switch between different aerodynamic modes based on driving conditions, improving fuel efficiency without proportionally increasing overall system complexity
Solution Approach 2:
The aerodynamic control system is designed to be self-regulating through automated control algorithms that process sensor data and adjust device positions without requiring constant manual intervention. The system serves itself by automatically optimizing its own configuration based on real-time feedback, reducing the operational complexity burden
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
Enables precise control of aerodynamic forces, enhancing dynamic performance and maximizing fuel efficiency by adjusting lift or downforce generation according to specific operating conditions.
Implementation Method 1
aerodynamic control system may be adjusted to generate lift
Implementation Method 2
aerodynamic control system may be adjusted to generate downforce
Data Source
AI summary
A method of controlling a vehicle includes moving a lift generating device to generate lift when a vehicle speed is greater than a pre-defined speed, a steering angle of the vehicle is equal to or less than a minimum angle value, a lateral acceleration of the vehicle is equal to or less than a minimum lateral acceleration value, and a corner brake fluid pressure at any of the wheels is equal to or less than a minimum brake fluid pressure. A downforce generating device is moved to generate downforce when the vehicle speed is greater than the pre-defined speed, the steering angle is equal to or greater than a maximum angle value, the lateral acceleration is equal to or greater than a maximum lateral acceleration value, and the corner brake fluid pressure at any of the wheels is equal to or greater than a maximum brake fluid pressure.