Active Roll Control Stabilizer Link Positioning
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Solution Overview
Problem
Conventional active roll control apparatuses lack a separate stopper, leading to potential unintended sliding due to external forces, which compromises the stability of the vehicle body and makes it difficult to fix the mounting position, thereby affecting turning stability.
Innovation Solution
An active roll control apparatus that includes a sliding part connected to a stabilizer bar and a stabilizer link, with a movement restricting part to adjust and fix the lever ratio of the stabilizer link, utilizing a joint shaft, fastening member, and elastic protrusions to restrict movement and enhance stiffness control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a conventional active roll control apparatus is used without a separate stopper, then the structure is simpler, but the mounting position cannot be fixed and vehicle body stability decreases
Solution Approach 1:
The stabilizer link is divided into a movable part that can slide along the stabilizer bar and a fixed part connected to the vehicle body. This segmentation allows the link to adjust its position to fix the mounting point, preventing unintended sliding while maintaining structural efficiency.
Solution Approach 2:
The stabilizer link is pre-configured with a sliding mechanism that allows it to be positioned and fixed at optimal mounting locations before vehicle operation. This preliminary positioning ensures stability is maintained during driving without requiring complex additional stopping mechanisms.
2Device complexity
If the stabilizer bar has a constant stiffness value, then the structure is simpler, but turning stability is insufficient in various conditions
Solution Approach 1:
The stabilizer link is designed to be movable rather than fixed, allowing it to slide along the stabilizer bar and change its position dynamically. This dynamic adjustment capability enables the system to optimize stability characteristics for different driving conditions, improving turning stability without requiring multiple separate stabilizer bars.
3Ease of operation
If the stabilizer link position is not fixed, then adjustment is easier, but unintentional sliding occurs due to external forces
Solution Approach 1:
The stabilizer link is segmented into movable and fixed portions, where the movable part can be adjusted to different positions along the stabilizer bar. Once positioned, the design inherently prevents unintended sliding through the mechanical configuration, combining ease of adjustment with position stability.
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 apparatus effectively adjusts and fixes the connection position of the stabilizer link, improving vehicle turning stability by actively controlling roll stiffness and preventing unintentional length changes during driving, thus enhancing vehicle stability.
Implementation Method 1
a first elastic part having a semi-circular cross-section, and a second elastic part having a circular cross-section, one end coming into contact with an inner circumferential surface of the first elastic part, and the other end coming into contact with one surface inside the guide groove to support the first elastic part
Data Source
AI summary
An active roll control apparatus is provided. To adjust a stiffness value of the stabilizer bar by moving a stabilizer bar installed between left and right wheels of a vehicle and extending in a first direction and a stabilizer link connected to the stabilizer bar, the active roll control apparatus includes a sliding part having one side connected to the stabilizer bar and the other side connected to the stabilizer link to slide the stabilizer link in a second direction perpendicular to the first direction, and a movement restricting part installed at the sliding part to restrict movement when the sliding part slides.