Active Roll Stabilizer Screw-Coupling Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional active roll stabilizers face issues with excessive rotation and distortion of stabilizer bars, leading to reduced vehicle stability and increased wear, especially when navigating uneven terrain, due to over-reliance on actuators that operate beyond maximum driving force and respond to weak vibrations.
Innovation Solution
An active roll stabilizer system featuring a pair of stabilizer bars connected by an actuator with a motor, housing, and damping parts, including a screw-coupling mechanism and tilting bearings, which absorb vibrations and reduce rotational resistance, allowing controlled roll moment adjustment to enhance vehicle stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the actuator rotates the stabilizer bar beyond the maximum driving force, then the stabilizer bar can respond to weak vibrations, but the stabilizer bar rotates with distortion beyond the target angle, lowering vehicle stability and causing fixation and abrasion
Solution Approach 1:
The engagement part is designed with a screw groove and bolt member that pre-establish a mechanical stop at the target rotation angle. This preliminary mechanical constraint prevents the stabilizer bar from rotating beyond the desired angle, even when the actuator continues to apply force in response to weak vibrations, thereby maintaining vehicle stability while allowing vibration response.
2Reliability
If the actuator continuously operates to maintain stability, then vehicle stability is improved, but the actuator responds to weak vibrations unnecessarily, increasing wear and energy consumption
Solution Approach 1:
The engagement part with its screw groove and bolt member creates a preliminary mechanical constraint that limits the stabilizer bar rotation to the target angle. This mechanical stop allows the actuator to operate with clear boundaries, preventing continuous operation in response to weak vibrations and reducing unnecessary wear and energy consumption while maintaining stability.
3Reliability
If the stabilizer bar is fixed rigidly to maximize stability, then vehicle stability is improved, but the fixation and abrasion increase due to excessive rotation
Solution Approach 1:
The engagement part design with screw groove and bolt member establishes a preliminary mechanical constraint at the target rotation angle. This creates a controlled stopping point that prevents excessive rotation and the associated fixation wear and abrasion, thereby extending component lifespan while maintaining the stability benefits of a constrained stabilizer bar.
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 vehicle stability by controlling roll moments and reducing wear and noise through controlled rotation and vibration absorption, extending the lifespan of components and enhancing ride comfort.
Implementation Method 1
a damper disposed between the carrier and the coupler, coupled to the coupler to cover a portion of an outer surface of the coupler, and configured to absorb a vibration generated by the motor and the pair of stabilizer bars
Implementation Method 2
the engagement part may include a bolt member screw-coupled to a screw groove, which is formed at the one end portion of the at least one of the pair of stabilizer bars
Data Source
AI summary
Disclosed is an active roll stabilizer. The active roll stabilizer includes a pair of stabilizer bars installed between wheels and an actuator connected between the pair of stabilizer bars and configured to deliver a rotational force to the pair of stabilizer bars, wherein the actuator includes a motor configured to generate the rotational force; a housing located between the pair of stabilizer bars and inside which the motor is disposed; and an engagement part installed between the housing and at least one of the pair of stabilizer bars and configured to screw-couple and fix one end portion of the at least one of the pair of stabilizer bars to one inner side of the housing.