Review of Uneven Road Surface Information Perception Methods for Suspension Preview Control
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.This review details road surface detection methods for vehicle suspension preview systems. It covers datasets, detection techniques, and elevation reconstruction for improved driving safety and comfort.
Area Of Science
- Automotive Engineering
- Robotics
- Computer Vision
Background
- Accurate road surface detection is vital for vehicle safety and comfort.
- Traditional suspension systems face real-time control challenges due to signal delays.
- Suspension preview control offers proactive adjustment but requires efficient road perception.
Purpose Of The Study
- To systematically review road surface information detection technologies for suspension preview systems.
- To focus on the identification of potholes and speed bumps.
- To provide technical references for enhancing detection accuracy and control efficiency.
Main Methods
- Summarizing publicly available datasets for road surface analysis.
- Reviewing mainstream detection methods: traditional dynamic, 2D image processing, 3D point cloud, machine/deep learning, and multi-sensor fusion.
- Summarizing elevation reconstruction technologies using LiDAR, stereo vision, and multi-modal fusion.
Main Results
- Comparison of mainstream detection methods based on applicable scenarios and evaluation metrics.
- Emphasis on the importance of elevation information (pothole depth, speed bump height) for preview control.
- Identification of key research directions including robustness, real-time performance, and reduced labeling costs.
Conclusions
- The review provides a comprehensive overview of road surface detection for suspension preview.
- It highlights the significance of elevation reconstruction technologies.
- It aims to promote the development of intelligent chassis systems through improved detection and control.
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
Related Concept Videos
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Sight distance on vertical curves is critical in roadway design. It ensures drivers can see far enough ahead to identify and respond to hazards effectively. This directly impacts safety, driver comfort, and the overall efficiency of the transportation network.Vertical curves are classified into crest and sag curves based on their geometry. For crest curves, sight distance is determined by the line of sight between a driver's eye and a small object on the road's surface. Design parameters for...
Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
Vertical curves are essential in roadway design because they provide smooth transitions between varying roadway grades. Designing vertical curves involves calculating intermediate elevations and identifying the curve's highest or lowest point, which is essential for optimal roadway performance.Intermediate elevations on a vertical curve are determined using the tangent offset method. This method considers the initial elevation at the start of the curve, the grades, and the curve's geometry. The...
Constructing a roadway embankment over uneven terrain requires precise leveling to ensure stability and proper drainage. Surveyors use a leveling instrument and staff to calculate ground elevations and determine the required fill material at each point along the embankment alignment.The process begins by positioning a leveling instrument near a benchmark with a known elevation. A backsight reading establishes the instrument height, which serves as a reference for subsequent measurements. A...
Friction is an essential force that influences the motion of objects in daily life. Depending on the situation, it can be either beneficial or problematic. Consider a bus with a mass of three megagrams and its center of mass at a specific point, moving along a banked road at a constant speed. The coefficient of static friction between the tires and the road is 0.5. Find the maximum angle of the banked road at which the bus would not slip or tip.
Initially, a visual representation of the...