Road Machine Imaging System for Milling Mark Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing road machine technologies face challenges in efficiently paving milled surfaces without the need for installing travel reference lines on the road surface, which can be burdensome for operators.
Innovation Solution
The road machine system includes an asphalt finisher equipped with imaging devices that capture image information to detect milling marks on a second paving material, allowing the system to generate a reference line for precise movement and paving of the milled surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If physical travel reference lines are installed on the road surface to guide the road machine, then paving accuracy is improved, but operator workload and installation complexity increase
Solution Approach 1:
The patent uses an imaging device to capture images of the road surface and extracts reference information (such as lane markings or edge lines) from these images to generate virtual reference lines. This copies the function of physical reference lines without requiring actual installation of physical markers on the road surface, thereby maintaining paving accuracy while reducing installation complexity and operator workload.
Solution Approach 2:
The patent replaces the mechanical system of physical reference lines with an optical detection system. Instead of installing physical markers that require mechanical installation and maintenance, the system uses an imaging device to optically detect road surface features and process them computationally to generate reference information, eliminating the need for physical installation while maintaining guidance functionality.
2Manufacturing precision
If physical travel reference lines are installed to enable precise movement control, then paving accuracy is improved, but ease of operation deteriorates
Solution Approach 1:
The system enables the road machine to self-navigate by automatically detecting road surface features through the imaging device and generating reference information without operator intervention. The control unit automatically processes the reference information to determine movement guidance, eliminating the need for operators to manually install or adjust physical reference lines, thereby reducing operator workload while maintaining precise paving control.
Solution Approach 2:
The patent creates virtual reference lines by processing images captured by the imaging device, copying the guidance function of physical reference lines without requiring physical installation. This allows operators to simply operate the road machine while the system automatically generates and follows reference paths based on captured road surface images, significantly improving ease of operation while maintaining paving accuracy.
3Ease of operation
If imaging devices are used to detect milling marks and generate reference lines, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The imaging device serves multiple functions: it captures images of the road surface, detects milling marks, extracts reference information, and provides data for movement control. By making the imaging device multi-functional, the patent avoids adding separate dedicated components for each function, thereby reducing overall system complexity while improving ease of operation through automated reference line generation.
Solution Approach 2:
The patent merges the functions of image capture, feature detection, reference line generation, and movement control into an integrated system. The control unit combines processing of reference information from the imaging device with the movement control functions, creating a unified control system that reduces complexity compared to having separate independent systems for each function while maintaining high ease of operation.
Data Source
AI summary
A road machine includes a tractor, a screed disposed behind the tractor and configured to level a first paving material, and a working device configured to supply the first paving material in front of the screed, wherein the road machine is configured to perform a process for paving an area having milling marks with the first paving material based on the milling marks on a second paving material, the second paving material having been used to pave a road surface, and the milling marks being shown in image information captured by an imaging device.