Dual-Frequency Laser Scanning for Construction Blade Control
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Solution Overview
Problem
Existing construction management techniques at civil engineering sites require separate measurements for blade control and finished work quality assessment, leading to inefficiencies in operation time and cost.
Innovation Solution
A dual laser scanning method is employed, with high-frequency scanning on the construction machine's blade and lower-frequency scanning on the operated area, using a laser scanning apparatus and a data processing device to integrate control and quality assessment processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If separate measurements are performed for blade control and finished work quality assessment, then measurement precision is maintained, but operation time and operation cost increase
Solution Approach 1:
The patent combines blade control measurement and finished work quality assessment into a single integrated laser scanning system. The laser scanning apparatus simultaneously performs both measurement functions, eliminating the need for separate measurement operations while maintaining the precision required for both control and quality assessment purposes.
Solution Approach 2:
The laser scanning apparatus is designed to perform multiple functions: it measures blade position for control purposes and measures finished work quality. This multi-functional device replaces what would traditionally require separate specialized measurement instruments, reducing overall operation time while preserving measurement precision for both applications.
2Measurement precision
If separate measurements are performed for blade control and finished work quality assessment, then measurement accuracy is maintained, but operation cost increases
Solution Approach 1:
The patent merges blade control measurement and finished work quality assessment into one integrated laser scanning system. This consolidation eliminates redundant equipment costs and operational expenses associated with running separate measurement systems, thereby reducing overall operation cost while maintaining the measurement accuracy needed for both control and quality verification.
Solution Approach 2:
The laser scanning apparatus serves dual purposes as both a blade control instrument and a finished work quality assessment tool. This multi-functionality reduces the need for multiple specialized devices and their associated costs, improving productivity by lowering operation cost while preserving measurement accuracy.
3Manufacturing precision
If high-frequency laser scanning is performed on the blade, then blade control precision is improved, but energy consumption increases
Solution Approach 1:
The laser scanning system operates with periodic action, performing high-frequency scanning specifically when blade control measurements are required, and switching to lower-frequency scanning for finished work quality assessment. This periodic modulation of scanning frequency maintains blade control precision when needed while reducing overall energy consumption during quality assessment phases.
Solution Approach 2:
The scanning frequency is made dynamic rather than constant. The system adjusts laser scanning frequency based on operational requirements: high frequency during blade control operations and lower frequency during finished work quality assessment. This dynamic adjustment maintains manufacturing precision for blade control while optimizing energy consumption across different operational phases.
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 efficient construction management by integrating blade control and finished work quality assessment, reducing operational time and costs through synchronized laser scanning operations.
Implementation Method 1
laser scanning apparatus performs first laser scanning on a blade
Implementation Method 2
laser scanning apparatus performs second laser scanning on an area
Data Source
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AI summary
Construction management and control of construction machines are efficiently performed at civil engineering sites. A laser scanning method includes a first laser scanning and a second laser scanning. The first laser scanning is performed on a blade (201) of a construction machine by a laser scanning apparatus (300). The second laser scanning is performed on an area in which the construction machine has operated, by the laser scanning apparatus (300). The first laser scanning is performed at a frequency higher than a frequency of the second laser scanning.