Timber-Working Head Defect Detection Using Integrated Camera
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current forestry processing systems, such as harvester heads, face inefficiencies due to the need for manual optimization of log cutting when defects are encountered, which increases operator stress, fatigue, and downtime, and require additional equipment and space for scanning, limiting portability and productivity.
Innovation Solution
A method and apparatus that utilize a timber-working head with a distance measuring device and processor to determine the actual length of material to be processed, allowing manual designation of end points and optimization of cutting positions based on defect identification, enabling on-site re-optimization without the need for large-scale scanning equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If large scale scanning equipment is used to identify defects in tree stems, then measurement precision is improved, but device complexity and space requirements increase significantly
Solution Approach 1:
The patent replaces complex mechanical scanning equipment with a simpler optical system using a camera and image processing algorithms. The timber-working head incorporates a camera that captures images of the tree stem, and a processor analyzes these images to detect defects, thereby substituting mechanical scanning with optical-digital methods to reduce device complexity while maintaining measurement precision
Solution Approach 2:
The system creates a digital copy (image) of the tree stem surface to analyze defects remotely. Instead of physically scanning the stem with complex contact-based equipment, the camera captures a visual copy that can be processed digitally to identify defects, reducing the need for complex physical scanning mechanisms
2Measurement precision
If separate scanning apparatus is used to scan tree stems, then measurement precision is improved, but productivity decreases due to additional processing steps and downtime
Solution Approach 1:
The patent merges the defect detection function with the existing timber-working head by integrating a camera and image processing capabilities directly into the harvesting equipment. This combination eliminates the need for separate scanning apparatus and allows defect identification to occur during the normal processing operation, thereby maintaining measurement precision while improving productivity by removing additional processing steps
Solution Approach 2:
The system performs defect detection preliminarily during the timber processing operation itself. By capturing and analyzing images of the tree stem as it passes through the working head, the system identifies defects before final cutting decisions are made, allowing real-time optimization of log values without adding post-processing steps that would reduce productivity
3Adaptability or versatility
If manual defect identification and optimization determination is performed by operators, then adaptability to defects is improved, but productivity decreases due to operator stress, fatigue, and time consumption
Solution Approach 1:
The system enables self-service by allowing the timber-working head to automatically identify defects and determine optimal cutting positions through integrated image processing and optimization algorithms. The processor analyzes captured images, identifies defects autonomously, and calculates the best cutting strategy without requiring operator intervention, thereby maintaining adaptability to various defect types while improving productivity by eliminating manual analysis time and reducing operator fatigue
Solution Approach 2:
The system implements feedback by using the captured images and identified defect locations to automatically adjust cutting positions and optimize log values in real-time. The processor continuously analyzes visual feedback from the camera and uses this information to make immediate optimization decisions, replacing manual operator judgment with automated feedback-based control that maintains adaptability while increasing processing speed
Data Source
AI summary
An apparatus for processing a length of material, comprises at least one processor configured to: receive a signal indicating manual designation of a point along the length of material as a first end point; receive at least one signal from at least one distance measuring device associated with a timber-working head, the signal indicating the distance between the first end point and a second end point on the length of material; and determine the actual length of material to be processed. An associated method is disclosed.