3D Model Generation Using Flexible Gripping Coordinate Alignment
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Solution Overview
Problem
Existing systems face challenges in efficiently generating three-dimensional models of various objects due to the difficulty in automatically setting a coordinate axis, necessitating manual intervention and hindering efficient data generation.
Innovation Solution
A system comprising an end effector with a flexible grip part, deformation sensors, and a calculation unit to determine the normal direction of an object's surface, allowing for the automatic setting of a reference coordinate system based on the object's symmetry, along with a three-dimensional shape measuring instrument to scan and rotate the object for accurate data capture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a coordinate axis is set manually to determine object symmetry, then the three-dimensional model can be generated with proper coordinate alignment, but the process becomes time-consuming and reduces productivity
Solution Approach 1:
The system automatically determines the coordinate axis by analyzing the object's own geometric features (circular cross-sections, symmetry axes) without requiring manual intervention. The processing apparatus autonomously identifies grip positions and calculates coordinate systems based on the object's inherent geometry, making the system self-sufficient in coordinate alignment tasks
Solution Approach 2:
The patent replaces manual mechanical coordinate setting with an automated computational system that uses image processing and geometric analysis. Instead of human operators manually aligning coordinates, the system uses algorithms to detect object features and automatically establish the coordinate system, substituting mechanical/manual operations with computational automation
2Adaptability or versatility
If various objects are measured without automatic coordinate setting, then measurement flexibility is maintained, but coordinate consistency and model accuracy deteriorate
Solution Approach 1:
The system employs a universal coordinate determination method that works across different object types. By identifying common geometric features (circular cross-sections, symmetry elements) and applying a standardized algorithmic approach, the system achieves both versatility in handling various objects and consistency in coordinate establishment through a unified multi-functional process
Solution Approach 2:
The system dynamically adjusts measurement parameters and coordinate system definitions based on the specific geometric characteristics of each object. By changing parameters such as grip position, scanning angles, and coordinate origin based on detected object features, the system maintains adaptability while ensuring coordinate consistency through parameter optimization tailored to each object's geometry
Data Source
AI summary
A system, a method, and a program for generating a three-dimensional model are provided. A system for generating a three-dimensional model according to an embodiment includes an end effector including a flexible grip part for gripping an object, a deformation sensor configured to detect a deformed shape of the grip part in a state of gripping the object, a calculation unit configured to calculate a normal direction of a surface of the object from surface shape data of the object, a decision unit configured to decide a grip position of the object to be gripped by the end effector based on the normal direction, and a coordinate system setting unit configured to set a reference coordinate system according to the deformed shape of the grip part.