3D Scanner on Robotic Arm for Mobile Platform Measurement
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Solution Overview
Problem
Current methods for automated dimensional measurements lack the capability to perform measurements while moving and navigating to different spots while maintaining results in a common frame of reference, limiting their versatility and accuracy.
Innovation Solution
A system comprising a mobile platform with motorized wheels, a robotic articulated arm, and a 3D measuring device that can detachably couple to an adapter, allowing for the determination of 3D coordinates by controlling the movement of the platform and arm segments, and sending electrical signals to processors to operate the measuring device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If fixed automated instruments (Cartesian CMM, fixed robot) are used for dimensional measurements, then measurement automation is achieved, but the system lacks mobility and cannot navigate to different measurement positions
Solution Approach 1:
The patent transforms the fixed measurement system into a mobile one by mounting the 3D measuring device on a mobile platform with motorized wheels. The system can now dynamically move to different positions and orientations around the workpiece, combining automation with mobility. The mobile platform includes drive mechanisms that enable controlled movement, allowing the system to automatically navigate to required measurement positions while maintaining automated measurement capabilities.
2Adaptability or versatility
If handheld measuring instruments are used, then mobility and navigation to different spots are enabled, but the measurements are not automated and require manual operation
Solution Approach 1:
The patent creates a system that combines the mobility of handheld instruments with the automation of fixed instruments. The mobile platform with robotic articulated arm can automatically position the 3D measuring device at various locations, while the system maintains the flexibility to access different positions around the workpiece. The integrated system performs both positioning and measurement functions automatically, eliminating the need for manual operation while preserving mobility.
3Measurement precision
If measurements are taken from multiple positions, then complete coverage of complex geometries is achieved, but maintaining results in a common frame of reference becomes complex
Solution Approach 1:
The patent incorporates feedback mechanisms through sensors and detection devices that continuously monitor the position and orientation of the mobile platform and robotic arm. This feedback information is used to automatically calculate transformation matrices and coordinate system alignments, enabling the system to maintain all measurement data in a common frame of reference. The feedback loop ensures accurate registration of measurements taken from different positions without requiring complex manual coordination.
Data Source
AI summary
A motorized mobile platform includes a robotic articulated arm and a triangulation scanner for performing three-dimensional measurements, the robotic arm and the triangulation scanner removably coupled with connectors.