3D Camera Feedback Control for Profile Bending Accuracy
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Solution Overview
Problem
Current profile bending machines with three and four rollers lack a feedback loop for real-time control and correction, relying on manual operation or limited contactless devices that cannot provide a three-dimensional view of the bending process, leading to potential errors in achieving predetermined angles, radii, or diameters.
Innovation Solution
The integration of 3D cameras into the profile bending machine with three and four rollers creates a feedback loop between the computer and the bending process, enabling real-time detection and correction by providing a three-dimensional view of the profile's position and shape, allowing for precise control and adjustment to achieve predetermined angles, radii, or diameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual operation or limited contactless devices are used for profile bending control, then device complexity is reduced, but manufacturing precision deteriorates due to lack of real-time feedback and three-dimensional detection capability
Solution Approach 1:
The patent implements a feedback control system where 3D cameras capture real-time profile position and shape data during bending, the computer processes this information to determine deviations from target parameters, and the system automatically adjusts roller positions to correct deviations, establishing a closed-loop control that continuously refines bending accuracy
Solution Approach 2:
The patent replaces manual mechanical operation with an automated optical-mechanical system where 3D cameras (optical detection) capture profile geometry, computer algorithms process the visual data to calculate bending parameters, and electronic control systems adjust roller positions, substituting human manual control with an integrated optical-computational-mechanical automation system
2Manufacturing precision
If 3D cameras are integrated into the bending machine, then manufacturing precision is improved through real-time detection, but device complexity increases due to additional sensing and control systems
Solution Approach 1:
The patent makes the computer controlling system multi-functional by integrating both 3D camera data processing capabilities and traditional bending control functions within a single computational platform, allowing the same system to handle visual detection, parameter calculation, and roller actuation control, thereby reducing overall system complexity despite added sensing capabilities
Solution Approach 2:
The patent introduces the computer as an intermediary that bridges the 3D cameras and the bending mechanism, translating complex visual data into actionable control signals for the rollers, and mediating between detection and execution to simplify the integration of multiple subsystems
3Manufacturing precision
If real-time feedback loop is established with 3D cameras, then manufacturing precision is improved through continuous monitoring, but loss of time increases due to data processing requirements
Solution Approach 1:
The patent performs preliminary actions by pre-calculating and storing optimal bending parameters and correction algorithms in the computer system before the actual bending process begins, enabling the system to quickly retrieve and apply appropriate control strategies during real-time operation without extensive on-the-fly computation
Solution Approach 2:
The patent implements efficient real-time processing by skipping unnecessary computational steps and focusing only on critical deviation detection and correction, rapidly processing only the essential 3D camera data needed for immediate control adjustments rather than analyzing complete profile geometries
4Measurement precision
If contactless device measures only one point distance, then device complexity is minimized, but measurement precision deteriorates as it cannot provide three-dimensional view or detect multiple parameters simultaneously
Solution Approach 1:
The patent transitions from one-dimensional single-point distance measurement to three-dimensional comprehensive profile detection by implementing 3D cameras that capture spatial coordinates, curvature, and orientation information across the entire profile surface, adding dimensional complexity to the measurement capability
Data Source
AI summary
A bending machine has an automated profile bending process for providing controlled management, regulation of the controlled management, correction of the automated profile bending process, and application of 3D cameras to the bending machine. The bending machine includes a first camera fixed to a first holder and a second camera fixed to a second holder. The bending machine further includes rollers for applying the holders to the bending machine to provide a three-dimensional view of a portion of the bending process. The bending machine even further includes a computer for controlling the bending process, and the bending process includes a profile defined dimensionally and in space relative to the bending machine.