End Effector Pressure Circulation for Irregular Paint Application
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Solution Overview
Problem
Conventional printing technologies are unable to accurately reproduce the richness and layering effects of human-created marks, such as those from traditional painting, due to their inability to handle irregular and chaotic movements, and they are limited in printing on non-horizontal surfaces and with oil-based or acrylic paints.
Innovation Solution
A painting machine with custom software and end effectors that can mimic human brush strokes, allowing for flexible tools and mediums to recreate creator input, including irregular and chaotic movements, on various surfaces using oil-based or ultraviolet-cured inks, and enabling dynamic control over mark making processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional printing technologies are used to reproduce marks, then the printing process is orderly and controlled, but the ability to reproduce irregular and chaotic movements and layered effects is lost
Solution Approach 1:
The system transitions from static, pre-programmed printing paths to dynamic, real-time control of the end effector. The motion controller continuously adjusts the end effector's position, orientation, and speed based on feedback from sensors and stored creator input, enabling reproduction of irregular and chaotic movements while maintaining precision.
Solution Approach 2:
The system incorporates feedback mechanisms where the motion controller receives information about the end effector's actual position and movement, comparing it with the desired trajectory from creator input. This closed-loop control enables accurate reproduction of irregular movements by continuously correcting deviations in real-time.
2Adaptability or versatility
If traditional painting tools are used, then irregular and chaotic movements can be produced, but the process cannot be digitally reproduced or controlled
Solution Approach 1:
The system captures and stores digital representations of creator input (movements, pressures, tool orientations) and uses these copied data to control the end effector. This allows digital reproduction of traditional painting techniques while maintaining the irregular and chaotic characteristics of hand-created marks.
Solution Approach 2:
The system replaces traditional mechanical painting tools with an automated end effector controlled by digital data. The mechanical system is substituted with a programmable system that can precisely replicate the movements, pressures, and orientations of traditional tools while enabling digital control and reproduction.
3Adaptability or versatility
If conventional printing hardware is used, then the system is simple and reliable, but it cannot print on non-horizontal or irregularly shaped surfaces
Solution Approach 1:
The end effector system is designed as a universal platform that can operate on various surfaces (horizontal, vertical, irregularly shaped) by adjusting its position and orientation. The same basic system architecture serves multiple functions and surface types, reducing overall complexity despite the expanded capability.
4Ease of operation
If typical printing software is used, then the software is easy to operate, but it cannot follow irregular or non-linear pathways
Solution Approach 1:
The system stores creator input (irregular pathways, movements, pressures) in advance before the printing process. This preliminary capture and storage of movement data allows the software to reproduce complex non-linear pathways without requiring real-time complex calculations, maintaining ease of operation while enabling versatile path following.
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
The painting machine produces outputs that closely resemble traditional hand-painted works by replicating the stylistic and textural elements of human-created marks, overcoming the limitations of conventional printing technologies in reproducing layered and textured effects.
Implementation Method 1
The pump may be configured to circulate the ink through the conduit in a continuous loop at a flow rate sufficient to maintain a substantially constant pressure within the ink circulation system
Implementation Method 2
The pressure sensor may monitor changes in pressure within the ink circulation system and provide feedback to the controller
Implementation Method 3
The controller may be configured to regulate operation of the pump in response to the monitored pressure changes to maintain a target pressure in the ink circulation system
Data Source
AI summary
Apparatus and method for a painting machine are provided. The painting machine may include an end effector controlled by custom software. The painting machine may include a self-contained medium circulation system. The custom control software may be capable of coordinated n-axis manipulation of an end. Illustrative end effectors may include an inkjet head, brush, air brush or any suitable tool for applying ink, paint, color and/or texture to a surface. For example an end effector may utilize oil-based ink or ultraviolet-cured ink. Illustrative surfaces may include canvas, paper, brick, glass etc. The custom control software may control manipulation of the end effector based on a variety of electronic inputs. The custom software may manipulate different end effectors in different ways depending on the input data, type of ink/paint being used, type of surface receiving the ink/paint or any other variable.