Robotic Drywall Mudding With Sensor Feedback for Consistent Joints
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Solution Overview
Problem
Existing drywall installation and finishing processes are labor-intensive and lack efficiency, particularly in the application and drying of joint compound, which can result in inconsistent finishes and prolonged project timelines.
Innovation Solution
An automated drywalling system that integrates a robotic arm with modular end effectors for tasks such as cutting, hanging, applying joint compound, and sanding, utilizing sensors and vision systems for precision and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated drywalling system is implemented, then productivity and consistency are improved, but device complexity increases
Solution Approach 1:
The automated drywalling system is divided into separate functional modules: a robotic arm for positioning, interchangeable end effectors for different tasks (taping, mudding, sanding), and independent control systems. This segmentation allows each component to be optimized independently while maintaining overall system productivity and managing complexity through modularity.
Solution Approach 2:
The robotic arm is designed as a universal platform that can perform multiple drywall operations by switching between different end effectors. The same robotic arm handles taping, mudding, sanding, and inspection tasks, reducing the need for multiple specialized machines and simplifying the overall system architecture while maintaining high productivity.
2Manufacturing precision
If precision application of joint compound is achieved, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The mudding end effector incorporates sensors that provide real-time feedback on joint compound application thickness and coverage. This feedback loop allows the control system to automatically adjust application parameters, ensuring consistent precision without requiring complex manual intervention or overly complicated mechanical systems.
Solution Approach 2:
The system replaces complex mechanical precision mechanisms with automated control systems and sensors. Instead of using highly精密 mechanical components to achieve precise compound application, the patent uses electronic control and sensing to regulate the application process, simplifying the mechanical design while maintaining or improving precision.
3Productivity
If automated sanding and finishing operations are performed, then productivity is improved, but device complexity increases
Solution Approach 1:
The robotic arm serves as a universal platform that performs multiple finishing operations including taping, mudding, sanding, and inspection by switching between different end effectors. This multi-functionality increases productivity across all operations while avoiding the complexity of having separate automated systems for each task.
Solution Approach 2:
The system uses disposable or easily replaceable end effectors that can be quickly swapped between tasks. Instead of designing complex reconfiguration mechanisms for the robotic arm, the system simplifies complexity by allowing rapid attachment and detachment of effectors, enabling high productivity through quick task transitions without permanent system modifications.
Data Source
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AI summary
An automated drywalling system for applying joint compound or plaster to drywall pieces. The system includes a robotic arm and a mudding end effector coupled at a distal end of the robotic arm, the mudding end effector configured to apply joint compound or plaster to a target surface. The system can further include a computing device executing a computational planner that: generates instructions for driving the mudding end effector and robotic arm to perform at least one mudding task that includes applying joint compound or plaster, via the mudding the end effector, to one or more joints between a plurality of drywall pieces, the generating based at least in part on obtained target surface data; and drives the end effector and robotic arm to perform the at least one mudding task.