Robotic Weaving Control for Precise Conductive Strand Routing
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Solution Overview
Problem
Existing weaving technologies face challenges in creating desired signal paths and incorporating electrical components into woven fabric, as strands of material often fail to be routed along intended paths and components are not interconnected as desired.
Innovation Solution
The weaving equipment includes warp and weft strand positioning systems, a reed with a linear actuator, and individually controllable devices for warp fiber tensioning and component insertion, allowing for independent control of each component to pause and restart operations during component insertion, enabling precise formation of fabric with integrated electrical components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional synchronous weaving operation is used, then weaving process is simple and continuous, but strands cannot be precisely routed and components cannot be properly interconnected
Solution Approach 1:
The system transitions from synchronous operation to dynamic asynchronous operation, where each weaving component (warp positioning, weft insertion, reed movement, take-down) can be independently controlled to pause and restart. This dynamic control allows precise positioning of strands and components at specific locations within the fabric structure, resolving the contradiction between precision and complexity.
Solution Approach 2:
The weaving control system is segmented into independently controllable modules: warp strand positioning equipment, weft strand positioning equipment, electrical component insertion equipment, reed control, take-down equipment, and warp tensioning devices. Each module can be controlled separately by control circuitry, enabling precise routing of individual strands and proper placement of components without requiring complete synchronization of all systems.
2Manufacturing precision
If all weaving components operate simultaneously in synchronization, then production efficiency is high, but component insertion and strand positioning cannot be accurately controlled
Solution Approach 1:
The system uses periodic pausing of weaving operations at strategically chosen points to perform component insertion and strand positioning. The control circuitry temporarily halts specific components (such as reed movement or weft insertion) at precise moments during the weaving cycle, allowing accurate placement of electrical components and routing of conductive strands, then resumes operation to maintain overall productivity.
3Manufacturing precision
If individual components are controlled independently with pause capability, then strand routing and component insertion precision is improved, but control system complexity increases
Solution Approach 1:
The control circuitry monitors the positions and states of all weaving components and adjusts their operation accordingly. Feedback signals from sensors detect the location of strands and components, allowing the control system to make real-time adjustments to timing and positioning, ensuring precise fabric formation and component integration despite the increased complexity of independent control.
Data Source
AI summary
Weaving equipment may include warp strand positioning equipment that positions warp strands and weft strand positioning equipment that inserts weft strands among the warp strands to form fabric. The fabric may include insulating strands and conductive strands. The conductive strands may be coupled to electrical components. The warp strand positioning equipment may position the warp strands to form a shed. Component insertion equipment may be used to insert electrical components into the shed. The weaving equipment may have a reed. The reed may be used to help position an electrical component in the fabric. The weaving equipment may have take-down equipment and individually controllable warp fiber positioning and tensioning devices.