About this Abstract |
| Meeting |
2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
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| Symposium
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2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
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| Presentation Title |
Physical Validation of a Threat Field-Based Online Planner for Multi-Robot Additive Manufacturing |
| Author(s) |
Julienne Anastasia Cantu, Ronnie F.P. Stone, Zhenghui Sha |
| On-Site Speaker (Planned) |
Julienne Anastasia Cantu |
| Abstract Scope |
Cooperative 3D printing (C3DP) is an advanced additive manufacturing framework in which multiple printing agents simultaneously fabricate large-scale parts, with collisions between agents being a major challenge. This work focuses on an online threat field-based method for generating minimum-risk homing trajectories as opposed to pre-determined toolpaths. The proposed algorithm directs printers toward regions of lower collision risk while accounting for physical constraints. As this methodology is limited to simulations, this paper focuses on physical validation through experimental characterization of printer response latency and pause-and-resume uncertainties affecting print quality. A Design-of-Experiment approach is used to evaluate the effects of dwell time, command frequency, pause duration, and filament retraction on response latency and print quality. Preliminary results indicate that latency and pause-related uncertainties significantly affect printer response consistency and print quality, highlighting the need for optimization of key operational parameters to improve the reliability of online collision avoidance in C3DP systems. |
| Proceedings Inclusion? |
Undecided |