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Information Technology Goals

The research at Viterbi School of Engineering aims to develop software components for automating mega-scale fabrication, integrating various geometries, and precise path planning for trowels and nozzles. The system includes flow and position sensors, nozzle control, and dynamic control for optimal fabrication results.

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Information Technology Goals

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  1. Information Technology Goals • Perform the fundamental research and develop the software components for automating mega-scale fabrication • Integrate components with each other and with robots from other thrusts Viterbi School of Engineering .

  2. Research Plan Viterbi School of Engineering .

  3. Layering various geometries Viterbi School of Engineering .

  4. rotate + move layer thickness concave contour gap lift Previous deposition current deposition side trowel h side trowel (a) Lift-Rotate-Plunge a) push-in at steady extrusion speed dragging rotating push-in (b) Drag-and-push b) push-in at reduced extrusion speed Trowel path planning Trowel path planning and nozzle control around sharp convex corners Trowel path planning and nozzle control around concave corners Viterbi School of Engineering .

  5. Nozzle path planning Viterbi School of Engineering .

  6. FlowSensor Desired Material Flow - Flow Control Law Material Flow Computation Material Flow Dynamics + Material Flow System Dynamics Position Sensor Gantry Dynamic Model - Nozzle Forces Commanded Position Nozzle Position & Orientation Nozzle Control Law Nozzle Actuator + Wheel Torques Gantry Position Gantry Motion Controller Robot Wheel Motors Position Sensors Dynamic Control

  7. Figure : Visual inspection Contour Crafting Viterbi School of Engineering .

  8. The Integrated IT System Viterbi School of Engineering .

  9. Architectural Design Logistics plan Robot Integrated Modular Commands Nozzle path plan CC Software Components Hardware Assembly plans Systems Hardware & Assembly Inspection plan Feedback Visual Data Sensory Data Supply Dispatch Indexed Video Log Performance Restrictions Extrudable Structure design & Materials & Predictive Performance performance Requirements Fabrication Interrelationships among the three research thrusts Viterbi School of Engineering .

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