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P10029: Control Enhancements for Air Muscle Biomimetic Hand Customer: Dr. Lamkin-Kennard Faculty Guide: Ed Hanzlik Team Members: Zach Wessner, Jaci Tylkowski, Alex Bean, Mark Wood, Tuan Tran, Kevin Mudrak October 16, 2009
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P10029 is a continuation project ◦ Physical system was built by P09023 ◦ Final design will be integrated into Dr. Lamkin- Kennard’s pneumatically driven scalable robotic hand devices Controls system is the focus ◦ Maintenance and repair only of the physical system Virtual and Physical prototypes ◦ Virtual system modeled in SolidWorks and both controlled by LabView
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System Level Design Review – 10/16/09 Detailed Design Review – 11/06/09 (3weeks ) ◦ Virtual Concept Selected ◦ Physical Prototype benchmarked ◦ Controls (Physical & Virtual) designed Project Management Review – 11/20/09 (5weeks) ◦ Controllable virtual system ◦ Controllable physical system ◦ Calibration Plan / DAT Plan
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Build kinematic model using SolidWorks/Cosmos Motion Builder 3-D Closed loop feedback for both hand and model. Drive kinematic model using the inputs from the mechanical hand. Virtual and Physical Models output displacements Quantitative analysis comparing displacements of mechanical hand to model.
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Top 3 Metrics based on the HOQ ◦ Functionality ◦ Accuracy ◦ Repeatability
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LabView GUI Virtual System Programming Physical System Programming Inputs to Labview GUI -% of Travel -3 Space Location -System Selection (Physical/Virtual) -Coded Movements -Absolute/Relative Joint Position Physical Programming Function -convert input into time to open/close valves -Convert DAQ voltages into position outputs Virtual Programming Function -convert GUI input into 3 space for virtual model -Convert sensor output to 3 Space Location Inputs Outputs Legend
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Originator: P09023 Date Created: 2008 FILL/VENT RELAYS 20 MUSCLES 10 x 20
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Originator: P09023 Date Created: 10-3-2008 [ 20, 1 ]
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SoftMotion Functions Trajectory Generator Communication Interface (Scan Engine) Motion Simulation NI LabView 2009 w/ SoftMotionSolidWorks 2009 Premium User Input: [LabView Front Panel] Coordinate Move Single Axis Move User Input: [SolidWorks Assembly] Motion Analysis System Output: [SolidWorks Assembly] Visual Motion of Assembly System Output: [LabView Front Panel] Displacement Feedback
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Goal: 1.LabView 2009 SoftMotion: meets objectives? 2.Educate team for full-scale model 3.System architecture Plan Simplified SolidWorks model Research & tutorials for LabView Develop LabView control (single axis) o Functional Evaluation Joint design, movement, controls scheme, feedback Iterative (adding complexity)
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SolidWorks Model 1 DOF Simulated Joint
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Issues / Risks: Scan Engine Period [5ms or 10 ms] / Deployment Virtual Controls Scheme differs from Physical Virtual Error = 0?
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What are we doing? Kevin/Tuan WIP Document the bitching about the physical system USB 2.0
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Volt meter Modified Vision TrackingProtractor String IndicatorDial GaugeTemplates Revolution Measurement (pulley) Units of MeasureV in/mm/degdegreesin/mm Revolutions Type of Measurevoltage displacementangledisplacement modeldisplacement Accuracy++00++0 Repeatibilty++0+++0 Uncertainity0+0+0+- Cost++++0+0 Availability++++0++ Complexity-0--0-0 Total score3513240 Concepts generated for measurement of displacement Measurement of error was also considered
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Are our resources sufficient? ◦ Physical System ◦ Computer ◦ Software
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