Ankle Positioning Device Marc DeAngelis Paul Hauris Katherine Leshkow Jennifer Moore Spring 2013
Background Complex Joint Full Range of Motion Inversion/Eversion Plantar Flexion/Dorsiflexion Internal/External Rotaton
Introduction Basic Goals Our Goals x-, y-, z-axes Working Model Load applied Horizontal, vertical 5DOF Our Goals Working Model User-friendly Cost Effective Minimal Machining
Designs Pin Layered Framed Plates Gimbal Pin 4DOF
Layered 3DOF Framed Plate 3 DOF
Gimbal 4 DOF Built upon earlier ideas
Basic Conceptual Design Selected Design 4 DOF
Clamp Design (Tibia)
Design Modifications Joint Design Motors Load Cell Top Bracket Dimensions
Joint Design
Motor Selection
Motor Selection 100 lbs Calculations Torque Consideration Weight Requirement Final Selection
Design Modifications - Load Cell Function Importance of Location
Cost Analysis Base Plates 24” x 24” 1” thick Al plate - $544.97 Stabilizer Base 3/16” thick Al $129.88 Three Motors - $719.94 TOTAL ESTIMATED COST: 1,972.57
2nd Status Report Goal Control Algorithm Sent Design to Machine Shop Ordered Parts Ready for Assembly and Testing
Gantt