Table A-1: Design Requirements for an Exoskeleton.
Function Beam or Column
Constraints -Length L specified
-Strength: must not fail under design loads
-Buckling: must not buckle under design loads
-Must not fracture if accidently struck
-Must support at least 10% of a person’s total weight
Objectives Minimize cost, C
Free Variables -Diameter of column
-Choice of material
Additional Requirements -High fracture toughness
-Reasonable formability