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Table 8 Key performance indicator (KPI) average variances (mm 2 ) of 90 experiments with heuristic and optimized experimental design for parameter identification

From: A computational method for key-performance-indicator-based parameter identification of industrial manipulators

Cost function

Average variance of KPI (mm 2 ): \(\boldsymbol{\frac{1}{3}\operatorname {tr}( {C}_{s})}\)

Heuristic

Optimized

Optimized

\(\phi_{A}( {C}_{p})\)

0.61

0.39

0.43

\(\phi_{A}( {C}_{s})\)

0.61

0.33

0.35

Collision avoidance

-

No

Yes

  1. Optimization is performed with different cost functions.