Research Article

SQP Optimization of 6dof 3x3 UPU Parallel Robotic System for Singularity Free and Maximized Reachable Workspace

Table 6

Three-variable optimization by narrowing target constraint regions.

Cost.F(x)Base Platform Radius
0.1250.1260.1270.1280.129
Leg Length
0.3000.3250.3500.3750.400

Mobile Platform Radius0.0704.8xE74.8xE73.2xE73.2xE74.8xE7
0.0760.0750.0710.0720.076
0.1250.1260.129
0.3000.3230.3490.3740.391
0.0714.8xE74.8xE73.2xE74.8xE74.8xE7
0.0750.0740.0710.0740.076
0.1250.1260.1270.1280.129
0.3000.3240.3500.3730.398
0.0724.8xE74.8xE7-4.8xE74.8xE7
0.0760.087-0.0730.077
0.1250.120-0.1280.125
0.3000.330-0.3750.385
0.0744.8xE7-6.4xE76.4 xE74.8xE7
0.076-0.0910.0870.075
0.125-0.1260.1280.130
0.300-0.3330.3750.399
0.0764.8xE74.8xE76.4xE74.8xE76.4xE7
0.0770.0760.0760.0770.084
0.1250.1250.1270.1250.128
0.3000.3000.3500.3740.385
0.0786.4xE76.4xE76.4xE76.4xE76.4xE7
0.0780.0780.0780.0810.094
0.1250.1260.1250.1290.125
0.3000.3250.3000.3750.355
0.0804.8xE76.4xE76.4xE76.4xE74.8xE7
0.0700.0800.0940.0900.076
0.1250.1260.1260.1260.125
0.3220.3250.3350.3750.335