Research Article

Performance Comparison of Particle Swarm Optimization and Gravitational Search Algorithm to the Designed of Controller for Nonlinear System

Table 3

obtained from combination of backstepping with PSO and GSA.

ā€‰Sum of squared error,
ā€‰PSOGSA

Case 10.840733.1103
Case 20.553315.0156
Case 30.576552.1216
Case 40.55334.3118