Fig. 9

The number of iterations required for the CECPSO, PSO, GA, and SA to achieve performance values within 1% of the optimal performance value. (a) Comparison of the convergence rate of CECPSO, PSO, GA, and SA with 16 sensors and 30 tasks; (b) Comparison of the convergence rate of CECPSO, PSO, GA, and SA with 24 sensors and 60 tasks; (c) Comparison of the convergence rate of CECPSO, PSO, GA, and SA with 32 sensors and 120 tasks; (d) Comparison of the convergence rate of CECPSO, PSO, GA, and SA with 40 sensors and 240 tasks.