Sliding Mode Stabilization and Synchronization Chapter | 10 309 (A) 100 50 Error (3) 0 –50 –100 0 2 4 6 8 10 12 Time (s) (B) 60 40 20 Error (4) 0 –20 –40 –60 0 2 4 6 8 10 12 Time (s) FIGURE 10.25 Real components of the errors e(3) and e(4).