Figure 4. Developed switching control by additional Sigma Function

From

A Novel Approach in Design of Model-free Fuzzy Sliding Mode Controller to SISO Chemical Processes

M. Khodadadi, M. Shahbazian, M. Aghajani

Journal of Automation and Control. 2015, 3(1), 1-9 doi:10.12691/automation-3-1-1