... York, USA.Levant, A. ( 199 3). Sliding order and sliding accuracy in sliding mode control, InternationalJournal of Control 58(6): 1247–1263.Ogata, K. (2001). Modern Control Engineering, Prentice ... needs and auxiliary control loop (as shown in the integral sliding mode control design, Utkin et al. ( 199 9)). In our case, the architecture of the control system based ontwo control loops and ... Hägglund, T. ( 199 5). PID Controllers: Theory, Design and Tuning,InstrumentSociety America, USA.Bartolini, G., Ferrara, A., Levant, A. & Usai, E. ( 199 9). On second order sliding mode controllers,...