Continuous-time and discrete-time sliding mode control accomplished using a computer
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Institute of Electrical and Electronics Engineers (IEEE)
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A computer-based sliding mode control (SMC) is analysed. The control law is accomplished using a computer and A/D and D/A converters. Two SMC designs are presented. The first one is a continuous-time conventional SMC design, with a variable structure law, which does not take into consideration the sampling period. The second one is a discrete-time SMC design, with a smooth sliding law, which does not have a structure variable and takes into consideration the sampling period. Both techniques are applied to control an inverted pendulum system. The performance of both the continuous-time and discrete-time controllers are compared. Simulations and experimental results are shown and the effectiveness of the proposed techniques is analysed.
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Iee Proceedings-control Theory and Applications. Hertford: IEE-inst Elec Eng, v. 152, n. 2, p. 220-228, 2005.
