TY - GEN
T1 - LPRS Analysis of Super Twisting Sliding Mode Control System
AU - Rehan, Ahmed
AU - Boiko, Igor
AU - Zweiri, Yahya
N1 - Publisher Copyright:
© 2024 IEEE.
PY - 2024
Y1 - 2024
N2 - In this work, we analyze the chattering phenomenon in Supertwisting (ST) Sliding Mode Control (SMC) system, using the Locus of a Perturbed Relay System (LPRS) method. Due to the nonlinear nature of system dynamics, we adopt a numerical approach to compute both the real and imaginary parts of the LPRS. We address unmodeled dynamics by incorporating a second-order actuator model. Our analysis focuses on how changes in the actuator parameter influence the chattering characteristics of the system's output. The ST control loop is re-structured to a standard form of relay feedback system. This enables us to employ the LPRS to compute, for the first time, periodic solutions of the ST SMC system, that provide insights about its average dynamics and the existence of chattering in its practical implementation.
AB - In this work, we analyze the chattering phenomenon in Supertwisting (ST) Sliding Mode Control (SMC) system, using the Locus of a Perturbed Relay System (LPRS) method. Due to the nonlinear nature of system dynamics, we adopt a numerical approach to compute both the real and imaginary parts of the LPRS. We address unmodeled dynamics by incorporating a second-order actuator model. Our analysis focuses on how changes in the actuator parameter influence the chattering characteristics of the system's output. The ST control loop is re-structured to a standard form of relay feedback system. This enables us to employ the LPRS to compute, for the first time, periodic solutions of the ST SMC system, that provide insights about its average dynamics and the existence of chattering in its practical implementation.
UR - https://www.scopus.com/pages/publications/85212287408
U2 - 10.1109/VSS61690.2024.10753397
DO - 10.1109/VSS61690.2024.10753397
M3 - Conference contribution
AN - SCOPUS:85212287408
T3 - Proceedings of IEEE International Workshop on Variable Structure Systems
SP - 19
EP - 22
BT - 2024 17th International Workshop on Variable Structure Systems, VSS 2024
PB - IEEE Computer Society
T2 - 17th International Workshop on Variable Structure Systems, VSS 2024
Y2 - 21 October 2024 through 24 October 2024
ER -