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- Title
Optimal gain scheduling of VSC-HVDC system sliding mode control via artificial bee colony and mine blast algorithms.
- Authors
Ramadan, Haitham S.; Fathy, Ahmed; Becherif, Mohamed
- Abstract
This study focuses on the optimal gain scheduling of the robust non-linear sliding mode control (SMC) for the voltage source converters high-voltage direct current (VSC-HVDC) systems, for ensuring the desired dynamic behaviour improvement and stability enhancement. First, the development of the system steady-state mathematical model of non-linear character is explored in order to control the active power, the reactive power, and the DC link voltage towards their desired set point values. Their measured signals, as the outputs, are controlled via the optimal SMC-based controllers, using their reference signals directly. Both artificial bee colony and mine blast algorithm are considered to optimally select the optimal gains of SMC controller that will minimise the steady-state error of the obtained dynamic behaviour. Therefore, the DC voltage, the active and reactive powers can be properly maintained at their reference values. Both optimal SMC-based techniques are compared in terms of the behavioural analysis and robustness. Using MATLAB™-Simulink, the results significantly verify that the designed controllers based on SMC can achieve favourable tracking performance and contribute efficiently towards improving the system dynamic behaviour.
- Subjects
SLIDING mode control; BEE colonies; HIGH-voltage direct current converters; SYSTEM dynamics; ROBUST control
- Publication
IET Generation, Transmission & Distribution (Wiley-Blackwell), 2018, Vol 12, Issue 3, p661
- ISSN
1751-8687
- Publication type
Article
- DOI
10.1049/iet-gtd.2017.0935