Design and HIL implementation of a new robust fractional sliding mode control of microgrids

Hadi Delavari; Sina Naderian

Design and HIL implementation of a new robust fractional sliding mode control of microgrids

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Author(s): Hadi Delavari¹ and Sina Naderian¹
- Affiliations: 1: Department of Electrical Engineering, Hamedan University of Technology , 65155, Hamedan , Iran
Source: Volume 14, Issue 26, 29 December 2020, p. 6690 – 6702
DOI: 10.1049/iet-gtd.2020.0865 , Print ISSN 1751-8687, Online ISSN 1751-8695

Received 09/05/2020, Accepted 20/11/2020, Revised 02/11/2020, Published 06/01/2021

Microgrid inverters in the presence of faults, unavoidable modelling uncertainties, disturbance and harmonic current resulting from nonlinear loads should have small steady state tracking error, small THD and high robustness hence this subject has turned one of the motivations of this investigation. To achieve the stated goals, fractional adaptive sliding mode controller (FASMC) is proposed in this paper. The proposed controller increases the robustness, flexibility and degree of freedom. As far as in practice it is not easy to define the bounds of disturbances and guarantee the system stability, hence in next step, to overcome this challenge the adaptation laws are suggested. Then for the problem of determining the controller parameters, Particle Swarm Optimization (PSO) algorithm is used. The performance of the proposed technique is investigated for an islanded microgrid under different disturbances, also to verify the advantages of the proposed controller, the results are compared with other controllers. Finally, the proposed controller and PID controller are implemented experimentally on Arduino mega 2560 microcontroller.

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Design and HIL implementation of a new robust fractional sliding mode control of microgrids

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