Design of integral terminal sliding mode controller for the hybrid AC/DC microgrids involving renewables and energy storage systems

Armghan, Hammad; Yang, Ming; Armghan, Ammar; Kamran, Ali; Wang, M.Q.; Ahmad, Iftikhar

doi:10.1016/j.ijepes.2020.105857

Cited by 61 publications

(22 citation statements)

References 37 publications

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“…DC microgrids are mainly divided into two broad categories depending on operating conditions: gridconnected mode and islanded mode. Both the configuration of DC microgrids depends on RESs to reduce the carbon footprint [11], [12]. However, the integration of RESs with DC microgrids reduces the reliability of the system due to the intermittent nature of renewable sources.…”

Section: Introductionmentioning

confidence: 99%

DC Microgrid Planning, Operation, and Control: A Comprehensive Review

Al–Ismail

2021

IEEE Access

250

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In recent years, due to the wide utilization of direct current (DC) power sources, such as solar photovoltaic (PV), fuel cells, different DC loads, high-level integration of different energy storage systems such as batteries, supercapacitors, DC microgrids have been gaining more importance. Furthermore, unlike conventional AC systems, DC microgrids do not have issues such as synchronization, harmonics, reactive power control, and frequency control. However, the incorporation of different distributed generators, such as PV, wind, fuel cell, loads, and energy storage devices in the common DC bus complicates the control of DC bus voltage as well as the power-sharing. In order to ensure the secure and safe operation of DC microgrids, different control techniques, such as centralized, decentralized, distributed, multilevel, and hierarchical control, are presented. The optimal planning of DC microgrids has an impact on operation and control algorithms; thus, coordination among them is required. A detailed review of the planning, operation, and control of DC microgrids is missing in the existing literature. Thus, this article documents developments in the planning, operation, and control of DC microgrids covered in research in the past 15 years. DC microgrid planning, operation, and control challenges and opportunities are discussed. Different planning, control, and operation methods are well documented with their advantages and disadvantages to provide an excellent foundation for industry personnel and researchers. Power-sharing and energy management operation, control, and planning issues are summarized for both grid-connected and islanded DC microgrids. Also, key research areas in DC microgrid planning, operation, and control are identified to adopt cuttingedge technologies. This review explicitly helps readers understand existing developments on DC microgrid planning, operation, and control as well as identify the need for additional research in order to further contribute to the topic. INDEX TERMS DC microgrids, renewable energy sources, batteries, supercapacitors, DC bus voltage, power management, state of charge, microgrid operation, and planning.

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Section: Introductionmentioning

confidence: 99%

DC Microgrid Planning, Operation, and Control: A Comprehensive Review

Al–Ismail

2021

IEEE Access

250

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“…HESS is configured for specific applications such as electric vehicles and grid support. For grid integration of renewable energy generation, the use of HESS is becoming popular [71,72]. HESS usually combines one high peak power device and one high energy device, for example, battery and supercapacitor HESS, or fuel cell and super-capacitor HESS.…”

Section: 12mentioning

confidence: 99%

Grid integration aspects of wave energy—Overview and perspectives

Said

Ringwood

2021

IET Renewable Power Gen

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The sustained development of wave energy in the past two decades makes it one of the most promising renewable energy resources to be added to the diverse mixture of supply systems. The inherent difficulty of grid integration of wave energy involves various aspects such as suitable control of power converters and power conditioning processes, allowing for the extraction of the best quality power. This paper presents a comprehensive review of different aspects of grid integration of wave energy devices, including classification of wave energy devices based on their impacts on grid integration, grid requirements imposed by the grid codes and storage technologies used for the grid integration of wave energy converters (WECs). This study also analyses various grid integration studies on wave energy converters, with particular emphasis on power converter technology and control. Furthermore, specific attention is given to the combinational studies that use wave energy combined with other renewable resources due to their positive synergies in lowering the costs of energy produced and that hold an opportunity for future research. An economic case is presented for wave energy devices based on value on the grid.

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“…Where k 1 and k 2 are the gains of the controller. λ 1 and λ 2 are positive tuning parameters for the sliding surface provided 1 < λ i < 2 [22]. The integral terms are incorporated in the formulation to enhance the steady-state tracking performance.…”

Section: Controller Designmentioning

confidence: 99%

A Nonlinear Tire Blowout Stabilizer Based on a Novel Integral Terminal Sliding Mode Controller

Al-Quran

Mayyas

2021

IEEE Access

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This paper proposes an automatic corrective safety controller design and evaluation based on braking/traction actuation to enhance the stability of a ground vehicle subjected to a tire blowout. Along with the nonlinear Dugoff's tire model, a nonlinear planar seven degrees of freedom control-oriented vehicle model is developed and validated using MSC Adams/ car package. The proposed novel controloriented model accounts for the longitudinal dynamics, large steering and slip angles, and the nonlinearities associated with the vehicle/tire coupled system. In consequence, a distributive torque control technique in the framework of the integral terminal sliding mode controller is established. The integral action is employed in the sliding surfaces to enhance the steady-state tracking performance of the closed-loop system. The controller distributes the control torque demand among the three inflated tires excluding the blown tire to counteract the blowout-induced yawing disturbance. Two control strategies are introduced to facilitate controller practical implementation in both electric and conventional vehicles. The results indicate that the proposed controller is perfectly competent to stabilize the vehicle and robustly track the desired trajectory in a straight line and curvilinear motions as well as under nonlinear operating conditions. INDEX TERMS Tire blowout, vehicle dynamics, stability control, ITSMC.

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Design of integral terminal sliding mode controller for the hybrid AC/DC microgrids involving renewables and energy storage systems

Cited by 61 publications

References 37 publications

DC Microgrid Planning, Operation, and Control: A Comprehensive Review

DC Microgrid Planning, Operation, and Control: A Comprehensive Review

Grid integration aspects of wave energy—Overview and perspectives

A Nonlinear Tire Blowout Stabilizer Based on a Novel Integral Terminal Sliding Mode Controller

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