FPGA-based sliding mode direct control of single phase PWM boost rectifier

Naouar, Mohamed Wissem; Hania, B. Ben; Slama‐Belkhodja, Ilhem; Naassani, A.A.

doi:10.1016/j.matcom.2012.05.001

Cited by 12 publications

(4 citation statements)

References 12 publications

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“…However, there is a requirement of a priori information about the plant. In [26], a sliding mode and PI controller were used to develop an internal current control loop and an external DC bus voltage control loop, respectively. Similarly, application was also found in [27].…”

Section: Of 20mentioning

confidence: 99%

Fast Adaptive Robust Differentiator Based Robust-Adaptive Control of Grid-Tied Inverters with a New L Filter Design Method

et al. 2020

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In this research, a new nonlinear and adaptive state feedback controller with a fast-adaptive robust differentiator is presented for grid-tied inverters. All parameters and external disturbances are taken as uncertain in the design of the proposed controller without the disadvantages of singularity and over-parameterization. A robust differentiator based on the second order sliding mode is also developed with a fast-adaptive structure to be able to consider the time derivative of the virtual control input. Unlike the conventional backstepping, the proposed differentiator overcomes the problem of explosion of complexity. In the closed-loop control system, the three phase source currents and direct current (DC) bus voltage are assumed to be available for feedback. Using the Lyapunov stability theory, it is proven that the overall control system has the global asymptotic stability. In addition, a new simple L filter design method based on the total harmonic distortion approach is also proposed. Simulations and experimental results show that the proposed controller assurances drive the tracking errors to zero with better performance, and it is robust against all uncertainties. Moreover, the proposed L filter design method matches the total harmonic distortion (THD) aim in the design with the experimental result.

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Section: Of 20mentioning

confidence: 99%

Fast Adaptive Robust Differentiator Based Robust-Adaptive Control of Grid-Tied Inverters with a New L Filter Design Method

et al. 2020

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“…The adaptive controller of (18), (25) and (30) with the parameter update laws of (36) and (37) ensures that all the signals in the closed loop control system remain bounded and the equilibrium manifold ðe c ; e ds ; e qs Þ ¼ ð0; 0; 0Þ is globally asymptotically stable. This means that the objectives of DC bus reference voltage tracking and unity power factor are achieved despite all parameter uncertainties and external{internal disturbances, whatever be the initial conditions.…”

Section: Stability Analysismentioning

confidence: 99%

A Novel Nonlinear and Adaptive Control of Grid Connected Inverters

Karabacak

2016

J CIRCUIT SYST COMP

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In this study, a new nonlinear and adaptive state feedback controller is proposed for the control of grid connected inverters (GCIs). All the other parameters apart from direct current (DC) bus capacitor are considered uncertain in the design of proposed controller, without disadvantages of singularity and over-parametrization. Three-phase source currents, DC bus voltage and load current are supposed to be available for feedback in the closed loop control system. In this respect, the whole control loop, consisting of DC bus voltage and d{q axis current loops, is closed. It is important to highlight that closed loop DC voltage control cannot be achieved by most of nonlinear controllers proposed in literature. In the sense of Lyapunov stability theory, overall control system has the global asymptotic stability. Experimental results demonstrate that the proposed controller guarantees to asymptotically drive tracking errors to zero despite all parameter and external disturbance uncertainties. Results also verify that the proposed controller shows high performance and feasibility.

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“…The external one is based on PI controller that controls the dynamic and shape of the dc‐link voltage V dc response with regard to its reference

V_{dc}^{*}

. The PI controller is tuned according to [26] and computes the d ‐axis current reference

i_{conv d}^{*}

that controls the active power flow according to (3). The q ‐axis reference

i_{conv q}^{*}

controls the reactive power flow according to (4).…”

Section: Ismpc Of Grid Connected Power Convertermentioning

confidence: 99%

Indirect sliding mode power control for three phase grid connected power converter

Hemdani

Dagbagi

Naouar

et al. 2015

IET Power Electronics

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Grid connected power converters are widely used to interface between gridon one side-and loads or renewable energy sourceson the other side. This work presents an indirect sliding mode power control (ISMPC) for three phase grid connected power converter. This control is characterised by improved robustness with regard to external disturbances and parameters changes, while insuring at the same time low current total harmonic distortion factor. The development and implementation of the ISMPC algorithm on low cost Microsemi SmartFusion digital solution is also described. This digital solution includes in the same chip a Field Programmable Gate Array (FPGA) fabric and a Cortex-M3 processor associated to large number of peripheral cores. The developed ISMPC is compared with standard and commonly used controls for grid connected converters to show its interest and advantages. Moreover, an overview of the experimental setup , the description of the algorithm modular partitioning between FPGA and processor, the resources optimisation as well as the execution time reduction are presented. Selected experimental results corresponding to different operation steps are presented to illustrate performances and effectiveness of the proposed ISMPC algorithm.

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FPGA-based sliding mode direct control of single phase PWM boost rectifier

Cited by 12 publications

References 12 publications

Fast Adaptive Robust Differentiator Based Robust-Adaptive Control of Grid-Tied Inverters with a New L Filter Design Method

Fast Adaptive Robust Differentiator Based Robust-Adaptive Control of Grid-Tied Inverters with a New L Filter Design Method

A Novel Nonlinear and Adaptive Control of Grid Connected Inverters

Indirect sliding mode power control for three phase grid connected power converter

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