This paper develops a sliding-mode control (SMC) approach for systems with mismatched uncertainties via nonlinear disturbance observer (DOB). By designing novel sliding surface based on the estimation, DOB-based SMC method is developed in this to counteract disturbance. The newly proposed exhibits following two attractive features. First, switching gain only required be designed greater than bound of estimation error rather that disturbance; thus, chattering problem substantially alleviated....

A fast terminal dynamics is proposed and used in the design of sliding-mode control for single-input single-output nonlinear dynamical systems. The inherent dynamic properties sliding modes are explored conditions to ensure its applicability designs obtained.

According to the feed-in tariff for encouraging local consumption of photovoltaic (PV) energy, energy sharing among neighboring PV prosumers in microgrid could be more economical than independent operation prosumers. For microgrids peer-to-peer prosumers, an energy-sharing model with price-based demand response is proposed. First, a dynamical internal pricing formulated zone, which defined based on supply and ratio (SDR) shared energy. Moreover, considering flexibility equivalent cost...

Networked control systems (NCSs) are whose loops closed through communication networks such that both signals and feedback can be exchanged among system components (sensors, controllers, actuators, so on). NCSs have a broad range of applications in areas as industrial signal processing. This survey provides an overview on the theoretical development NCSs. In-depth analysis discussion is made sampled-data control, networked event-triggered control. More specifically, existing research methods...

Smart grids are electric networks that employ advanced monitoring, control, and communication technologies to deliver reliable secure energy supply, enhance operation efficiency for generators distributors, provide flexible choices prosumers. a combination of complex physical network systems cyber face many technological challenges. In this paper, we will first present an overview these challenges in the context cyber-physical systems. We then outline potential contributions can make smart...

Smart meters have been deployed in many countries across the world since early 2000s. The smart meter as a key element for grid is expected to provide economic, social, and environmental benefits multiple stakeholders. There has much debate over real values of meters. One factors that will determine success data analytics, which deals with acquisition, transmission, processing, interpretation bring all This paper presents comprehensive survey electricity their utilization focusing on aspects...

Sliding-mode control (SMC) has been studied extensively for over 50 years and widely used in practical applications due to its simplicity robustness against parameter variations disturbances. Despite the extensive research activities carried out, key technical problems associated with SMC remain as challenging questions demands new industrial technological advances. In this respect, soft computing (SC) is a rather recent development intelligent systems which provided alternative means...

Solar photovoltaic (PV) systems under partial shading conditions (PSCs) have a nonmonotonic P-V characteristic with multiple local maximum power points, which makes the existing point tracking (MPPT) algorithms unsatisfactory performance for global MPPT, if not invalid. This paper proposes novel overall distribution (OD) MPPT algorithm to rapidly search area near is further integrated particle swarm optimization (PSO) improve accuracy of MPPT. Through simulations and experimentations, higher...

Many real-world complex networks display a small-world feature-a high degree of clustering and small average distance. We show that the maximum synchronizability network is completely determined by its associated feedback system, which has precise meaning in terms synchronous communication. introduce new concept matrix to characterize network. Several concepts, such as sensitive edge robust edge, are proposed for analyzing robustness fragility synchronization Using knowledge...

This paper investigates the speed regulation problem of permanent magnet synchronous motor servo system based on terminal sliding mode control method. By introducing a non-singular manifold, novel controller is designed for loop. can make states not only reach manifold in finite time, but also converge to equilibrium point time. Thus, could reference value obtaining faster convergence and better tracking precision. Meanwhile, considering large chattering phenomenon caused by high switching...

A new terminal sliding mode control of MIMO linear systems is proposed. It shown that, by inserting a nonlinear term the system state in mode, obtained for systems. controller can then be designed to drive dynamics reach and retain mode. By suitably designing parameter matrices states origin finite time closed loop infinite stable

The power grid is a massive interconnected network used to deliver electricity from suppliers consumers and has been vital energy supply. To minimize the impact of climate change while at same time maintaining social prosperity, smart must be embraced ensure balanced economical growth environmental sustainability. Therefore, in last few years, new concept (SG) became critical enabler contemporary world attracted increasing attention policy makers engineers. This article introduces main...

For microgrids with photovoltaic (PV) prosumers, the effective energy sharing management (ESM) is important for operation. In this paper, a Stackelberg game approach ESM proposed. First, according to feed-in-tariff of PV energy, system model introduced, which includes profit microgrid operator (MGO) and utility prosumers. Moreover, an hour-ahead optimal pricing The designed based on game, where MGO acts as leader all participating prosumers are considered followers. With proof equilibrium...

This paper studies the load frequency control (LFC) for power systems with communication delays via an event-triggered method to reduce amount of communications required. The effect disturbances on augmented output is defined as a robust performance index LFC scheme. By utilizing time-delayed system design approach, new model scheme formulated, where and are integrated Based Lyapunov-Krasovskii functional method, criteria stability analysis synthesis derived. Finally, effectiveness proposed...

To reduce information exchange requirements in smart grids, an event-triggered communication-based distributed optimization is proposed for economic dispatch. In this work, the θ-logarithmic barrier-based method employed to reformulate dispatch problem, and consensus-based approach considered developing fully technology-enabled algorithms. Specifically, a novel algorithm utilizes minimum connected dominating set (CDS), which efficiently allocates task of balancing supply demand entire power...

A new discrete-time integral sliding-mode control (DISMC) scheme is proposed for sampled-data systems. The characterized by a sliding manifold which inherits the desired properties of continuous-time manifold, such as full order with pole assignment, and elimination reaching phase. In particular, comparing existing control, able to achieve more precise tracking performance. It will be shown in this work that, achieves O(T <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...