Tao Wang - IEEE Xplore Author Profile

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Accurate short-term load forecasting (LF) under extreme weather is vital for the sustainable development of energy systems. This paper proposes a basic framework for future load forecasting researches of sustainable energy systems under extreme weather events and provides new direction for membrane computing model in terms of load forecasting. Inspired by nonlinear spiking mechanisms in nonlinear ...Show More
In this paper, we develop a formal assured simplification method to accelerate the safety verification process of a neural network model that approximates a nonlinear dynamical system. Firstly, an assured compression error is proposed to describe the maximum output difference introduced by neural network compression. A reachability-based computational process is then developed to estimate the assu...Show More
The large-scale access of distributed generators can easily affect the accuracy of fault diagnosis results of distribution networks. Accordingly, the fault diagnosis under the complex multi power environment with power network topology changes is an important issue. To deal with that, this paper proposes a fault diagnosis method for distribution networks with lots of distributed gen-erators, based...Show More
Considering the uncertainty of the internal parameters of high-speed train and the influence of external disturbances, based on the generalized internal-mode control framework(GIMC), H2 control and $\mu -$synthesis methods are used to design a nominal controller that satisfies tracking performance and a robust controller with rejection to disturbances, respectively. A dynamic model of a high-speed...Show More
Emergency DC power support has become an effective frequency stability control approach. For the asynchronous power grid with multi-HVDC links, this paper proposes an optimal control based on wide-area measurements (WAMS). The prominent advantage of this control is to improve the frequency stability of the disturbed grid while taking into account the influence on power flow, node voltage and other...Show More
This letter develops a new bilevel optimization model to construct false data injection attack based on pre- and post- dispatch. In order to enhance the attack concealment, the proposed bilevel model can minimize the variation of uploaded measurements between pre- and post-attack before dispatching, after which the attack can lead the system to an uneconomic and insecure operating state after disp...Show More
This paper proposes an improved sliding mode observer based on super-twisting algorithm (STA-SMO) for sensorless control scheme of permanent magnet synchronous motors. An α-β axis stator current observer is built according to the back electromotive force (EMF) model after the back EMF error signal is obtained. The chattering phenomenon inherent in the traditional STA-SMO is eliminated by restricti...Show More
This article proposes an adjacent graph based on the spontaneous faults of an electrical network to assess the electrical network vulnerabilities from the perspective of the overload mechanism. To reveal the propagation features and the adjacent relationships among branches from different angles, fault probability, load shedding, and topological structure-based indices are proposed to define the w...Show More
Since photovoltaic power stations and cascade hydropower stations have complementary characteristics, while pumped storage power stations have energy storage and rapid regulation characteristics, it is of great significant to combine cascade hydropower, photovoltaic, pumped storage to increase the absorption of photovoltaic. To improve the stability of the system operation and the economic benefit...Show More
As the last link of an integrated future energy system, the smart home energy management system (HEMS) is critical for a prosumer to intelligently and conveniently manage the use of their domestic appliances, renewable energies (RES) generation, energy storage system (ESS), and electric vehicle (EV). In this paper, we propose a holistic model to center the preference of users when scheduling the i...Show More
In recent years, synergy theory has made great progress in the field of power electronics, and its good robustness provides a new idea for motor control research. In this paper, we take use of rapid convergence of manifold, and introduce it into the control of the speed and flux linkage of the traditional deadbeat control (DC stands for deadbeat control and IDC stands for improved deadbeat control...Show More
With the continuous development of smart grid technology, the implementation of smart home energy management system (HEMS) has become possible, where HEMS can potentially change electricity consumption habits of users by reducing costs. In this paper, the HEMS model based on mixed integer linear programming (MILP) is designed to reduce dissatisfaction and cost of consumers. In the meantime, the mo...Show More
Security issues related to vulnerability assessment in electrical networks are necessary for operators to identify the critical branches. At present, using complex network theory to assess the structural vulnerability of the electrical network is a popular method. However, the complex network theory cannot be comprehensively applicable to the operational vulnerability assessment of the electrical ...Show More
Modular multilevel converters for high-voltage dc transmission applications normally adopt a distributed control system, where a large number of local controllers are employed, to manage considerable sub-modules (SMs) in the system. The manufacturing tolerance of crystal oscillators for local controllers introduces controller clock discrepancy and eventually leads to the asynchrony of triangular c...Show More
Assessment of electrical network vulnerability based on complex network theory (CNT) has attracted increasing attention. However, CNT focuses on analyzing the structural vulnerability and has significant limitations regarding operational vulnerability. To address the lack of a comprehensive CNT-based framework to assess operational vulnerability, a temporal-spatial correlation graph (TSCG) that co...Show More
To reveal fault propagation paths is one of the most critical studies for the analysis of power system security; however, it is rather difficult. This paper proposes a new framework for the fault propagation path modeling method of power systems based on membrane computing. We first model the fault propagation paths by proposing the event spiking neural P systems (Ev-SNP systems) with neurotransmi...Show More
Transmission network vulnerability (TNV) assessment is a key issue in power systems to identify the vulnerable components against accidents or malicious threats. Recently, constructing the topological vulnerability indices, particularly extended topological indices, is a popular method to evaluate the network vulnerability. However, the topological vulnerability indices cannot reveal the mechanism...Show More
In order to reduce the energy consumption of rail transit power supply, promote the local consumption of photovoltaic, and simultaneously, and improve the power supply flexibility of the system, this paper proposes an energy optimization method of photovoltaic and energy storage accessing to rail transit power supply system. Energy management model with minimal operating costs has been established...Show More
In photovoltaic system, the maximum power point tracking technology (MPPT)makes the input voltage and current of the pre-stage DC-DC converter in a two-stage grid connected inverter variable because of external factors such as light and temperature. In order to improve the stability of pre-stage boost converter under variable input, a switching liner parameter varying (LPV)model of boost converter...Show More
The power coordination control of a photovoltaic/battery microgrid is performed with a novel bio-computing model within the framework of membrane computing. First, a neural-like P system with state values (SVNPS) is proposed for describing complex logical relationships between different modes of Photovoltaic (PV) units and energy storage units. After comparing the objects in the neurons with the t...Show More
Energy Internet (EI) is an inevitable development trend of energy systems under the background of technology development, environmental pressure and energy transition. Multi-energy flow coupling is one of the key characteristics of the EI, which enhances the interoperability of different types of energy flows while consequently increases the probability of cascading failures. Therefore it is of gr...Show More
This paper proposes an extension of spiking neural P systems with rules on synapses (SNP-RS systems) working in competitive strategy, called competitive SNP-RS (CSNP-RS systems). In CSNP-RS systems, the spikes are viewed as a kind of competitive resources, and the rules on different synapses will compete the spikes (resources) in neurons. A new strategy is considered: the total amount of spikes co...Show More
A historical running state database-aided stealth attacks (SAs) mitigation approach, aiming to secure distribution grid that relied on nonlinear state estimation model, is proposed. By checking the consistency between traditional nonlinear state estimation outputs and the most likely running states extracted by adaptive neuro-fuzzy inference system (ANFIS) from historical running state database, t...Show More
Periodic switching system is an important class of switching systems. There are lots of issues to study in the field of designing switching laws for periodic switching systems and making it work optimally under the premise of global uniform exponential stability. In the research of how to achieve the optimal switching control for periodic switching systems when periodic running time of one of the ...Show More
This paper proposes a graphic modeling approach, fault diagnosis method based on fuzzy reasoning spiking neural P systems (FDSNP), for power transmission networks. In FDSNP, fuzzy reasoning spiking neural P systems (FRSN P systems) with trapezoidal fuzzy numbers are used to model candidate faulty sections and an algebraic fuzzy reasoning algorithm is introduced to obtain confidence levels of candi...Show More