Jianjun Guo's research while affiliated with Southwestern University of Finance and Economics and other places
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Publications (5)
In a power grid system, generators may fail due to the internal structure and material degradation caused by stress levels or work conditions. However, power grid systems may also be subject to external impacts such as landslides and earthquakes. Protecting these systems can mitigate the external negative effects. In this research, we extend the ge...
Different from other forms of power generation, wind power generation has the characteristics of randomness, intermittentness, and volatility. Therefore, the wind power generation system (WPGS) is more prone to failures caused by external impacts during the operation. The reliability of the WPGS has a significant influence on the safety of large-sc...
Distributed data storage systems are widely used to store data with the development of big data and cloud computing. Due to the complicated network environment, the data may risk being destroyed or stolen by an intentional hacker. In order to mitigate the risk of data destruction and data theft, this paper studies the joint optimization of data par...
This research studies the cascading failure in a scale-free network from the perspective of the payoffs of nodes in a multi-strategy evolutionary game. Different from the traditional methods that eliminate nodes randomly or deliberately, this method starts from the payoff of the more general evolutionary game phenomena in reality, and eliminates th...
Motivated by the defense of a power grid control center against cyber-attacks, this research considers the optimal allocation of defense resources for defending a parallel system consisting of identical elements. To enhance the system survivability, the defender distributes its limited resources to provide redundancy, disinform the attacker, and pr...
Citations
... In particular, Patan and Patan (2005) use partial differential equations and its simplification to a non-linear models in combination with a steepest descent method to find optimal weights of given support points (i.e. the sensor positions), whereas Uciński (2022) addresses the best selection of sensors in order to obtain a proper estimation of subsets of unknown parameters of a spatiotemporal system modelled by a partial differential equation. The experimental design problem for state estimation in electrical power grids is especially treated for example by Li et al. (2011), Xygkis et al. (2018), and Cao et al. (2022). However, they all solve the problem of allocating F sensor or generator positions out of E > F possible positions by greedy algorithms since the number of positions is high. ...
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... It can be found from Equation (14)(15)) that the integrated availability importance measure based on the proportional hazards model is only applicable to coherent multistate system. Therefore, a multi-state coherent system composed of four components is assumed. ...
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... Here, the interactions between individuals are modeled as the links in a social network whose nodes are the individuals themselves [19,20]. Whether diseases, computer viruses or rumors, their spread is inevitably influenced by the topology and structure of the social network [21][22][23]. In 1998, Watts and Strogatz proposed the small world network [24]. ...
... Therefore, former researchers have applied a variety of approaches to better leverage data in different aspects. For instances, a distributed system is introduced to strengthen collaboration [4] [5] [6], and Web Ontology Language (OWL) is applied to organize information in graph form [7]. Despite those efforts, after data has been efficiently stored and searched, how to explore their potential relations on a large scale becomes a new challenge. ...
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![[object Object]](https://i1.rgstatic.net/ii/profile.image/612978848186368-1523156954159_Q64/Chen-Lin-71.jpg)
... The qualitative relations between system reliability and unit reliability, and the reliability of many redundant systems were summarized (Ushakov 1994). A parallel system which consists of n identical units in parallel is a typical redundant model and it has been widely used in applications (Ardakan and Hamadani 2014;Lisnianski et al. 2018;Pham 2003;Peng et al. 2016Peng et al. , 2020. ...
