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Articles by Xiao Liang
Total Records ( 4 ) for Xiao Liang
  Xiaojie Sun , Yuan Wu , Xiao Liang , Yi Yang and Limin Meng
  Future smart grid has been conceived to be able to improve efficiency and stability of the grid operations. Based on the smart meter and advanced mechanism of two-way communications, Energy-Users (EUs) are able to receive real-time signalling (e.g., the electricity price) from the grid and schedule their energy consumption to optimize their objectives of interest correspondingly. Besides the conventional fuel-based energy supply, renewable energy supplies, e.g., solar and wind power, are expected to play important roles in smart grid. Despite their advantages in lowering the electricity-provisioning cost and being environment-friendly, renewable supplies usually suffer from uncontrollable and volatile generations, which result in great fluctuations in their provisioning. Therefore, it is indispensable for EUs equipped with renewable energy suppliers to take a careful tradeoff between exploiting the benefit from the renewable energy and controlling the adversary impact due to its volatility. Based on this motivation, this study aims at jointly optimizing the EU's average energy-acquisition cost as well as its fluctuation. This problem is formulated as a nonconvex optimization problem and this study proposes an efficient Layered Particle Swarm Optimization (L-PSO) algorithm to determine the EU’s optimal scheduling of energy consumptions. Our numerical results show how EU can trade off between benefiting from the renewable supplies and suffering from the associated fluctuation through tuning the weighting-factors.
  Xiao Liang , Wei Li and Weitong Fan
  Great successes have been made in applications of information fusion in the mode recognition and state evaluation. It is the same that the application of information fusion in the motion control system of underwater vehicles will greatly promote the development of control technology. This study proposes a layered multi-loop control system used the technology of information fusion. It recurs to the layered fusion and multi-level feedback of information to perfect the control system and then improve the control performance and intelligence behaviors of underwater vehicles.
  Haiqing Xianyu , Yue Zhao , Sebastian Gauza , Xiao Liang and Shin-Tson Wu
  Some high birefringence ester liquid crystal compounds with cyanate or isothiocyanate polar groups were investigated, the relaxation frequency of which is in the kilo-Hertz region. These compounds are useful for formulating dual-frequency liquid crystal (DFLC) mixtures. The dielectric relaxation and electro-optical properties of these compounds were characterised. Potential applications of these compounds for DFLC mixtures to meet different requirements are discussed.
  Qiong Song , Sebastian Gauza , Jie Sun , Shin Tson Wu and Xiao Liang
  Lateral difluoro terphenyls exhibit a high birefringence, fairly low viscosity and modest dielectric anisotropy, but their alignment in a vertical alignment (VA) cell often deteriorates at elevated temperatures if their concentration is high. We have studied the effects of six diluters for lowering the viscosity while stabilizing the VA of the terphenyl host mixture at elevated temperatures. The pros and cons of each diluter are analysed.
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