With the rise of the sharing economy, more and more retailers join the e-commerce platform to expand sales channels. As an important means to improve consumer retention rate, the membership system is widely used in major e-commerce platforms. In this paper, we develop a model to discuss the...

Identifying the individual and combined hydrological response of land use landscape pattern and climate changes is the key to effectively managing the ecohydrological balance of regions. However, the nonlinearity, effect size, and multiple causalities limit a causal investigation. Therefore,...

The main contribution of this paper is the development of <em>H</em>∞ fault tolerant control for a wind energy conversion system (WECS) based on the stochastic piecewise affine (PWA) model. In this paper the normal and fault stochastic PWA models for WECS including multiple working points at different...

Based on the initial stage situation of new energy electric vehicles (electric vehicles) industry in China, this paper uses patents retrieval and literatures polymerization methods to analyze the technological innovation status quo and the regional distribution features in the electric vehicles...