Four model-based State of Charge (SOC) estimation methods for lithium-ion (Li-ion) batteries are studied and evaluated in this paper. Different from existing literatures, this work evaluates different aspects of the SOC estimation, such as the estimation error distribution, the estimation rise...

Purpose – Penrose introduced the concept of “unused services” which she identified as the internal inducement to firm growth. The purpose of this paper is to explore “unused services”, insufficiently examined in the literature to date, by applying Eastern conceptual thinking to refine...

Capital , the classical work by Marx, is not out‐of‐date as the main thought for the present socialist economy. We can improve the textbooks of economics by learning the method of qualitative and quantitative analysis from Capital . The socialist practice in China would enrich and develop...