The more efficient use of by-product gas has always been a hot issue in the iron and steel making process. The gas generated during production process is stochastic and hardly predicted accurately. Specifically, how to regulate the supply of by-product gas from gas holder to power plant in the scheduling period to maximize the total profit of gas reutilization is present work. In response to this objective, online algorithm will be applied here to analyses the optimal strategy, which manages the by-product gas supply scheduling in term of online strategy and competitive analysis. We give the competitive ratio’s lower bound of the problem, and analyze the properties of algorithms, then give the QEW-algorithm with a competitive ratio equals to γ/(γ-β). The results of the study have guiding significance and reference value to decision makers facing the actual production process.
The development of amorphous motors has been paid more and more attention. Different types of amorphous motors are designed, calculated, manufactured and tested. All of the motors achieve high efficiency and high torque density, especially in the high speed applications. However, few amorphous motors have been applied to practical applications. This paper reviews the newly development of amorphous motors. Several deficiencies limited the development of amorphous motors are discussed, and some effective improved methods are proposed.
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