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After contact with receiver aircraft, the nozzle of flying boom is locked into the receptacle of receiver which may generate a dangerous radial constrained force (RCF) with disturbance from environment. This paper presents a novel control method to eliminate the RCF. Based on the existing altitude dynamic function, the unloading dynamic model can be achieved by putting the RCF into the existing dynamic...
Dust particles in blast furnace gas deposit easily on the bottom of sealing surface of the butterfly valve seat in pipelines, which will bring jams to the valve plate, and thus affect normal production of the blast furnace and cause serious economic losses. In order to get flow field characteristics near the butterfly valve, obtain the deposition process of dust particles on the bottom of the valve...
Optimization of computational electromagnetics (CEM) simulation models can be costly in both time and computing resources. Mesh refinement is a key parameter in determining the number of unknowns to be processed. In turn, this controls the time and memory required for a simulation. Hence, it is important to use only a mesh that is good enough for the objectives of the simulation, whether for direct...
A multi-physics model is developed based on P2D model, including the electrochemical part, thermal part and the temperature distribution. It can simulate the physical and chemical phenomena from the scale of the active particles to the scale of whole battery. The charging optimization is also investigated, two internal characteristics, which can only be calculated by the proposed model, are treated...
In this article, Li+ initial inserted rate and stoichiometric window of electrode materials in Li-ion batteries are identified using Multi-Objective Genetic Algorithm (MOGA). The article is motivated by the problem of fitting both the OCP model and incremental capacity analysis (ICA) curve, which comes from OCP curve and has higher parameter sensitivity, of batteries to those experimental data. A...
In order to predict the time domain response of the shielded twisted-pairs coupling from external transient electromagnetic field, an FDTD-MTL hybrid numerical model is developed. The coupling model is divided into two systems: external system and internal system solved by the FDTD method and the MTL theory respectively. These two systems are linked by transfer impedance and transfer admittance of...
Human evaluation of translation involves many aspects. In this paper we try to make some quantitative analyses on factors influencing translation scores generated by human. We focus on some linguistic features especially some translation error types which may affect human evaluation. The experiment shows that the inconsistency in thematic knowledge and the semantic incoherence in target text have...
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