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This article introduces a controller for solving the problem of multiple unmanned aerial vehicles (UAVs) formation reconfiguration. Under the constraints of terminal status and of control action energy, the controller aims to find the best values of UAV's inputs (including thrust, load factor, bank angle) to accomplish the task. The basis of our controller is a method which combines PIO with CPTD...
An atmospheric-pressure radio-frequency (RF) corona torch plasma and a low-pressure parallel-plate RF plasma are employed to increase hydrophilicity of polycarbonate and acrylonitrile butadiene styrene surfaces. The contact angle of water for the plastic surfaces is decreased by Ar plasma treatment in any condition, while the surface roughness is decreased, too, unexpectedly. The rate of decrease...
Semiconductor nanowires are typically fabricated into transistors using metal source and drain contacts but no doping profile, leading to devices that operate as Schottky-barrier field effect transistors rather than traditional MOSFETs. Because of this fundamental difference in geometry, the devices will operate with greater influence from the contacts in both current and noise behavior, yet many...
Plasmonic core-shell nanoparticles (PCSNPs) can function as nanoantennas and improve the efficiency of dye-sensitized solar cells (DSSCs). To achieve maximum enhancement, the morphology of PCSNPs needs to be optimized. Here we precisely control the morphology of Au@TiO2 PCSNPs and systematically study its influence on the plasmonic enhancement effect. Enhancement mechanism was found to vary with the...
Mathematics is considered the foundation of development in science, technology, and thought, and its practicality for life is also evident. If it is possible to use student daily life experiences as the focus, combining mathematics with gaming, to incorporate the game context into mathematics instruction, it would enhance student interest in learning mathematics. At the same time, this would cultivate...
This study investigates consumer's perception toward ostrich meat product and the factors that affect consumers' decision to consume ostrich meat. The results of factor analysis show that consumers' perception toward ostrich meat has two factors: positive factor and negative factor.
In the rural tourism and agricultural development, the experience economy activities of leisure agriculture have played an important role. This study applies the concept of experience economy to analyze those factors affecting the evaluation of "value for money". The empirical results show that the higher receptions of escapism and esthetics have significant perceptions. This implies that...
Servicisation is caused by the service revolution, which is considered as a necessary course of industrialization in China nowaday. Realizing service as the core of the major premise, Chinese government is trying hard to turn to a service economy, thus the problem of servicisation of manufacture enterprises will increasingly attract extensive attention. Now, relevant service researches include researches...
In order to optimize the power transfer capability of a contactless power transfer (CPT) system with multi-load, this paper has analyzed the existence condition of the maximum power transfer capability of a CPT system with a certain topology and parameters based on impedance analysis. In addition, a procedure of optimized design is given according to the need of the power and efficiency requirement...
Studying drivers' route choice behavior under the influence of travel information is important because it provides insight to improve the effect of travel information on traffic environment. This paper mainly aims to study the impact of travel information on travelers' route choice behavior at different departure time. Multinomial logit model (MNL) is used to model travelers' route choice behavior...
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