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2011年07月07日

【其他】求解非线性半定规划的过滤集-序列线性规划算法

孙文瑜, 徐 毅, 孙文瑜

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摘要

在本文中,我们提出了一个解非线性半定规划的过滤集-序列线性规划算法。该算法没有使用罚函数, 而是使用了多目标规划的占优的概念。过滤集-序列线性规划方法以往被用于求解非线性规划,在这篇文章中,我们发展了这种方法,把它用于求解非线性半定规划。文章证明了算法的收敛性,并通过数值例子展示了我们算法的有效性。

关键词: 非线性规划, 非线性半定规划, 过滤集方法, 序列线性规划, 全局收敛性。

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2017年02月14日

【其他】Impact Assessment of Wind Farms on Radio Devices in Civil Aviation

吴仁彪, Xiaoliang Wang, Renbiao Wu, Weikun He, Yuzhao Ma

invited chapter in《Wind Farms Performance, Economic Factors and Effects on the Environment》, Nova Science Publisher, 2016.,-0001,():

摘要

Wind power is an attractive clean energy and wind farms increase with very high speed in recent years. However, as a particular obstacle, wind farms may degrade the performance of radio devices in civil aviation obviously. Therefore, wind farms may threaten the flight safety and correct impact assessment of wind farms on radio devices is important to guarantee the safety of civil aviation. In this chapter the potential impact of wind farms on radio devices in civil aviation and a review of the impact assessment procedure and methods of our research group is presented. The radio devices discussed in the chapter include surveillance devices such as primary surveillance radar (PSR) and second surveillance radar (SSR) and radio navigation devices such as very high frequency omnidirectional range (VOR) and instrument landing system (ILS). A wind farm usually comprises several wind turbines with very large size. The proper estimation of the scattering coefficient or radar cross section (RCS) of the wind turbine is of great importance to assess the impact of wind farms correctly. However, the intensity of electromagnetic scattering and the RCS of a wind turbine vary with several factors. Consequently a review of RCS estimation methods for a wind turbine of our research group is also presented in this chapter.

关键词: civil aviation,, wind farm,, wind turbine,, impact assessment,, RCS estimation,, radio device,, radar,, radio navigation

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2014年12月09日

【其他】General Requirement of Traction Motor Drives

程明, Cheng MIng, Chan C.C.

Encyclopedia of Automotive Engineering, Online © 2014 John Wiley & Sons, Ltd.,-0001,():

摘要

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关键词: electric vehicle,, traction motor,, general requirement

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