An Efficient Constrained Model Predictive Control Algorithm Based on Approximate Computation

1 .ＩＮＴＲＯＤＵＣＴＩＯＮＭｏｓｔｓｙｓｔｅｍｓａｒｅｓｕｂｊｅｃｔｔｏｃｏｎｓｔｒａｉｎｔｓａｎｄｔｈｅｄｅｓｉｇｎｏｆｃｏｎｔｒｏｌｌｅｒｓｆｏｒｓｕｃｈｓｙｓｔｅｍｓｉｓａｖｅｒｙａｃｔｉｖｅａｒｅａｏｆｒｅ ｓｅａｒｃｈｎｏｗａｄａｙｓ.Ｉｔｉｓｗｅｌｌ ｋｎｏｗｎｔｈａｔｍｏｄｅｌｐｒｅｄｉｃｔｉｖｅｃｏｎｔｒｏｌ (ＭＰＣ) ,ａｌｓｏｃａｌｌｅｄｒｅｃｅｄｉｎｇｈｏｒｉｚｏｎｃｏｎｔｒｏｌ(ＲＨＣ) ,ｈａｓｂｅｅｎｗｉｄｅｌｙａｎｄｓｕｃｃｅｓｓｆｕｌｌｙａｐｐｌｉｅｄｉｎｐｒｏｃｅｓｓｉ…     

Evolution of two properties for scale-free network

1 .INTRODUCTIONBecause complex network structure can describe awide variety of systems of high technological andintellectual i mportance ,there has been a consider-able interest in the growth properties of randomnetworks[1 ,2]. The typical random network is ascale-free network, which connectivity distribu-tions behave as power law. Scale-free network isan evolving network, which has many propertiesduring evolution, for example , the fitness andclustering coefficient of node are two i mport…     

Evolutionary Programming for IP/MIP Problems with Linear Constraints

1. INTSODUCTIONThe common illteger programming (lP) is a mathematical model which is designed to find aset of non-negative variables to medmize (or minimize) a nonlinear objective function whilesatisfying a set of constraints under integer restrictions of variables. An lP model with somevariables reqllired to be real is a mixed integer programming (MIP).The history of solving lP/MIP problems is not very old. According to reference [1], ageneral method for solvillg such problems may not…     

2-D algebraic test for robust stability of time-delay systems with interval parameters

1. INTRODUCTION The robust stability test of time-delay systems with interval parameters is to determine whether the eigenvalues of the characteristic polynomials of the systems are located at open left half complex plane. Different from classical 1-D systems, the eigenvalues of the characteristic polynomials are infinite, classical robust stability results (Kharitonov extreme test and Edge test) for 1-D systems are not suitable for the stability test of the characteristic polynomials of…     

窄带信号的逆合成孔径雷达

本文论述了窄带信号送合成孔径雷达成象原理。首先用谱分析法、全息法及相关法论述了获取旋转目标雷达图象的原理,然后用同样方法又论述了获取直线运动目标雷达图象的原理,最后给出了利用适合成孔径雷达获取目标散射特性的实验原理。     

普罗米修斯,还是潘朵拉?——自动化对社会的影响

我今天讲演的题目提到两个希腊神话里的人物:普罗米修斯和潘朵拉,这两个名字特别适合反映出西方对于潜在技术威力的认识。其一是普罗米修斯,他从天神那里盗来火种交给人类,后来被锁在岩石上每天任凭神鹰啄食而遭受折磨。虽然普罗米修斯遭此不幸,但是这个故事告诉人们,火至少于人类是件好东西。其二是潘朵拉,她让人感到好奇心(求知欲),有时侯也会导致罪恶而非善行为。当潘朵拉打开盒子的时侯,瘟疫、罪恶、疯狂等各种灾祸全跑了出来,她再也未能盖上盒盖。对于技术,也许是对现今存在的技术来说,我们持有这样并行不悖而又大相径庭的两种态度。现在我要谈到计算机技术。我不想讲实物,比     

最近五十年来的物理学——纪念美国物理学会成立五十周年

在某些历史时期,巨大的概念性的革命震撼着物理世界,而在其他时候,科学研究却往往只是在已有的结构中艰难地前进。物理学团体的结构,也必然随着研究形式的变化而变化。那么,什么是当代物理学的形式呢?它是如何演变的?这是相当困难但也并非无法回答的问题,我们可以从历史中得到一些启示。要在美国物理学会成立五十周年的1981年来估计我们自己的地位,我们首先应想象五十年前的物理学     

电化学在俄罗斯和苏联的发展

我不打算說明电化学在我国的所有的阶段的发展,这在一个报告的范圍之內也是不可能的,我只想談一談某些主要的特征。俄罗斯的第一个电化学家应該認为是彼得罗夫,他实现了150年以前可以拥有的最强有力的电源。利用这一电池組,曾经进行过許多有兴趣的     

New Challenge of Global Change

We briefly review the development of global change research program in the last decade, introduce the new structure of global change in the next decade, discusses the opportunities and challenges for China, and gives some suggestion on the supporting fields during the Tenth Five-Year Plan Period from 2001 to 2005.