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药剂学是关于研究药物制剂、剂型的科学,包括: 基本理论(缓控释、透皮理论等) 生产技术(处方设计、制备工艺等) 质量控制(“制备”与“检测”的关系) 合理使用(剂型和制剂的选择等) 因此,药剂学知识贯穿整个药品研发、生产、销 售、监控、使用等领域→药学的主干课程
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一、什么是焙烤机械? 完成焙烤操作的机械叫焙烤机械特点:执行机构简单。 设计内容: 1、提供足够的热源。 2、热源选择、布置合理。 3、保温节能。 4、炉体结构尺寸合理。 5、炉温可控制、炉内潮气可排除
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There are many concepts that are used in fuzzy sets that sometimes become useful when studying fuzzy control. The following problems introduce some of the more popular fuzzy set concepts that not treate were not treated earlier in the chapter. (a)The\support\ of a fuzzy set with membership function (x) is the(crisp) set of all points x on the universe of discourse such
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Develop a graphical depiction of the operation of the fuzzy controller for the inverted pendulum similar to 3 π the one given in Figure2.1 99 on page46. For this choose(t)=andet)=, which will result in four rules being on. Be sure to show all parts of the graphical depiction
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There are many concepts that are used in fuzzy logic that sometimes become useful when studying fuzzy control. The following problems introduce some of the more popular fuzzy logic oncepts that were not treated earlier in the chapter or were treated only briefly (a)The complement(\not )of a fuzzy set with a membership function has a membership function given by A(x)=1-u(x). Sketch the complement of the fuzzy set shown in Figure 2.6 on page 30 (b)There are other ways to def ine the\triangular norm\for representing
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In this problem we will study the effects of adding rules to the rule- base. Suppose that we use seven triangular membership functions on each universe of discourse and make them uniformly distributed in the same manner as how we did in Exercise 2.3. In particular make the points at which the outermost input membership functions for e saturate at +r/2 and for e at tr/4 For u make the outermost ones have their peaks
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problem you will study how to represent various concepts and quantify various relations with membership functions. For each part below, there is more than one correct answer. Provide one of these and justify your choice in each case. (a)Draw a membership function (and hence define a fuzzy set) that quantifies the set of all people of medium height
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专家系统(expert system)是人工智能应用研究的主要领域。正如专家系统的先驱费根鲍姆(Feigenbaum)所说: 专家系统的力量是从它处理的知识中产生的,而不是从某种形式主义及其使用的参考模式中产生的。这正符合一 句名言:知识就是力量。自从1965年第一个专家系统 DENDRAL在美国斯坦福大学问世以来,经过20年的研 究开发,到80年代中期,各种专家系统已遍布各个专业领域,取得很大的成功
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Questions: Why do we select fuzzy controllers in many real-world- systems? How much of the success can be attributed to the use of the mathematical model and conventional control design approach? How much should be attributed to the clever heuristic tuning that the control engineer uses upon implementation?
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Fuzzy control does not exist as an isolated topic devoid of relationships to other fields, and it is important to understand how it relates to these other fields in order to strengthen your understanding of it. We have emphasized that fuzzy control has its foundations in conventional control and that there are many relationships to techniques, ideas, and methodologi there. Fuzzy control is also an\intelligent control\technique
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