外文翻译----蒸汽发生器水位模糊控制
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1、 PDF外文:http:/ 中文2175字 学 号 24081900389 南湖学院 毕业设计(论文)英文翻译 英文题目 : Research on Fuzzy Control for Steam Generator Water Level 中文题目: 蒸汽发生器水位 模糊控制 研究 文献出处 : Computer, Mechatronics, Control and Electronic Engineering  
2、; (CMCE), 2010 International Conference on Date of Conference: 24-26 Aug. 2010 作者姓名: Pengwei 译者姓名: 杨 胜 专 业: 机械设计制造及其自动化 完成时间: 2012.5.25 &n
3、bsp; Research on Fuzzy Control for Steam Generator Water Level I. INTRODUCTION The steam generator is one of the main devices in PWR nuclear power plant, in order to ensure the safety of nuclear power plant during operation; the steam generators water level must be controll
4、ed in a certain range. When the nuclear power plant is running, as the steam flow or the water flow changing, the amount of boiling bubbles in the steam generator will change due to local pressure or temperature change, the instantaneous water level showed “false water level” phenomenon . The existe
5、nce of “false water level” made it difficult to control the water level. The introduction of feed-forward control to the traditional single-loop PID control can, in a certain extent, overcome the "false water level" phenomenon. But the conventional PID control method in the process of stea
6、m generator water level control has some shortcomings. To the steam generator that has highly complex, large time-delay and nonlinear time-varying characteristics, the PID parameters tuning is a tedious job and the control effect is very poor. Furthermore, to achieve good control performance still a
7、s conditions changing, it often needs to change the PID controller parameters. But the analog PID controller parameters are difficult to regulate online. Fuzzy control is a kind of nonlinear control strategy based on fuzzy reasoning, which express operating experience of skilled manipulation men and
8、 common sense rules of inference through vague language. Fuzzy control do not need to know precise mathematical model of controlled object, is not sensitive to the change of process parameters, is highly robust and can overcome non-linear factors, so, fuzzy control has faster response and smaller ul
9、tra- tone, can get better control effect. Based on understanding above, this paper design a steam generator water level fuzzy controller, the simulation shows that the controller has good control performance and practical value. II. DYNAMIC CHARACTERISTICS OF STEAM GENERATOR The transfer function of
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- 外文 翻译 蒸汽 发生器 水位 模糊 隐约 依稀 模胡 控制 节制
