| 1. | The c5 is used as the basic controller for many standard furnaces . it is very easy to operate and offers one settable heating - up ramp and one holding time C5是用于众多纳博热机标准电炉的基本控制器.它易于操作,并提供一条可设置的加热曲线和一段保温时间 |
| 2. | Therefore , research works have been done through simulation and experiment on rc characteristics , basic controller design principle and rc application in ac power system 研究工作主要集中在重复控制系统的基本性能、控制器设计理论以及针对逆变电源系统的应用设计等方面。 |
| 3. | Based on feedback linearization in the nonlinear systems and variable - structure control theory in the linear system , a new nonlinear basic controller is designed 并应用状态反馈精确线性化方法与线性系统的变结构控制理论相结合的方法,设计了新型非线性变结构控制器的控制规律。 |
| 4. | The performance of its basic controller decides the operation condition of hvdc system . for improving the system stability in ac / dc system , the additional controller is very important 直流输电系统能否正常运行与其基本控制器的性能息息相关,附加控制器又是提高交直流互联系统运行稳定性的重要保证。 |
| 5. | The principle , the content and the application of j1939 will also be described in this document in detail , at last , the smallest unit and the basic controller net have been designed 以及详细论述的j1939协议的原理,内容及应用。最后设计最小节点子系统,并构建控制器局域网络初步;根据1939协议编写通信程序,并最终实现数据通信功能。 |
| 6. | This paper focuses on the applying of the nonlinear control theory in hvdc control system . the main method is feedback linearization in the nonlinear systems , combined with the control theory in linear system . new basic controller and additional controller are designed in this paper 本文侧重于研究非线性控制理论中非线性系统反馈线性化方法在直流控制系统中的应用,并结合线性系统的控制理论,设计了直流系统中新型的基本控制器和附加控制器。 |
| 7. | In chapter 4 , a basic controller of hvdc is designed . for the voltage problem at the inverter , this paper adopts the constant reactive current control at the inverter , which is different from the traditional control method . the constant reactive current control can adjust reactive power consume at the inverter and improve the voltage stability 在第四章hvdc基本控制器的设计中,针对逆变站消耗无功功率与电压稳定性之间的矛盾,在逆变侧采用了有别于传统方式的定无功电流控制,目的在于调整逆变侧吸收的无功功率,从而获得较好的电压稳定性。 |
| 8. | This paper , based on this idea and integrating related literature and information , applies extension theories and methods to control field and brings forward the arithmetic of extension control to control electro - hydraulic servo system . the following will introduce the main work finished : after looking up a lot of bookings and papers about extenics , i apply the theories of extenics to control field and research the arithmetic of extension control . implementation of the upper extension controller and improvement of the control algorithm in the basic controller are developed 本文主要完成了以下工作:查阅了大量关于可拓学的著作和论文,将可拓学的理论和方法用于电液伺服控制领域,提出了电液伺服系统的可拓控制算法,对可拓控制器的结构和具体实现进行了深入研究,探讨了上层可拓控制器的实现问题,改进了基本可拓控制器的控制算法,并用这类可拓控制器对电液伺服控制系统做了仿真研究和实验研究,研究结果表明可拓控制器具有良好的控制品质,验证了可拓控制在电液伺服系统应用中的可行性与优越性。 |
| 9. | In this paper , the upper - class intelligent control scheme is adopted according to the characteristics of tobacco re - dryer and the present control condition in order to solve the problem that the output tobacco moisture can ? keep stable . that is , to keep the old every pid control link , to add the upper - class computer so that sets up the upper - class intelligent control system that consists of the description management sub - system , the fuzzy compensation on line sub - system and the self - learning system . the following are control procedure : first of all , a series of output values of description can be obtained by the forward inference of basic controller on the basis of the information of input tobacco , then , these output values can be adjusted by the fuzzy compensation controller with inquiring the fuzzy control - list on line in the light of the output tobacco moisture error 本文针对烤机的工艺特点和目前控制现状,提出用上位智能控制的方法解决烤机目前存在的问题,即在保留原有各段pid控制的基础上,增加上位计算机,建立起由配方管理子系统、模糊在线修正子系统和自学习系统组成的上位计算机监控、决策的智能控制系统;控制过程为:基本配方控制器根据来料信息正向推理提供烟叶复烤机各段参数设定值的基值;模糊补偿控制器根据烟叶水分偏差在线查询模糊控制表提供相应参数设定值的修正值,实现烟叶复烤机参数的在线修正;学习环节的引入实现烟叶配方的在线优化。 |