| 1. | A nonlinear unified controller design for heavy - duty turbogenerator
大型汽轮发电机非线性综合控制器设计 |
| 2. | Simulation results show the better features of the controller proposed
仿真结果表明，综合控制器具有良好的性能。 |
| 3. | 3 . general controller model and its dynamic simulation are accomplished by matlab
三、结合实例，采用matlab软件建立综合控制器模型并对其进行动态仿真。 |
| 4. | A hardware configuration of general controller and its control algorithms blocks are presented taking nowadays computer techniques and practice into account
四、根据当前计算机技术结合实际给出一个综合控制器的软硬件配置。并给出各种控制算法流程图。 |
| 5. | It is the first time to advance the control scheme of applying hoo control theory to control diesel - generator set of ship power station synthetically and mathematical model of diesel - generator set synthetic control system using h control theory in this paper
本文首次提出了应用h _控制理论对船舶电站柴油发电机组进行综合控制的控制方案和应用h _综合控制器的柴油发电机组综合控制系统的数学模型。 |
| 6. | Based on researching the function of every kind of eliminating arc loop , new concept was brought up in this paper , and the protective device for eliminating arc and overvoltage was researched and manufactured . when the arc light connecting the ground emerges , the chip synthesizing controller control the vacuum contacter which can be operated with dividing phase and make its fault phase earthed so that the arc light can be dissolved thoroughly
本文在研究各种消弧线圈的基础上，提出全新的概念，研制出了消弧及过电压保护装置，该装置在出现弧光接地时，通过单片机综合控制器控制一组可以分相操作的真空接触器，使故障相接地，达到彻底消除弧光的目的。 |
| 7. | In two axis system , a circle interpolator is designed , and a new method based on ga - neural networks is proposed to adjust pid parameters online to reduce the tracking error . then , an integrated controller based on rbf neural network ( rbfnn ) is designed to reduce the contouring error of the two axis . experimental results show that the proposed integrated controller significantly improved accuracy in both tracking and contouring
对于双轴系统设计了一个轨迹为圆的插补器，采用基于遗传算法?神经网络的在线pid参数调整算法，减小了系统的跟踪误差，并分析双轴之间的轮廓误差，设计出基于rbf神经网络的综合控制器，经过仿真实验证明，本文采用的综合控制器能有效地减小系统的跟踪误差和轮廓误差，提高系统的控制精度。 |
| 8. | The elip is suitable for the case that the uncontrollable subnet is cascade petri net and some cascade subnets are neither acyclic petri nets nor state graphs , and the main character is that the nonlinear integer program problem is converted into the problem that can be solved by using some standardized mathematical tools
当不可控子网是序状petri网，且无法用整数规划法综合控制器时，可使用扩展线性整数规划法，该方法的优点在于把非线性整数规划转化为可用标准数学工具求解的问题。 |
| 9. | The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively , analyzed the developments and actuality of nonlinear control research in brief , illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory , based on which ， discussed the dfl theory , pointed out which had consistency with the inverse theory , expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller , the other is the proportion excitation controller and the optimal fast valve controller , which could exert good performance when met 1ittle disturbance either
在介绍逆系统理论的基础上，详细介绍了dfl理论，通过比较阐明了dfl理论其本质是逆系统方法的一类，并结合具体课题推导出的模型方程将dfl理论进行了扩展，使之适应于电力系统这个强非线性对象。通过参考大量的书籍文献推导出一套实用的可将大型汽轮发电机励磁与汽门综合起来进行控制的模型方程，此模型方程涵盖了电力系统中特别引人注目的几个量- -转子角、转子转速、发电机q轴电势eq 、暂态电势e ' q 、有功功率pe 、机械功率pm 、汽门开度、机端电压vt ，在此基础上建立了实用的电力系统简化的数学模型，并将扩展的dfl理论应用于此模型系统，结合线性二次型最优控制理论设计出大型汽轮发电机的非线性综合控制器及机端电压最优控制器，通过仿真实验与采用常规的按电压偏差进行调节的比例式励磁控制器+汽门比例控制及采用常规的按电压偏差进行调节的比例式励磁调节器和基于二次型性能指标设计的最优快控汽门(考虑发电机的饱和因素)进行了对比，证实了采用此种控制器可以有效地提高电力系统的暂态稳定性，并且在电力系统遭受小干扰时同样具有良好的调节性能。 |
| 10. | The main work and the research results are : 1 . a general controller model based the traditional controller is established after combining characteristics of traditional controller and the latest achievement such as pss ( power system stabilizer ) . the controller proposed has an advantage on the economy aspect
主要工作和研究成果由四部分组成：一、从传统控制器出发，研究它们的共性，并综合考虑当前发电机组控制的最新成果如电力系统稳定器pss等，建立了一个基于传统控制器的综合控制器模型。 |
