查询词典 controller

This invention relates to a DC linear motor digital controller including a central processor circuit, a data memory, a program memory, an A/D conversion circuit, a D/A conversion circuit, a linear shift orthogonal code pulse signal circuit, a signal isolation circuit, among which, the center processor circuit is composed of a special DSP chip controlled by the motor, a complicated programmable logic device CPLD combining with a peripheral expanding circuit, said digital controller fully utilizes the motor to control the special DSP chip to integral DSP kernel CZXLP and the rich external circuit in a single chip to make up of a digital controller for controlling high frequency response DC linear motor with small volume, low dissipation and high reliability.

高频响直流直线电机数字控制器，属于电机自动控制技术领域，目的在于获得快速、高精度往返运动的控制效果，实现高频响直流直线电机的精密位置跟踪控制功能。本发明包括中央处理器电路，数据存储器，程序存储器，A/D转换电路，D/A转换电路，直线位移正交编码脉冲信号电路，信号隔离电路；中央处理器电路由一个电机控制专用DSP芯片，复杂可编程逻辑器件CPLD，结合外围扩展电路组成。该数字控制器充分利用电机控制专用DSP芯片将高性能DSP核C2xLP和丰富的功能外设电路集成在单个芯片上这一特点，构成了一个体积小、功耗低、可靠性高和功能比较齐全的高频响直流直线电机控制用的数字控制器，使系统的整体成本大大降低。

A mathematical model of interceptor missile was constituted based on moment of momentum theorem. And with a view to mathematical model and fire logic of thrusters, a neural network controller of attitude motion system was designed for interceptor missile: acquiring basal controller based on simple method, and adjusting control parameters of simple controller using neural network.

首先基于动量矩定理建立了拦截弹姿态运动的数学模型，然后针对数学模型和推力器点火逻辑的特点，设计了拦截弹姿态运动系统的神经网络控制器。

Application of proportional controller to active vibration control incorporated with passive vibration isolator to suppress its resonant oscillation of natural frequency is proposed in this paper. Vibration acceleration acquired from accelerator is inputted to controller as feedback signal. The processed signal from controller is transmitted to voice coil actuator to control vibration.

本文主要是运用比例控制器进行被动式隔振系统自然频率共振抑制之主动控制研究，控制回馈讯号采用加速规量得之振动加速度值，经由控制器计算输出控制讯号驱动音圈致动器进行主动控制。

In the experimental work, application of proportional controller to active vibration control incorporated with passive vibration isolator to suppress its resonant oscillation of natural frequency is studied in this project. Vibration acceleration acquired from accelerator is inputted to controller as feedback signal. The processed signal from controller is transmitted to voice coil actuator to control vibration. Firstly, based on the theoretical equations which govern the system vibration, the physical mechanism of active control in total system is studied.

在实验部分，则运用比例控制器进行被动式隔振系统自然频率共振抑制之主动控制实验，控制回馈讯号采用加速规量得之振动加速度值，经由控制器计算输出控制讯号驱动音圈致动器进行主动控制。

The problem of PI controller design for the multi-input and multi-output system is transformed to that of static output feedback controller design via the new state variable. As to the problem of the static output feedback, a new LMI-based sufficient condition of the controller is presented in this thesis. We can gain the multivariable PI controllers just solving one LMI inequality. The numerical example is provided to illustrate the proposed design approach. 3.The H_∞ robust control is able to solve the multivariable problem, also the control problem characteristic of the modeling error, parameters uncertainties and unknown perturbation, Its application research in the power electronics is beginning now. Considering the characteristics of the PWM DC-DC converters, a multivariable PI controllers which is based on H_∞ Performance Index is designed.

通过构造新的状态变量，可以将多输入多输出系统的PI控制器设计问题转化为静态输出反馈控制问题，利用后者的成熟理论来设计控制器；本文在问题转化后采用更为简便的算法，只需通过求解一个LMI不等式，就能求取基于H_∞性能指标的多变量PI控制器参数，实例验证了算法的有效性。3.H_∞鲁棒控制具有处理多变量问题的能力，可解决具有建模误差、参数不确定和干扰未知系统的控制问题；它在电力电子学中的应用研究刚刚开始。

Based on analysing the respective characteristics of regular PID controller in trational control theory and fuzzy logical controller in intelligent control theory, the idea and technique of expert system is introduced to develop a novel kind of hybrid intelligent controller. It can coordinate two kinds of control algorithms and tune the control parameters on-line for different working zones of the controlled process.(3) The hybrid knowledge expression model, which combines discrete state space model, fuzzy relational model and rule base model, is proposed based on analysing the characteristics of all kinds of knowledge expression models. The knowledge of the controlled process in different aspects can be expressed resonably by it. Based on the model mentioned above, the related optimization strategy for complex system is developed.

本文的主要贡献体现在：（1）以炼油厂的催化裂化装置和钢铁联合企业的大型焦炉装置两个典型的复杂工业过程为例，分析了工业大系统的许多不易控制的特性，并归纳了其中的几个典型特征；（2）针对经典控制理论中的常规PID调节器和智能控制技术中的模糊逻辑控制器各自的特点，通过引入专家系统的思想和方法，开发了一类混合式专家控制器，它同时具备在线协调两种不同控制规律和自动学习控制规则的能力；（3）通过分析各种知识表达模型的特点，提出了一类包括离散状态空间模型、模糊关系模型和规则基模型在内的混合知识表达模型，它能对过程知识在各个不同侧面给予合理的描述。

In order to reduce the periodic current tracking error of the deadbeat control when compensating abruptly changing nonlinear load current, a repetitive controller is plugged into the deadbeat controller. Also, the repetitive controller can alleviate the parametric dependency of the deadbeat control and eliminate the effects on compensation performance caused by the uncertainties in the system.

另外，为了降低无差拍控制对系统参数的依赖型和系统中存在的不确定性对补偿性能的影响以及减小在补偿电流变化剧烈的非线性负载电流过程中存在的周期性的局部跟踪误差，本文在无差拍控制器的基础上，又提出了基于无差拍和重复控制的复合电流控制器。

The controller uses the data write buffer to reduce the data access waiting time, and employs the two ways of duo channels instruction pre-fetch buffer to decrease the fetching instruction waiting time and increase the instruction pre-fetch buffer hit rate. Meanwhile, to reduce the waiting time aroused by page miss of SDRAM, a four ways of on chip stack memory is introduced. Compared with traditional controller through experiments the novel SDRAM controller gets a high reduction up to 63% in access waiting time and 64% in page miss.

该控制器采用数据写缓存方式降低了数据在存取内存时的等待时间；并引入了两组双通道预取指令缓冲器，每组双通道都用以减少取指令时的等待时间，采用两组的结构是为了增加指令预取的命中率；同时还使用了四路组关联的片上堆栈存储器来降低SDRAM的页失效频率，从而降低了因页失效而需要等待的时钟周期。

To ontrol the listed company\'s information through agent-internal controller is one of the measures that ultimate controller control the listed companies. Specifically, accouting information is one of the important information in listed company, so the preannouncement characeristics are branded in the ultimate controller\' to some extent.

终极控制人对上市公司控制的方式之一，就是经过他们的代理人——内部控制人实现对信息的控制，而会计信息又是信息的重要一环，因此，从某种角度来说，业绩预告的特征打上了终极控制人的烙印。

Fuzzy controller base on variable universe is a kind of self-reacting controller,With a proper expandable and shrinkable factor,its universe can be changed according to the change of input error. With fuzzy rules increased greatly, both dynamic performance indices and stable performance indices are improved, compared with common fuzzy logic controller.

变论域模糊控制器是一种高精度的自适应模糊控制器，通过伸缩因子收缩论域，使实际的控制规则大幅度增加，无论在动态性能方面，还是在稳态性能方面，相对于一般模糊控制器均获得了较大的提高。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了