查询词典 time-base control

A control scheme of micropositioner is proposed, two control methods are put forward: PID feedback control with BP neural network modeling in feedforward loopand fuzzy-PI sectionalized multimodal control

提出了微定位器的硬件控制方案，给出了两种控制方法：带有BP神经网络前馈环的PID控制方法和Fuzzv—PI多模态分段控制方法。

In the light of hysteresis, creep and nonlinearity of piezoelectric actuators, two control methods are presented. One is PID feedback control with BP neural network modeling in feedforward loop. Another is Fuzzy-PI sectionalized multimodal control. They are used for highspeed and precise position control of models driven by piezoelectric actuators.

针对压电陶瓷存在迟滞、蠕变和位移非线性等不足，提出了两种压电陶瓷微位移驱动器的位置闭环控制方法：带有BP神经网络前馈模型的PID控制方法和Fuzzy—PI多模态分段控制方法，实现了压电陶瓷微位移驱动器快速、高精度的位置控制。

D According to the new development in the defferential geometric nonlinear control theory and its applications in power systems, a control strategy combined the MTDC modulation and fast steaming valving control is presented. And numerical simulation is adopted to test the usefulness of this control strategy to the transient power systems.

根据微分几何非线性控制理论的新发展和它在电力系统中的应用成果，本文推导了多机交流/多端直流系统的快关汽门与直流调制联合控制的控制规律，并用数字仿真验证了这种控制规律在电力系统暂态过程中的作用。

The application of industry Ethernet control system has realized the integrating of enterprises control system and the management information system without has carried aperture. The embedded web Ethernet control system based on TCP/IP protocol is run through each level of the control system. As a network node, the equipment on the spot, equipment engineer and enterprise administrative staff are linked through Ethernet and form an organic whole .

工业以太网控制系统的应用实现了企业控制、管理信息的无缝集成，嵌入式web以太网控制系统基于TCP／IP贯穿于控制系统各个层次，将孤立的现场设备和设备工程师以及企业管理人员均作为一个网络节点通过以太网有机连接在一起，形成一个有机的整体。

In this thesis, active control approach and semi-active control approach are carried out to do the vibration control of cantilever aluminum plate and composite beam. And compare the control performance of these two methods.

本课题主要对悬臂铝板和悬臂复合梁分别用主动和半主动两种不同的控制方法进行振动控制，从而比较两种控制方法的优异性。

For Haiphong, Emerson's comprehensive PlantWeb solution includes deployment of the Ovation control system for data acquisition, as well as for monitoring and control of the sequence control system, furnace safeguard supervisory system, and electrical control system for all major plant components, including the boiler, turbine, flue gas desulphurization system and balance of plant processes.

对于Haiphong，艾默生全面的PlantWeb解决方案包括：Ovation控制系统的部署、为监测和控制的程序控制系统、熔炉保护监督系统和控制所有电厂设备的电气控制系统。这些设备包括锅炉、涡轮、废气脱硫系统和工厂平衡过程。

For Haiphong, Emerson's comprehensive PlantWeb solution includes deployment of the Ovation control system for data acquisition, as well as for monitoring and control of the sequence control system, furnace safeguard supervisory system, and electrical control system for all major plant components, including the boiler, turbine, flue gas desulphurization system and balance of plant processes.

艾默生为海防提供的综合PlantWeb解决方案包括用于数据采集、监测和控制次序控制系统、煤炉安全监测系统的Ovation控制系统，以及所有工厂主要部件的电气控制系统，包括汽锅、涡轮、废气脱硫系统以及工厂流程的平衡。

To accomplish the intelligent control of the three-axis numerical control system of the boring and milling machine tool based on IPC ,the research makes good use of the intelligence sport control card PCL-839 and PCLD-782/785 card to design the control system of the three-coordinate NC machine tool with the framework of embedding NC in PC.

为实现基于工控机 IPC 的三坐标印制电路板数控钻铣床的智能控制，研究运用PCL-839运动控制卡和信号输入输出卡PCLD-782/785，采用NC嵌入PC式结构设计该三坐标印制电路板数控机床的控制系统，以实现对该数控机床的控制。

To meet the technology requirements of detection process of brake cylinder buffer spring for railway truck, the papers was described and analyzed in numerical control, and designed a siemens S7-200 series PLC to control the core of the detection devices, to achieve the precise positioning control for numerical control system.

针对铁路货车制动缸缓解弹簧检测工艺的技术要求，文章在数控测控方面进行了详细的阐述和分析，并研制出了一种以西门子S7-200系列 PLC为控制核心的检测装置，实现了数控系统的精确定位控制。

Aiming at the characteristics of car retarder control system and its performance requirement, a fuzzy self tuning PD controller for retarder control is designed. It takes speed error and its change as fuzzy variables to determine the fuzzy control rules. Using the determined rules, the parameters of PD controller is adjusted on-line, which can be adapted well to required speed and the process parameter variation of retarder feedback control.

针对车辆减速器控制系统的特点和性能要求，设计减速器模糊在线自校正控制器，以调速过程中速度误差及其变化为输入语言变量，建立模糊控制规则；根据模糊控制规则在线调整PD控制器的参数，使控制器能较好地适应减速器闭环控制定速设定及过程参数时变。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。