电动的

Design method of the electromechanical actuator controller based on the robust mixed H2/H* control theory is studied, taking advantage of the priority of the linear matrix inequation in solving the problems of the multiobject control, the robust mixed H2/H* control problem of the electromechanical actuator under the condition of parameter perturbation and external disturbance can be transformed to the solving of the linear matrix inequation.

研究了基于鲁棒H_2／H_∞混合控制理论的电动舵机的控制器设计方法，利用线性矩阵不等式在多目标综合控制问题求解方面的优势，将存在参数摄动及外部扰动时的电动舵机的鲁棒H_2／H_∞混合控制问题转化为线性矩阵不等式问西北工业大学博士学位论文题并进行求解。

It consists of four: parts: the program of automatic Z-scan control and data processing, multi-function data acquisition and control board, motorized translation stage, and joulemeter/-powermeter. Based on the Windows98 system, the program of automatic Z-scan control and data processing is programmed in LabWindows/CVI environment. The experiment error can be eliminated by Automatic Z-scan system through dual channel scan. The multi-function data acquisition and control board, motorized translation stage are made in our lab. The joulemeter/powermeter is EPM2000 of Molectron Detector Inc..

其中，Z扫描控制及数据采集软件是在Windows98操作系统下，利用LabWindows/CVI开发出来的，利用该软件进行双通道扫描可以很方便的消除由于功率波动引起的实验误差；多功能数据采集卡是我们自行开发的，它可以同时控制电动导轨和进行数据采集；电动导轨是由光学精密导轨和步进电机等组装成的；功率能量系统采用的是Molectron Detector Inc。

Aiming at the shortcomings of traditional electric operator, the paper put forward the design scheme of a new kind of electric operator by using computer technology and electronic technology, and introduced lectotype and design of each functor as well as the solution of the key questions in details.

摘要针对传统的电动执行机构的缺点，文章运用计算机技术和电子技术，提出了一种新型电动执行机构的设计方案，并详细介绍了该执行机构各功能元件的选型与设计以及关键问题的解决方法。

Main Contents and Investment Scale: The construction project focuses on producing ship matching products including auxiliary project for the power station: marine diesel engine and marine generator; Auxiliary parts and equipment for cabins: marine gear box and electronical controlling device; pumps and valves: hydraulic rubber tubes, hydraulic oil cylinders, various valves, various pneumatic actuators, electric actuators, magnet valves, pressure regulators and electric appliance localizers etc.; marine electric appliance: marine APT series of pilot lamp buttons, GMC series of LG low-voltage electric appliances, voltage regulators, marine power distribution boxes, deck machinery: marine crane, electric hydraulic reamers, anchors, various hoists, marine materials: marine stainless steel pipes, marine watertight doors, portholes, rectangular windows, hatch covers, spring dragging hooks, coarse water screens, marine steel plates, marine communication navigators etc..

项目名称：船舶配套。2、项目主要内容及投资规模：建设项目以船舶配套产品为主，包括主机电站类的船用柴油机、船用发电机；机仓辅机类的船用齿轮箱、电子控制装置；泵、阀件类的液压胶管、液压油缸、各种阀门、各种气动执行器、电动执行器、电磁阀、调压阀、电器定位器等多种阀门配件、各种船用泵类；船用电器类的船用 APT 系列指示灯按钮、 GMC 系列 LG 低压电器、电力稳压装置、船用配电箱；甲板机械类的船用起重机、电动液压绞车、锚机、各种吊机等；舾装材料类的船用不锈钢管、船用水密门、舷窗、矩形窗、舱口盖、弹簧拖钩、粗水滤、船用钢板；船用通讯导航类设备等。

In order to study the influences of different characteristics of assitance on vehicle steering performance,we established the EPS model based on steering-wheel angle input,and selected the assistance characteristic curve.

为了研究助力特性对汽车转向性能的影响，建立了转角输入的电动助力转向系统的动力学模型，选定了EPS的助力特性曲线；并通过仿真，验证了所建立模型的正确性；最后利用自主开发的电动助力转向控制器进行了实车试验，试验结果表明所设计控制器能很好地满足转向性能指标

The appearance of brushless DC motor brought the development of EPS a new opportunity. BLDCM does not only possess almost all the advantages of a DC motor, but also has a series unique advantage. The way of taking the place of DC motor by a permanent magnet coreless brushless DC motor gives a totally new method for the development of EPS in the future.

无刷直流电机的出现为电动助力转向的发展带来了新的机遇，它不仅具有几乎直流电机的全部优点，同时还具有一系列无可比拟的优势，特别是采用无铁心永磁无刷直流电机代替普通直流电机，不失为今后电动助力转向发展的一种全新思路。

A hammer drill, in particular a chipper comprising: a body 2 having at least one support handle 4; an electric motor mounted within the body 2 ;an electric switch 22, capable of being switched on and off by a trigger button 8 connected to it, to activate or deactivate respectively the electric motor, wherein the trigger button 8 is moveable between two positions, a first position where the electric switch 22 is off and a second position where the electric switch 22 is on; a locking arm 38 moveably mounted on the electric switch 22 which, when the trigger button 8 is located in its second position, is moveable between two positions, a first position where it is disengaged from the trigger button 8 and a second position where it engages with the trigger button 8 and holds the trigger button 8 in its second position.

锤钻特别是錾，包括：本体(2)，该本体(2)具有至少一个支撑手柄(4)；安装在本体(2)内的电动马达；电开关(22)，该电开关(22)能够由连接到电开关(22)上的触发按钮(8)接通和断开，从而分别使电动马达启动或停用，其中该触发按钮(8)能够在两个位置即第一位置和第二位置之间移动，在该第一位置处电开关(22)断开，在该第二位置处电开关(22)接通；可移动地安装在电开关(22)上的锁紧臂(38)，当触发按钮(8)位于它的第二位置中时，该锁紧臂(38)能够在两个位置即第一位置和第二位置之间移动，在该第一位置处锁紧臂(38)与触发按钮(8)脱离，在该第二位置处锁紧臂(38)与触发按钮(8)接合并将触发按钮(8)保持在触发按钮(8)的第二位置中。

As a new rodless oil production equipment, the ESPCP can be applied in high-viscosity, wax content, sand or gas content well, and radically resolve problems met by sucker rod screw pump applied in heavy oil production such as break of rod , offset-abrasion of rod tube and limit to apply in deep or deviation well .The unit also overcomes the low efficiency of ESP pumping high viscosity oil and especially applied in directional well .

潜油电动螺杆泵作为一种新型的无杆采油设备，可用于高粘度、含腊、含砂、含气原油的开采，从根本上解决了有杆螺杆泵在稠油开采中的抽油杆断脱、杆管偏磨和在深井、斜井中使用受到限制的问题，而且也克服了潜油电动离心泵输送稠油效率低的缺陷，特别适用于定向井的原油开采。

Secondly, based on the function analysis of EV test bench, using the modular design idea, this dissertation compartmentalizes the functional module of EV test bench, and analyzes the essentially comprising of the modules such as driving module, power take off module, inertia simulation module, load simulation module, main control module and power supply module. Especially introduces selection principles of driving motor of power take off module.

其次，在对电动汽车试验台功能进行分析的基础上，采用模块化设计的思想对电动汽车试验台的功能模块进行了划分，并就驾驶引导模块、动力输出模块、惯量模拟模块、负载加载模块、试验台主控模块和电源模块的基本组成进行了深入分析，并在动力输出模块部分着重介绍了驱动电机的选择原则。

Under these circumstances, we have to ensure safety during lifting. Target at this special occasion, we have newly developed double brake electric hoist with 2nd brake functions, in terms of structure, apart from common brake of cone-shaped rotor brake motor, a German lunci company manufactured spring magnetic electricity-breaking brake is added on gearbox high-speed shaft to increase the safety of electric hoist brake.

这就要求我们在起吊过程中确保万无一失，针对这种特别重要的场合，我公司新近开发了具备第二制动功能的双制动电动葫芦，它在结构上除有锥形转子制动电机正常制动外，在减速器的高速轴上增加一套由德国伦茨公司生产的弹簧电磁失电制动器，来增加电动葫芦制动的安全性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。