查询词典 self-synchronous motor

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专业生产各种自粘线圈、特殊线圈、玩具摇摆器线圈、电感线圈、自粘空心线圈、IC卡线圈、动物耳、脚标线圈、磁棒线圈、圆币卡线圈、钥匙扣线圈、投币器线圈、马达线圈、BOBBIN线圈、ID卡、厚卡线圈、鼠标线圈、感应线圈、房卡类线圈、衡器线圈和其他未分类钥匙配饰、摆挂件饰品、VCM音圈、喇叭音圈、跑道形喇叭音圈、DVD激光头线圈、扁平马达线圈、手机振动马达线圈、各种自粘异型线圈等。

The motor's dynamic model, which is generally employed for speed control and parameter estimation applications, is improved for the purpose of improving the parameter estimation accuracy by the assumption that the stator self inductance Ls is identical to the rotor self inductance Lr. The motor's dynamic response to a direct on line start is used to estimate the parameters.

详细给出了遗传算法应用于动态数学模型参数识别问题的一般步骤，在Kron动态数学模型基础上，假定定子自电感Ls和转子自电感Lr相等，利用异步电动机直接空载起动的特性，对异步电动机动态数学模型和简化模型的参数进行了识别，给出了识别参数及有关结果。

Based on accurate step motor system parameters, the state equations describing step motor dynamic characteristics are set up. The operation of the self synchronization closed loop control system is simulated on computer. In the research the principle analysis and system design have been done about self synchronization closed loop operation. The relation between rotating EMF and the rotor position of the step motor is discussed. Through detecting the zero value of rotating EMF the rotor position of the step motor is indirectly obtained.

在得到准确的步进电动机系统参数的基础上，建立了描述步进电动机动态特性的状态方程，并对自同步闭环系统的动态特性进行了计算机仿真在论文的研究中，分析了旋转电势与电机位置的对应关系，通过旋转电势的过零检测间接得到转子位置信号，利用这种"间接传感器"方法实现了步进电动机的自同步闭环控制，论文从原理分析和系统设计两方面进行了研究。

And self-service motor vehicles and agents of all types of merchandise import and export trade as one of the large diversified economic entities.

汽车服务及自营和代理各类商品的进出口贸易为一体的多元化大型经济实体。

H.伸缩环转动环伸缩环垫片前轴封 S D / L D / S L M E C H A N I C A L S E A L P U M P S SD/LD/SL SERIES PUMPS The SD/LD/SL series are dependable, self priming pumps. The full motor horsepower is translated into fow via the shaft. These pumps are used for a wide range of applications, from chemical transfer to process solution recirculation to waste treatment. This series is capable of self-priming up ro 20 feet of lift. The mechanical seal is a self-cooling, Tefon bellows which is cooled by the solution being pumped. The construction materials and seals avaiable make this pump extremely versatile. The horizontal design has a working temperature from167℉ to 194℉(75℃ to 90℃), depending on the material of construction, and can handle most chemical solutions. The SD/LD/SL series pumps are designed to run outside the tank or process module. The SD/LD series pumps incorporate a FRPP molded base, legs and pump-to-motor casing. There are no bolts or metallic parts in contact with the solution being pumped.

SD/LD/SL泵是可靠的自吸泵，马达全部的马力经由轴心完全转化为流量，此型泵广泛地使用於从化学药水循环或加工溶液循环到废水处理等各种用途，此型泵可自吸达20英呎，机械轴封是自我冷却的，经由抽送的溶液来冷却，可供应的不同结构材质及轴封使此种泵的用途非常多样化，依其结构材料的不同，其卧式设计的工作温度由75℃到90℃(167℉到194℉)，而且可处理绝大部份的各种溶液，SD/LD/SL是设计用於槽外或加工模组之用，SD/LD加入一个FRPP射出成型的脚座，脚架及泵到马达的外罩，没有螺栓或金属会接触到所抽送的溶液。

A wind- and motor-powered land vehicle with a fore-and-aft longitudinal axis comprising a body supported by wheels, at least one of said wheels fixed to rotate in a plane parallel to the fore-and-aft axis of said vehicle, an airfoil system comprised of two vertically extending airfoils rigidly mounted on said body in an arrangement having bilateral symmetry about a vertical plane through said fore-and-aft axis, said airfoil system providing a forward propelling force of said vehicle when the airfoil system is subjected to certain cross wind conditions, and self-contained motor propulsion means on said vehicle for providing acceleration from a stationary position and for propelling the vehicle either independently or in combination with propelling forces generated by wind action on said airfoil system, each airfoil having a plurality of airfoil sections telescopically fitted together, the lower airfoil section being rigidly mounted in fixed relationship to said body, said airfoil system including a retracting mechanism for lowering upper airfoil sections of said airfoil system when desired and for subsequently extending said airfoil system, said retracting mechanism including a plurality of linkages interconnecting said sections and an actuator means operatively connected between said body and to said linkages for lowering and extending each airfoil, and an intermediate airfoil extending between the upper sections of each of said airfoils so as to provide an inverted U-shaped airfoil.

风力和电动机驱动的陆地车辆与前列和尾部长轴组成的一个机构的支持，车轮，至少有一说，车轮固定在一个旋转平面平行的前列和前后轴的说，车辆，翼型系统组成的两个垂直扩展翼型硬性安装在说，机构在安排后，双边对称约一垂直面说，通过国内外和前后轴，表示翼型系统提供了一个向前推进的力量说，车辆时，翼型系统是受到某些横风条件下，和自我载电机推进的手段就表示，车辆提供加速从一个固定的立场和为推进车辆单独或结合，与推进力量所产生的风的行动表示翼型系统，每个机翼有一个多元化翼型第telescopically装在一起，较低的翼型节被硬性安装在固定的关系，说身体，说翼型系统包括一个撤消的机制，降低上翼型章节说，翼型系统时，理想的和其后再将说，翼型制度，说收回机制包括多元化的联系互连说，部分和一个致动器的手段手术之间的连接说，身体和说，联系降低，并延长每翼型，及一个中间翼型延长之间的路段上的每说翼型，以便提供一个倒U -形翼型。

This paper analyses the heat absorption and evaporation process of the droplet, the combustion characteristic of motor spirit and ethanol motor spirit, and oxygen concentration of motor spirit and ethanol motor spirit was measured from burning to self extinguishing in the enclosed space.

摘要分析了细水雾灭火时液滴的吸热蒸发过程和汽油与乙醇汽油的燃烧特性，进行了汽油、乙醇在封闭空间内从燃烧到自行熄灭时的含氧量变化测量。

For motor asynchronous vector control system for electrical parameters and load factors such as fluctuations in the deterioration of the problem, design a two-dimensional fuzzy controller as a self-adjusting induction motor vector control system the speed regulator, the induction motor vector Control system not only dynamic and static performance have been improved, but also is robust.

针对异步电机矢量控制系统因电机参数变化和负载波动等因素性能变差的问题，设计了一种二维自调整模糊控制器作为异步电机矢量控制系统的速度调节器，使异步电机矢量控制系统不仅动态和稳态性能都得到提高，而且具有较强的鲁棒性。

In light of experience, the brushless self-control motor starter is superior to the frequency sensitive rheostat, but it's slightly inferior to liquid resistance box with larger capacity.

在调整前应确定电源（10KV，6KV，380V ）无缺相，起动柜及电动机无故障且过流整定值合适情况下再调整液体的阻值。

This is a photo of Samuel Holland's Repair Shop in Park River, North Dakota, where Holland, a native of Norway, built self-propelled motor vehicles in his spare time.

这是挪威移民萨慕尔荷兰位在北达科达公园河畔的修车厂，他也利用空余时间建造自力推动机械式的汽车。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失