Design and Application of Intelligent Control of AC Contactor

The control of contactor with a new type of permanent magnet actuator is studied in this thesis.

执行器是楼宇自动化系统的重要组成部分，它的功能与性能直接影响控制的效果。

The utility model discloses an energy consumption braking circuit of a three-phase asynchronous motor, which is composed of a three-phase asynchronous motor and a main control contactor.

本实用新型公开了一种三相异步电动机能耗制动电路。它由三相异步电动机与主控接触器构成。

The rotating biological contactor is a high efficient immobilized device for microorganism which is suitable for treating the acid mine drainage.

生物转盘反应器是一种高效率的微生物固定化装置，很适合处理水量适中的矿山酸性废水。

Anaerobic photo-rotating biological contactor/ aerobic biofilm for the treatment of azo dye wastewater

厌氧光生物转盘-好氧生物膜处理偶氮染料废水

Methods: Coal cinder filtration, rotating biological contactor and ecological pool were jointly applied in wastewater disposal.

方法：采用过滤、生物转盘和生态池串联的方法对生活污水进行处理。

Carbon and nitrogen removal with netlike rotating biological contactor

网状生物转盘同步去除C和N的研究

The process conditions of the start-up and stabilizing stage of rotating biological contactor are studied.

研究了生物转盘反应器启动阶段的工艺条件。

Research on the Start-up and Process Properties of Rotating Biological Contactor for Acid mine Drainage Treatment

矿山酸性废水处理生物转盘反应器启动及工艺特性研究

Treatment of Organic Wastewater by Rotating Biological Contactor with Granular Biofilm

新型颗粒生物膜生物转盘处理有机废水的研究

Based on the above results, the calculating formulae of the induced normal curvatures and the angles between the contacting line and direction of the relative sliding speed are introduced.

以上述工作为基础，进而导出了行星轮轮齿滚珠与定子螺旋面及转子蜗杆之间的接触线上诱导法曲率以及接触线与相对速度之间夹角计算公式。

By the solution of the model, a calculating formula of the local dihedral angel of intersecting line and a parametric equation of contacting line are given.

通过对此数学模型的求解，导出了相交双管相贯线上各点局部二面角的计算公式，给出了相交双管装配接触线的参数方程，并解释了其数学本质。

Study on contacting line of two intersecting pipes in welding assembly

相交双管的焊接装配接触线

The analyzing method of the contact problems and engineering application is researched basing on Hertz contacting theory and finite element method.

本文主要以赫兹接触理论和有限元法为理论基础，对接触问题的分析方法和工程应用进行了分析和研究。

Meanwhile a new way to determine the contacting parameters for discrete element analysis is presented.

同时，对离散元方法的应用，特别是参数选取进行了有益的探讨。

This apparatus can cause shaft spin in the air without contacting any external element.

该装置能使转轴不接触任何外界元件在空中旋转。

Second, by researching of the algorithm about contact and collision as well as various contact types based upon Contacting Finite Element Method ( CFEM), a foundation was laid for selecting the contact type in analyzing contact stress of double circular arc spiral bevel gearing;

其次，描述了应用有限单元法进行实体接触与碰撞问题算法的公式，研究了有限元分析中的各种接触类型以及双圆弧弧齿锥齿轮接触应力分析中所选择接触类型的依据。

The research on contacting finite element model for downhole packer

井下封隔器接触有限元模型研究

In the calculation, the DP model is chosen to consider the non-linearity of rock and the status non-linearity of rock-structure interface adopts the surface-surface contacting element.

计算中岩体采用DP模型，利用面面接触单元考虑岩体与结构交界面的状态非线性。

Using the Non-linear analysis technology of ANSYS software, the three-dimension finite element model of radial tyre is built with three-dimension volume element, layer element and contacting element.

采用ANSYS软件非线性分析技术，通过三维体单元、层单元和接触单元，建立了60系列的R15型子午线轮胎的三维有限元模型。

If usurer break a contact, the bank has authority to control a house.

假如贷款人违约，银行有权收走房屋。