并联

The relationship of the natural frequency and design parameters of the parallel mechanism were studied.

分析了柔性并联机构系统的固有频率与设计参数的关系。

In this paper the transfer function of noulinear control system is defined over a noncommutative polynomial ring, which can be extended into its quotient ring by Ore Theorem.

本文定义了非线控制系统的传递函数，这种传递函数定义在由一个非交换多项式环扩张而成的商环上用传递函数描述了非线性控制系统的三种基本联接：串联、并联与反馈。

The sufficient and necessary conditions of the nondegeneracy and struc- tural asymptotical stability for complex systems (parallel systems, series sys- tems and closed systems) are proved.

在这基础上，给出了系统在串联、并联及反馈时构成的复杂系统的非变阶条件和结构渐近稳定的充分必要条件。

It is similar with normal induction motor with high efficiency and power factor while operation with the adoption of parallel star-shape connection and nonparticipation of appended interspaced resistor. During starting stage the adoption of unique serial triangle connection with the participation of appended interspaced resistor improves the starting performance with the character of low start current and high start torque.

它正常运行时，采用并联星形连接，使得中间附加电阻不参与运行，其运行性能类似于普通感应电动机，具有较高的效率和功率因数；而在起动时，采用独特的串联三角形连接，使得中间附加电阻参与运行，相当于转子电阻增加，从而有着起动电流小、起动转矩高的优良的起动性能。

The efficiency of the devices which are used to generate, transmit, and consume the electricity are reduced and the normal operation of variety of power devices are influenced by the harmonic wave which will cause to part parallel and serial resonance.

谐波降低了发电、输电及用电设备的效率，影响各种电力设备的正常动作，引起公用电网中的局部并联谐振和串联谐振。

The parallel kinematic machine is a novel class of manufacturing equipment which rises in recent years. It can achieve multi axis linkage numerical control machining, assembling and measuring, and so on.

并联机床(PKM，Parallel Kinematic Machine)是世界上近年来逐渐兴起的一种新型制造装备，可实现多坐标联动数控加工、装配和测量等功能，更能满足复。。。

Based on it, the Monte Carlo simulation is implemented for the octahedron parallel machine tool, and then the statistical frequency histogram is given.

在此基础上，对八面体并联机床的位姿误差进行了Monte Carlo模拟，给出了统计频数直方图。

Through simulation and experiment, this paper studied the open-circuit fault diagnosis of the power switches in the inverter paralleling system.

该文通过仿真和实验，对无输出隔离变压器的逆变器并联系统功率管开路故障诊断进行了研究。

This thesis sketchs out characteristics of parallel oscillatory circuit and tune means of KGPS applied in Induction quenching.

简述并联振荡电路特点以及感应加热淬火用 SCR 晶闸管中频电源调谐方法等。

The feasibility of this output current controller architecture is verified completely by theoretic analysis and experimental results in detail.

实验结果和理论分析充分证明了所提并联结构电流控制器的可行性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐