并联

On plane carrier, the left hand MTL realizes series capacity and shunt inductance directly with features of compact structure, easy of manufacture, small size, low loss, and capability of applicable to microstrip IC. The MTL possesses symmetric structure, multiple adjustable parameters so as to suit requirements by different performances and different applications easily.

本发明的左手传输线在平面载体上直接实现了串联电容和并联电感，结构紧凑，易于加工，体积小，损耗低，能够直接应用于微带集成电路；且具有对称结构，可调参数多，可以容易地实现工作频带的调节以适合不同性能要求，实现不同应用。

That is to place aparallel reactor carrying on the energy feed back outside the main circuit of the frequency converter.

为了实现变频控制系统在抽油机节能中的应用，设计实现了一种新的方法来解决目前抽油机变频器应用中存在的能量回馈问题，即在变频器主电路之外并联一个电抗器进行能量回馈。

By using the Lagrangian approach, the explicit dynamic model in the Cartesian space and joint space is created. The model has taken full account of the influences of the length variation of the driving links and the orientation of the translational mechanism.

其次，本文应用拉格朗日方法首次系统地建立了该并联机器人在操作空间和关节空间的显式动力学模型，该模型充分考虑驱动杆长度变化和平动机构位姿变化对操作力的影响。

In this paper,math model is studied based on physics theory of PV cell ,and the influence of series resistor Rs and parallel resistor Rsh on PV cell characteristic is analyzed.

针对光伏电池研究了基于物理机制的数学模型，分析了串联电阻和并联电阻对光伏电池特性的影响。

The calculated results of the discrete model accord with the experimental data well. Compared with a simple continual model, the discrete model is true of the characteristic of the flow in manifold systems, and it also shows the availability of the way to use BP neural networks to measure the key coefficient of the discrete model.

通过离散模型计算得出的结果与实验数据符合良好，说明与简化的连续模型相比，离散模型是一种更为符合并联管组流动特性的理论模型，同时也表明了用BP算法来确定离散模型关键系数的有效性。

ABSTRACT : A new kind of vacuum generator circuit breaker is introduced.

提出了1种采用新型并联断口的真空发电机断路器。

Later, it makes some comparison with four kinds of modulation technique, and finally, it implements the three-level PWM switching power amplifier with the PWM technique. The power of the amplifier is 2kVA, and the frequency bandwidth is 10～3kHz. In the thesis, the author designs and makes the hardwares of the switching power amplifier. The hardwares contain power inverter rank circuit, control system circuit based on DSP, drive and isolation circuit, and protective circuit. The thesis also analyses the potential safety problems and put forward some solutions for the problems. Furthermore, the thesis accomplishes the software design of the control system, and successfully debugs it. The methods of designing higher power ampilfier are also discussed in the thesis. It analyses the feasibility of the methods, outlines the way of how to design higher power switching power amplifier, and does some experiments with the method of switches-parallelling.

根据电动振动试验系统对开关功放的要求，提出了以电感电流瞬时值控制技术为基础的三电平脉宽调制开关功放的设计方案，并通过系统仿真进行了原理性论证；然后设计并制作了开关功放的硬件，包括功率转换电路，基于DSP的控制电路，驱动、隔离电路以及保护电路；针对开关功放数学模型不易得出的特点，细致分析了模糊自适应PID控制方法，在此基础上编写了控制程序；研制出一台功率为2kVA，通频带为10～3kHz的三电平脉宽调制开关功放；论文中还探讨了实现大功率开关功放的方法，分析了各种方法的可行性，给出了实现大功率开关功放的思路，并进行了并联开关管实现大功率开关功放的实验。

The parameter identification of viscosity coefficient for SiO_2 matrix composites;2. A method of obtaining the viscosity coefficient of material is based on the model of parallel arrangement of plastic component and viscous component.

以塑性元件和粘性元件并联的模型为基础，研究材料粘性系数的获取方法，给出了一些材料的粘性系数和影响因素之间的关系曲线，为模拟研究中粘性系数的获取提供一种方便有效的方法。

For the design of the power circuit frame, the in-series resistance plan is applied in commutate circuit to restrain the voltage pulse caused by rising arc; while the parallel connection switch is adopted in inverted circuit to guarantee the reliability of the power at work.

在主电路拓扑设计中，整流电路采用了串联降压电阻的方法来抑制起弧时的电压脉冲；逆变电路采用了双并联开关组方案，以进一步提高电源工作的可靠性。

Parallel kinematic machines;Delta-S manipulator;kineto-static analysis;deformation compatibility condition;pre-tightening force

并联机构；Delta-S机械手；动态静力学分析；变形协调条件；预紧力

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。