速比

The speed ratio is the ratio of the shaft transmission to the first digit wheel transmission.

注：速比配置数是出轴与头位字轮传动比。

Theoretical and experiment researches of transmission mechanism and control strategy of the CVT have been carried out under the project (59835160) financed by National Natural Science Foundation which includes follow content:1The kinematic relation of the metal pushing V-belt type transmission is analyzed. The relation among oil pressure of pulley cylinder, transmission ratio and input torque under load condition is studied. Optimal design method for metal pushing V-belt type continuously variable transmission is put forward.2Based on the engine experiment, torque and oil consumption model of engine are established by method of spline interpolation. The optimum economy and performance curves are put forward.

本文在国家自然科学基金重点项目（资助号：59835160）资助下，对金属带式无级变速传动系统的传动机理、匹配及控制策略等进行了系统深入的理论分析和实验研究，具体研究内容如下：1）系统地分析了金属带无级变速传动的基本运动规律，研究了在负载状态下，带轮油缸压力与速比和输入转矩的关系，提出了对金属带式无级变速传动系统进行优化设计的方法。2）通过发动机台架试验，利用样条插值方法构造了发动机转矩和发动机油耗模型，确定了发动机最佳经济性与最佳动力性工作线。

Through this method,the integral gain varies with the average phase shift between tip speed ratio and power coefficient.

针对传统最大功率点追踪极值搜索法固定积分增益存在的不足，依据不同积分系数对系统的影响，提出了一种MPPT变增益极值搜索法，使积分增益随叶尖速比和功率系数之间平均相位移的变化而变化。

The semi-rigid wake model and the present calculation method were used to study two wind turbines in the wind tunnel, it was concluded that the results were closer to experiment data than that from the element/momentum theory, and aerodynamic performance of HAWT can be analyzed precisely, in particular, in the range of high tip speed ratio.

对两个风洞中实验的风力机模型进行了计算，结果表明，利用所给出的模型和计算方法比叶素/动量理论更加接近实验数据，并且在较大尖速比范围内可精确地分析水平轴风力机的空气动力特性。

Then basing the selective thread bar, we can select the speed reducer whose model is XB1-50 . Basing the selective harmonies waves speed reducer ,we can confirm the servo electromotor whose type is 110SZ07 . Then we can design the spindles of every component ,which conclude the spindle of between the speed reducer and electromotor axis, which is a round bond sleeve spindle and the spindle between the speed reducer and the thread bar, which is flat bond sleeve spindle , the bearing , the track whose type is roll track HJG-D25, and the collective structure of the plate.

根据给定的工作台的切削力、传动精度、行程等确定丝杠为滚珠丝杠副FC1-2004-2.5，由丝杠的尺寸及转矩，选择减速器为XB1-50型的谐波减速器，本根据谐波减速器的输入力矩尺寸及减速比，选择伺服电机为直流伺服电机110SZ07，其转速为10000rpm，然后设计元器件间的联轴器，包括减速器与电机轴间的半圆键套筒联轴器、减速器与丝杠间的平键套筒联轴器，设计轴承，导轨为HJG-D25的滚动导轨，及工作台的总体结构。

To the problem of the head down bending of plate, the influence laws of process parameters, such as the thickness of piece, rolling temperature, ratio of upper and lower roll rotate speed and reduction, on the head -bending direction and degree are found out by test and artificial neural network analysis.

针对中厚板轧制中头部弯曲问题，通过试验模拟及人工神经网络分析，找出了轧件厚度、轧制温度、上下辊速比、变形率等生产因素与钢板头部弯曲方向和弯曲程度的关系，从而可有效地控制钢板头部弯曲。

Experiments show that the algorithm has right result,good performance,high efficiency and approximately linear speed-up ratio.

实验表明，该算法结果正确，性能较好，效率较高，具有近似于线性的加速比。

In parallel computing process, the two images with different sizes have gotten different times and different speed-up ratio.

在并行计算中，对大小不同的图像分别进行了并行计算，得出对应的处理时间以及所获得的加速比。

A fast method for fractal image coding combining several speed-up techniques is proposed.

一1」取得22倍的加速比。这些情况下的解码质量均好于全局搜索所对应的结果。4。

If the axial flow pump are used for diesel or gasoline engine power, and can change the size of variable-speed throttle; if the axial flow pump with the power machine is linked to the use of triangular belt or flat belt drives the overhead, you can change to variable speed drive pulley diameter, the replacement of driving wheel or the driven wheel can be, the purpose is to change the transmission ratio.

如果轴流泵是采用柴油机或汽油机作动力的，可改变油门大小来变速；如果轴流泵与动力机相联是采用三角皮带或平皮带间接传动装置的，则可以改变传动皮带轮直径来变速，更换主动轮或从动轮都可以，目的是改变传动速比。

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。