转台

It is used to reproduce the angular motion and attitude of flight vehicles.

三轴仿真转台系统是飞行器半实物仿真系统最重要的组成部分之一，它的性能的优劣直接关系到仿真实验结果的可靠性，因此对仿真转台系统的研究对航空、航天工业和国防建设的发展具有重要的意义。

In static design of the control system, the influences of three-axle unintersect, unverticality and disturbance moment to the simulator's position accuracy is analyzed, and the error analytic formula is suggested. The influence of system static and dynamical friction moment, distinguishability of D/A convertor to the low-speed characteristic of the simulator is also analyzed.

在控制系统的静态设计过程中，分析了三轴转台的三轴不相交度、三轴不垂直度和干扰力矩等对转台位置精度的影响，并求出了误差的解析表达式，分析了系统的静、动摩擦力矩、D／A转换器的分辨率等对转台低速特性的影响。

Results show that the laminar flow length decreases with the increasing of rotating speed of mold.

计算结果表明：离心力场下充型时，熔体可保持的层流长度随转台转速的提高而减小；转台转速足够高时，最大倾角随转台转速的提高而增大。

The static analysis results show that the intensity and rigid requirements of tracking turntable frame were satisfied. The mode analysis indicated that the precision opto-electronic tracking turntable frame had good dynamic characteristics, and syntony did not occur.

静力分析结果表明，该转台框架满足强度和刚度的要求，能保证转台的精度；同时，其模态分析表明，该转台具有很好的动态特性，不会发生共振。

In order to guarantee canned and the seal movement with has the idle time movement the turnplate operating time operating time to be suitable, while has designed especially six V-belt pulleys which connects with the turnplate, has designed six V-belt pulleys, in order to driving plate after is separated from under the turnplate six to discuss, enters another six theory, drives on the turnplate the axis rotation, completes carries on canned and the seal to the idle time on the turnplate beverage bottle, after, when the turnplate revolves once more, canned and the seal work stops, will enter the idle time condition again until the next time turnplate.

为保证罐装和封口的运动与具有停歇运动的转台工作时间适当，特在设计了一个与转台连接的六槽轮的同时，多设计了一个六槽轮，以便主动拨盘在脱离转台下的六槽论后，进入另一个六槽论，带动转台上的轴转动，完成对停歇在转台上的酒瓶进行罐装和封口，完后，当转台再次运转时，罐装和封口工作停止，直到下次转台再进入停歇状态。

In turn, the lower frequency and modes of the ladle turret are obtained base on the FE analysis of dynamic characteristics of the structure and the impact coefficients of the ladle turret are given out according to the dynamic process simulation of receiving pot.

通过动力特性分析，得到了回转台的低阶固有频率和模态。通过对钢水罐回转台受包过程动态仿真分析，得到了回转台的受包冲击系数。计算分析结果为该回转台的设计、改进和最终方案的确定提供了直接的技术指导。

Then applying Human Simulated Intelligent Control algorithm to the turntable control system has been designed to resolve the problems, which the load of the pitch channel is asymmetric and the rail's friction is uneven. The method has been verified in the real control system, and meets the requirements of the precision of turntable position. In finally, the algorithm has been simulated and tested correctly in matlab.

然后针对精密达位电动转台的俯仰通道负载不对称，导轨摩擦力不均匀等特点设计了适用于此系统的仿人控制算法，并在精密达位电动转台的实际控制系统中的得到了验证，使转台满足了精密达位的要求，最后结合matlab仿真检验了此算法的正确性。

This paper focuses on the performance improvement, it develops the controller of three axises and adjusts the control parameters in frequency-domain.

本论文针对转台的品质整定，基于频域法设计与实现了转台三轴的控制器，在频率域内整定了转台的动静态品质，并对整定过程中的问题和现象作了详细的分析和研究，提出了转台品质整定的关键点和注意点。

Model SKT51 series NC hydraulic equal indexing rotary table is specially designed for high precision NC boring, drilling and milling machines as well as high precision special machine and pipeline working. The table is driven by hydraulic oil through gear and piston-rack mechanism, positioned by a three-part Hirth coupling.

SKT51系列等分转台是为专用机床而设计生产的一种液压机械式分度装置，它通过液压油缸实现转台的松开、刹紧以及转位，使转台在主机控制系统的控制下，完成固定角度回转，进而完成主机对零部件的加工。

In this paper,based on study of Fuzzy control algorithm and PID algorithm,and for the advantages and disadvantages of this tow algorithm,putting forward the Fuzzy-PID compound control for swivel table control system.

基于对模糊控制算法和PID控制算法的研究，和鉴于两种算法的优缺点，提出了模糊-PID复合控制算法用于转台控制系统中，这种控制算法将大大提高转台抗外部干扰和内部参数变化的鲁棒性能，改善了转台的动、静态特性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。