噪声控制

The structure of the system and the design of the all-weather control were introduced.

该文介绍了噪声在线自动监测系统结构，及系统全天候控制的设计。

In order to meet the ride comfort of the heavy truck cab when on line-haul, the H2 control algorithm based on the linear matrix inequalities is presented for the active control of a 6 degree-of-freedom half-heavy-truck suspension system model. The road disturbance is integral white-noise stochastic signal.

为了满足长途运输时重型卡车行驶的平顺性要求，利用基于线性矩阵不等式的H2控制算法对驾驶室安装了主动悬置的六自由度1/2重型卡车模型进行振动控制，所采用的路面激励为积分白噪声随机路面激励。

This device utilizes DC servo motor and fine precision feedback variable resistor and closed loop control so it has the advantage of fine static control and low mechanical noise.

本装置利用DC伺服电机配以高精度反馈电位器及闭环控制电路，具有较高的定位精度，较小的机械噪声，全部拍片过程通过微机自动控制，操作简捷，使用方

This dissertation introduces the history, key technology, current status of nation and internation ,and the importance of MiroSot ; describes function theory and constitutes of MiroSot resumptively firstly ; then introduces machine structure in detail including the characters and choice of electromotor and the design and facture of hull; stresses on control circuit of soccer robot including the choice of control circuit and DSPs, basic circuit of soccer robot and control algorithmic of soccer robot.a new design based on DSPs is made; lucubrate radio communication subsystem including the origin of yawp and controlled method in radio communication finally, and a emitter is made, and hard base has gained to upbuild experiment bed of MAS.

本论文首先简要地介绍了机器人足球比赛的发展历程、所涉及的关键技术和研究意义，概括地描述了MiroSot系统的构成；然后系统地研究了足球机器人机械结构的设计、电动机的选择、壳体的设计等，重点研究了MiroSot足球机器人的控制电路，包括DSPs芯片的选择、足球机器人硬件电路的设计和控制算法的编写，在此基础上研制了基于DSPs的足球机器人；最后深入研究了无线通讯子系统，包括无线通讯干扰噪声的来源及其抑制方法，无线发射器软、硬件的设计和制作，为全面建立多智能体系统实验平台奠定了基础。

The good design of this device is very important to accomplish flow control and stability of the aircraft construct. The contour of scarfed reversal nozzle has many discontinuous points and a step at supersonic zone. So it can generate a series of expand waves and shock waves, and accomplished with flows separation and reattach.

斜切反喷管作为导弹常用的推力终止装置，能够可靠地完成发动机与有效载荷的分离，它的设计水平对提高导弹命中精度和武器装备的作战性能尤为重要；超声速开式空腔作为流动控制装置，具有减小阻力、增加燃烧混合、延缓边界层分离等作用，但同时也会带来严重的压力波动和噪声，其合理的设计对流动控制的实现以及飞行器结构的稳定性至关重要。

The Dead Zone Model Reference Adaptive Control is presented, which can effectively reduce the influence of unmodeled dynamics and noise.

在设计模型参考自适应控制时，为保证工程实用性，考虑了未建模动态和噪声对系统的影响，为此，提出了改良的死区自适应控制律，增强了系统的鲁棒性。

By presupposing the system uncertainties satisfying certain matching conditions, a sliding-mode switching manifold and a SMC law are proposed, which are invariable to the structural uncertainties and possess the parameters without stochastic noise. Then, the accessibility of the sliding mode and the stability of the closed-loop system are analyzed, and some necessary conditions are further obtained to select the parameters for the SMC law.

在系统的不确定性满足一定匹配条件的情况下，构造了对不确定性具有不变性以及参数不含噪声激励的滑模切换流形和变结构滑模控制律，分析和证明了滑模的可达性和闭环系统的稳定性，并给出了滑模控制律的参数选择条件。

Additionally, this paper discusses the performance of UPFC intelligent control system based on HSIC under the disturbance on the information from the generator control unit.

此外，论文对于来自发电机控制单元的远端信息可能存在的干扰，如延时和白噪声干扰，讨论了基于HSIC的UPFC智能控制系统在干扰下的工作性能。

Model YTR150 rotary pile drill is another high performance rotary pile drill developed on the basis of model YTR230, featuring high torque, high maneuverability, low noise, low pollution, high operation efficiency and easy maintenance. The major specifications have reached those of foreign similar products. Model YTR150 rotary pile drill adopts hydraulic retractable crawler chassis made by Caterpillar. Its mast is lifted and lowered in full range with verticality automatically adjusted. Operating status parameters displayed by touch screen and monitor. Hydraulic pilot control is used for overall machine operations and load sensing hydraulic system and programmable logic controller are adopted to implement automation for easy and agile operation.

YTR150型旋挖钻机是在YTR230的基础上开发出来的又一种高性价比的旋挖钻机，具有大转矩、机动灵活、低污染、低噪声、施工效率高及维护方便等特点，主要性能参数达到国际同类产品水平YTR150型旋挖钻机采用了卡特彼勒生产的液压可伸缩式履带底盘，桅杆全程自动起落，自动调整桅杆垂直度，触摸屏和监控器可以直接显示工作状态的参数，整机操纵上采用液压先导控制，采用负荷传感液压系统和可编程控制实现自动化，使用方便灵活。

YG832 Electronic Multifunctional Stretcher,adopting AC servo system and exactitude screw arbor drive,has many characteristicses,such as reasonable structure,simple operation,low noise and smooth run etc,adopting SCM control,displayed by LCD,intellective interface,deposit the data into the database if connected with the computer.

YG832多功能拉伸仪，采用交流伺服驱动，滚珠丝杆传动，具有结构合理，操作简单，噪声低，运行平稳等特点，电器控制采用单片机控制，液晶中文显示，人机对话界面，与电脑连接可建立数据库。

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。