上模

The construction process, the entire platform by supporting a group of young in solid concrete and the stiffness of the supporting poles smaller, thus ensuring safety of slipform construction slip-form construction process is an important issue.

施工过程中，整个操作平台支承于一群靠低龄期混凝土稳固且刚度较小的支承杆上，因而确保滑模施工安全是滑模施工工艺的一个重要问题。

Not in the concrete before pouring, as the sliding mode in a simply-supported platform, and the structure stiffness is weak, therefore, to open slide before the platform is strictly prohibited Slipform steel piling up.

在混凝土没有浇筑前，由于滑模平台处于简支状态，结构刚度较弱，因此，开滑之前，滑模平台上严禁堆放钢筋。

For the first time, SPAMP technique applied on the locomotive and passenger vehicles is proposed by using both the theoretical modal parameter analysis and the operational modal parameter identification techniques.

本文在铁路客车实测试验的基础上，采用试验测试和样机分析相结合的方法综合研究铁路客车动力学问题，提出适合铁路客车动态特性研究的环境激励下的模态参数辨识方法，建立铁路客车运行特性和运行模态参数的关系，探索这些理论和方法在铁路客车的正确应用。

In chapter 6, the new concept of thermal modal feedback is presented. The mechanism that secondary actuator cause precision machine to reduce thermal balance time is studied and the problem of thermal control system design is solved. The algorithm of thermal modal feedback control to move the thermal balance time is developed.

第六章提出热模态反馈新概念，研究温控策略中低温升控制和高温升控制使精密机械尽早进入并保持热平衡状态的内在机理，从理论上解决人工辅助冷热源法控制系统的设计问题，并对采用热模态反馈控制移动热平衡时间的算法进行了研究。

By simplifying the mechanical model,constitutive relation defined in principal direction based on elasticity theory with different moduli was rebuilt in common ordinates,and tension-compression area was divided.

通过合理简化模型，将不同模量弹性理论中定义在主坐标系下的本构关系重新建立在普通坐标系下，进行拉压分区，从而推导了考虑自重且顶部有水平推力的不同模量弯压柱近似弹性力学解答，并由横截面上正应力为零判定了中性层的形状和位置。

Parts taper machining error analysis and compensation for wire cut machine tools;2. Process points analysis for die and mould in wire cut machining;3. Using MasterCAM and UG as the tools, the second method is carried through 3D modeling, 4 Axis NC programming and NC 2nd wire cut of worm wheel involute gear.

针对常规数控加工方法加工精密小模数蜗轮模具型腔，加工精确度低，齿形变形大，传动准确度低的问题，探讨了用Mastercam、UG软件进行蜗轮三维造型、四轴数控编程、数控线切割加工蜗轮模具型腔的工艺方法，给出了解决精密小模数齿轮模具加工新工艺，在工程上具有推广价值。

The following work has been done in the dissertation: LFM technique with quasi-single longitudinal laser diode is proposed, and the submodes effect in the laser diode on the displacement measuring range and accuracy is analyzed in detail.

在理论分析的基础上进行了大量实验。理论分析和实验结果表明，对于准单纵模半导体激光器线性调频干涉仪，半导体激光器的光频漂移，位相噪声以及边模效应对精度起主要作用。

Firstly, based on the sliding mode control and backstepping technique, a new attitude tracking controller is derived to control the attitude motion of spacecraft, the stability of the system is analyzed via Lyapunov method and the reaction wheel dynamics is also considered from the real applications point of view. The whole design process is divided into two steps: the first step is to use sliding control technique to design suppositional adaptive variable structure controller; and the second step is to design attitude tracking controller based on SMC and backstepping technique. Numerical simulations are performed to show that both tracking maneuver and vibration suppression can be accomplished effectively.

首先，采用自适应后步法结合主动振动控制技术设计了姿态跟踪鲁棒控制器，基于Lyapunov方法分析了系统的渐近稳定性；在此基础上，显性地考虑了执行机构动态特性问题，将整个设计过程分为两个步骤：第一步采用滑模控制技术设计了变结构虚拟控制器，给出自适应控制律的设计方法；第二步，将后步法与滑模控制技术相结合，设计了姿态跟踪鲁棒控制器，给出飞轮电压的输入算法及稳定性分析；最后，将提出的控制方法应用于挠性航天器的姿态跟踪控制，通过数值仿真对所提方法的可行性与有效性进行分析和验证。

Finally, on the base of discussing the value of module resilience, the pavement deflection of road surface caused by the the changing module of resilience is analyzed, by means of the two-circle load multilayer elastic system.

最后，在探讨路基回弹模量取值的基础上，利用双圆荷载弹性层状体系理论，计算路基模量变化对路面结构表面弯沉的影响。

For a class of Shunt-wound Active Power Line Conditioner, based on analysis of mathematical model of system and target of control, the algorithm of fuzzy variable structure sliding mode control is presented. The control algorithm can avoid complicated calculation of harmonic electric current in traditional control algorithm, and realize the feedback control of electric current. The algorithm is simple and easily implemented.

针对一类并联型有源电网调节器在分析系统数学模型和控制目标的基础上，提出了模糊滑模控制策略，避免了传统控制方法中复杂的谐波电流计算，实现对电源电流的闭环控制，该算法简单、易于实现，仿真结果证实了变结构滑模控制的有效性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。