To winding engine systems like elevators, only after complete study of dynamics of mechanic-electric system including driving motors is done and advanced control technique is introduced, design of the winding system of minimum vibration can be done.
对于电梯类提升系统来说，只有对包含拖动电机在内的机电系统的动力学问题进行系统的研究，并结合引进现代先进的控制技术，才有可能使设计出的提升系统中的提升容器、提升钢丝绳以及提升机本身的振动达到最小。
Because of the nonuniqueness in the positional solution, it`s not easy to test the performance of the coordinated control system. So the model of NN was built to convert the vector of the length of 6 jars into the vector of the position of the motion deck. It`s fast and accurate for the lengthwise direction. The state space system model of the six degree freedom motion simulator was built by the equations of electrodraulic servo mechanism and the multi-body dynamics equation of the six degree freedom motion simulator, the vector of the length of 6 jars was the control variable.
本文结合六自由度运动模拟器的多体动力学方程和电液伺服驱动机构的特性，经简化得出了具有实际意义的六自由度运动模拟器整体系统的状态空间方程式，通过分析该系统的稳定条件和能控性，采用状态反馈对系统的状态方程式进行合理配置，从而建立了以运动模拟器杆长向量为控制变量的运动模拟器整体控制系统，并将该控制系统输出的杆长向量转换为位置向量。
Virtual prototype technology. theory of multi-body system dynamics. control stable performance. ride comfort. ADAMS.
虚拟样机技术，多刚体系统动力学，操纵稳定性，行驶平顺性，ADAMS
Four wheel steering; fuzzy control; multi-body system dynamics; co-simulation
四轮转向；模糊控制；多体系统动力学；协同仿真
Flexible manipulator has been the most direct application for flexible multi-body system dynamics analysis and control theory. Because of it had simple physical model and easy to computer models and physical tests to achieve the characteristics, it has become a key subject of the development of the next generation robot, and aviation and aerospace technology.
柔性机械臂作为柔性多体系统动力学分析与控制理论研究最直接的应用对象，由于其具有简明的物理模型以及易于计算机和实物模型试验实现的特点，已成为发展新一代机器人和航空航天技术的关键性课题。
On the basis of the dynamics model, the linear system around the equilibrium point in stance phase of the robot is deduced and the robot in stance phase is linearly controllable which provides theoretical evidence for the robot's stablization control.
以动力学模型为基础，推导出了机器人在支撑相平衡点的线性化系统，证明了机器人在支撑相是线性地可控的，为机器人的稳定控制提供了理论依据。
The Center for Biodynamics is primarily dedicated to education and research in dynamical systems, biology and engineering including nonlinear dynamics in single neurons, noise in the nervous system, controlling cell cycle dynamics, frequency control of an oscillatory reaction, gene dynamics, pattern formation in bacterial colonies, patterns in economics and social behavior, fluid mechanics, applied biodynamics, etc.
生物动力学研究中心主要致力于动力系统、生物学和工程学的教学和研究，其研究领域包括非线性动力学，神经系统的干扰，细胞周期动力学的控制，振荡反应的频率控制，基因动力学，细菌株模式的形成，经济学和社会行为模式，流体力学，应用生物动力学等。
At the same time, the effect of structure dynamics characteristic to the servo control system of optical-electronic theodolite is analyzed.
同时，分析了光电经纬仪的结构动态特性对伺服控制系统的影响。
The dynamics model of missile sealifts system for navy ships connected parallely is established. The dynamics simulation analysis of system is studied. The dynamics characteristic of missile box on the condition of different sea states and place parameters of crane are analyzed. The theory and technology bases for the design of system of missile sealifts or navy ships connected parallely are presented. The controlled multibody system dynamics of the system of missile sealifts with wave compensation for navy ships connected parallely is presented. On the condition of stochastic momevement of depot ship and incept ship and under the action of sealifts and wave compensation, the dynamics of sealifts system is studied by using discrete time transfer matrix method of multibody system. The calculate method of electric machine impule is developed in the process of supplying missile and action of wave compensate. Based on the PLC control system, the control method, which control supply process by testing torque of guide strings is presented.
本文建立了舰艇并靠导弹补给动力学模，进行了舰艇并靠导弹补给及波浪补偿系统动力学仿真分析，获得了导弹箱在不同海况下和舰用起重机不同位置参数的运动规律，为舰艇并靠导弹补给系统设计提供了理论依据和技术基础；建立了舰艇并靠导弹补给及波浪补偿受控系统多体动力学，在补给舰和被补给舰随机运动下，在补给和波浪补偿系统作用下，应用多体系统离散时间传递矩阵法进行了补给系统动力学分析，得到了导弹补给过程中，波浪补偿时，导引电机和卷扬电机输入电机脉冲计算方法；建立了以PLC 控制系统为核心，用扭矩传感器测量导引带产生的扭矩来控制补给过程的控制方法；对系统振动问题进行了研究，提出了通过调整伺服电机参数减少系统振动的方法。
The Lexus GS 450h is equipped with the brand's highest level of dynamic handling technology: the Vehicle Dynamics Integrated Management system that goes beyond the capability of other stability and traction-control systems.
在雷克萨斯GS450h配备了品牌的最高技术水平的动态处理：在车辆动态整合管理系统，超越了其他稳定和牵引能力去控制系统。
Potassium dynamics in the root-zone and the non root-zone in yellow cinnamon soil with a rapeseed-rice rotation system was studied through a rhizobox device to provide evidence for research on soil K supplying mechanism and reasonable control of rhizosphere nutrition.
采用分室根箱试验，研究了油菜–水稻轮作条件下黄褐土根区与非根区土壤钾素动态变化特征，以期为土壤供钾机制研究及合理的根际养分调控提供依据。
Total area of the reservoir area is 160, 000 square meters, the existing 25 workers, with a fixed storage capacity 100, 000 tons, brick warehouses Park 34 (of which 20 billion jin in 2001 the expansion of state investment 15 meters in diameter brick silo 8), three half-house, 5 WAREHOUSE; have an office building 650 square meters; 100 square meters dedicated laboratory, testing equipment complete, with professionals; weighing room 20 square meters, has 80 tons of electronic ground value 1 Taiwan; equipment database 673 square meters; machine repair shop 30 square meters; Variable Distribution Room 100 square meters; various types of transmission, such as cleaning machinery and equipment advanced, complete; diesel generator 1; 90 meters deep wells 1, fire fountain 300 cubic meters, a fire pump room, fire control network around the reservoir area; cement terrace 45, 000 square meters, have the computer automatically Grain Detection System 1 set; whole library computer network and realize the full broadband connection, through the computer network to keep abreast of market dynamics; Treasury region flat, wide space, water, electricity and communication facilities in good condition; cunene, high-power lines have all been to realize embedding, air-free high-tension line.
现库区总占地面积16万平方米，现有在职职工25人，拥有固定仓容10万吨，砖园仓34座（其中2001年200亿斤国家投资扩建的15米直径砖圆仓8对），3栋罩棚，5栋房式仓；有650平方米办公楼1栋；专用化验室100平方米，检验仪器齐全，配备专业人员；检斤室20平方米，有80吨电子地上衡1台；器材库673平方米；机修车间30平方米；变配电室100平方米；各类输送、清选等机械设备先进、齐全；柴油发电机组1台； 90米深水井1眼，消防水池300立方米，消防泵房一座，消防管网遍布库区；水泥晒台45000平方米，有粮情计算机自动检测系统1套；全库微机实现联网并且全部宽带连接，通过计算机网络及时了解市场动态；库区内地势平坦，场地宽阔，水电通迅设施齐备，状况良好；库内高供电线路已全部实现地埋线，空中无高压线。
The simulation results indicate that this method is helpful in confirmation and improvement of cruise missile dynamics model and control system.
仿真结果表明：采用此方案能够在虚拟环境中比较真实地模拟巡航导弹的运动，对导弹的动力学模型和控制系统的验证和改进有一定的参考价值。
They mainly include the dynamics with changing topology, analysis of dynamic stability, the running gait planning, the simulation algorithm of whole running procedure and the control method of the humanoid running robot. The detailed description is as follows:1, Aiming at the characteristic of the running, the coordinate system of the robot is built. By using the homogeneous transformation matrix based on Denavit-Hartenberg notation, a kinematic model with three dimensions is presented. The direct kinematics is analized from the reference coordinate system to each part of the robot based on the transformation matrix.
因此，本文主要研究仿人跑步机器人在快速跑步时产生的新问题，从理论上进行分析，主要有变拓扑结构动力学、动态稳定性分析、跑步步态规划、跑步过程仿真算法及机器人跑步运动的控制等内容，具体如下：一、针对机器人跑步的特点，建立了统一的坐标系统，提出了基于D-H参数齐次转换矩阵的三维运动学模型。
To study the design of the fourth-generation fighters and their air combat dynamics, a simulation system based on PCs is discussed in this paper, which has a simulated cockpit with a real control stick and pedal, a graphic instrument panel, and a visual pilot vision. The simulation system software utilized the Objected-Oriented programming for Windows and the OpenGL 3D techniques.
针对第四代战斗机设计及其空战动力学机理性研究的需要，本文建立了基于通用个人计算机的第四代战斗机空战仿真系统，该系统具有驾驶员模拟座舱，真实的驾驶杆等硬件设施，软件采用了Windows编程技术和OpenGL三维图像技术，系统功能主要依靠计算机仿真实现。
The wind driven extraction three dimensional blow molding device comprises ballas machine head, inside compression control system, three dimensional blow mold, up and bottom inserts, with the said ballas machine head connecting with the compression control system, three dimensional blow mold connecting with up and bottom inserts, wind ring components, wind dynamics generation and control device, with the wind ring components connected with up inserts, wind dynamics generation and control device connecting with the wind ring components.
本发明提供一种风动力牵引三维吹塑设备，包括型坯机头、型坯内部压力控制系统、三维吹塑模具和上、下嵌块，所述型坯机头与型坯内部压力控制系统连接，所述三维吹塑模具与上下嵌块连接；还包括风环组件和风动力产生与控制装置，风环组件与上嵌块连接，风动力产生与控制装置与风环组件连接。
In chapter 1, the following items are overviewed firstly. Researches of fluid line dynamics; structure and control method of load sensing multiple unit valve; composition and principle of load sensing system and distribution of pipes in it; present state of study on pipe effects in electro-hydraulic system; development of technique of fluid power system simulation and how pipes are treated in simulation.
第一章绪论中，首先对以下几方面的内容进行了综述：流体管道动态过程研究的发展与现状；负载敏感多路阀的结构入控制方式；负载敏感系统的构成、工作原理以及管道在其中的分布情况；电液系统中管道效应的研究现状；液压系统仿真技术的发展以及仿真中管道的处理方法。
Stability analysis of nonlinear magnetic suspension, the magnetic suspension system model was found based on electromagnet dynamics and voltage balance of the electromagnet coil; The feedback of position and velocity and current are used as the control variable; After the control rule was applied to the electromagnetic system, the louts criterion was used to get the range of the control parameter in which the system was steady-going.
非线性磁悬浮系统的稳定性分析，通过电磁铁动力学和电磁线圈的电压平衡方程，建立磁悬浮系统基本模型。求出系统奇点后，通过系统线性展开求出系统矩阵。用PD控制外加电流反馈量，将控制规律带入系统模型方程组求出矩阵的特征方程，由劳斯判据得知非线性系统稳定的位置反馈系数及取值范围。
It is pointed out that internal FACTS system dynamics should be considered in power system dynamic analysis and design of control schemes.
指出需要在电力系统的动态分析及FACTS的控制方案设计中考虑FACTS的内部动态特性，并认为动态相量模型极具优势。
Based on the patents of linear friction welding machine overseas and basic theory of crank slide mechanism, simple model of LFW recz~rocating vibration system is established, dynamics parameters and power of driving motor are analysed, which will lay a theroretical foundation for designing and manufacturing LFW machine and finite element numerical modeling ofLFWprosess. To the friction couple of DD3 and Ren? 95 alloys, the temperature and torque during friction welding are measured using semi-natural thermocouple and grip-style torque sensor. Parameters data are detected real time by industrial control computer.
在分析国外线性摩擦焊机有关专利的基础上，选取曲柄滑块机构为典型设计方案，建立了线性摩擦焊机振动系统的简化模型，分析了线性摩擦焊机振动系统的动力学参量，推导了线性摩擦焊机功率的表达式，着重分析了振动系统振子质量、焊接工艺参数与线性摩擦焊机功率的关系，为线性摩擦焊机的设计与制造、线性摩擦焊接过程工艺优化和有限元数值模拟奠定了理论基础。