With a very vast application vista in industry , swing movable teeth reducer , which is used to transmit rotary motion and power between two shafts with same axis , is a new type of small teeth difference planetary gear driver 摆动活齿减速器是一种用于传递两同轴间回转运动的新型少齿差行星齿轮传动，在工业上具有广阔的应用前景。对其进行动态特性的研究和实验研究具有十分重要的意义。
This text bases on research result of former russia scholar to compiling calculational program , which predicts turning trajectory and zigzag manoeuvre of single ship model and various formal ship fleet models in the condition of deep water and shallow water 本论文是采用前苏联学者巴甫连柯等学者的研究成果编制计算程序，对单船船模及常见的各种形式的船队船模的回转运动、 z型操纵运动进行了数学仿真。
To machine the honeycomb sandwich , an interpolation method based on a rotary axis is also studied . with the round vector function and rotary movement group , a model of the error curved surface of the theoretical ellipsoid is set up to describe the actually measured surface 以圆矢量函数和回转运动群为工具讨论了曲面的误差变换，利用理论椭球面的误差曲面建立了实测曲面的数学模型，通过求解理论曲面的法线实现了实测曲面的等距计算和阴阳面数据转换。
Chapter 8 simulates the ship maneuvering motion of turning and zigzag test and takes into account the effect of water depth on ship maneuverability by use of the maneuvering model group ( mmg ) of japan . the main aim is to satisfy the need such as developing the maneuvering simulator of freshwater , the dynamic demonstration of avoiding ship collisions 第8章选择日本mmg的操纵运动数学模型对船舶作回转运动、 z型操纵试验的情况进行了数值模拟，并着重考虑了航道水深对船舶操纵性能的影响问题，其目的上要是为了课题组今后进一步开发诸如内河船舶操纵模拟器、船舶避碰计算机动态演示的需要。
This paper analyzes and discusses the problems involving the design of the electronic control ( ec ) and numerical control ( nc ) systems for a new type nc grinder - machine used to grind planar quadratic and annular enveloping worms based on novel four - axis - interpolation , in which a central fabricating method is introduced 摘要本文作者设计了新型四联动平面二次包络蜗杆数控磨床的数控及电控系统，该磨床采用虚拟中心的方法，通过两正交轴的圆插补及磨头基座的自转实现了传统蜗杆加工磨床上的砂轮工作面的平面回转运动，克服了传统加工蜗杆工作层面多，结构复杂，加工精度、效率低等缺点。
In this paper , to counter a flexible beam undergoing large overall motion impacting a fixed slope surface under the effects of grativity , the normal contact model is established based on the hertz theory and non - linear damping term , the tangential contact model is developed by adopting linear tangential contact stiffness to consider the effects of friction force during impact process , and the consistent linear dynamic model including impact is derived by using mode assumption method and lagrangin equation 针对在重力场下作大范围回转运动的柔性梁与一固定斜面发生斜碰撞的情况，根据hertz接触理论和非线性阻尼项建立法向碰撞接触模型。引入线性切线接触刚度建立切向碰撞接触模型，以考虑接触过程中由于切向相对速度的换向作用引起的摩擦力的变化。利用假设模态法和lagrangian方程建立系统含碰撞过程的一致线性化的动力学模型。
Swing movable teeth reducer is a new type of high property drive device , which is used to transmit rotary motion and power between two shafts with the same axis , is a new type of small teeth difference planetary gear drive , and has many advantages , such as strong load - carrying capacity , high transmission efficiency , large angular velocity ratio , small in size and compact structure etc . these characteristics make the swing movable teeth reducer have vast application prospects in industry 摆动活齿减速器是一种新型高性能传动装置，它是用于传递两同轴间回转运动的新型少齿差行星齿轮传动(简称活齿传动) ，具有结构紧凑、传动比范围广、承载能力大、传动效率高等优点。这些特征使摆动活齿减速器在工业上具有广阔的应用前景。
In addition , the second part of text adopts mmg segregative math model and correlative series test result and built ship manoeuvre movement equation of one propeller and one rudder ocean transport ship in still deep water . besides , the text used math model to workout calculated program that was modeled on ship ' s turning trajectory and zigzag manoeuvre 另外，论文后半部基于mmg分离式数学模型及相关的系列化试验结果，建立了单桨单舵海洋运输船舶在静水中的船舶操纵运动方程，利用数学模型，编制了计算程序，对船舶回转运动、 z形操纵运动进行了数学仿真。
Xzj - 2 rotating bottle - feeder this equipmet uses frequency - changing speed - adjusting for rotating movement , make the bottles under the action of rotating shearing force entering conveying belt in order , coordinating with the packing prodution line , to reach the purpose of saving labor force and enhancing working efficiency . it suits the scope : 50 1000ml glass bottle , blastic bottle , polyester bottle etc . key parameters 该设备采用变频调速作回转运动，使得瓶子在旋转切向力作用下按序进入输送带，与包装生产线配套，达到节省人工，提高工效的目的，适用容器范围： 50 - 1000毫升玻璃瓶塑料瓶聚脂瓶等。
The most important feather in this design is that the number of motors have controlled only in two and de - scend the motors on the base . ( one motor used for turn motion of the base , whereby maked the manipulator motion in throughout space . another motor used to drive the manus ) excepted for adopped synchronization bell which have light weight and accu - rate gear ratio to reliefed relatively the weight of manipulator ' s device 在本设计中除了采用材质轻而又传动比准确的同步带传动可以相对减轻手臂传动机构的重量之外，最主要的特点足将电机数量控制在两台(一台用于底座的回转运动，从而实现机械手在整个空间的运动；另一台用于驱动手臂的运动)并将电机下置于底座。
