转动的

Each of its 8 joints with 2-DOF was an universal coupling with "+" shape and their motion range is over ±60 degree."U" form components constructed two rotatory DOF that their rotary range was adaptive to human whist.

由两个 U形构件组成手腕的两个转动自由度，它们的运动范围与人的手腕运动范围相适应，在这个机构的工作空间内没有奇点，具有平动和转动解耦的特性，最后一个自由度是手控器手指关节的运动。

A new multi-degree of freedom ultrasonic motor using in-plane deformation of lead zirconate titanate elements was introduced.

介绍了一种新型基于压电陶瓷平面内应变特性的多自由度超声波电机，该电机通过两个平面内的弯曲振动模态的叠加实现转子绕Z轴的转动；并利用伸缩振动模态分别与上述弯曲振动模态叠加实现转子绕X轴和绕Y轴的转动。

for carrying out a small physical volume and high reliability of the motor driving and control,by using hip4081 chip and aln hybrid integrated technology,a hybrid integrated technology h bridge circuit based on hip4081 is designed to control bidirectional circumrotation and speed regulation of the motor.by practical application,the bidirectional circumrotation/speed adjustment of motor are realized safely and reliably.the products has a small physical volume,fast heat transmission,high efficiency and can operate properly in severe environment.it can enhance the reliability of the drive circuit and the system,and adapt to both military and commercial usage.

摘 要：为了实现小体积、高可靠的电机驱动与控制，利用hip4081专用芯片和aln厚膜混合集成技术，设计一种基于hip4081的厚膜h桥电机驱动电路，完成了h桥式驱动电路对电机双向转动和调速的控制。经实际应用，该电路不仅安全可靠地实现了电机的双向转动和调速功能，且产品体积小，导热性能好，效率高；还能在恶劣的使用环境下安全工作，提高了驱动电路和系统的可靠性，适合军、民两用。

The bodily center of gravity speed changes along the changing of the swivel posture. In the three axes of X, Y, Z, the speed is pindling and has no appearance difference in the front-to-back direction and left-to-right direction, but speed in the vertical direction is the fastest.The speed of the swinging leg appears three acceleration stages obviously.

在身体转动中无论手臂的引带、跟随或摆动腿的挥摆等动作，正好体现了肢体相对身体纵轴质量分布的改变，从而达到了调整身体转动速度的目的，所以古典芭蕾舞挥鞭腿转720度难度动作是满足动量矩守恒定律的。4。

Liu JunHua;Huang ShuGong;Liu JiDongA tri-dimensional model for a jeffcot rotor was reported. A new motion equation of the torsional vibration with natural retation and the conception frequency was presented. The natural frequencies of disk rotors with different geometrical structures and were computed based on the finite-element method, and the factors affecting the coefficient of the natural frequency with rotation were analyzed.

在转轴以一定速度旋转的条件下，推导了考虑转动频率情况下的单质量盘转子扭振运动方程，通过有限元方法对不同几何结构的单质量盘转子在不同转动频率下的扭振固有频率进行了计算，对影响单质量盘转子扭振动频的动频系数进行了分析。

The trajectory of the center point of cornea and the angle of eyeball was recorded by smear photography during the normal human eye saccadic movements. It was noticed that in the eye saccadic movement, the eye was not only rotating around vertical axis, but also performing a little rotation around coranal axis.

用高速摄影记录了正常人眼水平扫描运动时角膜中点的运动轨迹、眼球的转角等随时间的变化，发现眼球水平扫描运动时，不仅有绕垂直轴的转动，而且还有稍量绕横轴的转动。

Using the dynamicalsymmetry and considering the off-diagonal term of rovibrational interaction, weobtained firstly the expression of rotational energy levels similarly to thecommonly used term value equation in spectrum analysis. By using the formula,the rotational levels of different vibrational transition for linear triatomic molecules〓, HCN, OCS,〓 and its isotope species, which are on the electronic groundstate and the first electronic excited state, were analyzed. The obtained rotationalconstants accord with the ones from other calculation methods very well.

文章还利用动力学对称性并考虑到振转相互作用算符的非对角项，首次得到了类似于光谱分析计算中常用的项值方程的振动能级的表达式，并用其计算了〓、OCS、〓、HCN等线形分子在电子基态和第一电子激发态若干振动跃迁的转动能级，所得转动常数与其它计算方法所得值符合得相当好。

This article introduced the manipulator, it outputs four groups by PLC to actuate the abscissa axis, the z-axis, the chassis rotation, hand-rotating motor separately, and controls the manipulator abscissa axis and the z-axis pint pointing, the micro switch bequeaths the position signal to the PLC main engine; The electrical machinery drives the hand fingernail and the chassis revolve; The solenoid valve controls air valve the switch to control the manipulator hand fingernail to gather, then realizes the manipulator proper motion function.

本文介绍的机械手是由PLC输出四路来分别驱动横轴、竖轴、底盘转动、手转动电机，控制机械手横轴和竖轴的精确定位，微动开关将位置信号传给PLC主机；电机拖动手爪和底盘旋转；电磁阀控制气阀的开关来控制机械手手爪的张合，从而实现机械手精确运动的功能。

Comparing the magnetic properties of sintered magnets from HD powders and the degassed powders, it is found that the sintered magnet from HD powders gets excellent properties at a temperature of 20～30℃ lower than the magnet from the degassed powders.

例如，HD磁粉在10T的外磁场下所受到的转动力矩甚至还没有350℃脱氢磁粉在2T磁场下受到的力矩大，当磁粉的c轴与磁场方向成π/5（36°）角度时，两者受到的转动力矩分别为1.123×10〓Nm和1.202×10〓Nm。

The soft layer of ECC media usually possesseshigh saturation magnetization and also high demagnetizing energy density.

ECC介质由交换耦合的软磁层与硬磁层构成，它是通过软磁层与硬磁层的磁矩在磁化反转过程中的非一致转动来达到降低矫顽力的效果，而无外场时热反转仍为一致转动，因而能保持较高的热稳定性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐