The unbalanced responses of bevel geared rotor system under external torque in the coupled axial-lateral-torsional directions were studied. 研究了在外载荷作用下锥齿轮传动转子系统纵弯扭耦合振动的不平衡响应。
The single-axis turntable driven by external rotor torque motor of the utility model can pass over middle process, such that accuracy and stability of operation of the turntable are improved; 本实用新型由外转子式力矩电机驱动转台可以省略中间传动环节,从而提高了转台的运转精度和平稳性;
An external shaft sleeve is mounted on the vehicle shaft in movable fit, and a torque input rubber-wheel and a torque output rubber-wheel are also fixed on the vehicle shaft; 本装置是在车轴上以动配合装有外轴套管,车轴上还固定着转矩输入胶轮和转矩输出胶轮;
To decrease the damage of grasping soft objects, an online joint torque predictive grasping control scheme is proposed based on external torque control loops. 为减少机械手抓取软物体造成的损害,提出基于关节力矩预测的力矩外环在线抓取控制方案。
The concrete research contents are listed as follows: ( 1) According to the data of engine experiment, the external characteristic curve and partial load characteristic of engine are drawn. Engine torque model and fuel consumption model are constructed using spline interpolation method. 具体研究内容如下:(1)根据JL474Q1发动机试验数据,绘制发动机外特性和部分负荷特性曲线,采用样条插值的方法构造发动机转矩模型和发动机燃油消耗模型。
The rotor torsional moment acting on the stepwise axis is regarded as an external torque on the aixs, the frequency equation of rotor system is derived by the singular function and Laplace ′ s transformation. 将阶梯轴上的转子扭矩看作加在轴上的外扭矩,采用奇异函数及Laplace变换推导出了转子系统的频率方程。
We give a model of B-to Z-DNA transition, and discuss the effects of salt concentration and external torque on the structure transition of B-Z, and obtain the probability distribution curve and the critical torque of B-Z transition at various salt concentrations. 本文给出了B-到Z-DNA的结构转变模型,研究了盐浓度和外力矩对B-Z结构转变特性的影响,得到了折叠角的几率分布、B-Z转变的临界扭矩和转变能随盐浓度的变化规律。
The task of the testing system is to test external characteristics of Torque Converter, it is about the relation of the output torque, input torque, efficiency and output rev. 本系统主要任务是测定液力变矩器的外部特性,即泵轮和涡轮轴上的转矩和转速之间的关系和液力变矩器的效率。
Analysis and Design of External Rotor Doubly Salient Permanent Magnet Motor Based on Reducing the Torque Ripples 基于减少转矩脉动的外转子双凸极永磁电机的设计与分析
In the ABS control cycle, the reacceleration of the locking wheels is provided only by decreasing the braking pressure. An external tractive torque can be used to shorten the time for acceleration during the phase of lowering of the braking pressure. 在该ABS的控制周期内,只有减小制动压力才能使锁止轮再加速,当在制动压力比较低的阶段可采用一外加牵引力矩来缩短加速时间。
Mathematic model of satellite attitude dynamic is set up, and external disturbance torque is analyzed. 建立卫星姿态动力学数学模型,并分析星体所受的外部扰动力矩。
The relationship between geometric behavior of the helix and the external force and torque was analyzed, and a stability criterion of helical equilibrium in analytical form was derived in first approximation. 文中分析了螺旋线的几何特性与作用力和力矩之间的相互关系,并导出螺旋线平衡的一次近似解析形式稳定性判据。
For flexible satellite disturbed by neglected dynamics, parametric uncertainties and external torque disturbance, attitude control problem was converted into an H ∞ mixed sensitivity problem through choosing suitable weighting functions. 针对存在未建模动态、模型参数不确定性和外力矩扰动的挠性卫星,通过选择合适的加权函数将挠性卫星姿态控制问题转化为H∞混合灵敏度问题。
The paper studies the key technical parameters of the TBM such as the external load, thrust force, torque of the cutterhead and power etc., and makes analysis and discus-sion respectively by the theoretical formula and the experience approach. 对盾构机外载荷、推力、刀盘扭矩及功率等关键技术参数进行研究,分别运用理论公式和经验方法进行分析讨论。
The simulation results show this controller has very strong robustness not only to external load disturbance, but also to unpredictable plant parameter variations such as inertia of load 、 resistance of armature and coefficient of torque. 仿真结果证明,该控制器不仅有效地抑制了不确定负荷扰动的影响,同时对系统内部参数如电机转动惯量、电枢电阻、转矩常数等的摄动也具有较强的鲁棒性。
Apply the frequency conversion technology to the electric actuator, control the turning speed of the motor by the external set signal, modulate the torque output by self-setting multi-stage velocity, and complete the reliable, smooth and automatic controlling function. 将变频调速技术应用于电动执行机构中,通过外给定信号控制电动机的转速,通过自行设定多段速度,调整力矩输出,完成可靠平滑的自动控制功能。
External Torque Application on Antilock Brake Systems 作用在防抱制动系统上的外转矩
Firstly, rolling bearing loading and deforming characteristics under external loading are studied based on Hertz elastic contact theory, stiffness and friction torque of bearings are analyzed to model the rolling bearing performances. 首先在Hertz弹性接触理论的基础上研究了滚动轴承在外部载荷作用下的承载和变形特性,对滚动轴承的刚度和摩擦力矩等进行了分析,建立了滚动轴承的数学计算模型。
Considering the inertia effect of single moving mass, the governing equations of bending-torsional coupling vibration are established. Meanwhile, the dynamic behavior of the beam by external torque is discussed. 考虑质量块的惯性效应,建立单个质量块作用下梁结构弯扭耦合振动的控制方程,详细研究了梁在外加扭力矩作用下的动力学行为。
Fraction slot is adopted, combining with the structure characteristics of external rotor PMSM, to depress the influence of cogging torque. 本论文结合外转子电机的结构特点,采用真分数槽降低齿槽转矩的影响。
With the ability of measuring the external force and moment vector together, the six-component force/ torque sensor is one kind of the most important sensors. 在各种传感器中,六维力与力矩传感器以其能够感知外力和力矩的全部信息而成为最重要的一类传感器。
Shaft parts, sleeve-like parts and plate parts are all typical parts with external circular surface, the shaft parts not only can be used to support the drive disk assembly, load bearing, but also can transfer torque and motion. 轴类、套类和盘类等回转零件都是具有外圆表面的典型零件,其中轴类零件,既可用于支承各传动部件、承受载荷,还能够传递转矩和运动。
The analytical expression of switching current is derived. Meanwhile, we obtain the dependence of precession frequency on the current, external magnetic field and field-like spin-transfer torque. 推导出了实现磁矩翻转所需的临界电流的解析表达式,同时还获得了磁矩进动频率随电流、外磁场以及类场自旋转移矩的变化关系。
Dual rotor system has been applied in aviation engines. The counter-rotating of the inner and external rotor can offset some gyroscopic torque, and improve aircraft maneuverability. 双转子系统在航空发动机中已有应用,内外转子反向旋转时,可抵消部分陀螺力矩,提高飞机机动性能。
Engine idle condition is affected by a variety of external torque, which is the main four: air conditioning, power steering, transmission gear and alternator. 发动机在怠速工况下受多种外部负载影响,其中主要的是四种:汽车空调,电动助力转向,变速齿轮和交流发电机。
Some biomechanics experiments turn out that the coloboma and extensive coloboma of the lesser trochanteric would lead to the proximal femur stress concentration which could weaken the performance of resisting the external load and the resistance against the torque. 生物力学实验结果表明,股骨小转子缺损和广泛缺损会导致股骨上段明显的应力集中,使股骨抵御外在载荷及抗扭力性能显著下降。
The external load of main reducer is obtained through the torque data of cutter head from the STM control system. 利用盾构机监控系统采集的掘进过程中刀盘承受的扭矩数据,得到主减速器的外部载荷。