查询词典 torque arm

By considering torque characteristics of variable-frequency motors and mesh stiffness as well as backlash nonlinearity in gear transmission,a dynamics model for the cutting system of shield tunneling machine with redundant drives was established. The fluctuation characteristics of torque loads and dynamic cutterhead driving torque in composite strata were analyzed.

复合地层掘进扭矩载荷突变是造成盾构机掘进过程中堵转停机的直接原因，考虑盾构机刀盘驱动变频调速电机特性、转矩传递过程中齿轮啮合刚度及齿侧间隙等非线性因素，建立冗余驱动的盾构机刀盘切削系统机电耦合动力学模型；针对典型复合地层地质条件，对盾构机在上软下硬地层掘进过程中刀盘驱动转矩动态特性进行仿真分析。

The expression of cogging torque is deduced on dual-stator permanent magnet synchronous machine, and the influence rules of the resulting cogging torque are analyzed with the change of relative angle between dual stators. The relation between cogging torque amplitude and the relative angle between dual stators is investigated. Finally, simulation verification is conducted based on finite element method.

针对双定子永磁同步电机，推导了内外定子及其合成齿槽转矩的解析表达式，分析了内外定子相对位置变化对合成齿槽转矩的影响规律，着重研究了合成齿槽转矩幅值与内外定子相对位置的关系，最后用有限元方法进行了仿真验证。

As an assembly tool of the big diameter bolts, hydraulic torque wrenches have many advantages, such as big output torque, easy operation, being able to be used conveniently in the incommodious room, and comparatively precise control of the magnitude of torque.

液压扭矩扳手作为一种大直径螺栓的装配工具，具有很多的优点，如输出扭矩大，使用方便，能够在狭窄的空间范围内使用，且能够比较准确控制预紧扭矩的大小等。

Two algorithms are put forward to solve the problem of on-board engine torque estimation, which is the key technology of Coordinated Control Algorithm. One is called the algorithm of engine torque estimation based on mean-value model and the other is called the algorithm of engine torque estimation based on instantaneous crankshaft speed.

在仿真研究的基础上，针对如何实现动态协调控制算法中的关键技术——发动机转矩在线估计提出了两种算法：基于发动机平均值模型的转矩估计算法和基于发动机曲轴瞬时转速的转矩估计算法。

Based on the simple presentation of the configuration characteristic and the calculation of the magnetic field and torque of the PMSSM, the torque-angle characteristic is divided into three kinds to calculate. Then the curves of the torque are approximated with different functions.

在简要介绍永磁球形步进电机结构特点及磁场转矩计算的基础上，将电机矩角特性细分为三类加以计算并作拟合，总结出简化的电机转矩模型与表达式。2。

In view of special applications of multi-pole magnetic permanent torque motor used for precise numerical control rotary table, motors with higher torque density and lower torque ripple s are needed.

针对精密数控转台伺服直接驱动用多极永磁力矩电机的特殊应用问题(要求电机有较大的转矩密度且较小的转矩波动)，在分析该种电机的特殊结构的基础上，提出一种新型不等齿顶宽结构，以提高绕组利用系数，加大电机的转矩密度；并采用转子斜极的方法，可在有效消除转矩波动的同时，电机仍保持较高的绕组利用系数。

In view of special applications of multi-pole magnetic permanent torque motor used for precise numerical control rotary table, motors with higher torque density and lower torque ripples are needed.

针对精密数控转台伺服直接驱动用多极永磁力矩电机的特殊应用问题(要求电机有较大的转矩密度且较小的转矩波动)，在分析该种电机的特殊结构的基础上，提出一种新型不等齿顶宽结构，以提高绕组利用系数，加大电机的转矩密度；并采用转子斜极的方法，可在有效消除转矩波动的同时，电机仍保持较高的绕组利用系数。

The flux hysteresis controller was ignored in the constant torque region and an improved method was proposed to make the estimation of torque easier.The proper stator voltage space vector was selected based on the output of the torque hysteresis controller and the sector which the current rotor flux locates in.

摘 要：针对无刷直流电机直接转矩控制中磁链观测困难、控制复杂等问题，提出了一种应用于无刷直流电机二二导通方式下的新型直接转矩控制方法：在电机基频以下调速时，略去了常规的磁链观测控制环节，改进了转矩计算方法，通过转矩滞环控制选择所施加的空间电压矢量。

The paper given accurate computer formula and variation curve about suspension point motion (displacement velocity acceleration) and the torque variation law of reductor shaft .given two conclusion: one is the factor affected motor power is the law of suspension point torque ,the other is the factor affect torque fluctuation is the difference between the effective radius of hind heaven sheave and the theory's.

指出影响电机功率的因素是悬点扭矩的变化规律和扭矩波动的大小。其原因是后天轮轮廓曲线有效半径与理论值差异所致。

Due to the large torque ripple of direct torque control in low speed range,a torque angle adjustor based on fuzzy neural network and PI control was adopted to improve the control effect.

针对直接转矩控制低速时转矩脉动大的问题，采用基于模糊网络与PI控制结合的转矩角调节器来改进控制效果。

The teacher likes the honeymouthed little girl very much.

老师很喜欢这个嘴甜的小姑娘。

Mr. Notker Bien's interests are traveling, spending quality time with the family and long-distance-running.

诺特卡·柏恩先生热爱旅游，长跑，以及和家人一起共度美好时光。