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Generally, its operating condition is under the low-speed and thin oil lubrication, so the viscous friction was usually neglected and the friction torque caused by main influencing factors of elastic hysteresis in rolling, spin of rolling element and sliding friction on contact zone were considered.

低速灵敏球轴承小而稳定的启动力矩和动态力矩对于导航系统的姿态控制至关重要，其工况通常是低速稀油润滑，黏性摩擦被忽略而重点推导接触区因弹性滞后、自旋及差动滑动引起的摩擦力矩。

For the damping of speed oscillation of hybrid electrical vehicle engine, this paper founded a PID controller according to the relationship between electrical throttle control positions, engine speed and engine torque.

根据发动机电控节气门开度-转速-转矩关系，建立了混合动力汽车用发动机转速比例-积分-微分控制模型，并根据发动机转速响应特性，对模型参数进行了整定。

Simulation results showed that the electromagnet torque and the radial levitation force were decoupled, and the validity of this method was confirmed.

仿真结果表明：实现了电磁转矩与径向悬浮力之间的解耦，验证了此方法的有效性。

In this paper, a novel Crowbar control strategy is proposed to limit the over current in the rotor and the over voltage of the DC bus as well as the transient oscillation of the electromagnetic torque. Moreover, a capacitive current is injected into the grid to assist the recovery of the grid voltage.

文章提出了一种Crowbar控制策略，能有效抑制转子过电流、直流母线过电压以及电磁转矩的振荡，并可向电网注入无功电流以帮助电网电压的恢复。

It is an important half hardware-in-loop simulation equipment, which is often used to simulate the aerodynamic torque load on the missile rudder or elevon actuators in the flight.

它是地面半实物仿真系统中的一种重要专用设备，用来模拟飞行器舵机在飞行过程中所承受空气动力力矩载荷。

The simulation results indicate that H_∞mixed sensitivity controller with PI current loop can improve the capability of low frequency noise enhancement and high frequency enervation in wide frequency band, and attenuate noise of torque sensor. The designed control system for EPS system exhibits good robust performances in assist tracking and anti-disturbance, greatly enhances the returnability, driver\'s steering feel, handling characteristic.

通过仿真结果分析表明基于PI电流环的混合灵敏度鲁棒H_∞控制器能在较宽频带范围内增强地面低频信号、削弱高频信号和抑制转矩传感器的噪声，所设计的控制器有较强鲁棒性，助力跟踪能力和抗干扰能力，能有效改善车辆的转向回正特性，提供给驾驶员较为满意的路感，提高车辆的转向操纵性能。

This research sets up a four-stroke unthrottled engine model equipped with electromagnetic valves, In this research, we analyses the influence on the engine volumetric efficiency, house power, torque and fuel comsumption by changing the opening and closing timing of the intake valves when the engine rotates in low, medium and high speed.

本研究建立配有电磁式气阀的四行程多缸无节流阀引擎动态模型，分析引擎在低、中、高转速下，改变进气阀开闭正时对引擎容积效率、马力、扭力以及燃油消耗率的影响。

There are three sizes of each Epsilon drive: 2 Amp, 3 Amp and 5 Amp, with the largest drive delivering up to 37 lb-in continuous torque.

有三种尺寸的每个小量驱动器：2安培，3安培和5安培的最大提供高达37磅的连续扭矩驱动器。

According to"Coal mine Safety regulation"the request,this article mainly analyzes the relation between the hoist's brake torque and brake deceleration in the equipollent tail rope promotion system,produced the relational curve of deceleration and the gravity characteristic coefficient and the braking moment multiple.

根据《煤矿安全规程》的要求，通过对在等重尾绳提升系统中制动力矩与制动减速度关系的分析，给出了减速度与重力特性系数和制动力矩倍数的关系曲线。

With experience gained from the Finite Element method, a quasi-linear model based on the Magnetic Equivalent Circuit method has been used to obtain the static torque of the motor. Three types of magnetic tubes are employed in the model, and through the exchange principle of magnetic lines of force and magnetic equipotential line, the tube in which the flux distribution is non-uniform is applied to the model.

通过分析电机二维磁场分布和考虑电机特殊的电磁结构，提出了用三种磁通管单元来近似磁场分布，并借用磁力线和等磁位线互换的方法，将磁力线分布不均匀的磁通管引入到分析模型中，有效的处理了平动式啮合电动机中的磁场分布不均匀和磁路局部饱和，使分析模型得到简化并兼顾了求解精度。

It has to be computed by the host for the actual clock rate.

主控制器可以用来计算实际的时钟速率。

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