1、

The line speed stability of the designed digital controller keeps in good agreement with the requirements in local well logging, and the workload is also decreased.

所设计的数字控制器的速度稳定性完全满足测井工作需要,降低了劳动强度。

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The simulations of instantaneous driving torque show that the instantaneous driving torque is changed between the positive and the negative and fluctuated highly at the angle of the valve plate(θ≤ 15 °), which result in the dead movement zone and the worse low-speed stability.

瞬时扭矩的仿真分析表明,在θ≤15°时,其瞬时驱动扭矩在正负值之间跳动,脉动率高,是其产生低速稳定性差、存在运动死区的主要原因。

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This system is based on the advanced automatic testing principle, uses industrial control computer. The start-up circuit and speed stability circuit let the target seeker gyro start the rotation and make stable speed.

该测试系统基于先进的自动测试原理,以工业控制计算机为核心,设计的起转和稳速电路启动位标器并产生稳定的转速。

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The Speed Stability Criterion of the Rotary Cylinder with Eccentric Load

偏心负载作用下的摆动气缸速度稳定性判据

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And that parallel mode requires the servo system to have good speed stability to ensure invariable output of speed.

平行式要求伺服系统具有良好的速度稳定性,保证恒定的速度输出。

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7、

His paper mainly introduces an application of AC motor speed control by variable frequency in multi-motor synchronous drives of dyeing and printing works. It includes system principle, synchronous speed control scheme, tension transducer, tension regulator and stability analysis.

将交流电机变频调速技术应用于印染厂布铗丝光机同步传动系统中,主要介绍系统原理、同步方案、张力传感器和稳定性分析等。

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The system is applicable for telescopic belt conveyor with heavy load, long distance, large power and high speed, and has stability, reliability and high performance-price rate.

该系统适用于大运量、长距离、大功率、高速度的可伸缩带式输送机,稳定可靠,性价比高。

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Therefore in engineering practices of slope treatment, design and stability analysis, how to consider the effect of train vibration load has become an important question of building high-speed railway in mountain.

因此,在滑坡治理、边坡设计及稳定性评价等工程实践中,如何考虑列车振动荷载影响,已经成为山区高速铁路建设中的一个重要课题。

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The stability and reliability of thyristor speed control system in paper machine was discussed in this paper, AEC's drive unit was especially introduced in detail.

对造纸机可控硅速度控制系统的稳定性和可靠性进行了探讨,尤其对AEG公司的传动装置作了详尽阐述。

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The speed rate of data transmission reaches 1 Mbit/ s. The stability and good reliability of data transmission can meet the real-time need of the field. Dependability is good, and the field real time demand is satisfied.

试验表明,CAN总线的多主结构使系统改型灵活,数据传输稳定,可靠性好,数据传输速率可达1Mbit/s,能满足现场的实时性要求。

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The final result of power system transient stability assessment is obtained. Simulation results on 4 generator 11 bus test system show that the operating speed can be enhanced and the wrong call rate can be reduced if the information fusion model is used.

在4机11节点的测试系统上进行的仿真表明:采用信息融合的模型,能提高运算速度和降低误判率,为在线进行电力系统的暂态稳定分析提供了一条新的思路。

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In order to improve the unit's economy, safety and stability, the reform of electrical speed regulation water-feeding pump into steam feed pump of four 220 MW units is carried out in Xuzhou Power Generation Co.

为提高机组经济性与安全稳定性,对江苏徐州发电有限公司4台220MW机组进行了电动调速给水泵改汽动给水泵工作。

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The impaction on the driving stability and safety impacts by the structural design, steering, handling agencies, brake parts and electric bicycle speed and weight of electric bicycle was analyzed in this paper. ( 3) Bicycle frame and components design.

依据人机工程学的原理,分析了电动自行车结构设计、转向机构、操控机构、制动部分以及电动自行车的车速与重量对行驶平稳性及安全性的影响。(3)自行车车架及部件造型设计。

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Stability and Reliability of Thyristor Speed Control System in Paper Machine

造纸机可控硅速度控制系统稳定性和可靠性探讨

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The theory of stability of a liquid with free surface is applied to understand the'humping'phenomenon in bead formation during high speed welding.

应用具有自由表面的流体稳定性理论,解释了高速焊接时驼峰焊道的产生机理,并通过对熔池形成过程的实时图像采集对该理论进行了验证。

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Analyze the stability of high speed/ ultra-high speed milling system with Equivalent profile of milling cutter, spindle/ holder connection form, end milling cutter with different length of overhang.

探讨转速、主轴/刀柄联结形式、刀具悬伸长度等因素对高速/超高速铣削稳定性的影响。

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For a high-speed spin-stabilized projectile, Mainly analysis the impact on the the projectile movement stability which Magnus moment generates. The results show that only when nonlinear Magnus moment meets some certain conditions, Rolling projectile will produce a stable limit conical motion.

对于高速旋转稳定弹,本文主要分析马格努斯力矩对弹箭运动稳定性的影响,结果表明只有在非线性马格努斯力矩满足一定条件下,旋转弹箭才会产生稳定的极限圆运动。

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Among them, the influence of spindle speed to cutting force is due to the impact of the spindle speed to processing system stability.

其中,主轴转速对切削力的影响是由于主轴转速对加工系统稳定性的影响。

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