1、

This thesis has probed several primary methods of speed estimation and found the suitable method of estimating speed without the speed sensor in the real-time DTC system, which namely to slip the speed dynamic computation method.

同时,探讨了几种主要的转速估计方法,比较其优缺点,寻找到了适合于实时直接转矩控制的无速度传感器的速度计算方法,即动态速度估计法。

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2、

The slip viscosity can be reduced, the slip exhausting speed of bodies can be increased, and their drying cycle can be shortened, adding the sodium polyphosphate and phosphorus components.

添加多磷酸钠和含磷成分可以降低泥浆的粘度,提高坯体的排浆速度,缩短干燥时间。

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3、

The Research on A Induction Motor Slip Control System of the Speed Regulation

异步电机滑差控制调速系统的研究

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4、

The speed-regulating system for control of the slip vector conversion of the asynchronous motor powered by the current inverse transformer is introduced. The structure and principle of the system are discussed in detail.

阐述了由电流型逆变器供电的异步电动机转差型矢量变换控制的一种调速系统,对系统的结构和系统的原理作了比较详细的论述。

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5、

In the new scheme the speed sensor of general slip frequency vector controlled system is replaced with speed calculation algorithm, so it has the merit of wide applicability.

这一新的控制方案用速度推算算法取代常规转差频率矢量控制系统中的速度传感器,具有适用性广的优点。

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6、

The criteria of overcoming low-speed slip-stick phenomenon of third-order system is given by using phase plane method, algebra analyzing method and Lyapunov stability theorem.

采用相平面法、代数分析法和李雅普诺夫稳定性定理得出了三阶系统克服低速滞滑爬行的判定定理。

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7、

The relationship between system parameter and low-speed slip-stick phenomenon is found, and the condition of choosing the parameter of PID is given, which should satisfy the purpose of overcoming low-speed stick-slip and guaranteeing the stability.

通过该判定定理得到系统参数与低速滞滑爬行的关系,在满足常规稳定控制器参数选择范围的基础上,给出了为消除低速滞滑爬行,PID控制器参数还应满足的条件。

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8、

Research of the Slip Control-Based System of Speed Sensorless

无速度传感器转差频率控制系统的研究

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9、
10、

based on the dimensionless, stick-slip equation was simplified, deduced critical damping and critical damping ratio while the stick-slip vibration occurs, verified the rationality of the method that raise the rotation speed to cure stick-slip vibration.

通过无量纲化对粘滑振动方程进行简化,推导出了粘滑振动发生的临界条件及临界阻尼比,验证了通过提高转速来抑制粘滑振动的方法的合理性。

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11、

This paper introduces a frequency-regulated closed-loop speed control system, which comprises a general inverter, an induction motor, a tachometer, an analog controller. The design methods of P-I, I-P and slip regulator are discussed in detail.

本文介绍了由通用逆变器、异步电动机、测速发电机和模拟控制器所组成的变频闭环调速系统,详细论述了P I调节器、I P调节器和转差频率调节器的设计方法。

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12、

The influence of the bearing structure, eccentricity, spiral angle, rotating speed and critical shear stress on slip degree is studied.

研究了轴承的结构、偏心率、螺旋角、转速和极限剪应力对滑移程度的影响。

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13、

adjustment scheme analysis of axial slip of floating axle in big double branch speed reducer

大型双分流减速器浮动轴窜动调照

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14、

excellent collecting ability used on high speed turbo -alternator steel slip-rings.

具有优异的集电性能,适用于高速汽轮发电机滑环。

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15、

drive, with slip compensation keeping actual motor speed close to the desired speed.

驱动器,与滑差补偿电机速度保持接近实际所需的速度。

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16、

analysis of high speed forming of serrated chip based on mechanism of slip-stay-slip

基于滑-停-滑机理的锯齿形切屑高速成形分析

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17、

The control algorithm of engine throttle control system is also researched by respectively using target slip rate and target speed.

分别以目标滑转率和目标车速做为节气门控制器输入量,对节气门控制系统的控制算法进行了研究。

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18、

Slip is more usually expressed as a fraction of rotating magnetic speed.

电机转差率通常表示为旋转磁场转速的百分比.

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19、

Speed Transducer for Anti-Slip System on Locomotive

机车防空转系统用速度传感器

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20、

The approach combines the feedforward compensation for the front wheel steering angle and vehicle speed and the feedback compensation based on the side slip angle and gas rate deflection to control the vehicle movement state.

该方法利用前轮转向角和车速的前馈控制与基于质心侧偏角和横摆角速度的误差反馈控制相结合来控制车辆运动状态,并通过最优控制的方法确定了反馈系数。

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