And we expect the direct current motor with the input u*(t) to make rotational speed ω reach the steady rotational speed within short time.
利用苏联学者庞特里亚金的极小值原理和Bang-Bang控制原理等最优控制知识,在直流电动机拖动系统的电枢电压u(t)不大于额定电压的条件下,进行理论分析与讨论,求出输入电压u*(t),希望直流电动机在输入电压u*(t)的作用下,用最短的时间使角速度ω达到预定的任意稳定转速,并用MATLAB作图仿真和检验。
In order to improve the accuracy of adjusting speed and the stability of rotating speed,the controller of DC motor with correction worknet was designed using the wavelet transformation which can extract the time-frequency informations of the wavelet coefficients of current,voltage and rotating speed to judge the faults and to correct speed.
为提高直流电机的调速精度和转速稳定性,利用小波包分析技术,提取电流、电压和转速的小波系数中所包含的丰富的时频信息,判别故障,修正转速,本文设计了带调速检测和校正网络直流电机调速器;并和常规调速器的性能进行了对比实验。
The inertia of the flywheel opposes and moderates fluctuations in the speed of the engine and stores the excess energy for intermittent use.
飞轮的惯量能使发动机转速稳定和储存断续使用时的多余能量。
Stability Evaluation of Instantaneous Rotational Speed for InternalCombustion Engine via Detrended Fluctuation Analysis
内燃机瞬时转速稳定性评价的非倾向性振荡分析策略
lowest continuous speed test with load
最低稳定工作转速试验
It enables the rotor with constant speed for maintaining steady output voltage.
它使转子能以恒定速度转动,保持输出电压稳定。
minimum steady speed operation test for main engine
主机最低稳定工作转速试验
Research on Stability of High-Speed Rotating Machinery Rotor-Bearing System
高速旋转机械转子-轴承系统稳定性研究
When the disk rotation speed increases, the stability of magnetic head is slightly worsened.
高转速的磁盘对磁头稳定性不利,但影响不大。
Study on the Vehicle s Stability in Cornering Braking at Higher Velocity;
汽车高速转弯紧急制动时稳定性的研究
Division and Whole-Combination: Analysis of Social Stability in China During the Speedy Transforming Period;
分化与整合:加速转型期中国社会稳定性分析
Effect of Workpiece Torsion on Rolling Stableness during High-speed Wire Rod Rolling
轧件扭转对高速线材轧制稳定性的影响
Analysis on the Instability of the Rotating-speed Display of the Diesel Engine of 2000-type Monitoring Unit
2000型监控装置柴油机转速显示不稳定问题浅析
Furthermore, for more accurate simulation, a nonlinear 8 DOF vehicle model was used to analyze the step steering response of the rhombic car.
仿真结果表明,菱形车在高、低速时具有快速、稳定的转向响应特性。
It is suitable to run on the condition of high-speed run, steady counterbalance and under80℃( If in lasting operation).
适用于高速运转,动平衡稳定,使用温度80℃下可长期使用。
This paper studies the vibration stability of rectangular shaft on variable rotation.
本文研究了扁平轴变速回转时的振动稳定性问题。
The Torque Performance Analysis and the Influence on the Controllability and Stability of Vehicle with Limited Slip Differential
车用限滑差速器转矩特性分析及其对操纵稳定性影响
With the features of mono-block cast type wallboard, slippage press roller structure, strong rigidity, better stability and suitable for high-speed operation.
整体铸造式墙板,滑移式压辊结构,刚性强,稳定性好,适用于高速运转。
A Study on the Effect of Torque-sensing LSD on the Handling and Stability of a RWD Vehicle
转矩式限滑差速器对后轮驱动汽车操纵稳定性影响的研究
The Stability Analysis and Transition Pridiction of the Hypersonic Boundary Layer over Blunt Cone at Zero Angle of Attack
高超声速零攻角钝锥边界层稳定性分析及转捩预测
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