| 1. | Root locus method
根轨迹法 |
| 2. | It is expected that the model could be effectively used in performance prediction and optimization of liquid - liquid hydrocyclones
该轨迹法分离效率模型理论上具有广泛通用性，方法简单实用，对液-液水力旋流器工业使用及其优化设计具有重要的指导作用。 |
| 3. | After studying the traits and operating characteristic of the repmsm , a speed adjusting scheme combining the in - phase variable - frequency speed adjusting with a speed - closed loop is introduced specially
本文研究了正弦波永磁同步电动机的特点及其运行特性，确定了以他控式磁通轨迹法变频调速和转速闭环调节相结合的调速方案。 |
| 4. | Thirdly , by neglecting the coupling influence , the control laws of pitching , yawing and sloping movements are designed separately with frequency domain analysis and root locus , and then the parameters of the controller are chosen
第三，忽略耦合影响，将控制系统分为俯仰、偏航、倾斜三个相互独立的通道，用频域分析法和根轨迹法设计控制律、选取控制器参数。 |
| 5. | The steady - state errors of current closed loop system with pi current regulator in stationary and synchronous frames are compared using complex vectors . also , the corrector of rotor displacement control is studied by the root locus method
应用复合矢量概念，对比了静止坐标系和同步旋转坐标系pi电流调节器组成电流闭环系统的稳态误差，并用根轨迹法对转子位移控制系统的校正环节进行了研究。 |
| 6. | The control laws of longitudinal and lateral - directional autopilot modes are designed based on root locus theory . the control laws of altitude holding mode , heading holding mode , auto - throttle control and air speed holding mode are designed as well
研究了无人机的飞行控制技术，利用根轨迹法设计了无人机的纵向与侧向姿态保持控制律，设计了高度保持、航向保持、自动油门及速度保持控制律。 |
| 7. | The part represented by the polygon of the half section profile in its axis plane and cutter ' s trajectories for recording and arranging machining errors data are presented based on the analysis of the geometrical characteristics of the part and machining in turning process
摘要根据车削加工工件的几何外形和成形特点，提出了包含加工误差信息的回转体类工件半剖轮廓多边形建模方法和记录、组织加工误差信息的刀具轨迹法。 |
| 8. | The points of internal gear are fitted into spline curve by spline function , then the internal gear is manufactured in nc wire - cut machine . the process of manufacturing the internal gear in wire - cut machine is studied . compared to the traditional method of manufacturing in special machine this process is a breakthrough
利用样条函数对中心轮内齿圈齿形点进行拟合，利用轨迹法在数控线切割机床( bkdc )上实现了中心轮内齿圈齿形的加工，并对在数控机床上加工的工艺进行了研究。 |
| 9. | The influence of the eccentricity mass moment , position of mass center and the bearing stiffness to the vibration characteristics of the rotor system is discussed in detail ; 3 . to verify the exactness of fem and learn the principle of vibration of dredge pump further , the orbit of the rotor shaft of the pump in the dredger is measured , the measurement results show : the repeat of the orbit of the rotor shaft is very bad when dredge pump is in the dredging mud condition
模态分析确定了泥泵的振动特性(固有频率和振型) ；谐响应分析确定了泥泵转子轴在偏心力的作用下轴截面处的最大响应位移；研究了转子轴的质心位置、轴承刚度和质量偏心矩对转子轴振动特性的影响； 3 、采用轴心轨迹法，实船测量了泥泵轴工作时振动响应值。 |
| 10. | Based on the theory creation of space voltage vector ' s polygonal flux linkage locus , freewill partition of the ideal flux circle is realized by the software method . furthermore , different polygonal flux linkage locus ' s fluent switching point is also found , which overcomes the motor " switching failure and improves the speed adjusting dynamic performance
在充分研究磁通轨迹法原理的基础上，采用软件方法实现了任意多边形磁链轨迹的生成；并找出了不同磁链轨迹间的平滑切换点，解决了切换时的电动机失步问题，提高了系统转速调节的动态性能。 |
