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- The accuracy of the rotor speed estimation in speed sensorless vector control system of induction motor under load is sensitive to parameter errors of the internal machine model. 在感应电动机无速传感器矢量控制系统中,在负载条件下转子速度估计的精确度对电机内部模型参数误差非常敏感。
- The reference model and adjustable model used in the mutual MRAS scheme are interchangeable.For the rotor speed estimation,one model is used as a reference model and another is the adjustable model. 参考模型和可调模型使用交互式MRAS方法，系统在电机的转速和定子电阻的辨识间切换。
- rotor speed estimator 转速估计
- The Stator Flux and the Rotor Speed Estimation in Direct Torque Control Scheme 直接转矩控制方案中的定子电阻与转速估计
- The highest rotor speed is up to 100,000r/min, production is higher. 5转杯最高转速可达100000转/分。转杯支承采用进口的轴承，具有较高的稳定性和可靠性。
- Rotor speed estimation 转速估计
- Then a real-time quasi-steady turboshaft twin-engined model is founded by simulating the rotor speed fluctuation. 为模拟大负载情况下旋翼转速的波动，建立了双发准定常涡轮轴发动机实时仿真模型。
- For reducing whir ling the radial sampling period must be suitable to the rotor speed not excessively short. 为减小涡动，转子径向采样周期应与转速相适应，不宜过快。
- The rotor speed had little effect on the residence time of the materials, and the feeding capacity wa... 混炼时加料量与物料停留时间成反比,转速对物料停留时间影响不大。
- The V/f control can exhibit excellent abilities when and only when it is applied to IIM and is of the open loop type in terms of the rotor speed. 因此，V/f控制只有用于IIM中构成转子速度开环系统才能获得优良性能。
- The speed estimate method is obtained using MRAS and the models. 利用这两种模型，使用模型参考自适应算法，得出了电机转子转速的估算方法。
- The affection of rotor speed's change on the mixing process in two,three and six nogs synchronous rotor internal mixers were analyzed and studied. 密炼机转子转速是密炼机重要参数之一,它直接影响到密炼机的生产能力、功率消耗和炼胶质量。
- Testing results show that the control algorithm can guarantee the speed error within 5RPM corresponding to the preconcerted rotor speed. 实验结果表明本算法可将电机的转速误差控制在给定转速的正负5RPM的误差范围之内，达到了较好的控制效果。
- Main equipment: Supercritical fluid extraction tanker, condensing tanker, centrifugal machine, rotor speed mill, vacuum pump, HPLC, spectrophotometer. 主要设备：超临界、萃取罐、浓缩罐、离心机、粉碎机、真空泵、高压液相色谱仅、分光光度计等。
- Large-capacity and low pressure chamber of the rotor speed can be continuously to ensure that no stagnation in exports of all kinds of media. 大容量的压出腔和较低的转子转速，可保证连续地、无滞止地输出各种介质。
- The model inputs include the fuel flow, the nozzle area, the altitude and Mach number, and model outputs include the rotor speed, the temperature and the air pressure. 模型的输入量包括燃油流量、喷口面积、高度及马赫数，输出量则包括高、低压转子的转速及各截面的温度和压力。
- The rotor speed can be tacken as a state variable of the system by using the Extended Kalman Filter,which based on the vector control of an asynchronous motor. 在异步电机控制基础上,利用扩展卡尔曼滤波器将转子转速看成系统的一个状态量,根据定子侧可以测量的电流、电压值,逐步估计出转子转速,为研制无速度传感器控制打下基础。
- Also, a 2/sup 3/ factorial experimental design was applied to study the effects of temperature, rotor speed, and totalized torque (TTQ) on the fusion of PVC compounds. 并应用因次实验设计法来判定重要之混练加工因素(混练温度、转轴转速及力矩总和)对PVC熔和之影响程度。
- The results showed the higher the output was,the shorter and narrower the residence time and distribution would be, while the rotor speed had little influence on RTD. 结果发现:混炼机产量越大,停留时间越短,分布曲线的分布越窄;而混炼机的转速对停留时间分布的影响不大。
- In this paper, a amended method of estimating the rotor speed about model reference adaptive system (MRAS) on the basis of vetor control is put forward. 研究了一种基于矢量控制的模型参考自适应永磁同步电机无速度传感器方案。
