Position and speed are obtained by an observer using a voltage and an inductance motor model together with test signal injection at low speed.
采用含电机电压模型和电机电感模型的观测器，在低速时注入测试信号，可以得到位置和速度信号。
Through analyzing the methods and combination of the low speed wind tunnel test data, the position of the separation point can be detected accurately.
通过对试验结果进行数据处理，验证了该判定方法对分离点位置判定的正确性和有效性。
A novel method for detecting the rotor position of Senseless Brushless DC Motor was presented in view of the deficiency in rotor position detecting at standstill or low-speed.
针对无刷直流电机在静止和低速状态下检测转子位置困难，提出了无刷直流电机采用无位置传感器控制策略时转子位置检测的一种新方法。
Another kind of the voltage control mode, through the high and low voltage on motor speed control, motor feedback signal through the drive to the numerical control system feedback position control.
另一种采用电压控制方式，通过电压的高低进行电机的转速控制，电机的反馈信号通过驱动器反馈到数控系统进行位置控制。
The state observer observes the precise load torque, rotor position and speed with only a low accuracy position sensor.
状态观测器可以利用较低精度的位置传感器来准确观测负载转矩、转子位置和转速。
Process control requirements of the position or speed low voltage motors using VVVF, the brake.
工艺流程要求调速或定位控制的低压电机采用变频调速，制动。
When the speed of AUV is zero or low speed, lift is produced by the vibration of fin stabilizer at the horizontal position, which is similar to the flapping wing flight of insects and birds.
当航速为零时，则是通过鳍在水平位置附近的上下振动来产生升力，与鸟类和昆虫的扑翼飞行相似。
When the speed of AUV is zero or low speed, lift is produced by the vibration of fin stabilizer at the horizontal position, which is similar to the flapping wing flight of insects and birds.
当航速为零时，则是通过鳍在水平位置附近的上下振动来产生升力，与鸟类和昆虫的扑翼飞行相似。
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