| 1. | A novel method of pmsm ac servo system ' s load torque motion compensation
永磁同步电机交流伺服系统负载转矩动态补偿方法 |
| 2. | Maximum overload torque
最大过负载转矩 |
| 3. | Torque at rated load
额定负载转矩 |
| 4. | But the analysis also shows that when the friction torque exerted on the stepper motor becomes large to some extend the motor of the mirror may stop rotation
仿真分析也同时表明干摩擦负载转矩变大有可能使红外相机扫描步进电机停转。 |
| 5. | The main feature of this method is that voltage u is independent to frequency / , which can be controlled separately within limits . so it can change the ratio of u / f according to the variable load torque
该方法的主要特点是spwm送给电动机的电压u和频率f信号是互相独立的，可以分别进行控制，根据负载转矩的变化而改变u f比。 |
| 6. | Simulation results show the good performance of the drive system in dynamic conditions , in terms of acceleration , deceleration and load torque changes ; four quadrant operation results demonstrate the regeneration capability of the drive system
仿真结果表明：使用该控制策略的调速系统在加减速运行和负载转矩变化等场合均具有良好的动态性能。 |
| 7. | This paper is based on an artillery servo system which requires high control qualities such as the speeding , accuracy , and stability under hard circumstances like the great variation of the load and the huge changes of the torsion
本论文旨在改进某型号火炮的随动系统，以满足该系统在负载转矩和阻力矩变化较大时对继续保持良好快速性、准确性及稳定性的要求。 |
| 8. | The simulation results indicate that the algorithm is suitable for the speed regulation of srm . within a wide speed range the system has a good regulation character and a high precision of steady state , also the system can well constrain the disturbance of the load torque varying
仿真结果表明，采用本算法构成的sr电机凋速系统在整个调速范围内具有良好的调节性能及稳态精度，对负载转矩的变化造成的扰动输入能够很好的加以抑制。 |
| 9. | 9 . a fuzzy reasoning controller is designed to improve the performance of the mentioned disturbance observer . as the motor speed and load torque varying , the parameter of the disturbance observer can be changed by the fuzzy controller based on experiences . the pulsating torque can be compensated more strictly in a extended range
9 、对基于干扰观测器的转矩脉动控制系统进行了改进，设计了一种模糊推理控制器，根据电机速度和负载转矩的变化调整干扰观测器的增益，保证了转矩脉动控制系统的控制精度，并扩大了其运行范围。 |
| 10. | Secondly , the math model of the high - speed pm generator with a shielding is deduced . the method of how to analyze the electromagnetic field of the generator is introduced . and with the help of a kind of fem software , the parameters of a model machine are calculated and simulated , including the electromagnetic field , no - load voltage , single - side magnetic force , loaded torque and axial force
其次，对转子带防护罩的高速永磁发电机数学模型进行了推导，介绍了利用有限元法对电机磁场进行分析的方法，并运用有限元软件对一台样机的参数进行了仿真，包括电机磁场分析、空载电压波形、单边磁拉力、负载转矩以及轴向力等方面的内容。 |
