| 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. | Flt full - load torque
满截扭矩 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | Abstract : the application of unknown input fault detection observers ( uifdos ) to the diagnosis of electronically controlled systems in automotive engines with unmeasurable load torque and random disturbances is presented in this paper
文摘:针对汽车发动机电控系统负载不可测且存在随机干扰的情况，采用基于数学模型的未知输入故障检测观测器方法，研究其故障诊断问题。 |
| 6. | The simulation results show that the controller can guarantee the global asymptotical stability of the system , and the pmsm servo system achieves excellent tracking performance , and is robust to uncertain parameters and load torque disturbance
仿真结果表明，所设计的非线性控制器保证了系统的全局一致稳定性，永磁同步电动机伺服系统获得了很好的跟踪效果，并且对参数不确定性及负载力矩扰动具有很好的鲁棒性。 |
| 7. | 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。 |
| 8. | 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。 |
| 9. | 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。 |
| 10. | 8 . a pulsating torque minimization approach based on disturbance observer is proposed . the new disturbance observer is designed to observe the unknown torque disturbance caused by the torque ripple , the varying of the motor parameters , the changing of load torque and the not ideal performance of the inverter
该系统将负载转矩、转矩纹波以及由电机参数的变化引起的转矩干扰作为系统干扰，用干扰观测器进行观测，以此为基础对转矩脉动进行补偿，实现对转矩脉动的抑制。 |
