| 1. | Repression of pressure pulse in water piping system 水管路系统压力脉动抑制装置的计算研究 |
| 2. | Torque ripple reduction in brushless dc motor drives using a buck converter 变换器的无刷直流电机转矩脉动抑制方法 |
| 3. | Control strategies to reduce the commutation torque ripples in brushless dc motors 无刷直流电机转矩脉动抑制策略研究 |
| 4. | Effectiveness of the proposed control method is verified through simulation 仿真试验证明所提出换相转矩脉动抑制技术的有效性。 |
| 5. | In chapter 3 the torque ripple minimization algorithm based on torque observation and instant torque control is studied as well as the fuzzy pid controller does 在分析两种转矩脉动抑制方法局限性基础上,研究了基于转矩观测的瞬时转矩脉动抑制算法以及转速环的模糊pid控制器设计。 |
| 6. | A method for reducing commutation torque ripple generated in bldcm using a single dc current sensor , which combines deadbeat current control scheme with commutation compensation techniques , is presented in this paper 提出了一种采用直流侧电流反馈控制的bldcm换相转矩脉动抑制方法,这种方法将无差拍电流控制器和换相补偿相结合。 |
| 7. | Secondly , the applicable speed ranges of the motors using the overlapping commutation techniques are derived . finally , the matlab simulation results verified that the proposed control technique is able to minimize the commutation torque ripple 根据速度的大小的不同,提出了高速区和中低速区的转矩脉动抑制措施,仿真结果表明这种控制策略能够较好的抑制换相转矩脉动。 |
| 8. | Then the paper describes the developing process of elevator door drive system in which square wave bldcm is adopted . when presenting hardware and software of this system , in particular the paper narrates speed regulation means and torque ripple suppression strategy 本文然后详细介绍了采用方波无刷直流电机的电梯门机控制系统的研制过程,并在介绍系统的硬件和软件设计方案时,同时研究了所使用的电机的调速方法和转矩脉动抑制策略。 |
| 9. | This dissertation presents several novel control techniques for the torque ripple minimization of pm bldcm . according to the different back - emf waveforms of bldcm , this dissertation gives a detailed analysis to the torque ripple due to trapezoidal emf , pseudo - sinusoidal emf , and general shape emf respectively , and from each one proposes a kind of control technique for torque ripple minimization 根据永磁无刷直流电动机反电势波形的不同,对方波型无刷直流电动机的换相转矩脉动,准正弦波( pseudo - sinusoidalemf )反电动势无刷直流电动机以及任意波形反电动势无刷直流电动机的电磁转矩脉动,进行了详细的分析,分别提出三种不同的控制策略,进行转矩脉动抑制控制。 |