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- Research on Torque Ripple Control of Brushless DC Motor for Mini-Battery Electric Vehicle 微型电动车用永磁无刷电机转矩脉动控制研究
- torque ripple control 转矩脉动控制
- Back electromotive force current of BLDCM influences the torque ripple, efficiency and commutation control directly. 摘要无刷直流电动机反电势电流对电机转矩脉动、效率和换相控制有着直接影响。
- For the large torque ripple of inductance motor based on direct torque control, especially at a low speed, this paper proposes a new control strategy. 摘要针对基于直接转矩控制中的感应电动机在低速运转时存在较大的转矩脉动问题,提出了一种新的控制方法。
- Torque ripple of permanent-magnet AC servo motor directly influences system control accuracy, is one of the most attention performance index . 永磁交流伺服电动机的转矩波动直接影响系统的控制精度,是最为关注的伺服性能指标之一。
- The control signals of invertor are produced by space vector modulation to achieve a small torque ripple and constant switch frequency. 以空间矢量调制方法来获得逆变器的开关信号,实现了小的转矩脉动和恒定的开关频率。
- Aiming to minimize the torque ripple in condition of non-perfect BEMF waveform, the dissertation present a optimum current tracking control technique. 实际中一般是这两种情况都存在。 针对这种反电动势波形偏离理想波形的情况,本文提出了一种最优电流跟踪法来抑制转矩脉动。
- The tranditional DTC adopts hexagon flux chain control and there exists a big torque ripple problem when in starting and running at the super-low speed. 传统直接转矩控制方法采用六边形磁链控制,在启动和超低速运行时存在转矩脉动大的问题。
- Four PWM modes used in the brushless DC motor control system are introduced and their different influences on the commutation torque ripple of BLDC motors are analyzed in detail. 介绍了无刷直流电机控制系统中的四种PWM调制方式,详细分析了四种不同的调制方式对无刷直流电机换相转矩脉动的影响。
- Study on the the control effect of zero voltage vector in DTC and a modified strategy of DTC of PMSM. The simulation experiment results show that they could restrain torque ripple availably. 研究了零电压矢量在直接转矩控制中的作用和一种改进的永磁同步电机直接转矩控制策略,仿真结果表明将零电压矢量引入控制和改进的策略都能明显抑制系统转矩脉动。
- R.Carlson etc. Analysis of Torque Ripple due to Phase Commutation in Brushless dc Machines. 张琛.;直流无刷电动机原理及应用
- Direct Torque Control(DTC) of induction machines(IM),based on hysteresis comparators and selection table,suffers from variable switching frequency and large torque ripple,especially at low speed. 基于磁滞比较器和选择表的感应电机直接转矩控制(DTC),其开关频率可变,且转矩脉动大,特别在低速时。
- On the basis of improving conventional switch table of direct torque control system, a two-hysterics control switch table is established in the strategy in order to decrease torque ripple. 该方法在对传统直接转矩控制的开关控制表进行改进的基础上,建立了新型双层滞环控制的开关控制表,使感应电动机的转矩脉动达到最小。
- Due to the large torque ripple of direct torque control in low speed range, a torque angle adjustor based on fuzzy neural network and PI control was adopted to improve the control effect. 针对直接转矩控制低速时转矩脉动大的问题,采用基于模糊网络与PI控制结合的转矩角调节器来改进控制效果。
- The simulation results verify the feasibility of this method, reduction of the flux and the torque ripple, and the good performance of DTC. 仿真结果表明该方法有效抑制磁链和转矩脉动,具有传统直接转矩控制固有的优良性能,而且具有恒定的开关频率。
- Husain and M.Ehsani, “Torque ripple minimization in switched reluctance motor drives by PWM current control,” IEEE Transactions on Power Electronics, Vol. 11, PP. 85-88, Jan. 1996. 王顺泰,“数位控制之开关式磁阻马达驱动系统研制”,硕士论文,国立台湾科技大学,2002。
- The experimental figure approve the conclusion is right Can as reference for minish Commutation torque ripple. 通过实验波形证实本结论分析正确,可以为电机减小转矩脉动作为参考。
- Torque ripple reduction was researched based on torque observe using nonlinear dynamic model of SRD. 基于SRD的非线性动态仿真模型,研究了基于转矩观测法的转矩脉动抑制。
- An analytical study is developed concerning the torque ripple due to phase commutation on brushless DC motors. 针对无位置传感器无刷直流电机的换相转矩脉动问题,做了深入分析。
- It is worthy to note that lower torque ripple of IM is concerned with a smaller, rectangular looking flux fish. 当磁通鱼形框面积愈小时,感应马达之转矩涟波就愈小。