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- flux and torque ripples 磁链转矩脉动
- Compared with Vector Control, the main advantage of DTC is that it directly controls flux and torque. 与矢量控制相比，直接转矩控制的主要优点是直接对电机的磁链和转矩进行控制。
- 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。
- A. B. Plunkett, “Direct flux and torque regulation in a PWM induction motor drive,” IEEE Trans. on Ind. Appl., Vol. 13, pp. 139-145, 1977. 刘俊男,“向量控制感应驱动器之参数自动量测,”硕士论文,国立台湾工业技术学院电机工程技术研究所,民国八十六年五月。
- G. Buja, “A new control strategy of the induction motor drives: the direct flux and torque control,” IEEE Electronics Letter, 1998. 史宗岳,“直接转矩控制变频器之研制,”硕士论文,国立台北科技大学机电整合研究所,民国八十七年六月。
- Experiments show that the DC voltage is well balanced and the flux and torque components are finely decoupled, which verifies the feasibility of these methods. 同时，采用转子磁场定向控制方法，实现了异步电机磁通和转矩分量的良好解耦，并有较好的动态响应性能。
- Analyzed the theory on the vector control of induction machine, realizing the decoupling control of magnetic flux and torque though vector coordinate conversion and rotor flux orientation. 摘要本文分析了感应电动机矢量控制原理，通过矢量坐标变换和转子磁场定向实现磁通与转矩的解耦控制。
- To enhance the microstepping performance, the A3980 also includes mixed-mode current decay which further reduces audible noise and minimizes motor heating and torque ripple. 为了增强微步性能,A3980还包括混合模式电流衰减,可进一步降低可闻噪音,并最大限度地减少电动机加热和转矩脉动。
- The following is the analysis for SRM torque characteristics.It gives own opinion for the root of torque ripple production and torque ripple classification. 分析了开关磁阻电机的转矩特性,就产生开关磁阻电机转矩脉动的根源和分类提出了自己的观点。
- The expressions of commutating time and torque ripple function of time are provided, based on which a new compensation method for torque ripple is proposed. 给出了换流时间和转矩脉动的时间函数，并在此基础上，提出了一种新的转矩脉动的补偿方法。
- A design example for using in semiconductor conveying equipments is illustrated, which performs better than the existing design on the cogging torque, torque ripple, and torque density. 本文之成果有助于马达与齿轮减速机整合设计的创新研发，并提供工程设计人员一解析与设计该机电整合装置的有效工具。
- The problems of vibration noise and torque ripple limit the application of switched reluctance motors (SRM).Previously various efforts for solving problems in these two aspects are isolative. 开关磁阻电机的振动噪声和转矩脉动问题制约了其推广应用，先前这2个方面的研究都彼此孤立。
- The world is in continuous flux and is impermanent. 世界变迁不已，并非是常久不变的。
- Replace body bolts and torque evenly to70 ft./ lbs. 重新放置阀体螺栓，并且用70英尺/的扭矩均匀的旋紧。
- Replace body bolts and torque evenly to 70 ft./lbs. 重新放置阀体螺栓，并且用70英尺/磅的扭矩均匀的旋紧。
- Then go over them all again and torque them down. 然后从头检查一遍是不是全部锁紧。
- Research on a Direct Torque Control for Electrically Excited Synchronous Motor Drive with Low Ripple in Flux and Torque 低转矩磁链脉动型电励磁同步电机直接转矩驱动系统的研究
- But WVF can only control the air-gap flux and can not adjust the torque. 调压调频控制只控制了电机的气隙磁通，而不能调节转矩。
- The simulation and experiment results showed that this method gives satisfied estimation of stator flux and improve direct torque control syst. 仿真和实验结果表明,该方法能够提高磁链的观测精度,增强系统的鲁棒性,并能使直接转矩控制系统的低速性能得到较大的提高。
- 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。
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