| 1. | Eliminating fault in the fully digital controlled dc drive hoist system based on simadyn - d 直流提升机典型故障分析及处理 |
| 2. | 1973 head of controlled three - phase and dc drives simatic department , bremen regional office 1973年任不来梅地区分部三相交流电及直流电驱动simatic部主管 |
| 3. | Dual neural network based model reference adaptive dc drive control with ability of online parameters ' tracking 参数在线跟踪的直流传动双神经网络模型参考自适应控制 |
| 4. | Although many cnc systems still use hydraulic or pulse motors , the dc drives have gained dominance on a much larger scale 虽然许多电脑数字控制系统动仍然使用水压或脉冲马达,但是直流电器已在许多大型设备上占有优势。 |
| 5. | So the students understand not only the dc drive specialty and control way , but also the ac frequency conversion timing specialty and control way 这样既能让学生认识直流驱动器的驱动特性及控制方法,也能让学生认识交流变频驱动器特性和控制方法。 |
| 6. | We have designed the dc drive system of double closed loops according to the methods of the project design , which based on the dc drive regulation principle 本文是基于双闭环直流驱动原理及双闭环直流驱动系统工程设计方法,设计出应用于直流电动机的双闭环直流驱动系统。 |
| 7. | The dc drives provide the answer to the most essential needs of acceleration , deceleration , stopping , and constant velocity , with inherent shaft stiffness for successful operation of the cnc system 直流电驱动应用自身固有的轴硬度成功地满足了操作cnc时,对最关键的加速度、减速、停止及常速度的需要。 |
| 8. | By providing wide range of products of ac & dc drives and motors and localized business operation including sales , services , logistics , siemens large drives bring benefit to customer 在过去的几年里,西门子中国大型传动业务凭借西门子强有力的组织机构取得了稳定的增长,当然在产品供货范围、物流及服务等方面我们无疑都需要不断改进。 |
| 9. | Medium plate plant of chongqing iron & steel has reconstructed technically the original two stand rolling mills ( roughing mill and finishing mill ) and changed dc drive system into ac frequency converter drive system 重庆钢铁集团公司中板厂对两台主轧机(粗轧机和精轧机)驱动系统进行了技术改造,将原来的直流驱动系统全部改造成变频调速驱动系统。 |
| 10. | After referring to the relative data , combining pertinent information of control theory with the new arithmetic of the dc drive regulation , this paper advances the self - adaptive control arithmetic that based on fuzzy control in the pid arithmetic of the speed loop 在参考了国内外资料基础上,本文结合控制理论的相关知识以及直流驱动系统的新型算法,在pid速度环算法上提出了模糊自适应pid控制算法。 |