| 1. | Railway fixed equipment . outer switch disconnectors for 750 , 1500 and 3000 v direct current tractions systems . characteristics and tests
铁路固定设备.开关. 750v 1500v和3000v直流驱动系统用外分段开关 |
| 2. | We had modified the driver of led and realized driving the passive matrix oled of 3232 panel by direct current driving
在已有的led驱动电路的改进下成功的实现了对3232无源oled矩阵直流驱动下的动态显示。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | Today , automatic control systems have been widely used and developed in every aspect of life , while as the artery in the area of electric drive systems , dc drivers become more and more important in modernization production
当今，自动化控制系统已经在各行各业得到了广泛的应用和发展，而直流驱动控制作为电气传动的主流在现代化生产中起着主要作用。 |
| 6. | Phase - locked steady speed control algorithm was realized with brushless dc motor discrete control system based on dsp controller , which was applied to high - speed brushless dc motor for magnetically suspended control moment gyroscope
在以dsp为核心的电机数字控制系统上实现了锁相稳速控制算法，并将该方法用于磁悬控制力矩陀螺高速无刷直流驱动电动机的稳速控制。 |
| 7. | 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。 |
| 8. | The relevant test and research show that the ac - driving circuit functions excellently , realizing ac driving and restraining the cross talk , and the lifetime of oled can be improved greatly . we also find the luminance efficiency of oled under ac - voltage driving is lower than dc - voltage driving
Oled直流驱动和交流驱动的对比实验结果发现:交流驱动可以大幅度地提高oled的发光寿命,但是交流驱动的发光效率比直流驱动有所降低。 |
| 9. | This dissertation focuses on the driving circuit of oled ( organic light emitting device ) . first we introduce the emitting theory and the structure of oled , and then we introduce the photo electricity characteristic of oled , analyze the driving requirement
论文首先介绍了有机电致发光显示器的发光机理和器件结构,接着从它的光电特性出发,分析了其驱动要求,阐述了电流驱动和电压驱动、交流驱动和直流驱动、无源驱动和有源驱动各自的特点。 |
| 10. | The design of 270 voltages high - pressure dc drive is settled utilizing bridge inversion circuit in this thesis . the miniaturized and low consumed design of hardware circuit and the design of dual - redundancy structure of system are also realized adopting tms320lf2407a dsp chip as main control cell
论文应用全桥式逆变电路解决了系统270v高压直流驱动设计，采用tms320lf2407adsp芯片为主控单元，实现了系统硬件电路小型化、低功耗设计及系统双余度结构设计。 |
