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- Double closed loop DC PWM speed regulation system 双闭环直流脉宽调速系统
- Application of Phase-shift Trigger Circuit in Closed Loop Speed Regulating System of Torque Motor 移相触发电路在力矩电机闭环调速系统中的应用
- The implementation includes both direction and open loop speed control. 执行既包括方向和开环速度控制。
- DC-- double-- closed-- loop speed control system 直流双闭环调速系统
- This paper introduces control of motors from controlled by frequency-transformer, which changes from two kinds of speed (faster and slower) to stepless speed regulation. 摘要采用变频器进行电动机控制，将原来只有快、慢两个速度的电动机变成了无级调速；
- Single loop video input signal is divided into two loop or multi loop video output sig nal by video assigner. 视频分配器可把一路视频输入信号分配成多路视频输出信号，或把一路视频输入信号分配成两路视频输出信号。
- In this thesis, direct digital control (DDC) system of the DC motor speed regulation is designed, with the use of MOSFET, a kind of silicon power field controlled devices. Obvious effect has been achieved when applied in testing site. 本课题应用先进的功率场控器件MOSFET为控制器件，根据加工工艺的要求，设计出直接数字控制型直流调速计算机控制系统，并应用于现场，取得明显的效果。
- In 1939, a bronze ding, which is an ancient cooking vessel with two loop handles and three or four legs, was unearthed in anyang, Henan Province. 1939年，在河南省安阳县发现了一件特大的青铜鼎，
- A series of advanced technologies are applied,e.g.,DC electric rig,stepless speed regulation pump and top drive system,steerable drilling system,powerful downhole motor,and advanced drill bit. 该井采用了直流电动钻机、无级调速泵及顶部驱动装置、导向钻井系统、大功率优质马达、优质钻头等一系列先进工艺，经科学论证与施工，取得了满意的效果。
- Self-biased PLL was first presented by Meantis on 1996.Its target is to make the two loop parameters independent of the working conditions. 自偏置锁相环便是Meantis最早在1996年提出的，它的设计思想就是要使锁相环的设计参数与工艺和工作环境无关，从而使环路一直工作在最佳状态。
- This paper introduces control of motors by using frequency-transformer, which changes two kinds of speed (faster and slower) into gearless speed regulation. 摘要采用变频器进行电动机控制，将原来只有快、慢两个速度的电动机变成了无级调速；
- Aim to repair the DC motor control system for some submarine,this paper introduces a feebleness magnetism speed regulation system based on TMS320LF2407DSP,which controls the DC motor effectively. 文章介绍了基于TMS320LF2407的船用直流电机转速稳定系统,实现了对直流电机运行的有效控制。
- Each channel single loop video input is divided into two loop video output by video assigner, the two loop video output same with video input, so that other video equipment use. 四通道视频分配器能对每通道的一路视频输入分配为二路与输入完全相同的视频输出，供其它视频处理器使用。
- The next mode shows two loops with one node in the middle. 第二种模式给出了两个波腹，在其中点有一个波节。
- Attach paper folding speed regulator. 附有摺纸速度调整器。
- This paper designs a new speed regulator for a DC PWM speed regulating system based on sliding mode variable structure theory. 本文从滑模变结构理论出发，针对直流PWM调速系统设计了一种新型速度调节器。
- Two Supplements in Teaching Speed Regulation of DC Motor with Field Weakening 直流电机弱磁调速教学中的两点补充
- The withdrawal straightener speed control system for continuous caster of Panzhihua Iron &Steel Group Co includes pulser, IP242B counter module, PLC and DC speed regulator. 介绍攀枝花钢铁集团公司连铸机采用脉冲发生器、IP242B计数器模件、PLC和直流调速装置构成的拉矫机速度控制系统,重点介绍了系统的硬件配置和软件设计。
- The main transmission control adopts DC control, adopting England SSD digital no reversible DC speed regulate device, the SIEMENS PLC to control the whole line. 2主传动控制采用直流电机，由全新的英国SSD全数字不可逆直流调速装置,整机控制由西门子可编程控制器管理。
- In the thesis, the development history of The V-M DC electromotor Rotated Speed Regulating System and significance of this design task are introduced firstly. 论文中首先对V-M直流调速控制系统的发展和本课题的研究意义做了介绍;
