阐述了变磁极性直流电机的极性换向控制。
Discussed the switch directions control of the variable pole about DC motor.
本文所研究的重点是无位置传感器直流无刷电机的换向控制，电机驱动的对象为光伏水泵系统。
The emphasis of this paper is the commutation control of sensorless BLDC motor, which is used to drive Photovoltaic Pumps.
以自动控制原理(经典控制理论)和现代控制理论等为理论基础，加热炉控制采用了改进型双交叉限幅、模糊控制、脉冲控制和换向控制等最为常用的控制技术。
Based on classical control theory and modern control theory, many control philosophies such as modified DCL, fuzzy control, digital pulse and cycling regenerative time control have been developed.
蓄热式燃烧技术中，炉压控制和换向时造成的炉压波动是一个非常重要的问题。
For HTAC (Hight Temperature Air combustion) technology, pressure control and pressure fluctuation during combustion switchover are very important to the furnace reliability and stability.
介绍了一种集蓄热式热回收和换向式燃烧系统为一体，并辅以电子自动控制的高效余热回收系统。
This paper introduces a high efficient waste heat recovery system, The system combines regenerative heat recovery and reversing combustion together and has a electronic logical control unit.
无传感器闭环控制模块包括换向调节、电流环调节和速度环调节、正反转速控制等功能。
Sensorless DC motor close-loop control module include reversing control, current loop regulating, the positive and negative rotational speed controls with speed ring etc.
它是由高效蓄热式回收系统，换向式燃烧系统和控制系统组成。
It is made up of heat accumulation recovery system with high efficiency and reversing combustion system as well as control system.
卫星姿控飞轮是由三相轮流换向无刷直流电动机驱动的，采用力矩控制(电流反馈)模式。
Satellite attitude control flywheel is driven by three-phase alternate commutating brushless DC motor, schema of which is torque control model (current feedback).
气动自动化系统是实现传动与控制的主要方式之一，其中由稳压元件、换向阀和气缸等所组成的气动控制回路更是工业自动化中常用的回路。
The pneumatic control circuit, which is consisted of the pressure regulator component, the direction valve and the cylinder, is the most commonly used circuit in the industrial automation.
分析了稀土永磁无刷直流电机原理特性，提出了一种通过直接控制绕组换向时间进而控制电机转速的方法。
A strategy controlling winding commutation directly to control motor is proposed with respect to the principle of machine.
介绍一种采用计算机控制与检测气动换向阀试验台的特点和测试系统设计。
This paper introduces the features of a computer-controlled testing device for pneumatic directional valve and pneumatic system tests and measurements.
本文论述了宽调速比直流电动机无火花换向区曲线分散的基本原因，并给出工程控制措施。
The paper introduces the basic cause of the sparkless space dispersion for DC motor with the wide adjustable speed ratio, and gives the control methods of projects.
根据电动、电液推杆控制原理调试盲板阀换向状态。
Debug the reversing of the valve according to the control principle of electric and electric hydraulic draw stem.
因此，ME系列柴油机的特点是调速、起动、换向、供油、排气阀和起动阀，以及气缸油的注油控制等所有功能集为一体。
Hence, the ME engine features fully integrated control of all functions like the governor, start and reversing, fuel, exhaust and starting valves, as well as cylinder oil feeding.
对于包含基于自换向绝缘双极型晶闸管(IGBT)逆变器的静止补偿器(STATCOM)，提出了一种非线性控制策略。
This paper presents a nonlinear control scheme for static synchronous compensators (STATCOM) consisting essentially of a self com mutated IGBT inverter.
CF高真空挡板阀系列是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
CF pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.
秦工生产的GIQ型气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。
GIQ pneumatic high vacuum butterfly valve uses solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the butterfly valve opened and closed.
GD Q气动高真空挡板阀是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
GDQ pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, controls the actuating cylinder to drive the valve opened closed.
VTLPBUF01型气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。
VTLPBUF01 pneumatic high vacuum butterfly valve USES solenoid directional valve to change the direction of air passage, controls the actuating cylinder to drive the butterfly valve opened closed.
GIQ型气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。
GIQ pneumatic high vacuum butterfly valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the butterfly valve opened and closed.
真空挡板阀是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
GDQ pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.
换向阀作为重要的方向控制阀，用来实现运动部件的方向控制。
As important directional control valve, direction valve is used to control the direction of movement part.
通过对大功率集成门极换向晶闸管(IGCT)高压变流器的结构、控制系统、保护系统的研究，设计出一套7。
Through analyzing the topology, control system and protection system of large power high voltage converter equipped with integrated gate commutated thyristor (IGCT), a set of 7.
机架上装有上下两个限位开关，以控制换向阀改变切胶刀的运动方向，同时，也可保护活塞缸缸盖。
On the frame, with two limit switch to control the reversing valves change rubber cutting knife movement direction, at the same time, also can protect the piston cylinder cylinder.
TY B系列调压注水装置由双缸四腔泵体、电液换向阀、控制液路及控制电路组成。
TYB series waterflood pressure regulating systems consist of two cylinder four chamber pump body, electro hydraulic reversing valve, control fluid circuit and control current circuit.
用调速手柄作调速轴向移动，实现多级调速，用换向手柄控制换向阀，实现换向输出。
Timing hand-grip is moved in axial direction to realize multilevel timing, reversing valve is controlled with reversing hand-grip to realize reversing output.
无换向架链条抽油机的链条承受的总拉力为悬点载荷与平衡重的差值加连杆对链条的水平分力在链条上形成的附加拉力之和，受力状况优于普通链条抽油机，且能得到控制。
The force conditions of the chain on a chain drive pumping unit without reverse rack are much more favorable than that on conventional chain drive pumping units, and can be well controlled.
提出了减小电机换向冲击电流的延时通电控制方式，讨论了实现该控制方式的可行性和最佳参数优化。
A controlling method of "late switch on" is put forward, which can reduce the impulse current of linear motor in the turnback period. The reliablity of the controlling method is discussed.
提出了减小电机换向冲击电流的延时通电控制方式，讨论了实现该控制方式的可行性和最佳参数优化。
A controlling method of "late switch on" is put forward, which can reduce the impulse current of linear motor in the turnback period. The reliablity of the controlling method is discussed.
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