The result indicates the nonlinear variable structure control can adjust the transmission power of DC line effectively, and assure the stability of the AC-DC system.
仿真结果表明，非线性变结构控制可以有效地调节直流线路的传输功率，保证交直流系统的稳定性。
Mathematical model of adaptive variable structure of control system for DC servo robot was established with nonlinear sliding mode formed with saturation type scalar functions.
采用饱和型标量函数构成非线性滑模建立直流伺服机器人控制系统的自适应变结构数学模型。
This paper brings forward a nonlinear variable structure controller for the system of AC paralleled with DC.
提出了一种针对交直流并联输电系统的非线性变结构控制方法。
A new type of variable magnet polarity DC generator is presented, and its working principle and design idea is described.
提出了一种新型变磁极性直流发电机，阐述其工作原理和设计思路。
Discussed the switch directions control of the variable pole about DC motor.
阐述了变磁极性直流电机的极性换向控制。
In this paper the design of a discrete time variable structure controller (VSC) for a brushless DC motor drive (BLDCM) position servo system is introduced.
介绍了无刷直流电动机(BLDCM)位置伺服系统离散时间变结构控制器的设计方法。
The PGA consists of the differential amplifier with variable source degeneration resistor and the DC-offset correction circuit.
该可编程增益放大器采用源极反馈电阻可变的差分放大器结构，且带有直流漂移校正电路。
No commutator motor is a new variable-speed motor, its adjustable-speed performance is more advantage than dc system.
无换向器电动机是一种新型的可调速电机，其调速性能优于直流调速系统。
The power can output several kinds of welding current such as variable polarity square wave AC, DC and pulse current etc.
该电源可实现变极性方波交流、直流、脉冲电流等多种输出。
The output power mechanism of a separately excited DC motor can be equivalent to a variable resistance, which is parallel with the armature winding of the motor.
若将他励直流电动机输出功率的机理等效为一个与电动机电枢绕组并联的可变电阻，可以得到他励直流电动机可变电阻型等效电路图。
The insulation methods of several DC systems are compared and analysed. A ping-pang variable bridge measurement is adopted. The ex - act on line detection of grounding resistance is realized.
比较分析了几种直流系统常用的绝缘检测方法，采用乒乓式变电桥测量法，实现了接地电阻的准确在线测量。
The PM brushless DC motor is a multi-variable and non-linear system.
永磁无刷直流电机控制系统是多变量和非线性的。
This paper describes the variable-structure speed control for a DC motor.
本文着重阐述直流马达调速系统的变结构设计。
The frequency performances and dc-offset rejection abilities of several typical variable-window algorithms are evaluated and compared based on the frequency-response analysis method.
采用频率响应特性分析方法，对典型变数据窗阻抗算法的频域特性以及滤除非周期分量的能力进行了综合比较和分析。
DC Variable AC, quasi-sine wave. Automatic protection, safe and reliable. Small size, light weight and high efficiency. Pollution-free, maintenance-free, easy to use.
直流变交流，准正弦波。全自动保护，安全可靠。体积小，重量轻，效率高。无污染，免维护，使用方便。
Variable magnetic pole DC motor can resolve the problem of commutator existing in the traditional DC motor.
变磁极性直流电机解决了传统直流电机的换向器问题。
For solving the problem that DC variable speed system becomes unsteady when armature current is seriously discontinuous, a parameter variable regulator is presented in this paper.
文章就典型的直流双闭环调速系统设计方法进行说明。针对电枢电流不连续时，系统参数发生变化，造成系统性能变差，列出相应的电流环调节器参数的求法。
For solving the problem that DC variable speed system becomes unsteady when armature current is seriously discontinuous, a parameter variable regulator is presented in this paper.
文章就典型的直流双闭环调速系统设计方法进行说明。针对电枢电流不连续时，系统参数发生变化，造成系统性能变差，列出相应的电流环调节器参数的求法。
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