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。
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 platform verified that the proposed variable load DC Motor Speed Control System with nonlinear state space model and parameter identification method is effectiveness.
利用该平台验证了提出的变负载直流电机双闭环调速系统的非线性状态空间模型及其参数辨识方法的有效性。
Brushless DC motor as a new variable speed motor, has a simple structure, manufacture, do not need regular maintenance, a variable speed motor would.
无刷直流电动机作为一种新型的无级变速电机，具有结构简单，制造方便，不需要经常性维护等优点，是一种现想的变速电机。
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。
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。
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