The adopted control mode of previous common frequency converter is usually of open loop constant voltage ratio, which its control curve is not stable.
早期通用变频器大多为开环恒压比的控制方式，控制曲线不稳定。
An internal model control strategy is proposed to a class of open loop stable nonlinear systems described by fuzzy neural networks.
针对一类开环稳定的非线性系统，提出了一种基于模糊神经网络的非线性内模控制方案。
On control, speed closed loop controlling based PID is utilized and the stable run of motor is realized.
在控制方法上采用基于PID方法的速度闭环控制，实现了电机的稳定运转；
On the basis of control scheme of autopilot, control law of stable loop and guidance law of automatic guidance system are given. Moreover, pro-proportional guidance law is realized by computer.
在参考自动驾驶仪控制方案的基础上，给出了稳定回路的控制规律和自动导引系统的导引规律，并说明了用计算机实现前置比例导引规律的方法。
By this linearization model, the speed tracking control law is designed to increase the celerity of speed tracking while keeping the whole closed loop system stable.
通过此方法设计的速度跟踪控制，在保证整个闭环系统稳定的情况下，提高速度跟踪的快速性。
By using control strategy of parameter parameters self-turning fuzzy PID, lead secondary loop the automatic doing control offers excellent dynamic response and stable characteristic.
应用参数自整定模糊pid的控制策略，使自动加药控制具有很好的动态响应和稳态特性。
By the limit probability theory, it is shown that the closed-loop system is almost surely uniformly stable, and the control law is asymptotically optimal.
利用概率极限理论，证明了闭环系统的几乎必然一致稳定性和控制律的渐近最优性。
Combining the observer and the control law leads to control without velocity measurements. The close loop system is proved to be asymptotically stable.
观测器与控制律的结合实现了无速度测量的控制，闭环系统被证明是渐近稳定的。
Make the system start closed-loop running and use the process PID, control self-adjusting to achieve purpose of stable speed.
将系统进入闭环运行，利用过程PID控制自动调节达到稳定转速的目的。
When the control laws applied to the systems, the origin is the asymptotically stable equilibrium point of the closed-loop systems.
当该控制律作用于系统时，原点是闭环系统的渐近稳定平衡点。
The control law makes the system closed-loop stable, and the gain of the system for the disturbance input will be limited under a scheduled upper - bound.
该控制律使系统闭环稳定，且系统对扰动输入的增益不超过某一人为设定的上界。
By introducing integral variable structure and high gain observer, the closed-loop control systems is shown to be globally stable in terms of Lyapunov theory, with tracking error converging to zero.
通过引入积分型变结构切换函数及高增益误差观测器，基于李雅普·诺夫稳定性理论，证明了闭环系统是全局稳定的，输出跟踪误差都收敛到零。
Moreover, an adaptive decentralized control scheme is given such that it can ensure the closed-loop systems to be exponentially practically stable.
进而从工程实际应用的角度，给出了确保受控系统实用稳定的自适应鲁棒分散控制器的设计方案。
The preset errors at stable condition and anti-disturbance performance of the close-loop control system are analyzed and researched through the introduction of its application on certain device.
结合闭环控制系统在某设备上的应用，研究分析该控制系统的给定稳态误差及其抗干扰能力。
With the strategy of the UC3525 core as well as an inner current-loop and an outer voltage-loop control, the output stable voltage and limited current are realized very well.
控制电路以UC3525为核心，构成电流内环、电压外环的双环控制模式，实现系统稳压和限流。
It highlights the significance of realizing a stable closed loop control for the basic control section.
说明了基础控制部分实现闭环稳定控制的重要意义。
It highlights the significance of realizing a stable closed loop control for the basic control section.
说明了基础控制部分实现闭环稳定控制的重要意义。
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