The double close loops of speed and current control is introduced in the system and the PI control is implemented in the current and speed loop, the position of rotor pole is detected by hall element.
系统采用电流、速度双闭环控制，电流、速度的调节采用PI调节，转子磁极位置通过霍尔元件检测。
With speed and current close-loop control based on digital PI algorithm and the high performance of the DSP, high accuracy and high reliability control can be easily realized.
通过速度与电流的双闭环数字PI算法结合DSP的优越性能来达到高精度，高可靠性的控制目的。
This PFC was realized by employing sliding-mode variable-structure inner current loop control and outer voltage loop PI control with digital low-pass filter to achieve high performance.
提出了采用滑模变结构电流内环与由PI调节器和数字低通滤波器组成的电压外环相结合的控制系统，以实现高性能高速度的功率因数校正。
In the double loop of control system, a PI speed controller is adopted in the speed loop, and a vector controller is used in the current loop.
控制系统采用双环控制，速度环采用PI转速控制，电流环采用矢量控制。
A DC voltage outer loop control for power balance and PI correction and an ac current inner loop control for feedback are designed to ensure the current quality and stabilize the DC voltage.
通过直流电压外环的功率平衡控制及比例积分校正，配合内环并网电流反馈控制，使并网逆变器在保持并网电流质量的同时更好地控制直流电压。
The software comes true the double closed loop regulator, therein the velocity loop is the variable-structure control, and the current loop is the classical PI control.
软件实现了调速系统的双闭环调节，其中速度环采用滑模变结构控制，电流环则是经典的PI控制。试验结果说明该调整系统有较好的动态和静态性能。
In the control system, the conventional PI controller was implemented in the current loop, in the speed loop the fuzzy PI hybrid control scheme was applied.
系统中电流环仍采用PI控制器，速度环采用常规pi和模糊控制相结合的方法来实现。
The current closed-loop system is composed of current controllers that control variable parameter PI.
并通过变参数PI数字电流控制器构成电流闭环系统。
Software of the drive and control system realizes the current and speed closed-loop control, which contain PI adjuster.
软件部分是主要是实现对直线电机电流和速度的双闭环控制，电流和速度的调节均采用PI调节。
Three soft start-up technique for voltage loop are compared with each other, which are the reference of DC bus voltage gradually increasing, constant charging current and different PI modulation.
电流环软启动通过输出电流指令递增实现，电压环软启动则比较了直流侧电压指令逐步升高法、恒定电流充电法、变PI参数调节法三种策略。
Compensatory current control adopts triangle wave compare control, and DC voltage control adopts PI closed loop control.
补偿电流跟踪控制选用三角波比较控制法，并采用带电压前馈控制的比例调节闭环控制。
The current loop selects and USES PI regulator.
电流调节器选用PI调节器。
This paper presents a new dual-loop control structure, with a neural network current as the inner-loop and a hybrid fuzzy-PI voltage as the outer-loop.
提出了一种神经网络电流内环控制加混合模糊pi电压外环控制的双环控制结构。
This paper presents a new dual-loop control structure, with a neural network current as the inner-loop and a hybrid fuzzy-PI voltage as the outer-loop.
提出了一种神经网络电流内环控制加混合模糊pi电压外环控制的双环控制结构。
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